Coastal Waters Forecast
Issued by NWS Jacksonville, FL
Issued by NWS Jacksonville, FL
867 FZUS52 KJAX 011734 CWFJAX Coastal Waters Forecast for Northeast Florida/Southeast Georgia National Weather Service Jacksonville FL 1234 PM EST Mon Dec 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. AMZ400-020800- Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm- 1234 PM EST Mon Dec 1 2025 .SYNOPSIS... A frontal boundary south of the area will lift north across the area as a warm front late tonight, as an area of low pressure lifts northeast out of the Gulf. As this low tracks northeast across the southeastern states, a cold front will move through Tuesday. A round of showers and thunderstorms will accompany this frontal passage. Small Craft Advisory conditions are expected over portions of the area waters, beginning early Tuesday morning until Tuesday night. Another frontal system affects the area waters on Friday and Saturday increasing the chances of showers and higher winds again. .GULF STREAM... The approximate location of the west wall of the Gulf Stream as of Nov 29, 2025 at 1200 UTC... 64 nautical miles east of Flagler Beach. 78 nautical miles east southeast of Saint Augustine Beach. 91 nautical miles east of Jacksonville Beach. 94 nautical miles east of St Simons Island. This data courtesy of the Naval Oceanographic Office. $$ AMZ450-020800- Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM- 1234 PM EST Mon Dec 1 2025 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT THROUGH LATE TUESDAY NIGHT... .REST OF TODAY...Northeast winds 15 to 20 knots. Seas 2 to 3 feet, building to 4 to 5 feet, occasionally to 6 feet this afternoon. Wave Detail: Northeast 3 feet at 4 seconds, becoming northeast 4 feet at 5 seconds. Intracoastal waters choppy. A chance of showers this afternoon. .TONIGHT...Northeast winds 15 to 20 knots, becoming east 10 to 15 knots after midnight. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 7 seconds. Intracoastal waters choppy. Showers likely. A slight chance of thunderstorms after midnight. .TUESDAY...Southwest winds 15 to 20 knots, becoming west 10 to 15 knots in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 8 seconds and south 3 feet at 4 seconds. Intracoastal waters choppy. A slight chance of thunderstorms. Showers likely, mainly in the morning. .TUESDAY NIGHT...Northwest winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 8 seconds and northwest 2 feet at 3 seconds. Intracoastal waters a moderate chop. .WEDNESDAY AND WEDNESDAY NIGHT...North winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 8 seconds and north 2 feet at 4 seconds. Intracoastal waters light chop. .THURSDAY...North winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 10 seconds. Intracoastal waters light chop. .FRIDAY...Northeast winds 5 to 10 knots, becoming west. Seas 2 to 3 feet. Intracoastal waters light chop. A chance of showers. Winds and waves higher in and near thunderstorms. $$ AMZ452-020800- Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM- 1234 PM EST Mon Dec 1 2025 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT THROUGH LATE TONIGHT... ...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY AFTERNOON... .REST OF TODAY...Northeast winds 15 to 20 knots. Seas around 3 feet, building to 4 to 5 feet, occasionally to 6 feet this afternoon. Wave Detail: Northeast 3 feet at 4 seconds, becoming northeast 4 feet at 5 seconds. Intracoastal waters choppy. A slight chance of showers late this morning, then a chance of showers this afternoon. .TONIGHT...Northeast winds 10 to 15 knots, becoming southeast 15 to 20 knots after midnight. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 4 feet at 6 seconds and east 3 feet at 9 seconds. Intracoastal waters choppy. A chance of showers with a slight chance of thunderstorms. .TUESDAY...Southwest winds 20 to 25 knots, becoming west 15 to 20 knots in the afternoon. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Southeast 5 feet at 8 seconds and south 3 feet at 4 seconds. Intracoastal waters rough. A chance of showers. A slight chance of thunderstorms in the afternoon. .TUESDAY NIGHT...Northwest winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 4 feet at 8 seconds and north 3 feet at 4 seconds. Intracoastal waters choppy. .WEDNESDAY AND WEDNESDAY NIGHT...North winds 5 to 10 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at 8 seconds and north 2 feet at 4 seconds. Intracoastal waters light chop. .THURSDAY...North winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 11 seconds and north 2 feet at 5 seconds. Intracoastal waters light chop. .FRIDAY...East winds 5 to 10 knots, becoming southwest 10 to 15 knots. Seas around 3 feet. Intracoastal waters a moderate chop. A slight chance of showers in the afternoon. A chance of showers through the night. Winds and waves higher in and near thunderstorms. $$ AMZ470-472-020800- Waters from Altamaha Sound GA to Fernandina Beach FL from 20 to 60 NM- Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM- 1234 PM EST Mon Dec 1 2025 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT THROUGH LATE TONIGHT... ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH LATE TUESDAY NIGHT... .REST OF TODAY...Northeast winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet, building to 4 to 6 feet, occasionally to 8 feet this afternoon. Wave Detail: Northeast 3 feet at 4 seconds, becoming northeast 5 feet at 5 seconds and east 3 feet at 9 seconds. A chance of showers this afternoon. .TONIGHT...East winds 15 to 20 knots, becoming south 20 to 25 knots after midnight. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail: Southeast 6 feet at 6 seconds. A chance of showers with a slight chance of thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight. .TUESDAY...Southwest winds 20 to 25 knots, becoming west in the afternoon. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: East 6 feet at 7 seconds and south 5 feet at 5 seconds. A chance of showers with a slight chance of thunderstorms. .TUESDAY NIGHT...Northwest winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Southeast 5 feet at 8 seconds and northwest 4 feet at 4 seconds. .WEDNESDAY AND WEDNESDAY NIGHT...North winds around 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: North 3 feet at 5 seconds and southeast 3 feet at 8 seconds. .THURSDAY...North winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 11 seconds and northeast 2 feet at 6 seconds. .FRIDAY...Southeast winds 5 to 10 knots, becoming southwest 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. A chance of showers. Winds and seas higher in and near thunderstorms. $$ AMZ474-020800- Waters from St. Augustine to Flagler Beach FL from 20 to 60 NM- 1234 PM EST Mon Dec 1 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH LATE TUESDAY NIGHT... .REST OF TODAY...Northeast winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet, building to 5 to 6 feet, occasionally to 8 feet this afternoon. Wave Detail: Northeast 3 feet at 4 seconds and east 3 feet at 9 seconds, becoming east 5 feet at 8 seconds and north 3 feet at 5 seconds. A slight chance of showers this afternoon. .TONIGHT...East winds 10 to 15 knots, becoming south 15 to 20 knots after midnight. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Southeast 5 feet at 6 seconds. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .TUESDAY...Southwest winds 20 to 25 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: South 5 feet at 5 seconds and southeast 5 feet at 8 seconds. A chance of showers with a slight chance of thunderstorms. .TUESDAY NIGHT...Northwest winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Southeast 5 feet at 8 seconds and west 4 feet at 5 seconds. .WEDNESDAY AND WEDNESDAY NIGHT...North winds around 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: North 3 feet at 6 seconds and east 3 feet at 8 seconds. .THURSDAY...North winds 5 to 10 knots, becoming northeast. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 10 seconds and north 2 feet at 6 seconds. .FRIDAY...South winds 10 to 15 knots, becoming southwest 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. A slight chance of showers in the evening. A chance of showers after midnight. Winds and seas higher in and near thunderstorms. $$ AMZ454-020800- Coastal waters from St. Augustine to Flagler Beach FL out 20 NM- 1234 PM EST Mon Dec 1 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY AFTERNOON... .REST OF TODAY...Northeast winds 10 to 15 knots. Seas around 3 feet, building to 4 to 5 feet, occasionally to 6 feet this afternoon. Wave Detail: Northeast 3 feet at 4 seconds, becoming east 4 feet at 9 seconds and northeast 3 feet at 5 seconds. Intracoastal waters a moderate chop. A slight chance of showers. .TONIGHT...East winds 10 to 15 knots, becoming south 15 to 20 knots after midnight. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 8 seconds and north 3 feet at 5 seconds. Intracoastal waters choppy. A slight chance of showers in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. .TUESDAY...Southwest winds 20 to 25 knots, diminishing to 15 to 20 knots in the afternoon. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 5 feet at 8 seconds and southwest 3 feet at 5 seconds. Intracoastal waters rough. A chance of showers. .TUESDAY NIGHT...Northwest winds 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 8 seconds and northwest 3 feet at 4 seconds. Intracoastal waters a moderate chop. .WEDNESDAY AND WEDNESDAY NIGHT...North winds 5 to 10 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: North 3 feet at 5 seconds and east 3 feet at 8 seconds. Intracoastal waters light chop. .THURSDAY...Northeast winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at 11 seconds and north 2 feet at 5 seconds. Intracoastal waters light chop. .FRIDAY...Southeast winds 5 to 10 knots, becoming southwest. Seas 3 to 4 feet, occasionally to 5 feet. Intracoastal waters light chop. A slight chance of showers through the night. A chance of showers after midnight. Winds and waves higher in and near thunderstorms. $$