Scuba Forum / Scuba Locations / June 2004
Cayman Aggressor Experiences?
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scubaran - 22 Jun 2004 15:59 GMT Hi,
My scuba club and I will be going on the Cayman Aggressor in October. I've been to Grand Cayman a few times and used local land based dive ops but this will be my first liveaboard. Given what they tell you in the brochures and articles, anybody got any "gotchas" or "things they don't tell you" that we should keep in mind on going on the Aggressor (like hidden costs, necessities to bring along, "didn't find out until I was aboard" items, etc.)? Also is there any gear I'm better off leaving and using theirs while on the ship? I've got everything to bring along (expect to get tanks and weights from them). Anyway, any helpful suggestions and comments will be appreciated.
thanks, Randy
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Tim - 22 Jun 2004 18:48 GMT You're SMACK in the middle of hurricane season out there.
One of the BIG draws to the CA is that is goes to Little Cayman and Cayman Brac too, I think. If it's REAL rough, they won't go. This cuts off one of the KEY draws of the CA. If you stay on GC, why do the liveaboard?
Bon Chance! Tim
p.s. I go to Little Cayman EVERY year from Thanksgiving through the first week in December. Hurricane season is just ending, and we still get blown off the North side (best diving) from time to time.
> Hi, > [quoted text clipped - 17 lines] > ><(((?>`?.??.???`?.?.???`?...?><(((?>?. > ???`?.?. , . .???`?.. ><(((?>`?.??.???`?.?.???`?...?><(((?> Reef Fish - 22 Jun 2004 19:09 GMT > Hi, > [quoted text clipped - 7 lines] > bring along, "didn't find out > until I was aboard" items, etc.)? The only "getcha" is that during the months from about September through Janurary, the sea between Grand Cayman and Little Cayman is generally too rough for the 7-8 houf crossing, and you'll be confined to diving in Grand Cayman instead of Grand Cayman (2 days), Little Cayman (3 days) and Cayman Brac (half a day), more or less.
My FIRST Cayman Aggressor trip was confined to Grand Cayman, in 1990, in December. My OTHER 13 CA trips were all during months in which we dived all three islands. :-)
Other than that, there's no getcha of the kind you worry about, or any hidden costs.
Diving 5 1/2 days in Grand Cayman is not necessarily bad -- just don't get nearly as good sites as those in Little Cayman.
IMO, the Cayman Aggressor is the best of all the liveaboards in the Caribbean, divingwise. It should be a very enjoyable week for most divers.
-- Bob.
scubaran - 23 Jun 2004 16:26 GMT > > Hi, > > [quoted text clipped - 29 lines] > > -- Bob. Hi,
Thanks. I didn't get a choice on the timing as I'm going with the local dive club. We have 10 spaces out of 20, and knowing that this might not be the best time of year, there's a lot of appeal to diving for an extended period of time with folks you know. I guess I have a couple of questions I don't know if I've gotten good answers to:
Are weights included with the cost?
People have told me with that much diving and my age, 46, that I should get Nitrox trained even though I'm probably going to stay pretty shallow since I like to do underwater photography (they said it would ease the pains of old age and being under a lot (thanks a lot for calling me old :O) )). One guy said that almost everyone on his liveaboard ended up diving Nitrox by the end of the week. So is this true? Most dive Nitrox and do the air tables?
Also I shoot digital. Is there any kind of hookups in the ship to see them (ex. do they have a computer where I can "blow up" my images to see how they'll look when I get home)?
What about spares? Outside of spare mask and fin straps, anybody have a list of other spares I should bring along?
What does the CA have as far as providing backup? Do they keep BC's, and other equipment around in case of failed equipment and is there a fee?
Also I was in GC in Feb. and dove with my 3mm full suit with no hood. Will I need thicker clothing as the week goes on (I'm in Vermont and rarely get cold on a single dive under 65 with a shorty)?
