Offshore Forecast
Issued by NWS
Issued by NWS
255 FZNT31 KNHC 240311 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1111 PM EDT Mon Sep 23 2024 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...Potential Tropical Cyclone Nine is near 18.4N 82.4W at 11 PM EDT, and is moving north-northwest at 5 kt. Maximum sustained winds are 30 kt with gusts to 40 kt, and the minimum central pressure is 1002 mb. Nine will move to 19.1N 83.5W Tue morning, 20.2N 84.6W Tue evening, 21.6N 85.6W Wed morning, 23.4N 85.8W Wed evening, 26.2N 84.9W Thu morning, and inland to 30.4N 83.9W Thu evening. Widespread showers and thunderstorms will continue across the W and NW Caribbean through Wed as Nine moves through and then exits the region. NW Caribbean W of 85W ...TROPICAL STORM WARNING... .THIS AFTERNOON...NE winds 10 to 20 kt. Seas 3 to 5 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft. .TUE...TROPICAL STORM CONDITIONS POSSIBLE. N winds 25 to 35 kt. Seas 5 to 7 ft. .TUE NIGHT...TROPICAL STORM CONDITIONS EXPECTED. NW winds 20 to 30 kt, becoming W 35 to 45 kt after midnight. Seas 7 to 10 ft. .WED...HURRICANE CONDITIONS POSSIBLE. W winds 50 to 60 kt. Seas 8 to 11 ft. .WED NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .THU...SW winds 20 to 30 kt, diminishing to 10 to 20 kt in the afternoon. Seas 5 to 7 ft. .THU NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...S winds less than 10 kt. Seas 3 to 5 ft. Caribbean N of 15N between 72W and 85W ...TROPICAL STORM WARNING... .THIS AFTERNOON...E winds 20 to 30 kt. Seas 4 to 6 ft. .TONIGHT...TROPICAL STORM CONDITIONS POSSIBLE. SE winds 25 to 35 kt. Seas 5 to 7 ft. .TUE...TROPICAL STORM CONDITIONS EXPECTED. SE winds 25 to 35 kt S of 18N, and SE 30 to 40 kt elsewhere. Seas 4 to 6 ft S of 18N, and 6 to 9 ft elsewhere. .TUE NIGHT...TROPICAL STORM CONDITIONS EXPECTED. SE winds 15 to 25 kt S of 18N, and SE 40 to 50 kt elsewhere. Seas 5 to 7 ft S of 18N, and 8 to 11 ft elsewhere. .WED...TROPICAL STORM CONDITIONS POSSIBLE. SE winds 15 to 25 kt S of 18N, and S 45 to 55 kt elsewhere. Seas 5 to 7 ft S of 18N, and 7 to 10 ft elsewhere. .WED NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .THU...SE winds 10 to 20 kt S of 18N, and S 15 to 25 kt elsewhere. Seas 5 to 7 ft. .THU NIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft. .FRI...SE winds 10 to 15 kt. Seas 3 to 5 ft. Caribbean from 11N to 15N W of 72W .THIS AFTERNOON...SE winds 10 to 15 kt. Seas 3 to 4 ft. .TONIGHT...SE winds 10 to 20 kt. Seas 3 to 4 ft. .TUE...SE winds 10 to 20 kt. Seas 3 to 5 ft. .TUE NIGHT...SE winds 10 to 20 kt. Seas 3 to 5 ft. .WED...SE winds 10 to 20 kt. Seas 3 to 5 ft. .WED NIGHT...SE winds 10 to 20 kt. Seas 3 to 5 ft. .THU...SE winds 10 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...E winds 10 to 15 kt. Seas 3 to 4 ft. SW Caribbean S of 11N .THIS AFTERNOON...S winds 10 to 15 kt. Seas 2 ft or less. .TONIGHT...S winds 10 to 15 kt. Seas 2 ft or less. .TUE...S winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 2 ft or less. .TUE NIGHT...S winds 10 to 15 kt. Seas 2 ft or less. .WED...SW winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 2 ft or less. .WED NIGHT...SW winds less than 10 kt. Seas 2 ft or less. .THU...SW winds less than 10 kt. Seas 2 ft or less, building to 3 ft in the afternoon. .THU NIGHT...Variable winds less than 10 kt. Seas 3 ft. .FRI...Variable winds less than 10 kt, becoming S less than 10 kt in the afternoon. Seas 3 ft in the morning, subsiding to 2 ft or less. Caribbean between 64W and 72W .THIS AFTERNOON...E winds 10 to 20 kt. Seas 3 to 4 ft. .TONIGHT...E winds 10 to 20 kt. Seas 3 to 4 ft. .TUE...E winds 10 to 20 kt. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .TUE NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .WED...E winds 10 to 20 kt. Gulf of Venezuela, seas 3 ft in the morning, subsiding to 2 ft or less. Elsewhere, seas 3 to 5 ft. .WED NIGHT...E winds 10 to 20 kt. Gulf of Venezuela, seas 2 ft or less, building to 3 ft after midnight. Elsewhere, seas 3 to 5 ft. .THU...E winds 10 to 15 kt. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .THU NIGHT...E winds 10 to 15 kt. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .FRI...E winds 10 to 15 kt. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 3 to 4 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 4 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. .WED NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .THU...E winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...E winds 10 to 15 kt. Seas 4 to 6 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 3 to 4 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .WED...