814 FZNT31 KNHC 210848 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 448 AM EDT Wed Jun 21 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...Tropical Storm Bret near 12.8N 51.4W 1001 mb at 5 AM EDT moving W at 14 kt. Maximum sustained winds 50 kt gusts 60 kt. Bret will move to 13.1N 53.3W this afternoon, 13.5N 55.7W Thu morning, 13.8N 58.5W Thu afternoon, 14.2N 61.8W Fri morning, 14.5N 65.3W Fri afternoon, and 14.8N 69.0W Sat morning. Bret will weaken to a tropical depression over 15.0N 76.0W by early Sun. An area of low pres currently several hundred nautical miles SW of the Cabo Verde Islands is forecast to move westward at 10-15 kt across the eastern and central tropical Atlantic through the week, possibly reaching and moving through the tropical N Atlantic waters this weekend with a high potential for tropical cyclone formation. Otherwise, the pres gradient between the Bermuda High and the Colombian Low will support fresh to strong E trades across the central Caribbean through early Thu. Moderate to fresh E to SE winds are expected in the Gulf of Honduras through late Wed night, then increase to fresh to strong through Thu, to near gale Thu night and diminish back to fresh to strong Fri. NW Caribbean W of 85W .TODAY...E winds 10 to 20 kt. Seas 3 to 4 ft. .TONIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .THU...SE winds 20 to 30 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 20 to 30 kt. Seas 3 to 5 ft. .FRI...E winds 15 to 25 kt. Seas 3 to 5 ft. .FRI NIGHT...E winds 15 to 25 kt. Seas 3 to 5 ft. .SAT...E winds 10 to 20 kt. Seas 3 to 5 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .SUN...E winds 10 to 20 kt. Seas 3 to 5 ft. Caribbean N of 15N between 72W and 85W .TODAY...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. .TONIGHT...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 to 4 ft elsewhere. .THU...E winds 15 to 25 kt. Seas 5 to 7 ft S of 18N, and 3 to 4 ft elsewhere. .THU NIGHT...E winds 15 to 25 kt. Seas 5 to 7 ft S of 18N, and 3 to 4 ft elsewhere. .FRI...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 to 4 ft elsewhere. .FRI NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft S of 18N, and 3 to 4 ft elsewhere. .SAT...TROPICAL STORM CONDITIONS POSSIBLE. .SAT NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .SUN...S of 18N, E winds 20 to 30 kt, diminishing to 10 to 20 kt in the afternoon. Elsewhere, E winds 10 to 20 kt. Seas 5 to 7 ft S of 18N, and 3 to 4 ft elsewhere. Caribbean from 11N to 15N W of 72W .TODAY...E winds 15 to 25 kt. Seas 6 to 9 ft. .TONIGHT...E winds 15 to 25 kt. Seas 5 to 7 ft. .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 15 to 25 kt. Seas 5 to 7 ft. .FRI NIGHT...E winds 15 to 25 kt. Seas 5 to 7 ft. .SAT...E winds 15 to 25 kt within 90 nm of coast of Colombia, and E 20 to 30 kt elsewhere. Seas 5 to 7 ft. .SAT NIGHT...NE winds 10 to 20 kt within 90 nm of coast of Colombia, and NE 20 to 30 kt elsewhere. Seas 5 to 7 ft. .SUN...E winds 15 to 25 kt. Seas 5 to 7 ft. SW Caribbean S of 11N .TODAY...NE winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...N winds less than 10 kt, shifting to NW after midnight. Seas 4 to 6 ft. .THU...W winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 4 to 6 ft. .THU NIGHT...NW winds less than 10 kt. Seas 3 to 5 ft. .FRI...W winds 10 to 20 kt. Seas 3 to 5 ft. .FRI NIGHT...NW winds less than 10 kt, increasing to 10 to 20 kt after midnight. Seas 3 to 5 ft. .SAT...N winds 10 to 20 kt. Seas 3 to 5 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...E winds 10 to 15 kt, shifting to N in the afternoon. Seas 3 to 5 ft. Caribbean between 64W and 72W .TODAY...E winds 15 to 25 kt. Seas 4 to 6 ft. .TONIGHT...E winds 20 to 30 kt Gulf of Venezuela, and E 15 to 25 kt elsewhere. Seas 4 to 6 ft. .THU...E winds 15 to 25 kt. Seas 4 to 6 ft. .THU NIGHT...NE winds 20 to 30 kt Gulf of Venezuela, and E 15 to 25 kt elsewhere. Seas 4 to 6 ft. .FRI...TROPICAL STORM CONDITIONS POSSIBLE. NE winds 10 to 20 kt Gulf of Venezuela, and E 35 to 45 kt elsewhere. Gulf of Venezuela, seas 4 to 6 ft. Elsewhere, seas 4 to 6 ft, building to 6 to 9 ft in the afternoon. .FRI NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .SAT...TROPICAL STORM CONDITIONS POSSIBLE. .SAT NIGHT...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 6 to 9 ft elsewhere. .SUN...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. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W ...TROPICAL STORM WARNING... .TODAY...E winds 10 to 20 kt. Seas 5 to 7 ft. .TONIGHT...E winds 10 to 20 kt, increasing to 20 to 30 kt after midnight. Seas 5 to 7 ft. .THU...TROPICAL STORM CONDITIONS POSSIBLE. E winds 25 to 35 kt. Seas 6 to 9 ft. .THU NIGHT...TROPICAL STORM CONDITIONS EXPECTED. E winds 30 to 40 kt. Seas 7 to 10 ft. .FRI...TROPICAL STORM CONDITIONS POSSIBLE. E winds 35 to 45 kt. Seas 6 to 9 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...E winds 20 to 30 kt. Seas 3 to 5 ft. .SUN...E winds 20 to 30 kt. Seas 5 to 7 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W ...TROPICAL STORM WARNING... .TODAY...TROPICAL STORM CONDITIONS POSSIBLE. E winds 10 to 20 kt. Seas 3 to 5 ft. .TONIGHT...TROPICAL STORM CONDITIONS EXPECTED. NE winds 20 to 30 kt, becoming E 45 to 55 kt after midnight. Seas 5 to 7 ft. .THU...TROPICAL STORM CONDITIONS EXPECTED. E winds 45 to 55 kt. Seas 6 to 9 ft. .THU NIGHT...TROPICAL STORM CONDITIONS EXPECTED. E winds 40 to 50 kt. Seas 6 to 9 ft. .FRI...TROPICAL STORM CONDITIONS POSSIBLE. E winds 40 to 50 kt. Seas 5 to 7 ft. .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. .SAT NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...E winds 10 to 20 kt. Seas 3 to 5 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS....Broad high pressure ridging extending southwest across the area will continue to control the weather regime throughout during the rest of the forecast period. Moderate to fresh south to southwest winds N of 27N and W of 70W will change little through the end of the week. Otherwise, mainly gentle to moderate anticyclonic winds will prevail the next several days, locally fresh offshore N Hispaniola and offshore N Florida. An area of low pres currently several hundred nautical miles SW of the Cabo Verde Islands is forecast to move westward at 10-15 kt across the eastern and central tropical Atlantic through the week, possibly reaching and moving through the tropical N Atlantic waters this weekend with a high potential for tropical cyclone formation. ATLC waters from 27N to 31N W of 77W .TODAY...S winds 15 to 25 kt. Seas 3 to 5 ft. .TONIGHT...S winds 15 to 25 kt. Seas 3 to 5 ft. .THU...S winds 10 to 20 kt. Seas 3 to 5 ft. .THU NIGHT...S winds 20 to 30 kt. Seas 3 to 5 ft. .FRI...S winds 10 to 20 kt. Seas 3 to 5 ft. .FRI NIGHT...S winds 10 to 20 kt. Seas 3 to 4 ft. .SAT...S winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. .SUN...S winds 10 to 15 kt. Seas 3 to 4 ft. ATLC waters from 27N to 31N between 65W and 77W .TODAY...S winds 10 to 15 kt. Seas 3 to 4 ft. .TONIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .THU...SE winds 10 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...SE winds 10 to 20 kt. Seas 3 to 4 ft. .FRI NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...SE winds 10 to 15 kt. Seas 4 to 5 ft. .SUN...SE winds 10 to 15 kt. Seas 4 to 5 ft. Bahamas N of 22N .TODAY...SE winds 10 to 15 kt. Seas 2 ft or less. .TONIGHT...SE winds 10 to 20 kt. Seas 2 ft or less. .THU...SE winds 10 to 20 kt. Seas 2 ft or less. .THU NIGHT...E winds 10 to 20 kt. Seas 2 ft or less. .FRI...E winds 10 to 20 kt. Seas 2 ft or less. .FRI NIGHT...E winds 10 to 20 kt. Seas 2 ft or less. .SAT...E winds 10 to 20 kt. Seas 2 ft or less. .SAT NIGHT...E winds 10 to 20 kt. Seas 3 ft. .SUN...E winds 10 to 20 kt. Seas 3 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...SE winds 10 to 20 kt. Seas 3 to 5 ft. .TONIGHT...SE 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 4 to 5 ft. .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. .SAT NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. .SUN...E winds 10 to 15 kt. Seas 4 to 5 ft. ATLC waters S of 22N W of 65W .TODAY...E winds 10 to 20 kt. Seas 3 to 5 ft. .TONIGHT...E winds 15 to 25 kt. Seas 3 to 5 ft. .THU...E winds 10 to 20 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 15 to 25 kt. Seas 4 to 6 ft. .FRI...E winds 10 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SAT...E winds 15 to 25 kt. Seas 4 to 6 ft. .SAT NIGHT...E winds 15 to 25 kt. Seas 4 to 6 ft. .SUN...E winds 15 to 25 kt. Seas 3 to 5 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...E winds 10 to 15 kt. Seas 5 to 6 ft. .TONIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. .THU...E winds 10 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .FRI...E winds 10 to 20 kt. Seas 6 to 8 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 4 to 5 ft. .SUN...E winds 15 to 25 kt. Seas 4 to 6 ft, building to 6 to 9 ft in the afternoon.