Offshore Forecast
Issued by NWS
Issued by NWS
130 FZNT31 KNHC 081546 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1046 AM EST Wed Jan 8 2025 Marine Weather HF Voice Broadcast for the Tropical N Atlantic from 07N to 19N W of 55W, the N Atlantic from 19N to 31N W of 55W including the 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 W of 55W .SYNOPSIS...A stationary front extends southwestward from the eastern tip of Cuba to the Gulf of Honduras. This front is forecast to weakening and then dissipate by tonight. Moderate to fresh N to NE winds and moderate seas are expected behind the front through this evening. Afterward, high pressure will build in the wake of the front, supporting moderate to fresh NE winds in the northwestern Caribbean through Fri. Fresh to strong winds will pulse in the south central Caribbean through the forecast period. NW Caribbean W of 85W .TODAY...NE winds 10 to 20 kt. Seas 5 to 7 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .THU...NE winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .FRI...SE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...S winds less than 10 kt. Seas 3 to 4 ft. .SAT NIGHT...Variable winds less than 10 kt. Seas 3 ft. .SUN...E winds less than 10 kt. Seas 3 to 5 ft. .SUN NIGHT...E winds less than 10 kt. Seas 3 ft. Caribbean N of 15N between 72W and 85W .TODAY...NE winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .THU...NE winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...E winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. Caribbean from 11N to 15N W of 72W .TODAY...E winds 15 to 25 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 6 to 8 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .THU...NE winds 10 to 20 kt. Seas 5 to 7 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .FRI...NE winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SAT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...E winds 10 to 20 kt. Seas 5 to 7 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. SW Caribbean S of 11N .TODAY...NE winds 10 to 20 kt. Seas 5 to 7 ft. .TONIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .THU...NE winds 10 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...NE winds 10 to 15 kt, shifting to N in the afternoon. Seas 4 to 6 ft. .FRI NIGHT...N winds 10 to 15 kt. Seas 4 to 5 ft. .SAT...N winds less than 10 kt. Seas 4 to 6 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...NE winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. Caribbean between 64W and 72W .TODAY...E winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...NE winds 10 to 20 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 3 to 4 ft. .THU...Gulf of Venezuela, NE winds 10 to 15 kt. Elsewhere, E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .THU NIGHT...E winds 10 to 20 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .FRI...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .SAT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...E winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TODAY...E winds less than 10 kt. Seas 5 to 7 ft. .TONIGHT...E winds less than 10 kt. Seas 4 to 6 ft. .THU...SE winds less than 10 kt. Seas 4 to 6 ft. .THU NIGHT...SE winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 4 to 6 ft. .FRI...Variable winds less than 10 kt, becoming NW less than 10 kt in the afternoon. Seas 4 to 6 ft. .FRI NIGHT...N winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 4 to 6 ft, building to 6 to 9 ft after midnight. .SAT...NE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 7 to 10 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 7 to 10 ft. .SUN...E winds less than 10 kt. Seas 6 to 9 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TODAY...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 5 to 7 ft. .TONIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .THU...