Coastal Waters Forecast
Issued by NWS Jacksonville, FL
Issued by NWS Jacksonville, FL
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136 FZUS52 KJAX 271729 CWFJAX Coastal Waters Forecast for Northeast Florida/Southeast Georgia National Weather Service Jacksonville FL 1229 PM EST Thu Nov 27 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. AMZ400-280800- Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm- 1229 PM EST Thu Nov 27 2025 .SYNOPSIS... High pressure will build to the northwest through Friday, to the north Friday night, then northeast Saturday. The low will weaken as it moves further away Sunday into early next week. An area of low pressure will lift northeast out of the Gulf Monday night into Tuesday, with the associated cold front moving southeast across area Tuesday into Tuesday night. .GULF STREAM... The approximate location of the west wall of the Gulf Stream as of Nov 25, 2025 at 1200 UTC... 45 nautical miles northeast of Flagler Beach. 28 nautical miles east northeast of Saint Augustine Beach. 34 nautical miles east of Jacksonville Beach. 58 nautical miles east southeast of St Simons Island. This data courtesy of the Naval Oceanographic Office. $$ AMZ452-454-472-474-280800- Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM- Coastal waters from St. Augustine to Flagler Beach FL out 20 NM- Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM- Waters from St. Augustine to Flagler Beach FL from 20 to 60 NM- 1229 PM EST Thu Nov 27 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY EVENING... .REST OF TODAY...Northwest winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: North 4 feet at 5 seconds and east 2 feet at 8 seconds. Intracoastal waters choppy. .TONIGHT...Northwest winds 20 to 25 knots with gusts up to 35 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: North 6 feet at 6 seconds. Intracoastal waters rough. .FRIDAY...North winds 20 to 25 knots, diminishing to 15 to 20 knots in the afternoon. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: North 6 feet at 6 seconds. Intracoastal waters rough. .FRIDAY NIGHT...Northeast winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: North 5 feet at 6 seconds. Intracoastal waters choppy. .SATURDAY AND SATURDAY NIGHT...Southeast winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 7 seconds. Intracoastal waters choppy. .SUNDAY...East winds around 10 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 4 feet at 7 seconds and east 4 feet at 8 seconds. Intracoastal waters light chop. A slight chance of showers through the night. A chance of showers after midnight. .MONDAY...Northeast winds 10 to 15 knots, becoming southeast. Seas 4 to 6 feet, occasionally to 8 feet. Intracoastal waters a moderate chop. A slight chance of thunderstorms. A chance of showers. Winds and waves higher in and near thunderstorms. $$ AMZ450-280800- Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM- 1229 PM EST Thu Nov 27 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM EST THIS EVENING THROUGH FRIDAY AFTERNOON... .REST OF TODAY...Northwest winds 15 to 20 knots. Seas 2 to 3 feet. Wave Detail: North 3 feet at 4 seconds. Intracoastal waters choppy. .TONIGHT...Northwest winds 20 to 25 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: North 4 feet at 5 seconds. Intracoastal waters rough. .FRIDAY...North winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: North 4 feet at 5 seconds. Intracoastal waters choppy. .FRIDAY NIGHT...North winds 10 to 15 knots, becoming northeast 15 to 20 knots after midnight. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 4 feet at 6 seconds. Intracoastal waters choppy. .SATURDAY AND SATURDAY NIGHT...Southeast winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 4 feet at 5 seconds. Intracoastal waters choppy. .SUNDAY...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 7 seconds. Intracoastal waters light chop. A slight chance of showers through the night. .MONDAY...Northeast winds 10 to 15 knots, becoming east. Seas 2 to 4 feet, occasionally to 5 feet. Intracoastal waters a moderate chop. A chance of showers in the morning, then a slight chance of showers and thunderstorms through the night. A chance of showers after midnight. Winds and waves higher in and near thunderstorms. $$ AMZ470-280800- Waters from Altamaha Sound GA to Fernandina Beach FL from 20 to 60 NM- 1229 PM EST Thu Nov 27 2025 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 7 PM EST THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM EST THIS EVENING THROUGH FRIDAY AFTERNOON... .REST OF TODAY...Northwest winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: North 4 feet at 5 seconds and east 2 feet at 8 seconds. .TONIGHT...Northwest winds 20 to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: North 5 feet at 5 seconds. .FRIDAY...North winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: North 5 feet at 6 seconds. .FRIDAY NIGHT...Northeast winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: North 4 feet at 6 seconds. .SATURDAY...East winds 15 to 20 knots. Seas around 4 feet, occasionally to 5 feet. Wave Detail: Northeast 4 feet at 6 seconds. .SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 7 seconds. .SUNDAY...Southeast winds 5 to 10 knots, becoming east. Seas 3 to 4 feet, occasionally to 5 feet. A slight chance of showers in the evening. A chance of showers after midnight. .MONDAY...Northeast winds 10 to 15 knots, becoming southeast. Seas 3 to 5 feet, occasionally to 6 feet. A chance of showers. A slight chance of thunderstorms through the night. Winds and seas higher in and near thunderstorms. $$