National Weather Service Marine Forecast FZUS52 KJAX

FZUS52 KJAX 240416
CWFJAX

Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
1216 AM EDT Wed Jun 24 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.

AMZ400-241930
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm
1216 AM EDT Wed Jun 24 2026

SYNOPSIS

A weak frontal boundary will drift south into the local waters Today which lead to a break in the offshore flow pattern through Thursday before weak offshore winds return this weekend. The Atlantic sea breeze development is likely to develop each day through the weekend along with southerly wind increases to Exercise Caution levels each evening beginning Friday.

GULF STREAM

The approximate location of the west wall of the Gulf Stream as of Jun 23, 2026 at 0000 UTC...

46 nautical miles east of Flagler Beach. 53 nautical miles east of Saint Augustine Beach. 64 nautical miles east southeast of Jacksonville Beach. 68 nautical miles east southeast of St Simons Island.

This data derived from NCEP Global RTOFS model.

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AMZ450-452-454-241930
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
1216 AM EDT Wed Jun 24 2026

REST OF TONIGHT
West winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: West 2 feet at 3 seconds. Intracoastal waters a moderate chop.

WEDNESDAY
Northwest winds 5 to 10 knots, becoming east in the afternoon. Seas around 2 feet. Wave Detail: Southeast 2 feet at 7 seconds. Intracoastal waters light chop.

WEDNESDAY NIGHT
South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 8 seconds. Intracoastal waters light chop.

THURSDAY
Southeast winds around 5 knots, increasing to 5 to 10 knots in the afternoon. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds and southeast 2 feet at 8 seconds. Intracoastal waters light chop. A slight chance of showers and thunderstorms in the afternoon.

THURSDAY NIGHT
South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds and southeast 2 feet at 8 seconds. Intracoastal waters light chop.

FRIDAY
Southwest winds 5 to 10 knots, becoming southeast 15 to 20 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. Intracoastal waters choppy. A slight chance of showers and thunderstorms in the afternoon.

FRIDAY NIGHT
South winds 10 to 15 knots, becoming southwest 5 to 10 knots after midnight. Seas 2 to 3 feet. Intracoastal waters a moderate chop.

SATURDAY
South winds 10 to 15 knots. Seas 2 to 3 feet. Intracoastal waters a moderate chop.

SUNDAY
Southwest winds 5 to 10 knots. Seas 2 to 3 feet. Intracoastal waters light chop. A slight chance of showers and thunderstorms in the evening.

Winds and waves higher in and near thunderstorms.

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AMZ470-472-474-241930
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
1216 AM EDT Wed Jun 24 2026

REST OF TONIGHT
West winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southwest 2 feet at 4 seconds and southeast 2 feet at 7 seconds. A slight chance of showers and thunderstorms.

WEDNESDAY
Northwest winds 5 to 10 knots, becoming northeast in the afternoon. Seas 2 to 3 feet. Wave Detail: Northwest 2 feet at 4 seconds and southeast 2 feet at 8 seconds.

WEDNESDAY NIGHT
South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 8 seconds.

THURSDAY
Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 8 seconds.

THURSDAY NIGHT
South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 4 seconds and southeast 2 feet at 8 seconds. A slight chance of showers and thunderstorms in the evening.

FRIDAY AND FRIDAY NIGHT
Southwest winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: South 3 feet at 5 seconds and southeast 3 feet at 8 seconds.

SATURDAY
Southwest winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet.

SUNDAY
Southwest winds 5 to 10 knots, increasing to 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers and thunderstorms in the evening.

Winds and seas higher in and near thunderstorms.