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 5 to 7 ft. .THU NIGHT...E winds less than 10 kt. Seas 4 to 6 ft. .FRI...E winds less than 10 kt. Seas 4 to 6 ft. .FRI NIGHT...NE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 4 to 6 ft. .SAT...E winds 10 to 15 kt. Seas 5 to 7 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 6 to 9 ft. .SUN...E winds 10 to 15 kt. Seas 6 to 9 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 6 to 9 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A cold front extends from 31N50W to near the Turks and Caicos Islands. Strong SW winds with frequent gusts to gale-force will persist ahead of the front mainly N of 30N until late this afternoon. Meanwhile, a swell event with very rough seas will continue across the waters north of 26N through Thu. A reinforcing cold front is expected to bring another round of gale-force winds to the offshore waters north of 29N and east of 65W Thu afternoon through Fri. This will also reinforce the swell event, with very rough to high seas persisting in waters north of 18N and east of 77W through the weekend. A third frontal system this weekend could bring yet another round of increasing winds and seas. ATLC waters from 27N to 31N W of 77W ...GALE CONDITIONS POSSIBLE SATURDAY... .TODAY...NW winds 10 kt. Seas 5 to 7 ft. .TONIGHT...NW winds 10 to 15 kt, increasing to 15 to 25 kt after midnight. Seas 6 to 8 ft. .THU...NW winds 15 to 25 kt. Seas 7 to 10 ft. .THU NIGHT...N winds 10 to 20 kt. Seas 7 to 10 ft. .FRI...E winds less than 10 kt. Seas 6 to 8 ft. .FRI NIGHT...S winds 10 to 20 kt, increasing to 20 to 30 kt after midnight. Seas 5 to 7 ft. .SAT...SW winds 20 to 30 kt. Seas 8 to 11 ft. .SAT NIGHT...NW winds 10 to 20 kt. Seas 7 to 10 ft, subsiding to 5 to 7 ft after midnight. .SUN...NW winds 10 kt in the morning, becoming variable winds less than 10 kt. Seas 4 to 6 ft. .SUN NIGHT...NW winds less than 10 kt. Seas 3 to 4 ft. ATLC waters from 27N to 31N between 65W and 77W ...GALE WARNING THURSDAY THROUGH FRIDAY... ...GALE CONDITIONS POSSIBLE SATURDAY... .TODAY...NW winds 10 to 15 kt. Seas 8 to 11 ft W of 70W, and 10 to 14 ft elsewhere. .TONIGHT...W winds 15 to 25 kt. Seas 7 to 10 ft W of 70W, and 9 to 13 ft elsewhere. .THU...NW winds 20 to 35 kt. Seas 10 to 15 ft. .THU NIGHT...NW winds 15 to 25 kt W of 70W, and NW 25 to 35 kt elsewhere. Seas 11 to 16 ft W of 70W, and 15 to 19 ft elsewhere. .FRI...NW winds 25 to 35 kt in the morning, 15 to 25 kt in the afternoon. Seas 11 to 16 ft. .FRI NIGHT...W winds 10 to 15 kt. Seas 9 to 14 ft. .SAT...SW winds 20 to 30 kt. Seas 8 to 11 ft. .SAT NIGHT...W winds 15 to 25 kt. Seas 8 to 13 ft. .SUN...NW winds 10 to 20 kt. Seas 8 to 13 ft. .SUN NIGHT...NW winds less than 10 kt. Seas 7 to 10 ft. Bahamas N of 22N .TODAY...N winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .TONIGHT...N winds less than 10 kt. Seas 3 to 5 ft. .THU...N winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...NE winds 10 to 15 kt, shifting to E in the afternoon. Seas 4 to 6 ft. .FRI NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...S winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...SW winds less than 10 kt. Seas 3 ft. .SUN...Variable winds less than 10 kt. Seas 2 ft or less. .SUN NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...N winds 10 to 15 kt. Seas 6 to 9 ft. .TONIGHT...NW winds 10 to 15 kt. Seas 6 to 9 ft. .THU...NW winds 10 to 20 kt W of 70W, and NW 15 to 25 kt elsewhere. Seas 7 to 10 ft. .THU NIGHT...NW winds 10 to 20 kt W of 70W, and NW 15 to 25 kt elsewhere. Seas 9 to 14 ft. .FRI...N winds 10 to 20 kt. Seas 10 to 15 ft. .FRI NIGHT...NE winds less than 10 kt. Seas 9 to 14 ft. .SAT...SE winds less than 10 kt, shifting to S in the afternoon. Seas 8 to 11 ft. .SAT NIGHT...SW winds 10 to 15 kt. Seas 6 to 9 ft. .SUN...W winds less than 10 kt. Seas 5 to 7 ft. .SUN NIGHT...Variable winds less than 10 kt. Seas 5 to 7 ft. ATLC waters S of 22N W of 65W .TODAY...N winds less than 10 kt. Seas 3 to 5 ft. .TONIGHT...N winds less than 10 kt. Seas 3 to 5 ft. .THU...N winds less than 10 kt, shifting to NW in the afternoon. Seas 4 to 6 ft. .THU NIGHT...N winds 10 to 15 kt. Seas 5 to 7 ft. .FRI...N winds 10 to 15 kt. Seas 6 to 9 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 6 to 9 ft. .SAT...SE winds less than 10 kt. Seas 6 to 9 ft. .SAT NIGHT...SE winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 5 to 7 ft. .SUN...Variable winds less than 10 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...Variable winds less than 10 kt. Seas 6 to 8 ft. .TONIGHT...Variable winds less than 10 kt. Seas 5 to 7 ft. .THU...SW winds less than 10 kt. Seas 6 to 8 ft. .THU NIGHT...W winds 10 to 15 kt. Seas 6 to 8 ft. .FRI...NW winds 10 to 15 kt. Seas 8 to 11 ft. .FRI NIGHT...N winds 10 to 15 kt. Seas 9 to 14 ft. .SAT...NE winds 10 kt. Seas 10 to 13 ft. .SAT NIGHT...E winds 10 kt in the evening, becoming variable winds less than 10 kt. Seas 8 to 12 ft. .SUN...Variable winds less than 10 kt. Seas 7 to 10 ft. .SUN NIGHT...NE winds less than 10 kt. Seas 6 to 8 ft.