wave height history in the gulf stream - Page 2 - SailNet Community
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post #11 of 16 Old 08-27-2012
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Re: wave height history in the gulf stream

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Really? That is quite the chop. Does it get longer if it is not counter to the current?
The British have a great term for the Gulf Stream, "Dirty patch of water". The chop generally does not get longer here in southern Florida. It is 47 miles straight shot from Miami to Bimini. The Gulf Stream wall is only 5 miles from here at Key Biscayne and only a one mile from Bimini. So that is 41 miles as a crow files. However we sailboaters with an average speed say 5.5 knots are in the Gulf Stream for at least 10 hours due to the current taking you upstream around 15-20 miles depending on the strength of the current. Always take the Gulf Stream 90 degrees which down here in around a 110 degree heading. Don't try to fight the current by crabbing your heading into the current. It will only prolong your misery in the this dirty patch of water. I proved this out my first time crossing and it took me 14 hours of pure misery and solo at that. It was the only time I have been sea sick in 20 years.
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post #12 of 16 Old 08-27-2012 Thread Starter
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Re: wave height history in the gulf stream

Hello Thank you all for the responses. I should have been more detailed with my question. The last few years I have spent every Feb. in the keys on my mac 22. If I could cross to Bimini and be able to get back in a week or two that would be fine. Last Feb there was twice periods of a week or so with seas too rough to try it. It seems a rough chop is harder on me than larger swells. The side to side swing keel movement seems to start flexing the whole center of the boat in a chop. It would be best in calm seas. So it did get me to wondering what percent of the time the stream is calmer
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post #13 of 16 Old 08-27-2012 Thread Starter
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Re: wave height history in the gulf stream

Thank you all for the responses. Just a quick note on the fuel question. I have 2 outboards so I always have a spare. I replaced the old motors with new 5 hp lawn mower engines. They use 1 quart an hour of gas. I carry about ten gallons with me. One motor will push me about 4 mph.

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post #14 of 16 Old 08-28-2012
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Re: wave height history in the gulf stream

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Originally Posted by millyman01 View Post
Thank you all for the responses. Just a quick note on the fuel question. I have 2 outboards so I always have a spare. I replaced the old motors with new 5 hp lawn mower engines. They use 1 quart an hour of gas. I carry about ten gallons with me. One motor will push me about 4 mph.
How did you replace an outboard engine with a lawn mower engine.
Pictures?
Do they fit under the power head cover?
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post #15 of 16 Old 08-31-2012
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Re: wave height history in the gulf stream

It's really very simple; don't even think of crossing in a northerly. It is a wind against the waves scenario; waves stand up like breakers on a beach and I've seen them higher than your boat between the Bahamas and FLA.
No amount of research or looking into past averages will do you any good; you must plan your voyage in real time.
Between Bimini and Lauderdale, the current AVERAGES 2.5 knots to the north, which you also need to consider. I've been in 8 knots plus at times and on one trip crossing East to West I had none at all; ended up in Miami beach instead of Lauderdale.
The Gulf Stream is not to be taken lightly, but that said, if you use due diligence, you can have a great trip.
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post #16 of 16 Old 09-01-2012
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Re: wave height history in the gulf stream

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Originally Posted by capta View Post
Between Bimini and Lauderdale, the current AVERAGES 2.5 knots to the north, which you also need to consider. I've been in 8 knots plus at times and on one trip crossing East to West I had none at all; ended up in Miami beach instead of Lauderdale.
More than EIGHT KNOTS of current in the Stream???

Hmmm, I'll buy that when I see it myself... (grin)
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