000 FZNT31 KNHC 131333 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 933 AM EDT Mon Mar 13 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...Fresh to strong SE winds N of Honduras will diminish this afternoon. Otherwise, a weak pressure pattern is yielding below normal tradewinds across most of the basin. Tradewinds will increase slightly tonight through Wed. New northerly swell will reach the Atlantic waters early Tue and move through the NE Caribbean Passages. A cold front is forecast to sink S-SE across the northwestern basin Wed, reach from the Windward Passage to northern Gulf of Honduras Thu, and from the northern Leeward Islands to NE coast of Honduras Fri. Fresh to strong winds will follow the front, with N swell spreading through Atlantic passages. NW Caribbean W of 85W .THIS AFTERNOON...SE winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...SE winds 10 to 20 kt. Seas 3 to 5 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .WED...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .WED NIGHT...NE 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 20 kt. Seas 4 to 6 ft. .FRI...SE winds 10 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft. Caribbean N of 15N between 72W and 85W .THIS AFTERNOON...SE winds 10 to 15 kt. Seas 3 to 4 ft. .TONIGHT...S of 18N, SE winds 10 to 15 kt. Elsewhere, S winds 10 to 15 kt, shifting to SE after midnight. Seas 3 ft. .TUE...E winds 10 to 15 kt S of 18N, and SE less than 10 kt elsewhere. Seas 3 ft. .TUE NIGHT...E winds 10 to 15 kt S of 18N, and E less than 10 kt elsewhere. Seas 3 ft. .WED...E winds less than 10 kt. Seas 3 ft. .WED NIGHT...E winds less than 10 kt, shifting to NE after midnight. Seas 3 ft. .THU...E winds 10 to 20 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .FRI...E winds 10 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft. Caribbean from 11N to 15N W of 72W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...NE winds 15 to 20 kt within 90 nm of coast of Colombia, and E 10 to 15 kt elsewhere. Seas 3 to 5 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...NE winds 10 to 20 kt within 90 nm of coast of Colombia, and E 10 to 15 kt elsewhere. Seas 3 to 5 ft. .WED...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 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 20 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. SW Caribbean S of 11N .THIS AFTERNOON...E winds less than 10 kt. Seas 3 to 4 ft. .TONIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. .TUE...NE winds less than 10 kt. Seas 3 to 4 ft. .TUE NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. .WED...NE winds less than 10 kt. Seas 3 to 4 ft. .WED NIGHT...N winds less than 10 kt, shifting to NE after midnight. Seas 3 to 4 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...NE winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. Caribbean between 64W and 72W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 20 kt. Seas 3 ft Gulf of Venezuela, and 4 to 6 ft elsewhere. .TUE...E winds 10 to 20 kt. Seas 3 ft Gulf of Venezuela, and 4 to 6 ft elsewhere. .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 4 to 6 ft. .THU...E winds 10 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...E winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .THIS AFTERNOON...E winds less than 10 kt. Seas 4 to 6 ft. .TONIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .TUE...E winds 10 to 15 kt. Seas 6 to 8 ft. .TUE NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 6 to 8 ft. .WED...E winds 10 to 15 kt. Seas 5 to 7 ft. .WED NIGHT...E winds less than 10 kt. Seas 5 to 7 ft. .THU...SE winds less than 10 kt. Seas 5 to 7 ft. .THU NIGHT...S winds less than 10 kt, shifting to NE after midnight. Seas 4 to 6 ft. .FRI...NE winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 5 to 7 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 5 to 7 ft. .TONIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .TUE...E winds 10 to 15 kt. Seas 5 to 7 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .WED...E winds 10 to 20 kt. Seas 6 to 8 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .THU...E winds 10 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .FRI...NE winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A weakening cold front from near 25N55W to the SE Bahamas and will stall and dissipate W of 60W later today. Strong westerly winds N of 28N and large seas across the waters will prevail behind the front today before winds diminish. Seas N of 24N and E of 70W will remain 12 ft and higher in N to NE swell through early Tue. Another cold front will enter the far NW waters today, then continue SE with fresh to strong winds N of 27N behind it, with the front reaching the NW Bahamas Tue morning, from near 28N55W to the Windward Passage Thu morning, and from 20N55W through the Leeward Islands by Fri morning. Large N swell will accompany the second front with seas of 12 ft or greater N of 25N and E of 72W. ATLC waters from 27N to 31N W of 77W .THIS AFTERNOON...W winds 15 to 25 kt. Seas 6 to 9 ft. .TONIGHT...NW winds 10 to 20 kt. Seas 6 to 9 ft. .TUE...NW winds 10 to 20 kt. Seas 7 to 8 ft. .TUE NIGHT...N winds 15 to 20 kt. Seas 7 to 9 ft. .WED...N winds 10 to 15 kt. Seas 6 to 9 ft. .WED NIGHT...N winds 10 to 15 kt. Seas 6 to 8 ft. .THU...NE 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, shifting to SE after midnight. Seas 4 to 6 ft. .FRI...S winds 10 to 20 kt. Seas 4 to 5 ft. .FRI NIGHT...S winds 15 to 25 kt. Seas 6 to 8 ft. ATLC waters from 27N to 31N between 65W and 77W .THIS AFTERNOON...SW winds 15 to 25 kt W of 70W, and SW 10 to 20 kt elsewhere. Seas 8 to 13 ft. .TONIGHT...W winds 15 to 25 kt W of 70W, and SW 15 to 25 kt elsewhere. Seas 8 to 12 ft. .TUE...NW winds 10 to 20 kt W of 70W, and W 15 to 25 kt elsewhere. Seas 8 to 12 ft. .TUE NIGHT...NW winds 10 to 20 kt. Seas 8 to 11 ft. .WED...NW winds 15 to 25 kt. Seas 8 to 13 ft. .WED NIGHT...NW winds 15 to 25 kt. Seas 9 to 14 ft. .THU...NW winds 15 to 25 kt. Seas 8 to 13 ft. .THU NIGHT...N winds 15 to 25 kt. Seas 8 to 13 ft. .FRI...N winds 10 to 15 kt, shifting to W in the afternoon. Seas 8 to 13 ft, subsiding to 7 to 10 ft in the afternoon. .FRI NIGHT...S winds 10 to 20 kt. Seas 7 to 10 ft. Bahamas N of 22N .THIS AFTERNOON...SW winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...SW winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 3 to 5 ft. .TUE...W winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. .WED...NE winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft. .THU...NE winds 10 to 20 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .FRI...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...SE winds 10 to 20 kt. Seas 3 to 5 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .THIS AFTERNOON...S winds 10 to 15 kt W of 70W, and S less than 10 kt elsewhere. Seas 8 to 11 ft. .TONIGHT...SW winds 10 to 15 kt. Seas 7 to 10 ft. .TUE...SW winds 10 to 15 kt. Seas 6 to 8 ft. .TUE NIGHT...W winds 10 to 15 kt. Seas 6 to 9 ft. .WED...NW winds 10 to 15 kt. Seas 6 to 8 ft. .WED NIGHT...N winds 10 to 15 kt. Seas 6 to 9 ft. .THU...N winds 10 to 20 kt. Seas 8 to 11 ft. .THU NIGHT...N winds 10 to 20 kt. Seas 8 to 11 ft. .FRI...NE winds 10 to 15 kt. Seas 8 to 11 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 7 to 10 ft. ATLC waters S of 22N W of 65W .THIS AFTERNOON...S winds less than 10 kt. Seas 4 to 6 ft. .TONIGHT...SE winds less than 10 kt. 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...SE winds less than 10 kt. Seas 4 to 6 ft. .WED NIGHT...E winds 10 to 15 kt, shifting to N after midnight. Seas 3 to 5 ft. .THU...N winds 10 to 20 kt. Seas 6 to 8 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .FRI...NE winds 10 to 20 kt. Seas 6 to 9 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. ATLC waters from 19N to 22N between 55W and 65W .THIS AFTERNOON...SW winds less than 10 kt. Seas 6 to 8 ft. .TONIGHT...NW winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 8 to 11 ft. .TUE...SE winds less than 10 kt. Seas 8 to 10 ft. .TUE NIGHT...Variable winds less than 10 kt, becoming SE less than 10 kt after midnight. Seas 7 to 9 ft. .WED...SE winds 10 kt. Seas 7 to 8 ft. .WED NIGHT...S winds less than 10 kt. Seas 6 to 8 ft. .THU...S winds less than 10 kt, shifting to SW in the afternoon. Seas 6 to 7 ft. .THU NIGHT...NW winds 10 to 20 kt. Seas 7 to 10 ft. .FRI...N winds 10 to 20 kt. Seas 7 to 10 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 9 to 10 ft.