000 FZNT31 KNHC 032104 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 504 PM EDT Mon Aug 3 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...The Bermuda High north of the area along with the eastward extension of the NE Pacific monsoon trough will contribute toward fresh to strong E trades over the central Caribbean from Tue through Fri. Elsewhere winds and seas are quiescent. No tropical cyclone formation is expected in these waters for the next several days. NW Caribbean W of 85W .TONIGHT...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 THROUGH SAT...E winds 10 to 20 kt. Seas 3 to 5 ft. Caribbean N of 15N between 72W and 85W .TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft S of 18N, and 2 ft or less elsewhere. .TUE...E winds 15 to 25 kt S of 18N, and E 10 to 20 kt elsewhere. Seas 5 to 7 ft S of 18N, and 3 ft elsewhere. .TUE NIGHT THROUGH SAT...E winds 15 to 25 kt S of 18N, and E 10 to 20 kt elsewhere. Seas 6 to 9 ft S of 18N, and 4 to 6 ft elsewhere. Caribbean from 11N to 15N W of 72W .TONIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .TUE...E winds 10 to 20 kt within 90 nm of coast of Colombia, and E 15 to 25 kt elsewhere. Seas 5 to 7 ft. .TUE NIGHT THROUGH SAT...E winds 15 to 25 kt. Seas 6 to 9 ft. SW Caribbean S of 11N .TONIGHT...N winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 5 ft. .TUE...NE winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 3 to 4 ft. .TUE NIGHT...NW winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 3 to 4 ft. .WED AND WED NIGHT...SW winds less than 10 kt. Seas 3 to 5 ft. .THU THROUGH SAT...N winds 10 to 15 kt. Seas 4 to 6 ft. Caribbean between 64W and 72W .TONIGHT...NE 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. .TUE...Gulf of Venezuela, SE winds 10 to 15 kt, shifting to NE in the afternoon. Elsewhere, E winds 15 to 25 kt. Seas 3 to 4 ft Gulf of Venezuela, and 5 to 7 ft elsewhere. .TUE NIGHT THROUGH SAT...E winds 15 to 25 kt. Seas 5 to 7 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TONIGHT...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 THROUGH SAT...E winds 10 to 20 kt. Seas 4 to 6 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TONIGHT...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 THROUGH SAT...E winds 10 to 20 kt. Seas 4 to 6 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...Tropical Storm Isaias near 32.0N 79.4W 993 mb at 5 PM EDT moving NNE at 14 kt. Maximum sustained winds 60 kt gusts 75 kt. Isaias is expected to become a hurricane, then move inland to 34.7N 78.1W Tue morning, well north of the area. Large seas north of 28N associated with Isaias will spread northward across the waters west of 75W today, then gradually subside late tonight through Tue night. A trough from 23N65W to 28N65W will move across the SE waters today. Environmental conditions are conducive for development during the next few days as this system moves northwestward near 15 kt, and a tropical depression could form later this week. ATLC waters from 27N to 31N W of 77W ...TROPICAL STORM WARNING... .TONIGHT...S winds 20 to 35 kt. Seas 8 to 13 ft, subsiding to 7 to 10 ft after midnight. .TUE...S winds 10 to 20 kt. Seas 6 to 9 ft. .TUE NIGHT THROUGH FRI NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...W winds less than 10 kt, shifting to N in the afternoon. Seas 3 ft. ATLC waters from 27N to 31N between 65W and 77W .TONIGHT...SE winds 20 to 30 kt W of 70W, and E 10 to 20 kt elsewhere. Seas 6 to 8 ft. .TUE...SE winds 10 to 20 kt. Seas 5 to 7 ft. .TUE NIGHT AND WED...S winds 10 to 15 kt W of 70W, and S less than 10 kt elsewhere. Seas 4 to 6 ft. .WED NIGHT THROUGH FRI NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...S winds less than 10 kt. Seas 3 to 4 ft. Bahamas N of 22N .TONIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...SE winds 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT THROUGH SAT...E winds 10 to 15 kt. Seas 3 to 5 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TONIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft. .TUE...SE winds 10 to 15 kt. Seas 5 to 6 ft. .TUE NIGHT AND WED...SE winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT THROUGH THU NIGHT...NE winds 10 to 15 kt W of 70W, and SE less than 10 kt elsewhere. Seas 3 to 5 ft. .FRI THROUGH SAT...SE winds 10 to 15 kt. Seas 3 to 4 ft. ATLC waters S of 22N W of 65W .TONIGHT...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 THROUGH SAT...E winds 10 to 20 kt. Seas 3 to 5 ft. ATLC waters from 19N to 22N between 55W and 65W .TONIGHT...E winds 10 to 15 kt. Seas 6 ft. .TUE...E winds 10 to 15 kt. Seas 5 to 6 ft. .TUE NIGHT THROUGH SAT...E winds 10 to 15 kt. Seas 4 to 6 ft.