000 FZNT31 KNHC 291518 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1118 AM EDT Tue Aug 29 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...Hurricane Idalia is in the Gulf of Mexico near 24.6N 84.8W at 11 AM EDT, and is moving north at 12 kt. Maximum sustained winds are 75 kt with gusts to 90 kt, and the minimum central pressure is 976 mb. fresh to strong southerly winds associated with the cyclonic circulation of Idalia continue to affect the NW Caribbean with seas of 8 to 12 ft, highest near the south coast of Pinar Rio and W of the Isle of Youth. Conditions will gradually improve today and tonight. Elsewhere, expect increasing trades and bulling seas over the south-central Caribbean the remainder of the week. NW Caribbean W of 85W .THIS AFTERNOON...SW winds 15 to 25 kt. Seas 4 to 6 ft. .TONIGHT...S winds 10 to 20 kt. Seas 3 to 5 ft. .WED...S winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .THU...S winds 10 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...E winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...E winds 10 to 15 kt. Seas 3 to 4 ft. Caribbean N of 15N between 72W and 85W .THIS AFTERNOON...SE winds 10 to 20 kt S of 18N, and SE 15 to 25 kt elsewhere. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 20 kt S of 18N, and SE 15 to 25 kt elsewhere. Seas 3 to 5 ft. .WED...SE winds 10 to 20 kt. Seas 3 to 5 ft. .WED NIGHT...E winds 15 to 25 kt S of 18N, and SE 10 to 15 kt elsewhere. Seas 3 to 5 ft. .THU...E winds 15 to 25 kt S of 18N, and SE 10 to 15 kt elsewhere. Seas 4 to 6 ft S of 18N, and 3 to 4 ft elsewhere. .THU NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft S of 18N, and 3 ft elsewhere. .FRI...E winds 10 to 20 kt. Seas 5 to 7 ft S of 18N, and 3 ft elsewhere. .FRI NIGHT...E winds 10 to 20 kt. S of 18N, seas 4 to 6 ft. Elsewhere, seas 3 ft in the evening, subsiding to 2 ft or less. .SAT...E winds 10 to 20 kt. Seas 4 to 6 ft S of 18N, and 2 ft or less elsewhere. Caribbean from 11N to 15N W of 72W .THIS AFTERNOON...E winds 10 to 20 kt. Seas 3 ft. .TONIGHT...E winds 15 to 25 kt. Seas 3 to 5 ft. .WED...E winds 15 to 25 kt. Seas 6 to 8 ft within 90 nm of coast of Colombia, and 3 to 5 ft elsewhere. .WED NIGHT...E winds 15 to 25 kt. Seas 6 to 7 ft within 90 nm of coast of Colombia, and 4 to 6 ft elsewhere. .THU...E winds 15 to 25 kt. Seas 5 to 7 ft. .THU NIGHT...E 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 15 to 25 kt. Seas 5 to 7 ft. .SAT...E winds 10 to 20 kt. Seas 5 to 7 ft. SW Caribbean S of 11N .THIS AFTERNOON...SE winds less than 10 kt. Seas 2 ft or less. .TONIGHT...NE winds less than 10 kt. Seas 2 ft or less. .WED...N winds 10 to 15 kt. Seas 2 ft or less. .WED NIGHT...N winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 4 ft. .THU...N winds 10 to 15 kt, shifting to NW in the afternoon. Seas 3 to 5 ft. .THU NIGHT...N winds less than 10 kt. Seas 3 to 5 ft. .FRI...SE winds less than 10 kt, shifting to W in the afternoon. Seas 3 to 5 ft. .FRI NIGHT...N winds less than 10 kt. Seas 3 to 5 ft. .SAT...NW winds less than 10 kt. Seas 3 to 5 ft. Caribbean between 64W and 72W .THIS AFTERNOON...E winds 10 to 20 kt. Seas 3 ft Gulf of Venezuela, and 4 to 6 ft elsewhere. .TONIGHT...E winds 15 to 25 kt. Seas 4 to 6 ft. .WED...E winds 10 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...E winds 15 to 25 kt. Seas 5 to 7 ft. .THU...E winds 10 to 20 kt Gulf of Venezuela, and E 15 to 25 kt elsewhere. Seas 3 to 5 ft Gulf of Venezuela, and 5 to 7 ft elsewhere. .THU NIGHT...E winds 15 to 25 kt. Seas 5 to 7 ft. .FRI...E winds 15 to 25 kt. Seas 3 to 5 ft Gulf of Venezuela, and 5 to 7 ft elsewhere. .FRI NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SAT...E winds 10 to 20 kt. Seas 4 to 6 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...E 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 15 kt. Seas 3 to 5 ft. .FRI...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...E winds 10 to 15 kt. Seas 3 to 4 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .WED...E winds 10 to 20 kt. Seas 3 to 5 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .THU...