Coastal Waters Forecast
Issued by NWS Jacksonville, FL
Issued by NWS Jacksonville, FL
127 FZUS52 KJAX 010919 CWFJAX Coastal Waters Forecast for Northeast Florida/Southeast Georgia National Weather Service Jacksonville FL 519 AM EDT Sat Nov 1 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. AMZ400-020030- Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm- 519 AM EDT Sat Nov 1 2025 .SYNOPSIS... High pressure will prevail over the region today through tonight. A trough of low pressure will develop over parts of the area Sunday and a cold front will then move through area waters Sunday night. High pressure will build to the northwest then north Monday night into Tuesday. There is potential for small craft advisories Monday into early Tuesday behind the cold front. .GULF STREAM... The approximate location of the west wall of the Gulf Stream as of Oct 30, 2025 at 1200 UTC... 53 nautical miles east northeast of Flagler Beach. 53 nautical miles east of Saint Augustine Beach. 61 nautical miles east of Jacksonville Beach. 87 nautical miles east southeast of St Simons Island. This data courtesy of the Naval Oceanographic Office. $$ AMZ450-452-454-020030- Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM- Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM- Coastal waters from St. Augustine to Flagler Beach FL out 20 NM- 519 AM EDT Sat Nov 1 2025 .TODAY...North winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Northeast to east 3 feet at 11 seconds. Intracoastal waters light chop. .TONIGHT...Northeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 8 seconds. Intracoastal waters light chop. .SUNDAY...North winds around 10 knots. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 7 seconds. Intracoastal waters light chop. .SUNDAY NIGHT...North winds around 10 knots, becoming northwest after midnight. Seas 2 to 3 feet. Wave Detail: North 2 feet at 3 seconds and northeast 2 feet at 6 seconds. Intracoastal waters a moderate chop. A chance of showers. .MONDAY...North winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: North 3 feet at 5 seconds. Intracoastal waters choppy. A chance of showers. .MONDAY NIGHT...North winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: North 4 feet at 5 seconds. Intracoastal waters choppy. .TUESDAY...Northeast winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Intracoastal waters choppy. .WEDNESDAY...Northeast winds 10 to 15 knots, becoming north 5 to 10 knots. Seas 2 to 4 feet, occasionally to 5 feet. Intracoastal waters a moderate chop. $$ AMZ470-472-474-020030- 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- 519 AM EDT Sat Nov 1 2025 .TODAY...North winds 5 to 10 knots. Seas around 3 feet. Wave Detail: East 3 feet at 11 seconds and north 2 feet at 3 seconds. .TONIGHT...Northeast winds 5 to 10 knots. Seas around 3 feet. Wave Detail: Northeast 3 feet at 9 seconds and north 2 feet at 4 seconds. .SUNDAY...North winds around 10 knots. Seas 2 to 3 feet. Wave Detail: North 3 feet at 8 seconds. .SUNDAY NIGHT...North winds around 10 knots, becoming northwest after midnight. Seas 2 to 3 feet. Wave Detail: North 3 feet at 4 seconds and northeast 3 feet at 7 seconds. A chance of showers. .MONDAY...North winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: North 4 feet at 5 seconds and east 3 feet at 9 seconds. A chance of showers. A slight chance of thunderstorms in the afternoon. .MONDAY NIGHT...North winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: North 5 feet at 6 seconds. A slight chance of showers in the evening. .TUESDAY...Northeast winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. .WEDNESDAY...Northeast winds 10 to 15 knots, becoming north 5 to 10 knots. Seas 3 to 5 feet, occasionally to 6 feet. Winds and seas higher in and near thunderstorms. $$