Anyway, any help is greatly appreciated!!! :O)
Randy
Greg Mossman - 23 Jun 2004 16:59 GMT > Are weights included with the cost? Yes. Weights and wine are both included.
> People have told me with that much diving and my age, 46, that I should get > Nitrox trained even though I'm probably going to stay pretty shallow since I [quoted text clipped - 5 lines] > almost everyone on his liveaboard ended up diving Nitrox by the end of the > week. So is this true? Most dive Nitrox and do the air tables? Most dive nitrox using nitrox computers. Tables are for setting up your camera. If you feel like you need to stay shallow for underwater photography, I advise getting a strobe. The boat can handle nitrox training, but do it before you go if you don't like the idea of sitting in "class" during your vacation. Aggressors usually charge a flat $100 for "all-you-can-breathe" nitrox, an OK deal after 12 dives or so and a great deal after you've done 20+.
> Also I shoot digital. Is there any kind of hookups in the ship to see them > (ex. > do they have a computer where I can "blow up" my images to see how they'll > look when I get home)? Obviously you haven't read the Aggressor's faq for your particular itinerary and boat. Read it, then ask. At the least they'll have a TV, and most boats have a PC around as well. But since you may have to bring your own cables and software in order to view anything, a lot of us bring our own laptops.
> What about spares? Outside of spare mask and fin straps, anybody have a > list of other spares I should bring along? I often bring a spare computer even though bullshark insists it's not necessary. If you're really diving on tables you don't need to bring a spare set of them since the boat will have something comparable. A spare reg never hurts if you can take the extra weight, but the boat will have rental gear in case you really need it.
> What does the CA have as far as providing backup? Do they keep BC's, and > other equipment around in case of failed equipment and is there a fee? Yes. Maybe.
> Also I was in GC in Feb. and dove with my 3mm full suit with no hood. Will > I need thicker clothing as the week goes on (I'm in Vermont and rarely get > cold > on a single dive under 65 with a shorty)? That's an individual question. Some get colder as the week goes on, claiming they're core temperature is lowered due to repeated exposure to cold(er) water. I think they're nut since the air is plenty warm and they have hot showers and possibly a hot tub aboard. On your particular trip I would take only my polartec, but that's just me. MHK would dive it in a T-shirt and shorts and some people will claim to get cold in 7mm farmer johns. As you're pretty darn old and probably have no hair left, a hood is at least something you can take along "just in case".
> Anyway, any help is greatly appreciated!!! :O) My best advice is to read the damn faq, which they entitle "Know Before You Go". That's why they write them.
Joe English - 24 Jun 2004 01:23 GMT >>"scubaran" <bogus@bogus.com> wrote in message > [quoted text clipped - 86 lines] > > Randy enriched air (nitrox) is not for deep diving - it is for increasing your bottom time.
weights woould be included
DrYak - 25 Jun 2004 02:48 GMT Nitrox is for relatively shallow dives. Depending on the percentage oxygen, you could go to 100 feet, but 50-80 is more appropriate. In places like Cozumel where there's the potential for some 100+ first dives, most people do air on the first dive because you can get into very distressing situations in a down current and nitrox on the second (if they are nitrox certified).
If you have a local dive shop, go and buy the PADI (or whatever) nitrox/enriched air book to get an idea of what this is all about. There are some additional issues with nitrox that simplify to maximum depth of less than 130.
I'm 55 and find nitrox a bit less tiring. Some say its all psychological, others say it is easier to off gas.
Greg Mossman - 25 Jun 2004 03:55 GMT > Nitrox is for relatively shallow dives. Depending on the percentage > oxygen, you could go to 100 feet, but 50-80 is more appropriate. In > places like Cozumel where there's the potential for some 100+ first > dives, most people do air on the first dive because you can get into > very distressing situations in a down current and nitrox on the second > (if they are nitrox certified). ?
> If you have a local dive shop, go and buy the PADI (or whatever) > nitrox/enriched air book to get an idea of what this is all about. > There are some additional issues with nitrox that simplify to maximum > depth of less than 130. ?
