Coastal Waters Forecast
Issued by NWS Jacksonville, FL
Issued by NWS Jacksonville, FL
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061 FZUS52 KJAX 280553 CWFJAX Coastal Waters Forecast for Northeast Florida/Southeast Georgia National Weather Service Jacksonville FL 1253 AM EST Fri Nov 28 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. AMZ400-282200- Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm- 1253 AM EST Fri Nov 28 2025 .SYNOPSIS... Gusty northerly winds and elevated seas will continue Small Craft Advisory conditions today as high pressure builds north of the region. Onshore flow weakens tonight into Saturday as the high builds to the northeast. A coastal trough develops Sunday and Monday with a few coastal showers. A stronger frontal system approaches late Monday into Tuesday with southerly winds nearing Small Craft levels over at least the outer waters and a chance of thunderstorms. The front is expected to push south of the local waters by Tuesday evening. High pressure builds quickly over the region Tuesday night into Wednesday with northerly winds below Small Craft levels. .GULF STREAM... The approximate location of the west wall of the Gulf Stream as of Nov 27, 2025 at 1200 UTC... 43 nautical miles east of Flagler Beach. 44 nautical miles east northeast of Saint Augustine Beach. 41 nautical miles east of Jacksonville Beach. 55 nautical miles east southeast of St Simons Island. This data courtesy of the Naval Oceanographic Office. $$ AMZ452-454-472-474-282200- 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- 1253 AM EST Fri Nov 28 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .REST OF TONIGHT...North winds 20 to 25 knots with occasional gusts up to 35 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: North 6 feet at 6 seconds and east 2 feet at 8 seconds. Intracoastal waters rough. .FRIDAY...North winds 20 knots. Seas 4 to 7 feet, occasionally to 8 feet. Wave Detail: Northeast 6 feet at 7 seconds. Intracoastal waters choppy. .FRIDAY NIGHT...Northeast winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: North 5 feet at 6 seconds. Intracoastal waters choppy. .SATURDAY...East winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 5 feet at 6 seconds. Intracoastal waters choppy. .SATURDAY NIGHT AND SUNDAY...East winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 6 seconds. Intracoastal waters choppy. .SUNDAY NIGHT...Northeast winds around 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 8 seconds. Intracoastal waters light chop. A slight chance of showers in the evening, then a chance of showers after midnight. .MONDAY...Northeast winds 10 to 15 knots, becoming southeast. Seas 4 to 5 feet, occasionally to 6 feet. Intracoastal waters a moderate chop. A chance of showers. A slight chance of thunderstorms. .TUESDAY...Southwest winds 15 to 20 knots, becoming northwest. Seas 4 to 6 feet, occasionally to 8 feet. Intracoastal waters choppy. A chance of showers in the morning. A slight chance of thunderstorms through the day. Showers likely in the afternoon, then a slight chance of showers in the evening. Winds and waves higher in and near thunderstorms. $$ AMZ450-470-282200- Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM- Waters from Altamaha Sound GA to Fernandina Beach FL from 20 to 60 NM- 1253 AM EST Fri Nov 28 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .REST OF TONIGHT...Northwest winds 20 to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Northwest 5 feet at 5 seconds and east 2 feet at 8 seconds. Intracoastal waters rough. .FRIDAY...North winds 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: North 5 feet at 6 seconds. Intracoastal waters choppy. .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. Intracoastal waters choppy. .SATURDAY...East winds around 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 4 feet at 6 seconds. Intracoastal waters a moderate chop. .SATURDAY NIGHT AND SUNDAY...East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 7 seconds. Intracoastal waters a moderate chop. .SUNDAY NIGHT...Northeast winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 7 seconds. Intracoastal waters light chop. A slight chance of showers. .MONDAY...Northeast winds 10 to 15 knots, becoming southeast. Seas 3 to 5 feet, occasionally to 6 feet. Intracoastal waters a moderate chop. A chance of showers. A slight chance of thunderstorms through the night. .TUESDAY...Southwest winds around 15 knots, becoming northwest. Seas 3 to 5 feet, occasionally to 6 feet. Intracoastal waters a moderate chop. Showers likely through the day. A slight chance of thunderstorms in the afternoon, then a slight chance of showers in the evening. Winds and waves higher in and near thunderstorms. $$