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...E winds 10 to 15 kt. Seas 3 to 5 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...Potential Tropical Cyclone Nine is near 18.4N 82.4W at 11 PM EDT, and is moving north-northwest at 5 kt. Maximum sustained winds are 30 kt with gusts to 40 kt, and the minimum central pressure is 1002 mb. Nine will move to 19.1N 83.5W Tue morning, 20.2N 84.6W Tue evening, 21.6N 85.6W Wed morning, 23.4N 85.8W Wed evening, 26.2N 84.9W Thu morning, and inland to 30.4N 83.9W Thu evening. Nine will become post-tropical as it moves through the southeast U.S. late Fri. Nine will bring strong winds and large seas to areas offshore Florida and N of the Bahamas late this week. Tropical storm force winds are expected across portions of central and northeast Florida coastal waters Thu through early Fri. ATLC waters from 27N to 31N W of 77W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 4 to 5 ft. .TONIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .TUE...E winds 10 to 15 kt. Seas 5 to 6 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .WED...E winds 10 to 20 kt. Seas 6 to 7 ft. .WED NIGHT...SE winds 15 to 25 kt. Seas 6 to 8 ft. .THU...TROPICAL STORM CONDITIONS POSSIBLE. .THU NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .FRI...S winds 20 to 30 kt. Seas 8 to 13 ft. ATLC waters from 27N to 31N between 65W and 77W .THIS AFTERNOON...N winds 10 to 15 kt. Seas 6 to 8 ft. .TONIGHT...N winds 10 to 15 kt. Seas 6 to 8 ft. .TUE...NW winds 10 to 20 kt. Seas 6 to 8 ft. .TUE NIGHT...N winds 10 to 15 kt. Seas 6 to 8 ft. .WED...NE winds 10 to 15 kt. Seas 6 to 7 ft. .WED NIGHT...E winds 10 to 20 kt W of 70W, and NE less than 10 kt elsewhere. Seas 6 ft. .THU...SE winds 10 to 20 kt W of 70W, and E less than 10 kt elsewhere. Seas 6 to 7 ft. .THU NIGHT...SE winds 15 to 25 kt W of 70W, and E less than 10 kt elsewhere. Seas 6 to 7 ft. .FRI...S winds 15 to 25 kt W of 70W, and E less than 10 kt elsewhere. Seas 6 to 8 ft. Bahamas N of 22N .THIS AFTERNOON...E winds 10 to 15 kt. Seas 3 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 4 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. .WED NIGHT...SE winds 15 to 25 kt. Seas 3 to 5 ft. .THU...SE winds 15 to 25 kt. Seas 3 to 5 ft. .THU NIGHT...SE winds 15 to 25 kt. Seas 3 to 5 ft. .FRI...S winds 15 to 25 kt. Seas 3 to 4 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .THIS AFTERNOON...N winds less than 10 kt. Seas 4 to 5 ft. .TONIGHT...W of 70W, NE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Elsewhere, NW winds less than 10 kt. Seas 4 to 6 ft. .TUE...W of 70W, E winds less than 10 kt. Elsewhere, NW winds less than 10 kt, shifting to W in the afternoon. Seas 4 to 6 ft. .TUE NIGHT...W of 70W, E winds 10 to 15 kt. Elsewhere, NW winds 10 to 15 kt, shifting to N after midnight. Seas 5 to 7 ft. .WED...E winds 10 to 15 kt W of 70W, and NE less than 10 kt elsewhere. Seas 5 to 6 ft. .WED NIGHT...E winds 10 to 20 kt W of 70W, and NE less than 10 kt elsewhere. Seas 5 to 6 ft. .THU...SE winds 10 to 20 kt W of 70W, and E less than 10 kt elsewhere. Seas 5 to 6 ft. .THU NIGHT...SE winds 10 to 20 kt W of 70W, and E less than 10 kt elsewhere. Seas 5 to 6 ft. .FRI...SE winds 10 to 15 kt W of 70W, and E less than 10 kt elsewhere. Seas 5 to 6 ft. ATLC waters S of 22N W of 65W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 3 to 4 ft. .TONIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...SE winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 to 4 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. .WED NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .THU...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...E winds 10 to 20 kt. Seas 4 to 6 ft. ATLC waters from 19N to 22N between 55W and 65W .THIS AFTERNOON...W winds less than 10 kt. Seas 4 ft. .TONIGHT...W winds less than 10 kt, shifting to S after midnight. Seas 4 ft. .TUE...S winds less than 10 kt. Seas 4 ft. .TUE NIGHT...E winds less than 10 kt. Seas 4 to 5 ft. .WED...E winds 10 to 15 kt. Seas 4 to 5 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 5 ft. .THU...E winds 10 to 15 kt. Seas 5 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. .FRI...E winds 10 to 15 kt. Seas 5 to 6 ft.