When I dive to 140' (the bottom of the wall at Captain Don's Habitat, for instance, or Farnsworth Banks), I routinely dive a 28% mix which keeps me at about 1.45 and gives me a lot more bottom time than air would. Not only that, but (allegedly) narcosis is reduced. You're not one of those deep air types, are you?
chilly - 25 Jun 2004 07:38 GMT > When I dive to 140' (the bottom of the wall at Captain Don's Habitat, for > instance, or Farnsworth Banks), I routinely dive a 28% mix which keeps me at > about 1.45 and gives me a lot more bottom time than air would. Not only > that, but (allegedly) narcosis is reduced. You're not one of those deep air > types, are you? Perhaps Dr. Yak is worried about not having a hard bottom and the potential for diver error with more standard mixes of 36 and 32%?
Greg Mossman - 25 Jun 2004 15:55 GMT > Perhaps Dr. Yak is worried about not having a hard bottom and the potential > for diver error with more standard mixes of 36 and 32%? Why would he worry about that? Anyone with a modicum of buoyancy control isn't worried about the hard bottom. The possbility of downcurrents in Cozumel is an issue, but not really. It takes more than a couple seconds at an excessive ppO2 to start convulsing - the blood needs time to circulate from the lungs, after all. Still, Dr. Yak could limit his nitrox use to "relatively shallow dives" in areas known for downcurrents. It certainly doesn't preclude the use of nitrox on deeper hard bottoms or in areas where downcurrents are rarely reported.
"Standard" mixes of 32 and 36 mean nothing to someone filling nitrox with anything other than banked nitrox. My standard mixes are usually something around 28-30% if I want to go "relatively deep" or something around 40-45% if I'm hanging with Dr. Yak in the shallows.
To keep on topic, the Aggressors probably try for 32% which means they're pumping anywhere from 30-33%, safe and very beneficial to 100' - that's still a far cry from Dr. Yak's "50-80 is more appropriate".
Reef Fish - 25 Jun 2004 21:28 GMT > "Standard" mixes of 32 and 36 mean nothing to someone filling nitrox with > anything other than banked nitrox. My standard mixes are usually something > around 28-30% if I want to go "relatively deep" or something around 40-45% > if I'm hanging with Dr. Yak in the shallows. And none of that means anything unless you take into consideration the time of EXPOSURE, the PPO2 level, the MOD, and other things you are supposed to have learned in your EAN course, and much the PADI course doesn't even teach! SSI (Bret Gilliam's book) offers a much better basis (I studeied it because I was on the witness stand AGAINST Bret in the Uwatec Nitrox computer case <G>). I had already been PADI Nitrox certified.
Neither courses are worth a damn if you really want to understand EAN and how to dive with Nitrox properly.
Try read up on NOAA stuff about EXPOSURE times. The Nitrox equivalent of AIR exposure times that are safe in PRACTICE. The 130 fsw max for air is for the uneducated pedants. For SHORT exposure times, it's perfectly safe to dive to 200 feet on air (unless you are one of those who get narcosis easily at that and much shallower depths).
> To keep on topic, the Aggressors probably try for 32% which means they're > pumping anywhere from 30-33%, safe and very beneficial to 100' Also "safe and benefcial" to 130' and more if you use 1.6 as your PPO2 level of reference, and quite safe for short times of exposure below that.
- that's still a far cry from Dr. Yak's "50-80 is more appropriate".
I have an andedotal story to tell about my Cayman Aggressor trip in 1999. I was diving with my ORCA computer on air, and the Uwatec Nitrox PRO on EAN, and was laughing at my friend "Crusty" for diving with a Cochran computer (actual that one was ok -- because Cochran had already introduced tweaks to UNTWEAK the errors he had programmed in his privious models).
