


Coastal Waters Forecast
Issued by NWS Jacksonville, FL
Issued by NWS Jacksonville, FL
017 FZUS52 KJAX 040655 CWFJAX Coastal Waters Forecast for Northeast Florida/Southeast Georgia National Weather Service Jacksonville FL 255 AM EDT Fri Apr 4 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. AMZ400-042315- Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm- 255 AM EDT Fri Apr 4 2025 .SYNOPSIS... High pressure will be centered to the east of the area through Saturday night. The high will continue to move east into Sunday as a cold front approaches from the northwest. The cold front will move through Monday into Monday night, with a round of showers and thunderstorms expected. A secondary front will move southeast across area Tuesday. High pressure will build to the northwest then north mid week. .GULF STREAM... The approximate location of the west wall of the Gulf Stream as of Apr 03, 2025 at 1200 UTC... 58 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. $$ AMZ450-452-454-042315- Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM- Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM- Coastal waters from St. Augustine to Flagler Beach FL out 20 NM- 255 AM EDT Fri Apr 4 2025 .TODAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 7 seconds. Intracoastal waters a moderate chop. .TONIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 8 seconds. Intracoastal waters a moderate chop. .SATURDAY...South winds 10 to 15 knots, becoming southeast 15 to 20 knots in the afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 8 seconds and southeast 2 feet at 4 seconds. Intracoastal waters choppy. .SATURDAY NIGHT...South winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 4 feet at 5 seconds and southeast 4 feet at 9 seconds. Intracoastal waters choppy. .SUNDAY AND SUNDAY NIGHT...Southwest winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 4 feet at 6 seconds and southeast 4 feet at 9 seconds. Intracoastal waters choppy. .MONDAY...Southwest winds around 15 knots, becoming west. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 9 seconds and northwest 3 feet at 3 seconds. Intracoastal waters choppy. A chance of showers in the morning, then showers. A chance of thunderstorms in the evening, then a slight chance of thunderstorms after midnight. .TUESDAY...North winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Intracoastal waters choppy. A chance of showers, mainly in the morning. Winds and waves higher in and near thunderstorms. $$ AMZ470-472-474-042315- 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- 255 AM EDT Fri Apr 4 2025 .TODAY...Southeast winds 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 5 feet at 7 seconds. .TONIGHT...Southeast winds 10 to 15 knots. Seas around 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 8 seconds. .SATURDAY...South winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Seas around 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 8 seconds. .SATURDAY NIGHT...South winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 5 feet at 9 seconds and south 3 feet at 5 seconds. .SUNDAY AND SUNDAY NIGHT...Southwest winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: South 5 feet at 6 seconds and southeast 5 feet at 9 seconds. .MONDAY...South winds 15 to 20 knots, becoming west. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 5 feet at 9 seconds and west 3 feet at 4 seconds. A slight chance of showers in the morning, then a chance of showers in the afternoon. A chance of thunderstorms in the evening. Showers through the night. A slight chance of thunderstorms after midnight. .TUESDAY...North winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. A chance of showers with a slight chance of thunderstorms in the morning, then a slight chance of showers. Winds and seas higher in and near thunderstorms. $$