Coastal Waters Forecast
Issued by NWS Jacksonville, FL
Issued by NWS Jacksonville, FL
315 FZUS52 KJAX 271215 CWFJAX Coastal Waters Forecast for Northeast Florida/Southeast Georgia National Weather Service Jacksonville FL 815 AM EDT Fri Sep 27 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. AMZ400-272115- Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm- 815 AM EDT Fri Sep 27 2024 .SYNOPSIS... Tropical Storm Helene continues to exit well to the north, leaving behind lingering strong winds and elevated waves/seas. Winds and very rough seas will taper going through the day with generally southwest to south winds persisting into the weekend. Otherwise, a stalled frontal boundary over the Florida peninsula on Saturday will begin to slowly lift northward towards the northeast Florida waters early next week, accompanied by scattered showers and thunderstorms. A cold front will then enter the southeast states towards midweek, possibly pushing across the Georgia waters by Wednesday night. .GULF STREAM... The approximate location of the west wall of the Gulf Stream as of Sep 26, 2024 at 1200 UTC... 50 nautical miles east of Flagler Beach. 50 nautical miles east northeast of Saint Augustine Beach. 54 nautical miles east of Jacksonville Beach. 65 nautical miles east southeast of St Simons Island. This data courtesy of the Naval Oceanographic Office. $$ AMZ450-470-472-272115- Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM- 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- 815 AM EDT Fri Sep 27 2024 ...TROPICAL STORM WARNING IN EFFECT... .REST OF TODAY...Tropical storm conditions expected. Southwest winds 30 to 35 knots with gusts up to 45 knots, diminishing to 15 to 20 knots this afternoon. Seas 9 to 13 feet, occasionally to 17 feet, subsiding to 7 to 10 feet, occasionally to 13 feet this afternoon. Wave Detail: South 13 feet at 9 seconds and east 12 feet at 12 seconds. Intracoastal waters extremely rough. Showers likely with a slight chance of thunderstorms this morning. .TONIGHT...Southwest winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 5 to 8 feet, occasionally to 10 feet, subsiding to 4 to 6 feet, occasionally to 8 feet after midnight. Wave Detail: Southeast 7 feet at 9 seconds and southwest 2 feet at 4 seconds. Intracoastal waters choppy. .SATURDAY...Southwest winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 4 feet at 8 seconds and east 2 feet at 11 seconds. Intracoastal waters a moderate chop. A chance of showers with a slight chance of thunderstorms in the afternoon. .SATURDAY NIGHT...Southwest winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 3 feet at 7 seconds and east 2 feet at 11 seconds. Intracoastal waters a moderate chop. A chance of showers and thunderstorms. .SUNDAY...Southwest winds 5 to 10 knots, becoming south in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 3 feet at 6 seconds and east 2 feet at 10 seconds. Intracoastal waters light chop. A slight chance of thunderstorms. A slight chance of showers in the morning, then a chance of showers in the afternoon. .SUNDAY NIGHT...Southwest winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: South 2 feet at 5 seconds and east 2 feet at 10 seconds. Intracoastal waters light chop. A chance of showers and thunderstorms. .MONDAY...West winds 5 to 10 knots, becoming south in the afternoon. Seas 2 to 3 feet. Intracoastal waters light chop. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. .MONDAY NIGHT...South winds 5 to 10 knots, becoming west after midnight. Seas around 2 feet. Intracoastal waters light chop. A chance of showers with a slight chance of thunderstorms. .TUESDAY...West winds 5 to 10 knots. Seas around 2 feet. Intracoastal waters light chop. A slight chance of showers and thunderstorms. .TUESDAY NIGHT...Southwest winds around 5 knots, becoming northwest after midnight. Seas around 2 feet. Intracoastal waters light chop. A slight chance of showers and thunderstorms. Winds and waves higher in and near thunderstorms. $$ AMZ452-454-474-272115- Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM- Coastal waters from St. Augustine to Flagler Beach FL out 20 NM- Waters from St. Augustine to Flagler Beach FL from 20 to 60 NM- 815 AM EDT Fri Sep 27 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .REST OF TODAY...Southwest winds 25 to 30 knots and gusty, diminishing to 15 to 20 knots this afternoon. Seas 7 to 11 feet, occasionally to 14 feet, subsiding to 6 to 9 feet, occasionally to 11 feet this afternoon. Wave Detail: Southeast 11 feet at 9 seconds and east 8 feet at 12 seconds. Intracoastal waters very rough. A chance of showers with a slight chance of thunderstorms this morning. .TONIGHT...Southwest winds 10 to 15 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Southeast 5 feet at 8 seconds and southwest 2 feet at 4 seconds. Intracoastal waters a moderate chop. .SATURDAY...Southwest winds 5 to 10 knots, becoming south 10 to 15 knots in the afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 3 feet at 7 seconds and northeast 2 feet at 11 seconds. Intracoastal waters a moderate chop. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. .SATURDAY NIGHT...Southwest winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 3 feet at 6 seconds and northeast 2 feet at 11 seconds. Intracoastal waters a moderate chop. A chance of showers and thunderstorms. .SUNDAY...Southwest winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 6 seconds and east 2 feet at 11 seconds. Intracoastal waters light chop. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. .SUNDAY NIGHT...Southwest winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: South 2 feet at 4 seconds and east 2 feet at 10 seconds. Intracoastal waters light chop. A chance of showers. A chance of thunderstorms, mainly in the evening. .MONDAY...West winds 5 to 10 knots, becoming south in the afternoon. Seas 2 to 3 feet. Intracoastal waters light chop. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. .MONDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet. Intracoastal waters light chop. A chance of showers. A chance of thunderstorms, mainly in the evening. .TUESDAY...Northwest winds 5 to 10 knots, becoming northeast in the afternoon. Seas around 2 feet. Intracoastal waters light chop. A slight chance of thunderstorms. A slight chance of showers in the morning, then a chance of showers in the afternoon. .TUESDAY NIGHT...South winds around 5 knots, becoming northwest after midnight. Seas around 2 feet. Intracoastal waters light chop. A chance of showers. A chance of thunderstorms, mainly in the evening. Winds and waves higher in and near thunderstorms. $$