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National Weather Service Marine Forecast FZUS52 KJAX

FZUS52 KJAX 241829
CWFJAX

Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
229 PM EDT Mon Mar 24 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.

AMZ400-250930
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm
229 PM EDT Mon Mar 24 2025

SYNOPSIS

A cold front approaching our local waters from the northwest may develop isolated showers across our local waters through this evening. This front will stall near the Florida and Georgia border on Tuesday morning. Meanwhile, high pressure building over the Upper Midwest in the wake of this front on Tuesday will push southeastward by midweek, which will nudge the previously stalled frontal boundary southeastward across the northeast Florida waters. Northerly winds will strengthen on Wednesday night to near Caution levels across our local waters as high pressure strengthens over the southern Appalachians, followed by winds shifting to northeasterly by Thursday evening and then easterly on Friday as this high pressure center shifts off the southeastern seaboard. A few showers may develop by Saturday night across the northeast Florida waters as winds trend to a more southerly direction.

GULF STREAM

The approximate location of the west wall of the Gulf Stream as of Mar 22, 2025 at 1200 UTC...

64 nautical miles east of Flagler Beach. 73 nautical miles east of Saint Augustine Beach. 83 nautical miles east of Jacksonville Beach. 97 nautical miles east southeast of St Simons Island.

This data courtesy of the Naval Oceanographic Office.


AMZ450-452-454-250930
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
229 PM EDT Mon Mar 24 2025

TONIGHT
Southwest winds 5 to 10 knots, becoming northwest after midnight. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. Intracoastal waters mostly smooth. A slight chance of showers.

TUESDAY
North winds 5 to 10 knots, becoming east around 10 knots in the afternoon. Seas around 2 feet. Intracoastal waters becoming a light chop.

TUESDAY NIGHT
South winds 5 to 10 knots, becoming west northwest after midnight. Seas around 2 feet. Intracoastal waters mostly smooth.

WEDNESDAY
Northwest winds around 10 knots, becoming northeast in the afternoon. Seas around 2 feet. Wave Detail: Northeast 2 feet at 7 seconds. Intracoastal waters a light chop.

WEDNESDAY NIGHT
Northeast winds 5 to 10 knots, becoming north and increasing to around 15 knots after midnight. Seas building to 2 to 4 feet. Wave Detail: Northeast 3 feet at 5 seconds. Intracoastal waters becoming a moderate chop.

THURSDAY
North northeast winds around 15 knots, becoming northeast 10 to 15 knots during the afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 3 feet at 5 seconds. Intracoastal waters becoming a light chop.

THURSDAY NIGHT
Northeast winds 10 to 15 knots, becoming east and diminishing to around 10 knots after midnight. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 6 seconds. Intracoastal waters a light chop.

FRIDAY THROUGH SATURDAY
Southeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Intracoastal waters a light chop.


AMZ470-472-474-250930
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
229 PM EDT Mon Mar 24 2025

TONIGHT
Southwest winds 5 to 10 knots, becoming northwest after midnight. Seas around 2 feet. Wave Detail: Southwest 2 feet at 5 seconds. A slight chance of showers.

TUESDAY
North winds 5 to 10 knots, becoming east in the afternoon. Seas around 2 feet. Wave Detail: Northwest 2 feet at 4 seconds.

TUESDAY NIGHT
South winds 5 to 10 knots, becoming west after midnight. Seas around 2 feet. Wave Detail: Southwest 2 feet at 4 seconds.

WEDNESDAY
Northwest winds around 10 knots, becoming northeast in the afternoon. Seas around 2 feet. Wave Detail: Northwest 2 feet at 3 seconds and east 2 feet at 9 seconds.

WEDNESDAY NIGHT
Northeast winds 5 to 10 knots, becoming north and increasing to around 15 knots after midnight. Seas building to 3 to 4 feet, occasionally to 5 feet. Wave Detail: North 4 feet at 4 seconds.

THURSDAY
North northeast winds around 15 knots, becoming northeast 10 to 15 knots during the afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: North 4 feet at 4 seconds.

THURSDAY NIGHT
East northeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 4 feet at 6 seconds.

FRIDAY THROUGH SATURDAY
Southeast winds 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet.