251 FZNT31 KNHC 110908 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 408 AM EST Sat Mar 11 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...Weak high pressure is centered N of Puerto Rico along 26N and will shift quickly E through Sun night as a frontal system moves ESE across the western Atlantic. Large northerly swell impacting the regional Atlantic waters, including passages of the NE Caribbean, will gradually subside through Mon. Trade winds off the coast of Colombia will pulse to strong at night through Sun night. Fresh to strong ESE winds are expected across the the Gulf of Honduras late tonight through Tue morning. Looking ahead, a cold front is forecast to enter the northwestern basin early Wed, which will bring fresh to strong NE winds and rising seas. NW Caribbean W of 85W .TODAY...SE winds 10 to 15 kt. Seas 3 ft. .TONIGHT...SE winds 10 to 20 kt. Seas 3 to 4 ft. .SUN...SE winds 10 to 20 kt. Seas 3 to 5 ft. .SUN NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .MON...SE winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...SE winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED...NE winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. Caribbean N of 15N between 72W and 85W .TODAY...SE winds less than 10 kt. Seas 3 to 4 ft. .TONIGHT...SE winds less than 10 kt. Seas 3 to 4 ft in the evening, subsiding to 2 ft or less. .SUN...S of 18N, SE winds less than 10 kt. Elsewhere, SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 2 ft or less. .SUN NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .MON...SE winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...SE 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 less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 to 5 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. Caribbean from 11N to 15N W of 72W .TODAY...E winds 10 to 20 kt within 90 nm of coast of Colombia, and E 10 to 15 kt elsewhere. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 20 kt within 90 nm of coast of Colombia, and E 10 to 15 kt elsewhere. Seas 3 to 5 ft. .SUN...E winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...E winds 15 to 20 kt within 90 nm of coast of Colombia, and E 10 to 15 kt elsewhere. Seas 3 to 5 ft. .MON...E winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 15 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...NE winds 10 to 15 kt. Seas 4 to 6 ft. SW Caribbean S of 11N .TODAY...NE winds less than 10 kt. Seas 3 to 5 ft. .TONIGHT...NE winds less than 10 kt. Seas 3 to 5 ft. .SUN...NE winds 10 kt. Seas 3 to 4 ft. .SUN NIGHT...NE winds 10 kt. Seas 3 to 4 ft. .MON...NE winds less than 10 kt. Seas 3 to 4 ft. .MON NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. .TUE...NE winds less than 10 kt. Seas 3 to 5 ft. .TUE NIGHT...NE winds less than 10 kt. Seas 3 to 5 ft. .WED...N winds less than 10 kt. Seas 3 to 4 ft. .WED NIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. Caribbean between 64W and 72W .TODAY...E winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...E winds 10 to 15 kt. Seas 3 ft Gulf of Venezuela, and 4 to 6 ft elsewhere. .SUN NIGHT...NE winds 15 to 20 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 4 to 6 ft. .MON...E winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .TUE...E winds 10 to 20 kt. Seas 5 to 7 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .WED...SE winds 10 to 20 kt. Seas 5 to 7 ft. .WED 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 .TODAY...E winds less than 10 kt. Seas 6 to 9 ft. .TONIGHT...SE winds less than 10 kt. Seas 6 to 9 ft. .SUN...SE winds less than 10 kt. Seas 6 to 8 ft. .SUN NIGHT...NE winds less than 10 kt. Seas 5 to 7 ft. .MON...E winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 5 to 7 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .TUE...E winds 10 to 15 kt. Seas 6 to 9 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 6 to 9 ft. .WED...E winds 10 to 15 kt. Seas 6 to 9 ft. .WED NIGHT...SE 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. Seas 5 to 7 ft. .TONIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .SUN...E winds 10 to 15 kt. Seas 6 to 8 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 6 to 9 ft. .MON...E winds 10 to 15 kt. Seas 5 to 7 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .TUE...E winds 10 to 15 kt. Seas 6 to 8 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .WED...E winds 10 to 20 kt. Seas 6 to 9 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...Weak high pressure is centered near 26N68W and