At any rate, Crusty was quick to point out that My Uwatec Nitrox computer DROPPED DEAD (locked out) on the last day (about Dive 23 of that trip), while his Cochran computer was still alive. :-)
It was then that I had to explain to him the reason the Uwatec Nitrox PRO locked out was that 10 dives BEFORE I had taken it to a 196 fsw dive (on AIR) while forgetting to reset the EAN 32 to EAN 21.
Not that I would want to dive to 196 fsw on EAN32, but the little error in forgetting to reset the EAN to 21 when I made that deep AIR <not EAN32) bounce (at the Great Wall in Little Cayman) was that it showed that as CONSERVATIVE the Uwatec Nitrox PRO was, it "survived" that dive, and the next 9 dives, until it finally caught up 10 dives later and decided it had better play dead. :-)
But the bottom line is that apparently Buehmann's model thought it was "safe" for someone to have done that dive on EAN32 to a max depth of 196 fsw! Buehmann was right (if you take into consideration the TIME OF EXPOSURE) of that dive at various depths.
-- Bob.
My anecdotal story on this is the time I dived to 196 fsw on one of my Cayman Aggressor dives in 1998, on AIR. A short bounce as I had done more times than I could count in Cozumel.
DrYak - 25 Jun 2004 23:54 GMT >>Nitrox is for relatively shallow dives. Depending on the percentage >>oxygen, you could go to 100 feet, but 50-80 is more appropriate. In [quoted text clipped - 17 lines] > that, but (allegedly) narcosis is reduced. You're not one of those deep air > types, are you? I agree that diving with 28% would be helpful, but lots/most places seem to offer only 32 or 36%. The potential for a down current on some of the walls at Cozumel is real enough so I'll pass on the nitrox for that first dive. The bottom there can be several hundred feet so I don't want to combine my 32%, 160 feet, and the stress of getting back under control. Don't get me wrong on this stress issue. I'm not going to panic, but I'll probably be breathing a little faster than normal. I just don't want to take the risk. Also, I don't have a regular dive buddy, so I'm taking luck of the draw.
Reef Fish - 26 Jun 2004 08:44 GMT > The potential for a down current on some of > the walls at Cozumel is real enough so I'll pass on the nitrox for that > first dive. There are NO downcurrents in Cozumel walls. Trust me.
There was an incidence in 1992, discussed at length in rec.scuba, in which a diver was pulled down by a "vortex" near the Santa Rosa wall, but a vortex (circular motion caused by rare weather conditions) are NOT downcurrents.
THe person who was pulled down by the vortex did leave some brown spots insides his wetsuit. BUt that was about the extent of the damage. :-)
The only thing that ever pulled me below 150' in Cozumel is when my buoyancy was deliberately made negative to descend. :-)
-- Bob.
DrYak - 27 Jun 2004 23:31 GMT Bob,
When I was in Cozumel in 2001, one of my dive buddies told me he had been in a down current and got out at 150-160 feet. I wasn't diving with him that day, but I trust him. In any case, doing nitrox on those first dives is not like to get you any extra bottom time because most of the dives are run by the DM, not your computer. The surface interval won't be shorter because you dive nitrox. So I'll dive it on the second dive.
Dr Y.
>>The potential for a down current on some of >>the walls at Cozumel is real enough so I'll pass on the nitrox for that [quoted text clipped - 15 lines] > > -- Bob. Reef Fish - 28 Jun 2004 16:08 GMT > Bob, > > When I was in Cozumel in 2001, one of my dive buddies told me he had > been in a down current and got out at 150-160 feet. I wasn't diving > with him that day, but I trust him. I was most like one of those rare "vortex" conditions that I memntioned in my post. I repeat -- it's NOT a "down current". I've done a total of nearly 1200 dives in Cozumel, on every divable site multiples of times and have talked to more DMs in Cuzumel than most people know -- the conclusion is all the same: there are NO down currents in Cozumel.
> In any case, doing nitrox on those > first dives is not like to get you any extra bottom time because most of > the dives are run by the DM, not your computer. Wrong on several counts.
