Coastal Waters Forecast
Issued by NWS Jacksonville, FL
Issued by NWS Jacksonville, FL
814 FZUS52 KJAX 021239 CWFJAX Coastal Waters Forecast for Northeast Florida/Southeast Georgia National Weather Service Jacksonville FL 739 AM EST Sun Nov 2 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. AMZ400-030345- Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm- 739 AM EST Sun Nov 2 2025 .SYNOPSIS... High pressure positioned over our area will weaken and move northeastward this afternoon while a cold front approaches our region from the west. Coastal troughing over our local waters will develop into a weak low pressure center off the southeastern seaboard tonight and will move north-northeastward, paralleling the Carolina coast. The cold front will cross our local waters late tonight, accompanied by widely scattered showers and possibly a few thunderstorms. Northwesterly winds will strengthen in the wake of the frontal passage late tonight and will shift to northerly on Monday afternoon, with Small Craft Advisory conditions expected to overspread our local waters. High pressure will then build into the southeastern states by Wednesday, allowing northeast winds and seas to gradually subside. .GULF STREAM... The approximate location of the west wall of the Gulf Stream as of Nov 01, 2025 at 1200 UTC... 50 nautical miles east of Flagler Beach. 53 nautical miles east of Saint Augustine Beach. 68 nautical miles east of Jacksonville Beach. 79 nautical miles east southeast of St Simons Island. This data courtesy of the Naval Oceanographic Office. $$ AMZ450-452-454-030345- Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM- Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM- Coastal waters from St. Augustine to Flagler Beach FL out 20 NM- 739 AM EST Sun Nov 2 2025 .REST OF TODAY...Northeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Northeast 2 feet at 8 seconds. Intracoastal waters light chop. .TONIGHT...Northeast winds 5 to 10 knots, becoming north 10 to 15 knots after midnight. Seas 2 to 3 feet. Wave Detail: North 2 feet at 3 seconds and northeast 2 feet at 7 seconds. Intracoastal waters a moderate chop. A slight chance of showers in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. .MONDAY...Northwest winds 15 to 20 knots, becoming north 20 to 25 knots in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: North 4 feet at 5 seconds. Intracoastal waters rough. A chance of showers, mainly in the morning. .MONDAY NIGHT...North winds 20 to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: North 6 feet at 6 seconds. Intracoastal waters rough. .TUESDAY AND TUESDAY NIGHT...Northeast winds 20 to 25 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Northeast 7 feet at 7 seconds. Intracoastal waters rough. .WEDNESDAY...Northeast winds 10 to 15 knots, becoming north 5 to 10 knots. Seas 3 to 5 feet, occasionally to 6 feet, subsiding to 2 to 3 feet after midnight. Wave Detail: Northeast 5 feet at 7 seconds, becoming east 3 feet at 7 seconds. Intracoastal waters a moderate chop. .THURSDAY...North winds 5 to 10 knots, becoming east. Seas 2 to 3 feet. Intracoastal waters light chop. Winds and waves higher in and near thunderstorms. $$ AMZ470-472-474-030345- 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- 739 AM EST Sun Nov 2 2025 .REST OF TODAY...North winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 8 seconds. .TONIGHT...North winds 5 to 10 knots, becoming northwest 10 to 15 knots after midnight. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 7 seconds and north 2 feet at 4 seconds. A slight chance of showers in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. .MONDAY...Northwest winds 15 to 20 knots, increasing to 20 to 25 knots in the afternoon. Seas 3 to 4 feet, occasionally to 5 feet, building to 4 to 6 feet, occasionally to 8 feet in the afternoon. Wave Detail: North 4 feet at 4 seconds and east 3 feet at 9 seconds, becoming north 6 feet at 5 seconds and east 2 feet at 10 seconds. A chance of showers with a slight chance of thunderstorms in the morning, then a slight chance of showers in the afternoon. .MONDAY NIGHT...North winds 20 to 25 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: North 7 feet at 6 seconds. A slight chance of showers in the evening. .TUESDAY AND TUESDAY NIGHT...Northeast winds 20 to 25 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: North 7 feet at 7 seconds. .WEDNESDAY...Northeast winds 10 to 15 knots, becoming north 5 to 10 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 5 feet at 7 seconds. .THURSDAY...North winds 5 to 10 knots, becoming east. Seas 2 to 3 feet. Winds and seas higher in and near thunderstorms. $$