FWIW:
I must be one of those "soft and spoiled," individuals, but I have lived and
cruised in Florida for the last 45 years, so I will share my experience with
you. Before that, I sailed in New England and never needed AC on any vessel.
For nearly 40 years, anchoring out was on a sailboat. If you have a vee berth
forward, and use a windscoop (they are wonderful), you certainly are
comfortable for about 8 months of the year, but can count on very hot, still
nights during the summer months. That also depends on your cruising area. The
lower east coast and Keys can have a lot of air movement, even during summer.
The Gulf coast and panhandle are another story. At least to us, there seemed
to be less air flow in the summer, and the temps are higher than in South
Florida. For all these reasons, we do not cruise or anchor out during the
summer.
Now that we have a classic trawler, I haven't even tried to use a windscoop
because of the logistics problems of keeping it up and in the airstream, with
a cabin and fly bridge blocking air flow.
However, let me make a suggestion, as you too may be "soft and spoiled" and
this tip I pass on from Capt Sterling Kennedy.
Although I have two large capacity AC's on my boat, I also cruise with a small
5,000 BTU AC that uses about 500 watts on high, and less on low. This is for
the times when we are visiting friends or docking in places that only have 20
amp service, and can't run one of the larger AC's on this limited power. It
takes only a few minutes to pop this little AC into the back escape hatch, and
has saved us many hours of running our noisy generator. The benefit of cooling
the aft cabin for sleeping only also reduces the humidity and leads to better
sleep, dryer clothes, fresher smelling cabin, etc.
Everyone with have a different opinion on the subject of AC, and there is no
right answer. Personally, only "mad dogs and Englishmen" sleep in a hot cabin
with high humidity. As long as there is a breeze, its fine without AC.
Unfortunately, during our summers, the breeze seldom lasts through an entire
night. YMMV. Martin Veiner
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'Lo Martin and All,
..... That also depends on your cruising area. The lower east coast
and Keys can have a lot of air movement, even during summer. The
Gulf coast and panhandle are another story. At least to us, there
seemed to be less air flow in the summer, and the temps are higher
than in South
Florida. For all these reasons, we do not cruise or anchor out during the
summer.
I just wanted to add to what Martin said; for those who have not
lived on the Northern Gulf Coast, the humidity is much higher here
than in lots of other places, even in other parts of Florida. In the
summer, the "normal" weather pattern, not counting frontal passages
and hurricanes, is for a sea breeze to come off the Gulf starting in
mid to late morning and penetrate inland 5-25 miles or so by early
evening, bringing with it all the hot, moist air off of the Gulf,
which has been up to 98 degrees that I have experienced. By early
afternoon, the moist air is further heated, resulting in a row of
thunderstorms parallel to the Gulf shore from about 2-25 miles
inland. Then the hot, moist air starts to return in mid to late
evening towards the Gulf, albeit much more slowly as it does not have
the energy of the sun (heating the land) to propel it. Early to mid
evening there often is no wind, but we have a beautiful display of
Mother Nature's power as the thunderstorms dissipate. By early
morning, the winds are again calm. The net result is that we
constantly have high humidity that significantly raises the heat
index. A temperature that would be comfortable with low humidity can
become virtually unbearable with high humidity and no wind - hence
the need for air conditioning. It is not about being a wimp or
something such, just about maintaining one's health.
For an example of just how much humidity can come off the Gulf of
Mexico, one only has to look at the devastating floods which eastern
Texas, Louisiana, parts of Alabama and numerous other places farther
north and east have had this year.
As for us; well, I "prefer" not to have the generator running to
provide air conditioning, but I will turn it on immediately if that
is what makes my wife happy and comfortable to be on the boat. Once,
on our old sailboat, we both had or came extremely close to having
sun/heat stroke/sickness. My wife was much more affected by the heat
that time than I, so her tolerance to high heat indexes is much less
than mine. That single event drastically changed how well we tolerate
high temperatures - we don't. In the heat of summer, we hibernate in
the house. The ability to be in an air conditioned environment when
needed was why we sold the sailboat and bought the Celestial.
My advise - avoid sun/heat stroke/sickness at any cost! Also, be
aware of the symptoms and steps to take to mitigate the situation.
Declarations: I am neither a weather forecaster nor physician, just,
hopefully, a good observer.
Take care and be safe.
Wayne
Celestial
Albin43 Sundeck
Panama City, FL area