National Weather Service Marine Forecast FZUS52 KJAX

FZUS52 KJAX 072224
CWFJAX

Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
624 PM EDT Thu May 7 2026

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.

AMZ400-081330
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm
624 PM EDT Thu May 7 2026

SYNOPSIS

A cold front will slide south across the area Tonight. The front will stall over NE FL through the weekend. A cold front will move southeast across the area early next week. A high pressure ridge will build to the north Tuesday, then to the northeast mid week.

GULF STREAM

The approximate location of the west wall of the Gulf Stream as of May 07, 2026 at 0000 UTC...

50 nautical miles east of Flagler Beach. 58 nautical miles east of Saint Augustine Beach. 70 nautical miles east southeast of Jacksonville Beach. 76 nautical miles east southeast of St Simons Island.

This data derived from NCEP Global RTOFS model.

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AMZ450-452-454-081330
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
624 PM EDT Thu May 7 2026

TONIGHT
West winds 10 to 15 knots, becoming northwest 5 to 10 knots after midnight. Seas 2 to 3 feet. Wave Detail: Southwest 2 feet at 4 seconds and southeast 2 feet at 7 seconds. Intracoastal waters a moderate chop. A slight chance of showers.

FRIDAY
Northeast winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Northeast 2 feet at 5 seconds. Intracoastal waters a moderate chop.

FRIDAY NIGHT
East winds 5 to 10 knots, becoming south after midnight. Seas around 2 feet. Wave Detail: Northeast 2 feet at 5 seconds. Intracoastal waters light chop. A chance of showers with a slight chance of thunderstorms after midnight.

SATURDAY
South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 6 seconds. Intracoastal waters light chop. A chance of showers with a slight chance of thunderstorms in the morning, then showers with a chance of thunderstorms in the afternoon.

SATURDAY NIGHT
South winds 5 to 10 knots, becoming southwest after midnight. Seas around 2 feet. Wave Detail: Northeast 2 feet at 7 seconds. Intracoastal waters light chop. A chance of showers with a slight chance of thunderstorms.

SUNDAY
Southwest winds 5 to 10 knots, becoming southeast in the afternoon. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds and east 2 feet at 8 seconds. Intracoastal waters light chop. Showers likely with a slight chance of thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon.

SUNDAY NIGHT
Southwest winds 5 to 10 knots. Seas around 2 feet. Intracoastal waters light chop. A chance of showers and thunderstorms in the evening, then a slight chance of showers after midnight.

MONDAY
West winds around 10 knots, becoming north 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Intracoastal waters choppy. A chance of showers in the morning. A chance of thunderstorms through the day. Showers likely in the afternoon, then a slight chance of showers and thunderstorms in the evening.

TUESDAY
Northeast winds 15 to 20 knots, becoming east. Seas 3 to 5 feet, occasionally to 6 feet. Intracoastal waters choppy.

Winds and waves higher in and near thunderstorms.

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AMZ470-472-474-081330
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
624 PM EDT Thu May 7 2026

TONIGHT
West winds 10 to 15 knots, becoming northwest after midnight. Seas 2 to 3 feet. Wave Detail: Southwest 2 feet at 4 seconds and east 2 feet at 7 seconds. A slight chance of showers after midnight.

FRIDAY
Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Northwest 2 feet at 4 seconds and east 2 feet at 7 seconds.

FRIDAY NIGHT
East winds around 10 knots, becoming south after midnight. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at 6 seconds. A chance of showers with a slight chance of thunderstorms after midnight.

SATURDAY
South winds around 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 4 seconds and northeast 2 feet at 7 seconds. Showers likely with a slight chance of thunderstorms in the morning, then showers with a chance of thunderstorms in the afternoon.

SATURDAY NIGHT
South winds around 10 knots, becoming southwest after midnight. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 4 seconds and east 2 feet at 8 seconds. A slight chance of thunderstorms in the evening. A chance of showers.

SUNDAY AND SUNDAY NIGHT
Southwest winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: South 2 feet at 5 seconds and east 2 feet at 8 seconds. A chance of showers and thunderstorms.

MONDAY
West winds 10 to 15 knots, becoming north 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. A chance of showers in the morning. A chance of thunderstorms through the day. Showers likely in the afternoon, then a chance of showers with a slight chance of thunderstorms in the evening. A slight chance of showers after midnight.

TUESDAY
Northeast winds 15 to 20 knots, becoming east. Seas 4 to 6 feet, occasionally to 8 feet.

Winds and seas higher in and near thunderstorms.