Coastal Waters Forecast
Issued by NWS Jacksonville, FL
Issued by NWS Jacksonville, FL
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019 FZUS52 KJAX 281731 CWFJAX Coastal Waters Forecast for Northeast Florida/Southeast Georgia National Weather Service Jacksonville FL 1231 PM 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. AMZ400-290845- Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm- 1231 PM EST Fri Nov 28 2025 .SYNOPSIS... High pressure to the northwest Today, will become centered to the north Tonight, then northeast on Saturday. The high will track away Saturday night into Sunday, as weak troughing develops over the coastal waters. An area of low pressure will lift northeast out of the Gulf Monday into Monday night, with its cold front moving southeast across local area Tuesday into Tuesday night. High pressure will build behind this system for mid week. .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. $$ AMZ452-454-472-474-290845- Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM- Coastal waters from St. Augustine to Flagler Beach FL out 20 NM- Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM- Waters from St. Augustine to Flagler Beach FL from 20 to 60 NM- 1231 PM EST Fri Nov 28 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EST THIS EVENING... .TONIGHT...Northeast winds around 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: North 2 feet at 6 seconds. Intracoastal waters choppy. .SATURDAY...East winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Intracoastal waters choppy. .SATURDAY NIGHT...East winds 15 to 20 knots, becoming southeast 10 to 15 knots after midnight. Seas 4 to 5 feet, occasionally to 6 feet. Intracoastal waters choppy. .SUNDAY...East winds 5 to 10 knots. Seas 4 to 5 feet, occasionally to 6 feet. Intracoastal waters light chop. .SUNDAY NIGHT...Northeast winds 5 to 10 knots. Seas 4 to 5 feet, occasionally to 6 feet. Intracoastal waters light chop. A slight chance of showers. .MONDAY AND MONDAY NIGHT...South winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Intracoastal waters choppy. A chance of showers with a slight chance of thunderstorms. .TUESDAY...Southwest winds 20 to 25 knots, becoming northwest. Seas 5 to 7 feet, occasionally to 9 feet. Intracoastal waters rough. A chance of showers in the morning, then showers likely with a slight chance of thunderstorms in the afternoon. A slight chance of showers in the evening. .WEDNESDAY...North winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Intracoastal waters a moderate chop. Winds and waves higher in and near thunderstorms. $$ AMZ450-470-290845- 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- 1231 PM EST Fri Nov 28 2025 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 11 PM EST THIS EVENING... .TONIGHT...North winds 15 to 20 knots becoming northeast and decreasing to 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: North 2 feet at 5 seconds. Intracoastal waters a moderate chop. .SATURDAY...East winds around 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Intracoastal waters a moderate chop. .SATURDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Intracoastal waters a moderate chop. A slight chance of showers in the evening. .SUNDAY...East winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Intracoastal waters light chop. .SUNDAY NIGHT...Northeast winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Intracoastal waters light chop. A slight chance of showers. .MONDAY...Northeast winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Intracoastal waters a moderate chop. A slight chance of showers. A slight chance of thunderstorms in the afternoon. .MONDAY NIGHT...East winds 10 to 15 knots, becoming south after midnight. Seas 4 to 5 feet, occasionally to 6 feet. Intracoastal waters a moderate chop. A chance of showers with a slight chance of thunderstorms. .TUESDAY...Southwest winds 15 to 20 knots, becoming northwest. Seas 5 to 7 feet, occasionally to 9 feet. Intracoastal waters choppy. Showers likely through the day. A slight chance of thunderstorms in the afternoon, then a slight chance of showers in the evening. .WEDNESDAY...North winds 10 to 15 knots, diminishing to 5 to 10 knots. Seas 3 to 5 feet, occasionally to 6 feet, subsiding to 2 to 3 feet. Intracoastal waters a moderate chop. Winds and waves higher in and near thunderstorms. $$