000 FZNT31 KNHC 170320 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1120 PM EDT Sat Sep 16 2023 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...Northerly swell affecting the NE Caribbean Passages will gradually subside tonight, then is forecast to build back slightly again there Sun night through Wed due to Tropical Storm Nigel, which is forecast to remain well NE of the area while strengthening. Otherwise, moderate to fresh trades will prevail across the Central Caribbean, locally fresh to strong off Colombia, while gentle to moderate winds will dominate elsewhere through the forecast period. NW Caribbean W of 85W .OVERNIGHT...E winds 10 to 15 kt. Seas 2 ft or less. .SUN...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 2 ft or less. .SUN NIGHT...E winds 10 to 15 kt. Seas 2 ft or less. .MON...E winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...E winds less than 10 kt. Seas 2 ft or less. .TUE...E winds less than 10 kt. Seas 2 ft or less. .TUE NIGHT...E winds less than 10 kt. Seas 2 ft or less. .WED...E winds less than 10 kt. Seas 2 ft or less. .WED NIGHT...E winds 10 to 15 kt. Seas 2 ft or less. .THU...E winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 ft in the morning, subsiding to 2 ft or less. Caribbean N of 15N between 72W and 85W .OVERNIGHT...E winds 10 to 15 kt. Seas 3 ft. .SUN...S of 18N, E winds 10 to 15 kt. Elsewhere, E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 3 ft. .MON...S of 18N, E winds 10 to 20 kt. Elsewhere, NE winds 10 to 15 kt, shifting to E in the afternoon. Seas 3 ft. .MON NIGHT...S of 18N, E winds 10 to 15 kt. Elsewhere, NE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 ft. .TUE...E winds 10 to 20 kt. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. .WED...S of 18N, E winds 10 to 20 kt. Elsewhere, E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. .WED NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. .THU...E winds 10 to 20 kt. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. Caribbean from 11N to 15N W of 72W .OVERNIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .SUN...E winds 10 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...NE winds 10 to 20 kt within 90 nm of coast of Colombia, and NE 15 to 25 kt elsewhere. Seas 3 to 5 ft. .MON...E winds 10 to 20 kt. Seas 3 to 5 ft. .MON NIGHT...NE winds 10 to 20 kt within 90 nm of coast of Colombia, and NE 15 to 25 kt elsewhere. 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 within 90 nm of coast of Colombia, and NE 15 to 25 kt elsewhere. Seas 3 to 5 ft. .WED...E winds 15 to 25 kt. Seas 4 to 6 ft. .WED NIGHT...E winds 15 to 25 kt. Seas 4 to 6 ft. .THU...E winds 15 to 25 kt. Seas 4 to 6 ft. SW Caribbean S of 11N .OVERNIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .SUN...NE winds 10 to 20 kt. Seas 3 to 5 ft. .SUN NIGHT...N winds 10 to 20 kt. Seas 3 to 5 ft. .MON...N winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...N winds 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...NW winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 3 to 4 ft. .WED...NW winds less than 10 kt. Seas 3 ft. .WED NIGHT...NW winds less than 10 kt. Seas 3 ft. .THU...W winds less than 10 kt. Seas 3 ft. Caribbean between 64W and 72W .OVERNIGHT...E winds 20 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 3 to 4 ft. .SUN...E winds 10 to 20 kt. Seas 3 to 4 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 3 to 4 ft. .MON...E winds 10 to 20 kt. Seas 3 to 4 ft. .MON NIGHT...NE winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. 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...E winds 10 to 20 kt. Seas 3 to 5 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .THU...E winds 10 to 20 kt. Seas 3 to 5 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .OVERNIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...NE winds less than 10 kt. Seas 4 to 6 ft. .SUN NIGHT...NE winds less than 10 kt. Seas 4 to 6 ft. .MON...NE winds less than 10 kt, shifting to W in the afternoon. Seas 4 to 6 ft. .MON NIGHT...W winds less than 10 kt, shifting to S after midnight. Seas 4 to 6 ft. .TUE...S winds less than 10 kt. Seas 4 to 6 ft. .TUE NIGHT...SE winds less than 10 kt. Seas 4 to 6 ft. .WED...E winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 4 to 6 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. