


Coastal Waters Forecast
Issued by NWS Jacksonville, FL
Issued by NWS Jacksonville, FL
629 FZUS52 KJAX 171258 CWFJAX Coastal Waters Forecast for Northeast Florida/Southeast Georgia National Weather Service Jacksonville FL 858 AM EDT Tue Jun 17 2025 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. AMZ400-172115- Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm- 858 AM EDT Tue Jun 17 2025 .SYNOPSIS... High pressure across central Florida today will position east of the local waters Wednesday. This will focus scattered afternoon and evening sea breeze storms across inland areas, with less coverage across local marine waters each evening. Thunderstorm coverage increases Thursday into the weekend as a surface front edges southward across Georgia with a return of south to southwest winds over the local waters. .GULF STREAM... The approximate location of the west wall of the Gulf Stream as of Jun 14, 2025 at 1200 UTC... 64 nautical miles east of Flagler Beach. 74 nautical miles east of Saint Augustine Beach. 89 nautical miles east of Jacksonville Beach. 99 nautical miles east of St Simons Island. This data courtesy of the Naval Oceanographic Office. $$ AMZ450-452-454-172115- Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM- Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM- Coastal waters from St. Augustine to Flagler Beach FL out 20 NM- 858 AM EDT Tue Jun 17 2025 .REST OF TODAY...South winds 5 to 10 knots, becoming southeast 10 to 15 knots this afternoon. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 5 seconds and southeast 2 feet at 8 seconds. Intracoastal waters a moderate chop. A slight chance of showers this afternoon. .TONIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 5 seconds. Intracoastal waters a moderate chop. .WEDNESDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 5 seconds. Intracoastal waters a moderate chop. A slight chance of showers and thunderstorms in the afternoon. .WEDNESDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 4 seconds. Intracoastal waters a moderate chop. .THURSDAY...South winds 5 to 10 knots, becoming southeast 10 to 15 knots in the afternoon. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds and east 2 feet at 8 seconds. Intracoastal waters a moderate chop. A chance of showers and thunderstorms in the afternoon. .THURSDAY NIGHT...South winds 10 to 15 knots, becoming southwest 5 to 10 knots after midnight. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 4 seconds. Intracoastal waters a moderate chop. A chance of showers. A chance of thunderstorms, mainly in the evening. .FRIDAY THROUGH SATURDAY...South winds 10 to 15 knots. Seas around 2 feet. Intracoastal waters a moderate chop. A chance of showers and thunderstorms. Winds and waves higher in and near thunderstorms. $$ AMZ470-472-474-172115- 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- 858 AM EDT Tue Jun 17 2025 .REST OF TODAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 8 seconds and south 2 feet at 5 seconds. .TONIGHT...South winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: South 3 feet at 5 seconds and southeast 2 feet at 8 seconds. .WEDNESDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 4 seconds and southeast 3 feet at 8 seconds. .WEDNESDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 4 seconds and east 2 feet at 8 seconds. .THURSDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 4 seconds and southeast 2 feet at 8 seconds. A slight chance of showers. A slight chance of thunderstorms in the afternoon. .THURSDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 8 seconds and southeast 2 feet at 4 seconds. A chance of showers with a slight chance of thunderstorms. .FRIDAY THROUGH SATURDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. A chance of showers and thunderstorms. Winds and seas higher in and near thunderstorms. $$