1. On nearly all Cozumel dives, especially in the depth ranges you were talking about, diving nitrox does NOT necessarily give you any more bottom time (and definitely not more on the 2nd <shallower> dive". It gives you LESS nitrogen loading.
2. For many people, the air consumption on nitrox is indistinguable from that of air <see also (1) above>.
3. Some dive shops (and DMs) let you dive what your computer AND your tank of air/EAN will last.
It appears that you're not very well informed about nitrox, and you seem to be wanting to dive nitrox for all the WRONG reasons.
> The surface interval won't be shorter because you dive nitrox. Why not? If your intake of nitrogen is LESS than that of air, then doesn't it follow that you SI for "off gasing" will be less (or the time REQUIRED)?
> So I'll dive it on the second dive. Do you know why?
> Dr Y. -- Bob. Dr. L.
> >>The potential for a down current on some of > >>the walls at Cozumel is real enough so I'll pass on the nitrox for that [quoted text clipped - 15 lines] > > > > -- Bob. DrYak - 29 Jun 2004 01:44 GMT >>Bob, >> [quoted text clipped - 7 lines] > times and have talked to more DMs in Cuzumel than most people know -- > the conclusion is all the same: there are NO down currents in Cozumel. So the vortex swept him down. The end result is the same: unanticipated depths that were not planned for with the MOD of the nitrox mix.
>>In any case, doing nitrox on those >>first dives is not like to get you any extra bottom time because most of [quoted text clipped - 6 lines] > bottom time (and definitely not more on the 2nd <shallower> dive". > It gives you LESS nitrogen loading. Where can you get custom mixes of say 28 percent oxygen in Coz? All I've been offered is 32.
> 2. For many people, the air consumption on nitrox is indistinguable > from that of air <see also (1) above>. I know that air consumption is the same with air and nitrox.
> 3. Some dive shops (and DMs) let you dive what your computer AND your > tank of air/EAN will last. Got any recommendations for dive shops that will let me dive my computer even if the other divers are back on the boat?
> It appears that you're not very well informed about nitrox, and you > seem to be wanting to dive nitrox for all the WRONG reasons. [quoted text clipped - 4 lines] > doesn't it follow that you SI for "off gasing" will be less (or the > time REQUIRED)? Because if I'm the only one diving nitrox, we're not getting back into the water until my air breathing friends have off gassed enough. I'll just be a little safer then them. Now if we're all diving nitrox, then we can take advantage of a shorter surface interval, but one or two divers on even a six pack and we're going to get some more sun.
>>So I'll dive it on the second dive. > [quoted text clipped - 23 lines] >>> >>>-- Bob. Joe English - 29 Jun 2004 02:18 GMT >>> Bob, >>> [quoted text clipped - 23 lines] > Where can you get custom mixes of say 28 percent oxygen in Coz? All > I've been offered is 32. Less Nitrogen loading increases bottom time (if you have air) I got 32% and 36% in May
>> 2. For many people, the air consumption on nitrox is indistinguable >> from that of air <see also (1) above>. [quoted text clipped - 47 lines] >>>> >>>> -- Bob. H. Huntzinger - 29 Jun 2004 11:48 GMT > So the vortex swept him down. The end result is the same: > unanticipated depths that were not planned for with the MOD of the > nitrox mix. Absolutely true: the distinction is only of interest to those studying the physics and likelihood of how the force was generated, and not its risk to divers once present....oh, and argumentative pendants too :-)
> >>In any case, doing nitrox on those first dives is not > >>like to get you any extra bottom time because most of > >>the dives are run by the DM, not your computer. > > > > Wrong on several counts. Simply not 2 of the 3 'counts that followed.
> Got any recommendations for dive shops that will let me dive my computer > even if the other divers are back on the boat? There reportedly are some dive ops allow their divers to surface separately instead of as one big group, which is essentially the factor you're looking for. I don't know any by name or reputation, but someone here should know and be able to tell you who.
