000 FZNT31 KNHC 030904 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 504 AM EDT Sat Oct 3 2020 Marine Weather HF Voice Broadcast for the Tropical N Atlantic from 07N to 22N between 55W and 64W, the SW N Atlantic S of 31N W of 65W including Bahamas, and the Caribbean Sea. Seas given as significant wave height, which is the average height of the highest 1/3 of the waves. Individual waves may be more than twice the significant wave height. Synopsis for Caribbean Sea and Tropical N Atlantic from 07N to 19N between 55W and 64W .SYNOPSIS...Tropical Storm Gamma is off the Yucatan coast near 19.5N 86.8W 994 mb at 5 AM EDT moving NW at 8 kt. Maximum sustained winds 40 kt gusts 50 kt. Gamma will move to 20.2N 87.4W this afternoon, inland to 21.1N 87.9W Sun morning, then into the south-central Gulf of Mexico to near 21.7N 88.0W Sun afternoon. Winds and seas over the northwest Caribbean and Yucatan Channel will diminish early next week as Gamma continues to move west. Elsewhere, fresh to strong trades are expected over the eastern and central Caribbean through Sun night. Winds and seas will subside through mid week across the basin. NW Caribbean W of 85W ...TROPICAL STORM WARNING... .TODAY...TROPICAL STORM CONDITIONS. SW winds 35 to 45 kt. Seas 6 to 9 ft. .TONIGHT...TROPICAL STORM CONDITIONS POSSIBLE. SW winds 30 to 40 kt, diminishing to 20 to 30 kt after midnight. Seas 6 to 9 ft. .SUN...W winds 20 to 30 kt. Seas 4 to 6 ft. .SUN NIGHT...W winds 15 to 25 kt. Seas 4 to 6 ft. .MON...SW winds 10 to 20 kt. Seas 3 to 5 ft. .MON NIGHT...SW winds 10 to 20 kt. Seas 3 to 5 ft. .TUE...W winds 10 to 20 kt. Seas 3 to 4 ft. .TUE NIGHT...NW winds 10 to 15 kt. Seas 3 to 4 ft in the evening, subsiding to 2 ft or less. .WED...SW winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft in the afternoon. Caribbean N of 15N between 72W and 85W .TODAY...SE winds 15 to 25 kt. Seas 4 to 6 ft. .TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...E winds 15 to 25 kt S of 18N, and SE 10 to 20 kt elsewhere. Seas 4 to 6 ft. .SUN NIGHT...E winds 15 to 25 kt S of 18N, and SE 10 to 20 kt elsewhere. Seas 3 to 5 ft. .MON...E winds 10 to 20 kt. Seas 3 to 5 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .TUE...SE winds 10 to 20 kt. Seas 3 to 5 ft. .TUE NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .WED...S of 18N, SE winds 10 to 15 kt. Elsewhere, SE winds 10 to 15 kt, shifting to S in the afternoon. Seas 3 ft. Caribbean from 11N to 15N W of 72W .TODAY...S winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...Within 90 nm of coast of Colombia, E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Elsewhere, E winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...Within 90 nm of coast of Colombia, S winds less than 10 kt, shifting to SW in the afternoon. Elsewhere, SW winds 10 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...W winds 10 to 20 kt. Seas 4 to 6 ft. .MON...SW winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...Within 90 nm of coast of Colombia, W winds less than 10 kt, shifting to SE after midnight. Elsewhere, S winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...SE winds less than 10 kt within 90 nm of coast of Colombia, and SE 10 to 15 kt elsewhere. Seas 3 to 4 ft. .TUE NIGHT...Within 90 nm of coast of Colombia, NE winds less than 10 kt. Elsewhere, SE winds less than 10 kt, shifting to E after midnight. Seas 3 to 4 ft. .WED...S winds less than 10 kt within 90 nm of coast of Colombia, and SE 10 to 15 kt elsewhere. Seas 3 ft. SW Caribbean S of 11N .TODAY...W winds less than 10 kt. Seas 3 ft. .TONIGHT...NW winds less than 10 kt, shifting to W after midnight. Seas 3 to 4 ft. .SUN...SW winds 10 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. .MON...SW winds 10 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...W winds less than 10 kt. Seas 3 to 4 ft. .TUE...SW winds 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...SW winds less than 10 kt. Seas 3 to 4 ft. .WED...S winds less than 10 kt. Seas 3 ft. Caribbean between 64W and 72W .TODAY...Gulf of Venezuela, E winds 10 to 15 kt, shifting to NE in the afternoon. Elsewhere, E winds 15 to 25 kt. Seas 3 to 4 ft Gulf of Venezuela, and 6 to 8 ft elsewhere. .TONIGHT...NE winds 10 to 15 kt Gulf of Venezuela, and E 15 to 25 kt elsewhere. Seas 3 to 4 ft Gulf of Venezuela, and 5 to 7 ft elsewhere. .SUN...Gulf of Venezuela, SE winds 10 to 15 kt, shifting to SW in the afternoon. Elsewhere, E winds 15 to 25 kt. Seas 3 to 4 ft Gulf of Venezuela, and 5 to 7 ft elsewhere. .SUN NIGHT...NE winds less than 10 kt Gulf of Venezuela, and E 15 to 25 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 4 to 6 ft elsewhere. .MON...Gulf of Venezuela, E winds 10 kt in the morning, becoming variable winds less than 10 kt. Elsewhere, E winds 10 to 20 kt. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .MON NIGHT...Gulf of Venezuela, NE winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Elsewhere, E winds 10 to 15 kt. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .TUE...SW winds less than 10 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 3 to 4 ft elsewhere. .TUE NIGHT...Gulf of Venezuela, NE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Elsewhere, E winds 10 to 15 kt. Seas 2 ft or less Gulf of Venezuela, and 3 to 4 ft elsewhere. .WED...Gulf of Venezuela, E winds 10 to 15 kt, shifting to NE in the afternoon. Elsewhere, E winds 10 to 15 kt. Seas 3 to 4 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TODAY...E winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...E winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .MON...E winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED...E winds 10 to 15 kt. Seas 3 to 5 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TODAY...E winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...E winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .MON...E winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED...E winds 10 to 15 kt. Seas 3 to 5 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A stationary front extending from 31N73W to 26N80W will gradually dissipate late today or tonight. Another stationary front extending from 31N78W to 28N80W will dissipate through late Sun. Meanwhile, the Bermuda High north of our area and lower pressure in NW Caribbean associated with T.S. Gamma will support moderate to fresh trades south of 22N, occasionally pulsing to strong north of Hispaniola during the overnight hours through Sun night. Looking ahead, a third weak front will move over the Atlantic waters east of NE Florida late Sun or early Mon, drift south through Tue then stall from 31N73W to near W Palm Beach Florida by mid week. ATLC waters from 27N to 31N W of 77W .TODAY...E winds 10 to 20 kt. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...SE winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft. .MON...NE winds 10 to 15 kt. Seas 4 to 5 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .TUE...E winds 10 to 15 kt. Seas 4 to 5 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .WED...SE winds 10 to 15 kt. Seas 4 to 5 ft. ATLC waters from 27N to 31N between 65W and 77W .TODAY...SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .TONIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .SUN...SE winds 10 to 15 kt. Seas 4 to 5 ft. .SUN NIGHT...SE winds 10 to 15 kt. Seas 4 to 5 ft. .MON...SE winds 10 to 15 kt. Seas 4 to 5 ft. .MON NIGHT...SE winds less than 10 kt. Seas 4 to 5 ft. .TUE...W of 70W, E winds 10 to 15 kt. Elsewhere, E winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 4 to 5 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .WED...S winds 10 to 15 kt W of 70W, and E less than 10 kt elsewhere. Seas 4 to 5 ft. Bahamas N of 22N .TODAY...SE winds 10 to 20 kt. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .SUN...E winds 10 to 20 kt. Seas 3 to 5 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .MON...E winds 10 to 20 kt. Seas 3 to 5 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .TUE...E winds 10 to 20 kt. Seas 3 to 5 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .WED...SE winds 10 to 20 kt. Seas 3 to 5 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...E winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...E winds 10 to 20 kt. Seas 5 to 6 ft. .SUN...E winds 10 to 20 kt. Seas 5 to 6 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 5 to 6 ft. .MON...E winds 10 to 20 kt. Seas 5 to 6 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. .TUE...E winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .WED...E winds 10 to 15 kt W of 70W, and E less than 10 kt elsewhere. Seas 4 to 5 ft. ATLC waters S of 22N W of 65W .TODAY...E winds 10 to 20 kt. Seas 5 to 7 ft. .TONIGHT...E winds 15 to 25 kt. Seas 5 to 6 ft. .SUN...E winds 15 to 25 kt. Seas 5 to 6 ft. .SUN NIGHT...E winds 15 to 25 kt. Seas 4 to 6 ft. .MON...E winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 20 kt. Seas 3 to 5 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 4 to 5 ft. .WED...E winds 10 to 15 kt. Seas 3 to 5 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...E winds 10 to 15 kt. Seas 5 to 6 ft. .TONIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. .SUN...E winds 10 to 15 kt. Seas 5 to 6 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. .MON...E winds 10 to 15 kt. Seas 5 to 6 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 5 ft. .TUE...E winds 10 kt. Seas 4 to 5 ft. .TUE NIGHT...E winds 10 kt. Seas 4 to 5 ft. .WED...SE winds 10 kt. Seas 4 to 5 ft.