000 FZNT31 KNHC 152025 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 325 PM EST Wed Feb 15 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...A persistent subtropical ridge north of the area will sustain fresh to strong easterly trades through the forecast period. Winds will pulse nightly to gale force off the coast of Colombia into early next week. Elsewhere, large NE to E swell with seas to 10 ft is over the tropical N Atlantic. Winds and seas in this region will slowly diminish through tonight. However, a new area of northerly swell will enter the tropical Atlantic Thu, persisting into the weekend. Winds will increase to strong speeds east of the Leeward Islands Thu night into Sat. NW Caribbean W of 85W .TONIGHT...E winds 15 to 25 kt. Seas 5 to 7 ft. .THU...SE winds 15 to 25 kt. Seas 5 to 7 ft. .THU NIGHT...SE winds 15 to 25 kt. Seas 5 to 7 ft. .FRI...E winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...E winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .MON...E winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. Caribbean N of 15N between 72W and 85W .TONIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .THU...E winds 10 to 20 kt. Seas 5 to 7 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft S of 18N, and 3 to 5 ft elsewhere. .FRI...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 6 to 8 ft S of 18N, and 3 to 5 ft elsewhere. .FRI NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .SAT...NE 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. .MON...E winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. Caribbean from 11N to 15N W of 72W ...GALE WARNING TONIGHT AND THU NIGHT... ...GALE CONDITIONS POSSIBLE AT NIGHT FRI THROUGH MON... .TONIGHT...E winds 25 to 35 kt within 90 nm of coast of Colombia, and E 15 to 25 kt elsewhere. Seas 7 to 10 ft. .THU...E winds 20 to 30 kt within 90 nm of coast of Colombia, and E 15 to 25 kt elsewhere. Seas 7 to 10 ft. .THU NIGHT...E winds 25 to 35 kt within 90 nm of coast of Colombia, and E 15 to 25 kt elsewhere. Seas 8 to 11 ft. .FRI...E winds 20 to 30 kt within 90 nm of coast of Colombia, and E 15 to 25 kt elsewhere. Seas 8 to 11 ft. .FRI NIGHT...E winds 25 to 35 kt within 90 nm of coast of Colombia, and NE winds 15 to 25 kt. Seas 8 to 11 ft. .SAT...NE winds 15 to 25 kt. Seas 8 to 11 ft. .SAT NIGHT...E winds 25 to 35 kt within 90 nm of coast of Colombia, and NE winds 15 to 25 kt. Seas 8 to 11 ft. .SUN...NE winds 15 to 25 kt. Seas 8 to 11 ft. .SUN NIGHT...E winds 25 to 35 kt within 90 nm of coast of Colombia, and NE winds 15 to 25 kt. Seas 7 to 10 ft. .MON...E winds 15 to 25 kt. Seas 7 to 10 ft. .MON NIGHT...E winds 25 to 35 kt within 90 nm of coast of Colombia, and E winds 15 to 25 kt. Seas 7 to 10 ft. SW Caribbean S of 11N .TONIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .THU...NE winds 10 to 20 kt. Seas 7 to 10 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .FRI...NE winds 10 to 20 kt. Seas 7 to 10 ft. .FRI NIGHT...NE winds 15 to 25 kt. Seas 7 to 10 ft. .SAT...NE winds 15 to 25 kt. Seas 8 to 11 ft. .SAT NIGHT...NE winds 15 to 25 kt. Seas 8 to 11 ft. .SUN...NE winds 10 to 20 kt. Seas 8 to 11 ft. .SUN NIGHT...NE winds 15 to 25 kt. Seas 7 to 10 ft. .MON...NE winds 10 to 20 kt. Seas 8 to 11 ft. .MON NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. Caribbean between 64W and 72W .TONIGHT...E winds 20 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 3 to 5 ft Gulf of Venezuela, and 6 to 8 ft elsewhere. .THU...E winds 20 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 3 to 5 ft Gulf of Venezuela, and 6 to 8 ft elsewhere. .THU NIGHT...E winds 20 to 25 kt Gulf of Venezuela, and E 15 to 25 kt elsewhere. Seas 3 to 5 ft Gulf of Venezuela, and 6 to 8 ft elsewhere. .FRI...E winds 15 to 25 kt. Seas 3 to 4 ft Gulf of Venezuela, and 6 to 8 ft elsewhere. .FRI NIGHT...E winds 15 to 25 kt. Seas 6 to 8 ft. .SAT...E winds 10 to 20 kt. Seas 6 to 8 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .SUN...E winds 10 to 20 kt. Seas 6 to 8 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .MON...E winds 10 to 20 kt. Seas 6 to 8 ft. .MON 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 .TONIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .THU...NE winds 10 to 20 kt. Seas 6 to 8 ft. .THU NIGHT...NE winds 15 to 25 kt. Seas 7 to 10 ft. .FRI...NE winds 15 to 25 kt. Seas 8 to 11 ft. .FRI NIGHT...NE winds 15 to 25 kt. Seas 8 to 11 ft. .SAT...NE winds 10 to 20 kt. Seas 8 to 11 ft. .SAT NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .SUN...NE winds 10 to 20 kt. Seas 6 to 9 ft. .SUN NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .MON...NE winds 10 to 20 kt. Seas 6 to 8 ft. .MON 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 .TONIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .THU...NE 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...NE winds 10 to 20 kt. Seas 7 to 10 ft. .SAT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .SAT NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .SUN...NE winds 10 to 20 kt. Seas 7 to 10 ft. .SUN NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .MON...NE winds 10 to 15 kt. Seas 6 to 8 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A weakening cold front extends from 31N47W to 24N58W, where it transitions into a shear line to 21N73W. The frontal boundary will continue moving eastward, exiting the basin tonight. A building ridge north of the area will strengthen the trades south of 25N tonight into Sat, with seas in this zone increasing to 11 ft. A cold front is forecast to enter the Gulf on Thu and will reach the waters off NE Florida late Fri. This will support strong winds ahead and behind the frontal boundary Fri night into Sat as the frontal boundary moves eastward, mainly N of 28N. Also, a low pressure will develop this weekend along the weakening cold front in the eastern waters and the gradient between the low and the ridge will sustain strong NE winds N of 24N and E of 50W. Seas will build to 12 ft by Sat. ATLC waters from 27N to 31N W of 77W .TONIGHT...SE winds 10 to 15 kt. Seas 4 to 5 ft. .THU...SE winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...S winds 10 to 20 kt. Seas 5 to 6 ft. .FRI...S winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...W winds 10 to 20 kt. Seas 6 to 8 ft. .SAT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .SUN...SE winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 6 to 8 ft. .SUN NIGHT...SW winds less than 10 kt. Seas 4 to 6 ft. .MON...SW winds 10 to 15 kt. Seas 4 to 5 ft. .MON NIGHT...SW winds 10 to 15 kt. Seas 3 to 5 ft. ATLC waters from 27N to 31N between 65W and 77W .TONIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .THU...SE winds 10 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft. .FRI...S winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...S winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...W winds 10 to 20 kt. Seas 6 to 8 ft. .SAT NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .SUN...E winds 10 to 15 kt. Seas 6 to 8 ft. .SUN NIGHT...SW winds less than 10 kt. Seas 5 to 7 ft. .MON...SW winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 4 to 6 ft. .MON NIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Bahamas N of 22N .TONIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .THU...E winds 10 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .FRI...SE winds 10 to 20 kt. Seas 3 to 5 ft. .FRI NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 5 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. .MON...SE winds less than 10 kt. Seas 3 to 5 ft. .MON NIGHT...SE winds less than 10 kt. Seas 3 to 4 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TONIGHT...E winds 15 to 20 kt. Seas 6 to 8 ft. .THU...E winds 10 to 20 kt. Seas 6 to 9 ft. .THU NIGHT...E winds 15 to 20 kt. Seas 7 to 9 ft. .FRI...SE winds 10 to 15 kt W of 70W, and E 10 to 20 kt elsewhere. Seas 6 to 9 ft. .FRI NIGHT...SE winds 10 to 15 kt. Seas 6 to 9 ft. .SAT...SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 6 to 8 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .SUN...E winds 10 to 15 kt. Seas 5 to 7 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .MON...SE winds less than 10 kt. Seas 5 to 6 ft. .MON NIGHT...SE winds less than 10 kt. Seas 4 to 6 ft. ATLC waters S of 22N W of 65W .TONIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .THU...E winds 10 to 20 kt. Seas 7 to 10 ft. .THU NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. .FRI...E winds 10 to 20 kt. Seas 7 to 10 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .SAT...E winds 10 to 20 kt. Seas 6 to 9 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .SUN...E winds 10 to 20 kt. Seas 6 to 8 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .MON...E winds 10 to 15 kt. Seas 5 to 7 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. ATLC waters from 19N to 22N between 55W and 65W .TONIGHT...NE winds 15 to 25 kt. Seas 6 to 9 ft. .THU...NE winds 15 to 25 kt. Seas 7 to 10 ft. .THU NIGHT...NE winds 20 to 25 kt. Seas 9 to 11 ft. .FRI...E winds 20 to 25 kt. Seas 10 to 11 ft. .FRI NIGHT...E winds 20 to 25 kt. Seas 10 to 11 ft. .SAT...E winds 15 to 20 kt. Seas 9 to 11 ft. .SAT NIGHT...NE winds 15 to 20 kt. Seas 8 to 9 ft. .SUN...NE winds 15 to 20 kt. Seas 7 to 9 ft. .SUN NIGHT...NE winds 15 to 20 kt. Seas 7 to 8 ft. .MON...NE winds 10 to 15 kt. Seas 6 to 8 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 6 to 7 ft.