-hh
Jer - 29 Jun 2004 13:28 GMT > Got any recommendations for dive shops that will let me dive my computer > even if the other divers are back on the boat? In Coz, Fernando Gonzales of Manta Raya at Puerto del Abrigo Marina. I can't think of anyone more qualified to run a recovery op.
[....]
 Signature jer email reply - I am not a 'ten' "All that we do is touched with ocean, yet we remain on the shore of what we know." -- Richard Wilbur
DrYak - 30 Jun 2004 02:16 GMT >> Got any recommendations for dive shops that will let me dive my >> computer even if the other divers are back on the boat? [quoted text clipped - 3 lines] > > [....] Recovery op...that sounds encouraging. I really don't want to show up in Cuba.
Reef Fish - 29 Jun 2004 20:00 GMT > >>Bob, > >> [quoted text clipped - 8 lines] > unanticipated depths that were not planned for with the MOD of the > nitrox mix. COunting your case, now I know of TWO cases since 1992 that a diver was pulled down by a "vortex" in Cozumel. The vortex is a very LOCALIZED condition. In the case widely discussed in rec.scuba in 1992, the person was diving with a LARGE group, and he was the "lucky" one to be sucked down by the vortex. None of the other divers around that diver on the same dive was.
If you have a "down current", EVERYONE in a LARGE area will be affected by the "down current". That is the big difference. The best known example of a down current is the tidal change when the Phillipine Sea pours into the Pacific ocean (in Palau) over Peleliu Corner. That kind of down current happens every day and whoever happens to be diving at the time gets pulled down!
> > 1. On nearly all Cozumel dives, especially in the depth ranges you were > > talking about, diving nitrox does NOT necessarily give you any more [quoted text clipped - 3 lines] > Where can you get custom mixes of say 28 percent oxygen in Coz? All > I've been offered is 32. Any of the techdiving shops should be able to get you any fill at ANY EAN or trimix mix. The two factories that supply the "regular" dive shops in Cozumel pump only EAN 32 and EAN 36.
> > 2. For many people, the air consumption on nitrox is indistinguable > > from that of air <see also (1) above>. > > > I know that air consumption is the same with air and nitrox. That question has been debated. It's indisginguishable for most people. I noticed the difference at times.
> > 3. Some dive shops (and DMs) let you dive what your computer AND your > > tank of air/EAN will last. > > > Got any recommendations for dive shops that will let me dive my computer > even if the other divers are back on the boat? I know many, but would not recommend it to you, or vice versa for the dive shop.
> >>The surface interval won't be shorter because you dive nitrox. > > [quoted text clipped - 4 lines] > Because if I'm the only one diving nitrox, we're not getting back into > the water until my air breathing friends have off gassed enough. Silly argument. If your "air breathing friends" have to surface 15 minutes before you do, then YOUR service interval for diving EAN would be 15 minutes shorter than theirs wouldn't it, for the equivalent amount of off-gassing?
Look at the SUBJECT line again! I don't know when this got off onto the tangent of down current and diving nitrox in COZUMEL.
The answer for YOU, Dr. Yak, is that you should dive on one of the Caribbean liveaboards (of which the Cayman Aggressor is one) and dive nitrox or air (or both) on it.
Then you can dive to your content (subject to your blind faith on your computer) and your desire to dive "as long as possible".
Back ON TOPIC.
Here's an OLD (1994) Cayman Aggressor trip report in which I reported:
*> I grumbled last year about the posted 110' max limit, supposedly *> the RULE of the Cayman Dive Association or some such. And on my *> last July trip, I did a 103' (max depth) dive for 100 minutes *> (non deco) as my protest of the ridiculous nature of the 110' *:> max depth RULE.
http://makeashorterlink.com/?C1A322EA8
The posted rules on the Cayman Aggressor used to be: 110 ft max, back to the boat with at least 500 psi. When I did the dive, I meant to do a 100 ft for 100 minutes, but dropped down to 103 ft max instead. But I was back on board with 500 psi. With the remaining 500 psi, I am SURE I could have made that a 2 HOUR dive on one tank of AL80 air.
