Coastal Waters Forecast
Issued by NWS Jacksonville, FL
Issued by NWS Jacksonville, FL
602 FZUS52 KJAX 210615 CWFJAX Coastal Waters Forecast for Northeast Florida/Southeast Georgia National Weather Service Jacksonville FL 215 AM EDT Fri Jun 21 2024 Atlantic Coastal Waters from Altamaha Sound GA to Flagler Beach FL out to 60 nm. Seas are provided as a range of the average height of the highest 1/3 of the waves, along with the occasional height of the average highest 1/10 of the waves. AMZ400-212115- Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm- 215 AM EDT Fri Jun 21 2024 .SYNOPSIS... Weak low pressure situated about 200 miles to the east-southeast of Jacksonville, Florida early Friday morning may organize into a Tropical Depression later this morning as it progresses west- northwestward across the Gulf Stream waters. Bands of gusty showers and embedded thunderstorms will increase in frequency and intensity during the predawn hours on Friday, with this activity continuing through late Friday afternoon before diminishing in coverage as this weak low pressure center progresses inland. Meanwhile, strong high pressure centered north of Bermuda will gradually weaken as it settles southward this weekend. Small Craft Advisory conditions will continue throughout our local waters tonight and Friday, followed by winds and seas diminishing to Caution levels on Friday night and then below Caution criteria on Saturday. Rounds of showers and thunderstorms will continue to develop over our local waters this weekend and into next week as prevailing winds become southerly ahead of a weakening surface trough that will settle over the southeastern states through midweek. .GULF STREAM... The approximate location of the west wall of the Gulf Stream as of Jun 18, 2024 at 1200 UTC... 57 nautical miles east of Flagler Beach. 66 nautical miles east of Saint Augustine Beach. 75 nautical miles east of Jacksonville Beach. 88 nautical miles east of St Simons Island. This data courtesy of the Naval Oceanographic Office. $$ AMZ450-452-454-212115- Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM- Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM- Coastal waters from St. Augustine to Flagler Beach FL out 20 NM- 215 AM EDT Fri Jun 21 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .TODAY...Northeast winds 15 to 20 knots, becoming east 10 to 15 knots this afternoon. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: East 6 feet at 9 seconds. Intracoastal waters choppy. Showers likely with a chance of thunderstorms. .TONIGHT...Southeast winds 10 to 15 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: East 5 feet at 9 seconds. Intracoastal waters a moderate chop. A chance of thunderstorms. Showers likely, mainly in the evening. .SATURDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 8 seconds. Intracoastal waters a moderate chop. Scattered thunderstorms. Showers. .SATURDAY NIGHT...South winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 8 seconds. Intracoastal waters a moderate chop. Numerous showers and scattered thunderstorms. .SUNDAY...South winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: East 3 feet at 8 seconds. Intracoastal waters a moderate chop. Scattered thunderstorms. Showers. .SUNDAY NIGHT...Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 8 seconds and south 2 feet at 4 seconds. Intracoastal waters a moderate chop. Scattered showers and thunderstorms, mainly in the evening. .MONDAY THROUGH TUESDAY...Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Intracoastal waters a moderate chop. Showers likely with scattered thunderstorms. Winds and waves higher in and near thunderstorms. $$ AMZ470-472-474-212115- Waters from Altamaha Sound GA to Fernandina Beach FL from 20 to 60 NM- Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM- Waters from St. Augustine to Flagler Beach FL from 20 to 60 NM- 215 AM EDT Fri Jun 21 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .TODAY...East winds 15 to 20 knots, becoming southeast 10 to 15 knots this afternoon. Seas 6 to 8 feet, occasionally to 10 feet. Wave Detail: East 7 feet at 9 seconds. Showers likely with a chance of thunderstorms. .TONIGHT...Southeast winds 10 to 15 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: East 6 feet at 9 seconds. Showers likely with a chance of thunderstorms. .SATURDAY...South winds 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 8 seconds. Showers with isolated thunderstorms in the morning, then numerous showers and scattered thunderstorms in the afternoon. .SATURDAY NIGHT...South winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 8 seconds. Showers and scattered thunderstorms. .SUNDAY...South winds 10 to 15 knots. Seas around 3 feet. Wave Detail: East 3 feet at 8 seconds. Scattered thunderstorms. Showers. .SUNDAY NIGHT...Southwest winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: South 3 feet at 4 seconds and east 3 feet at 8 seconds. Scattered thunderstorms. Numerous showers, mainly in the evening. .MONDAY THROUGH TUESDAY...Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Scattered showers and thunderstorms. Winds and seas higher in and near thunderstorms. $$