000 FZNT31 KNHC 010926 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 526 AM EDT Sat Aug 1 2020 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...Hurricane Isaias is moving through the Central Bahamas, centered near 23.9N 77.0W 988 mb at 0900 UTC moving NW at 10 kt. Maximum sustained winds 75 kt gusts 90 kt. Isaias will continue NW through the Central Bahamas this morning veer N-NW through the NW Bahamas and just offshore of S Florida through this evening, then move parallel to the central and north Florida coast tonight through Sun night and away from the region. Fresh to strong tradewind flow will persist from Colombia to Hispaniola today, then diminish late this afternoon. A tropical wave will bring increasing winds and seas to the waters N of 15N and E of 60W late tonight through Sun night. NW Caribbean W of 85W .TODAY...NE winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 3 to 4 ft. .SUN...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .SUN NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 ft in the evening, subsiding to 2 ft or less. .MON...SE winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...E winds 10 to 15 kt. Seas 2 ft or less. .TUE...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 2 ft or less. .TUE NIGHT...E winds 10 to 15 kt. Seas 2 ft or less. .WED...E winds 10 kt. Seas 2 ft or less. Caribbean N of 15N between 72W and 85W .TODAY...SE winds 10 to 20 kt. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft S of 18N, and 3 ft elsewhere. .SUN...SE winds 10 to 20 kt. Seas 3 to 5 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. .MON...E winds 10 to 20 kt. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. .MON NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. .TUE...E winds 10 to 20 kt. Seas 4 to 6 ft S of 18N, and 2 ft or less elsewhere. .TUE NIGHT...E winds 10 to 20 kt. S of 18N, seas 3 to 5 ft. Elsewhere, seas 2 ft or less, building to 3 ft after midnight. .WED...E winds 10 to 20 kt. Seas 4 to 6 ft S of 18N, and 3 to 4 ft elsewhere. Caribbean from 11N to 15N W of 72W .TODAY...E winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...NE winds 15 to 25 kt. Seas 4 to 6 ft. .SUN...E winds 10 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .MON...E winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...NE 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. SW Caribbean S of 11N .TODAY...N winds less than 10 kt. Seas 3 to 4 ft. .TONIGHT...N winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 4 ft. .SUN...N winds 10 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...N winds 10 to 20 kt. Seas 3 to 4 ft. .MON...NE winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...N winds less than 10 kt. Seas 3 to 4 ft. .TUE...NW winds less than 10 kt. Seas 3 to 4 ft. .TUE NIGHT...Variable winds less than 10 kt. Seas 3 ft. .WED...S winds less than 10 kt. Seas 3 ft. Caribbean between 64W and 72W .TODAY...E winds 10 to 20 kt Gulf of Venezuela, and E 15 to 25 kt elsewhere. Seas 3 to 4 ft Gulf of Venezuela, and 5 to 7 ft elsewhere. .TONIGHT...E winds 10 to 20 kt. Seas 3 ft Gulf of Venezuela, and 4 to 6 ft elsewhere. .SUN...E winds 10 to 20 kt. Seas 3 ft Gulf of Venezuela, and 4 to 6 ft elsewhere. .SUN NIGHT...NE winds 10 to 20 kt Gulf of Venezuela, and E 15 to 25 kt elsewhere. Seas 3 ft Gulf of Venezuela, and 4 to 6 ft elsewhere. .MON...Gulf of Venezuela, E winds 10 to 20 kt, shifting to SW 10 kt in the afternoon,Seas 3 ft in the morning, subsiding to 2 ft or less. Elsewhere, SE winds 15 to 25 kt,Seas 4 to 6 ft. .MON NIGHT...NE winds 10 to 15 kt Gulf of Venezuela, and E 15 to 25 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 4 to 6 ft elsewhere. .TUE...E winds 10 to 20 kt. Seas 2 ft or less Gulf of Venezuela, and 4 to 6 ft elsewhere. .TUE NIGHT...NE winds 10 to 20 kt Gulf of Venezuela, and E 15 to 25 kt elsewhere. Gulf of Venezuela, seas 2 ft or less, building to 3 ft after midnight. Elsewhere, seas 5 to 7 ft. .WED...E winds 10 to 20 kt Gulf of Venezuela, and E 15 to 25 kt elsewhere. Seas 3 ft Gulf of Venezuela, and 5 to 7 ft elsewhere. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TODAY...E winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...SE winds 15 to 25 kt. Seas 4 to 6 ft. .SUN NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .MON...SE winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 15 kt. Seas 4 to 6 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. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TODAY...SE winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...SE winds 10 to 20 kt. Seas 3 to 5 ft. .SUN NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .MON...SE winds 10 to 20 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. Seas 3 to 5 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. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...Hurricane Isaias is moving through the Central Bahamas, centered near 23.9N 77.0W 988 mb at 0900 UTC moving NW at 10 kt. Maximum sustained winds 75 kt gusts 90 kt. Isaias will move through the NW Bahamas this afternoon, then begin to veer N-NW and move near the SE coast of Florida, reaching near 26.3N 79.2W tonight, then continue northward and just offshore of the east coast of Florida, reaching near 29.1N 80.3W Sun night. Isaias will then accelerate and exit the area Mon afternoon. Very large seas in SE swell are expected over a large portion of the SW North Atlantic waters near and offshore of the Bahamas today and spread northward across the waters W of 75W tonight through Sun night, then move N of the region early next week. ATLC waters from 27N to 31N W of 77W ...HURRICANE WARNING... .TODAY...TROPICAL STORM CONDITIONS POSSIBLE. SE winds 20 to 30 kt. Seas 8 to 12 ft. .TONIGHT...TROPICAL STORM CONDITIONS EXPECTED. E winds 30 to 40 kt, becoming SE 40 to 50 kt after midnight. Seas 8 to 13 ft. .SUN...TROPICAL STORM CONDITIONS EXPECTED. SE winds 45 to 60 kt. Seas 10 to 15 ft. .SUN NIGHT...TROPICAL STORM CONDITIONS EXPECTED. SE winds 45 to 60 kt. Seas 10 to 15 ft. .MON...HURRICANE CONDITIONS POSSIBLE. S winds 50 to 65 kt. Seas 10 to 15 ft. .MON NIGHT...S winds 20 to 30 kt. Seas 7 to 10 ft. .TUE...S winds 15 to 25 kt. Seas 6 to 9 ft. .TUE NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft. .WED...S winds 10 to 15 kt. Seas 4 to 5 ft. ATLC waters from 27N to 31N between 65W and 77W .TODAY...SE winds 15 to 25 kt W of 70W, and S 10 to 15 kt elsewhere. Seas 7 to 10 ft W of 70W, and 5 to 6 ft elsewhere. .TONIGHT...SE winds 20 to 30 kt W of 70W, and SE 10 to 15 kt elsewhere. Seas 6 to 9 ft W of 70W, and 5 to 6 ft elsewhere. .SUN...SE winds 20 to 30 kt W of 70W, and SE 10 to 20 kt elsewhere. Seas 6 to 9 ft W of 70W, and 4 to 5 ft elsewhere. .SUN NIGHT...SE winds 15 to 25 kt W of 70W, and E 10 to 15 kt elsewhere. Seas 5 to 7 ft. .MON...SE winds 15 to 25 kt W of 70W, and E 10 to 20 kt elsewhere. Seas 5 to 7 ft. .MON NIGHT...SE winds 15 to 25 kt W of 70W, and E 10 to 20 kt elsewhere. Seas 5 to 7 ft. .TUE...SE winds 15 to 25 kt W of 70W, and SE 10 to 20 kt elsewhere. Seas 5 to 7 ft. .TUE NIGHT...S winds 10 to 20 kt. Seas 5 to 7 ft. .WED...S winds 10 to 15 kt. Seas 4 to 6 ft. Bahamas N of 22N ...HURRICANE WARNING... .TODAY...HURRICANE CONDITIONS EXPECTED. SE winds 60 to 70 kt. Seas 7 to 10 ft. .TONIGHT...HURRICANE CONDITIONS EXPECTED. SE winds 60 to 70 kt. Seas 6 to 9 ft. .SUN...TROPICAL STORM CONDITIONS EXPECTED. SE winds 50 to 60 kt, diminishing to 30 to 40 kt in the afternoon. Seas 5 to 7 ft. .SUN NIGHT...SE winds 15 to 25 kt. Seas 3 to 5 ft. .MON...SE winds 10 to 20 kt. Seas 3 to 5 ft. .MON NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...SE winds 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...SE winds 10 to 20 kt. Seas 3 to 4 ft. .WED...SE winds 10 to 20 kt. Seas 3 to 4 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...SE winds 15 to 25 kt W of 70W, and E 10 to 20 kt elsewhere. Seas 8 to 11 ft W of 70W, and 6 to 8 ft elsewhere. .TONIGHT...SE winds 20 to 30 kt W of 70W, and E 10 to 20 kt elsewhere. Seas 6 to 8 ft. .SUN...SE winds 20 to 30 kt W of 70W, and E 15 to 20 kt elsewhere. Seas 6 to 7 ft. .SUN NIGHT...E winds 15 to 25 kt W of 70W, and E 10 to 20 kt elsewhere. Seas 6 to 7 ft. .MON...E winds 15 to 20 kt W of 70W, and E 20 to 30 kt elsewhere. Seas 6 to 8 ft. .MON NIGHT...E winds 10 to 15 kt W of 70W, and SE 15 to 25 kt elsewhere. Seas 5 to 6 ft W of 70W, and 7 to 10 ft elsewhere. .TUE...SE winds 10 to 20 kt. Seas 6 to 8 ft. .TUE NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .WED...SE winds 10 to 20 kt. Seas 4 to 5 ft. ATLC waters S of 22N W of 65W .TODAY...E winds 15 to 25 kt. Seas 6 to 8 ft. .TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...E winds 10 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .MON...E winds 10 to 20 kt. Seas 4 to 6 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 20 kt. Seas 3 to 5 ft. .WED...E winds 10 to 20 kt. Seas 3 to 5 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...E winds 10 to 20 kt. Seas 6 to 7 ft. .TONIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .SUN...E winds 20 to 30 kt. Seas 6 to 9 ft. .SUN NIGHT...E winds 20 to 30 kt. Seas 6 to 9 ft. .MON...SE winds 10 to 20 kt. Seas 6 to 8 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. .TUE...E winds 10 to 15 kt. Seas 5 to 6 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .WED...E winds 10 to 15 kt. Seas 4 to 5 ft.