The Aggressors no longer post those rules on the briefing board. :-)
So what's the big deal about making a long dive?
On most liveaboards, you can dive as LONG as you wish. On the Cayman Aggressor, you're briefed that you can dive ANY TIME when the boat is moored, such as 3 am in the morning. :-) Captain Bill Spenser made that statement in one of his briefings, and was taken up by one diver, to his chagrin. :-))
This year, Captain Alan made the same statement except he told the divers to wake up a DM if they want to do a 3 am dive. :-)) Several divers opted for a 6 am dawn dive instead.
So, you can literally do 10 dives a day (if you are stupid enough to want to do so) and get 10 or more hours of bottom time, if you go diving on the Cayman Aggressor -- and probably some other iiveaboards that have more or less the same policy of DIVE as much as you wish -- subject to your "computer" and not getting bent.
For the experienced diver, it's the QUALITY (of the dive) and not the QUANTITY (how many minutes or hours) that counts.
That's why I typically get back on the boat (in Cozumel OR on a liveabord) with 1000 or 1500 psi left after about 45 minutes to an hour.
-- BOb.
scubaran - 29 Jun 2004 22:23 GMT > > >>Bob, > > >> [quoted text clipped - 123 lines] > > -- BOb. Hi BOb,
Thanks for "getting back on topic". I appreciate the insights on diving a liveaboard. I agree, quality does count. With my dive partner diving with me, he sucks air twice as quickly as I do so 45 minutes will probably be our max time down (unless I dive with someone else while aboard). The whole thing with Nitrox was my dive instructor for my AOW said that I would be less tired diving with Nitrox rather than air due to what he called "old man syndrome" where the extra diving time would start to wear me down after a day or two. He thought it gave me an extra edge that I might need in sustaining an extra level of exercise and stress on my body that I'm not used to (I dive two tanks around every other weekend). Anyway, thanks again and I'm looking forward to any little nuggets of info on live aboard a liveaboard.
Thanks again, Randy
H. Huntzinger - 25 Jun 2004 12:57 GMT > I didn't get a choice on the timing [October] as I'm going with > the local dive club. IMO, don't worry too much about it...IMO, you'll probably be okay in October, at least due to this 'winter weather' risk bit, as that's more of a "real" winter (December) risk, not a fall (Sept/Oct) risk.
The fall does carry a 'bad weather' risk in the form of passing tropical waves (statistical hurricane peak is September), but these are often fairly short-lived and localized, making it hit-or-miss, plus its actually present all summer long: technically, they occur anytime between June and November. For example, yesterday's tropical summary was reporting four active tropical waves (at 30W, south of 15N, at 67W below 16N, at 77W below 18N and at 90W below 17N).
Some people are of the opinion that this tropical weather risk is worth taking in Sept/Oct/Nov because the fall's general conditions are that the summer's heat has passed, so the air has cooled off, but the water's still nice and warm. A few know that there's also a chance to "grab the brass ring" of the seasonal trade winds oscillation that results in flat (to glassy) conditions for a few days in the Spring & Fall. It is impossible to predict far in advance just which days this will happen on each year and plan a trip around it, but for catching the Fall shift, your chances are generally best in October.
-hh
scubaran - 25 Jun 2004 15:45 GMT > > I didn't get a choice on the timing [October] as I'm going with > > the local dive club. [quoted text clipped - 22 lines] > > -hh Hi,
Thanks for the info. I know I've been on cruises in October and only once did we have to bypass an island due to hurricanes and that was a very southern island in the Caribbean (I'm also well aware of December/January ocean conditions from a Christmas cruise from Puerto Rico to Aruba where we had consistent 10-15 ft. waves the whole crossing).
Randy
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