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .OVERNIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .MON...SE winds 10 to 20 kt. Seas 3 to 5 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 4 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 20 kt. Seas 4 to 6 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. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...Tropical Storm Nigel is near 22.0N 48.0W at 11 PM EDT, and is moving northwest at 14 kt. Maximum sustained winds are 35 kt with gusts to 45 kt, and the minimum central pressure is 1005 mb. Nigel will move to 23.6N 49.2W Sun morning, 25.3N 50.6W Sun evening, strengthen to a hurricane near 26.7N 52.2W Mon morning, 27.8N 54.0W Mon evening, 29.4N 55.7W Tue morning, and 31.3N 56.7W Tue evening. Nigel will change little in intensity as it moves near 36.0N 55.6W late Wed. Otherwise, high pres will prevail across the waters through Sun. A weak cold front is forecast to move off the SE U.S. coast early on Mon with new high pres building down behind it. The front may stall and linger along 27N/28N through mid-week. ATLC waters from 27N to 31N W of 77W .OVERNIGHT...SE winds 10 to 15 kt. Seas 6 to 7 ft. .SUN...SE winds 10 to 15 kt. Seas 5 to 7 ft. .SUN NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. .MON...W winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...N winds less than 10 kt. Seas 3 to 4 ft. .TUE...NE winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .WED...NE winds 10 to 20 kt. Seas 3 to 5 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .THU...NE winds 15 to 25 kt. Seas 6 to 8 ft. ATLC waters from 27N to 31N between 65W and 77W .OVERNIGHT...E winds less than 10 kt. Seas 7 to 9 ft. .SUN...E winds less than 10 kt. Seas 6 to 8 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .MON...SE winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...SE winds less than 10 kt, shifting to N in the afternoon. Seas 3 to 5 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft W of 70W, and 5 to 7 ft elsewhere. .WED...N winds 10 to 20 kt. Seas 5 to 7 ft W of 70W, and 6 to 9 ft elsewhere. .WED NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .THU...E winds 15 to 25 kt W of 70W, and NE 10 to 15 kt elsewhere. Seas 6 to 8 ft. Bahamas N of 22N .OVERNIGHT...E winds less than 10 kt. Seas 3 to 4 ft. .SUN...E winds less than 10 kt. Seas 3 to 4 ft. .SUN NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. .MON...SE winds less than 10 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. .MON NIGHT...E winds less than 10 kt. Seas 2 ft or less. .TUE...E winds less than 10 kt. Seas 2 ft or less. .TUE NIGHT...E winds less than 10 kt. Seas 2 ft or less. .WED...E winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 2 ft or less. .WED NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .THU...E winds 10 to 20 kt. Seas 3 to 4 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .OVERNIGHT...E winds 10 kt. Seas 6 to 8 ft. .SUN...E winds 10 kt. Seas 6 to 8 ft. .SUN NIGHT...E winds 10 kt. Seas 5 to 7 ft. .MON...E winds 10 kt. Seas 5 to 6 ft. .MON NIGHT...E winds less than 10 kt. Seas 4 to 5 ft. .TUE...NE winds less than 10 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds less than 10 kt W of 70W, and N 10 to 15 kt elsewhere. Seas 5 to 7 ft. .WED...W of 70W, E winds less than 10 kt. Elsewhere, N winds 10 to 15 kt, shifting to NE in the afternoon. Seas 5 to 7 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .THU...E winds 10 to 15 kt. Seas 5 to 7 ft. ATLC waters S of 22N W of 65W .OVERNIGHT...E winds less than 10 kt. Seas 3 to 5 ft. .SUN...E winds less than 10 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 3 to 5 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .WED...E winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 to 5 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .THU...E winds 10 to 15 kt. Seas 4 to 6 ft. ATLC waters from 19N to 22N between 55W and 65W .OVERNIGHT...NE winds 10 kt. Seas 6 to 7 ft. .SUN...NE winds 10 to 15 kt. Seas 6 to 7 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 6 to 7 ft. .MON...N winds 10 to 15 kt. Seas 6 to 7 ft. .MON NIGHT...NW winds 10 to 20 kt. Seas 6 to 8 ft. .TUE...W winds 10 to 15 kt. Seas 6 to 7 ft. .TUE NIGHT...W winds 10 to 15 kt. Seas 6 to 7 ft. .WED...S winds 10 to 15 kt, shifting to E in the afternoon. Seas 5 to 7 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. .THU...E winds 10 to 15 kt. Seas 5 to 6 ft.