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...E winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 3 to 4 ft. .SAT...E winds 10 to 20 kt. Seas 3 to 4 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...Hurricane Franklin is near 30.8N 70.4W at 11 AM EDT, and is moving north-northeast at 10 kt. Maximum sustained winds are 115 kt with gusts to 140 kt, and the minimum central pressure is 941 mb. Franklin will move N of area to near 32.0N 69.6W this evening. Meanwhile, Hurricane Idalia is near 24.6N 84.8W at 11 AM EDT, and is moving north at 12 kt. Maximum sustained winds are 75 kt with gusts to 90 kt, and the minimum central pressure is 976 mb. Idalia will move to 26.5N 84.6W this evening, 29.3N 83.7W Wed morning, move inland and weaken to a tropical storm near 31.8N 81.7W Wed evening, 33.5N 78.8W Thu morning, 34.1N 75.6W Thu evening, and 33.8N 73.0W Fri morning. Idalia will change little in intensity as it moves to near 32.5N 70.2W early Sat. Expect increasing winds and building seas E of Florida beginning late tonight as Idalia moves across the Eastern Gulf of Mexico. ATLC waters from 27N to 31N W of 77W ...TROPICAL STORM WARNING... .THIS AFTERNOON...SW winds less than 10 kt. Seas 6 to 8 ft. .TONIGHT...S winds 10 to 20 kt. Seas 6 to 8 ft. .WED...TROPICAL STORM CONDITIONS POSSIBLE. S winds 20 to 30 kt. Seas 6 to 9 ft. .WED NIGHT...TROPICAL STORM CONDITIONS EXPECTED. SW winds 25 to 35 kt. Seas 7 to 10 ft. .THU...SW winds 20 to 30 kt. Seas 7 to 10 ft. .THU NIGHT...W winds 10 to 20 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 6 to 9 ft. .SAT...NE winds 10 to 15 kt. Seas 7 to 10 ft. ATLC waters from 27N to 31N between 65W and 77W ...HURRICANE WARNING... .THIS AFTERNOON...TROPICAL STORM CONDITIONS. W winds 85 to 105 kt W of 70W, and S 60 to 70 kt elsewhere. Seas 10 to 15 ft. .TONIGHT...TROPICAL STORM CONDITIONS EXPECTED. W of 70W, W winds 35 to 45 kt, diminishing to 20 to 30 kt after midnight,Seas 9 to 14 ft, subsiding to 8 to 11 ft after midnight. Elsewhere, SW winds 40 to 50 kt, diminishing to 25 to 35 kt after midnight,Seas 10 to 15 ft. .WED...SW winds 15 to 25 kt W of 70W, and W 20 to 30 kt elsewhere. Seas 6 to 9 ft W of 70W, and 8 to 13 ft elsewhere. .WED NIGHT...SW winds 20 to 30 kt W of 70W, and W 10 to 20 kt elsewhere. Seas 4 to 6 ft W of 70W, and 7 to 10 ft elsewhere. .THU...SW winds 20 to 30 kt W of 70W, and W 10 to 15 kt elsewhere. Seas 5 to 7 ft. .THU NIGHT...W of 70W, SW winds 15 to 25 kt. Elsewhere, W winds less than 10 kt, shifting to SW after midnight. Seas 5 to 7 ft W of 70W, and 3 to 5 ft elsewhere. .FRI...W winds 10 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...W winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...TROPICAL STORM CONDITIONS POSSIBLE. Bahamas N of 22N .THIS AFTERNOON...S winds 10 to 15 kt. Seas 3 ft. .TONIGHT...SE winds 10 to 20 kt. Seas 3 ft. .WED...S winds 10 to 20 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. .WED NIGHT...S winds 10 to 20 kt. Seas 2 ft or less. .THU...SE winds 10 to 15 kt. Seas 2 ft or less. .THU NIGHT...SE winds 10 to 15 kt. Seas 2 ft or less. .FRI...SE winds 10 to 15 kt, shifting to E in the afternoon. Seas 2 ft or less. .FRI NIGHT...NE winds less than 10 kt. Seas 2 ft or less. .SAT...NE winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 2 ft or less. ATLC waters from 22N to 27N between 65W and the Bahamas .THIS AFTERNOON...SW winds 10 to 20 kt. Seas 6 to 9 ft. .TONIGHT...SW winds 10 to 20 kt. Seas 6 to 8 ft. .WED...S winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. .THU...S winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .FRI NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. .SAT...W of 70W, E winds less than 10 kt, shifting to NE in the afternoon. Elsewhere, S winds less than 10 kt. Seas 3 to 4 ft. ATLC waters S of 22N W of 65W .THIS AFTERNOON...SE winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .WED...SE winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .THU...E 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 20 kt. Seas 3 to 5 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 3 to 4 ft. .SAT...E winds 10 to 15 kt. Seas 3 to 4 ft in the morning, subsiding to 2 ft or less. ATLC waters from 19N to 22N between 55W and 65W .THIS AFTERNOON...SE winds 10 to 15 kt. Seas 4 ft. .TONIGHT...E winds 10 to 15 kt. Seas 4 ft. .WED...E winds 10 to 15 kt. Seas 4 to 5 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .THU...E winds 10 to 15 kt. Seas 4 to 5 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .FRI...E winds 10 to 15 kt. Seas 4 to 5 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 4 ft. .SAT...E winds less than 10 kt. Seas 3 to 4 ft.