will slide eastward today through Sun as a cold front across the far NW waters and N Florida moves quickly E-SE. The front will reach from near Bermuda through the NW Bahamas to near Miami this evening, then from 28N55W to central Cuba Sun evening before dissipating. Strong to gale-force SW to W winds are expected N of 25N and ahead of the front through Sun night, while strong to gale-force NW winds prevail W of the front. Moderate to large N to NE swell currently dominating the regional waters will gradually subside through Mon to the S of 25N, while seas remain 10 ft and higher to the N of 25N as the frontal system sweeps across the area. Another frontal system will move across the far NW waters Mon and drag a cold front SE across the area, reaching from 31N58W to eastern Cuba by Wed evening. ATLC waters from 27N to 31N W of 77W .TODAY...NW winds 15 to 25 kt. Seas 8 to 11 ft. .TONIGHT...NE winds 10 to 15 kt. Seas 7 to 10 ft. .SUN...S winds 10 to 20 kt. Seas 6 to 7 ft. .SUN NIGHT...SW winds 15 to 25 kt. Seas 7 to 10 ft. .MON...W winds 15 to 25 kt. Seas 8 to 11 ft. .MON NIGHT...NW winds 10 to 20 kt. Seas 8 to 11 ft. .TUE...NW winds 10 to 20 kt. Seas 7 to 9 ft. .TUE NIGHT...N winds 15 to 20 kt. Seas 7 to 9 ft. .WED...N winds 15 to 20 kt. Seas 7 to 9 ft. .WED NIGHT...N winds 10 to 20 kt. Seas 6 to 9 ft. ATLC waters from 27N to 31N between 65W and 77W ...GALE WARNING... .TODAY...W winds 20 to 30 kt W of 70W, and SW 25 to 35 kt elsewhere. Seas 10 to 14 ft. .TONIGHT...NW winds 15 to 25 kt W of 70W, and W 20 to 30 kt elsewhere. Seas 8 to 13 ft W of 70W, and 11 to 15 ft elsewhere. .SUN...W of 70W, N winds 10 to 20 kt, becoming W less than 10 kt in the afternoon. Elsewhere, NW winds 15 to 25 kt. Seas 8 to 11 ft W of 70W, and 12 to 17 ft elsewhere. .SUN NIGHT...S winds 15 to 25 kt W of 70W, and NW 10 to 20 kt elsewhere. Seas 8 to 11 ft W of 70W, and 12 to 17 ft elsewhere. .MON...SW winds 15 to 25 kt. Seas 9 to 13 ft. .MON NIGHT...W winds 15 to 25 kt. Seas 8 to 12 ft. .TUE...W winds 15 to 25 kt. Seas 8 to 13 ft. .TUE NIGHT...NW winds 10 to 20 kt. Seas 8 to 11 ft. .WED...NW winds 15 to 25 kt. Seas 9 to 12 ft. .WED NIGHT...NW winds 15 to 25 kt. Seas 9 to 14 ft. Bahamas N of 22N .TODAY...W winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...NW winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 4 to 6 ft. .SUN...S winds less than 10 kt. Seas 3 to 5 ft. .SUN NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. .MON...SW winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...SW winds 10 to 15 kt. 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...N winds 10 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...SW winds 15 to 25 kt. Seas 9 to 11 ft. .TONIGHT...NW winds 10 to 20 kt W of 70W, and W 15 to 25 kt elsewhere. Seas 8 to 12 ft. .SUN...NW winds 10 to 20 kt. Seas 7 to 10 ft. .SUN NIGHT...W of 70W, SE winds 10 to 15 kt. Elsewhere, N winds 10 to 15 kt, shifting to NE after midnight. Seas 6 to 9 ft W of 70W, and 8 to 11 ft elsewhere. .MON...S winds 10 to 15 kt. Seas 8 to 11 ft. .MON NIGHT...SW winds 10 to 15 kt. Seas 7 to 10 ft. .TUE...SW winds 10 to 20 kt. Seas 6 to 9 ft. .TUE NIGHT...W winds 10 to 15 kt. Seas 7 to 10 ft. .WED...W winds 10 to 20 kt. Seas 6 to 9 ft. .WED NIGHT...N winds 10 to 20 kt. Seas 7 to 10 ft. ATLC waters S of 22N W of 65W .TODAY...SW winds less than 10 kt. Seas 6 to 8 ft. .TONIGHT...SW winds less than 10 kt. Seas 5 to 7 ft. .SUN...NW winds less than 10 kt. Seas 4 to 6 ft. .SUN NIGHT...N winds 10 kt, shifting to SE less than 10 kt after midnight. Seas 3 to 5 ft. .MON...SE winds less than 10 kt. Seas 4 to 6 ft. .MON NIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft. .TUE...SE winds less than 10 kt. Seas 4 to 6 ft. .TUE NIGHT...SE winds 10 to 15 kt, shifting to S after midnight. Seas 4 to 6 ft. .WED...S winds less than 10 kt, shifting to SW in the afternoon. Seas 4 to 6 ft. .WED NIGHT...W winds 15 to 25 kt. Seas 5 to 7 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...SE winds 10 kt. Seas 10 to 12 ft. .TONIGHT...S winds 10 to 15 kt. Seas 8 to 11 ft. .SUN...SW winds 10 to 15 kt. Seas 7 to 9 ft. .SUN NIGHT...W winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 6 to 7 ft. .MON...W winds less than 10 kt. Seas 6 to 9 ft. .MON NIGHT...Variable winds less than 10 kt, becoming E 10 kt after midnight. Seas 8 to 11 ft. .TUE...SE winds less than 10 kt. Seas 8 to 10 ft. .TUE NIGHT...E winds less than 10 kt. Seas 7 to 9 ft. .WED...SE winds 10 kt. Seas 7 to 9 ft. .WED NIGHT...S winds 10 to 15 kt. Seas 7 to 8 ft.