Coastal Waters Forecast
Issued by NWS Jacksonville, FL

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967
FZUS52 KJAX 111421
CWFJAX

Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
1021 AM EDT Tue Mar 11 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.

AMZ400-112200-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
1021 AM EDT Tue Mar 11 2025

.SYNOPSIS...

Winds and seas subside today as high pressure builds eastward
across the Florida peninsula. The high extends across central
Florida Wednesday into Thursday as a weak front approaches from
the west and begins to stall across south Georgia. This front will
lift northward as a warm front late Friday into Saturday, as a
stronger frontal system approaches from the west. Small Craft
Advisory conditions develop Saturday as southerly winds increase
with the approach of the next front. Showers and storms preceded
the frontal passage Sunday, then the front slowly settles south of
the local waters through early Monday.


.GULF STREAM...

The approximate location of the west wall of the Gulf Stream as of
Mar 08, 2025 at 1200 UTC...

 57 nautical miles east of Flagler Beach.
 66 nautical miles east of Saint Augustine Beach.
 82 nautical miles east of Jacksonville Beach.
 97 nautical miles east southeast of St Simons Island.

This data courtesy of the Naval Oceanographic Office.


$$

AMZ450-452-454-112200-
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-
1021 AM EDT Tue Mar 11 2025

...SMALL CRAFT EXERCISE CAUTION...

.REST OF TODAY...Northwest winds 15 to 20 knots, diminishing to
5 to 10 knots this afternoon. Seas 3 to 5 feet, occasionally to
6 feet. Wave Detail: Northwest 3 feet at 4 seconds. Intracoastal
waters choppy.
.TONIGHT...West winds around 5 knots, increasing to 5 to 10 knots
after midnight. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet
at 9 seconds. Intracoastal waters light chop.
.WEDNESDAY...West winds around 5 knots, becoming southeast in the
afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail:
East 4 feet at 10 seconds. Intracoastal waters light chop.
.WEDNESDAY NIGHT...South winds around 10 knots, becoming
southwest after midnight. Seas 2 to 4 feet, occasionally to
5 feet. Wave Detail: East 4 feet at 10 seconds and south 2 feet
at 3 seconds. Intracoastal waters light chop.
.THURSDAY...Southwest winds around 5 knots, becoming south in the
afternoon. Seas 2 to 3 feet. Wave Detail: East 3 feet at
9 seconds. Intracoastal waters light chop.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots, becoming west
after midnight. Seas around 2 feet. Wave Detail: East 2 feet at
8 seconds. Intracoastal waters light chop.
.FRIDAY...Northeast winds 5 to 10 knots, becoming southeast. Seas
2 to 3 feet. Intracoastal waters light chop.
.SATURDAY...Southeast winds 15 to 20 knots, becoming south 20 to
25 knots. Seas 2 to 3 feet, building to 4 to 6 feet, occasionally
to 8 feet. Intracoastal waters rough. A slight chance of showers
after midnight.

$$

AMZ470-472-474-112200-
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-
1021 AM EDT Tue Mar 11 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON...

.REST OF TODAY...Northwest winds 20 to 25 knots, diminishing to
10 to 15 knots this afternoon. Seas 5 to 7 feet, occasionally to
9 feet. Wave Detail: Northwest 5 feet at 5 seconds and northeast
2 feet at 9 seconds.
.TONIGHT...West winds 5 to 10 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: Northeast 4 feet at
9 seconds and northwest 2 feet at 4 seconds.
.WEDNESDAY...West winds around 5 knots, becoming south in the
afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail:
Northeast 5 feet at 10 seconds.
.WEDNESDAY NIGHT...South winds 10 to 15 knots, becoming southwest
after midnight. Seas 3 to 4 feet, occasionally to 5 feet. Wave
Detail: Northeast 4 feet at 10 seconds and south 2 feet at
3 seconds.
.THURSDAY...Southwest winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: Northeast 3 feet at 8 seconds and south 2 feet at
4 seconds.
.THURSDAY NIGHT...Southwest winds 10 to 15 knots, becoming west
5 to 10 knots after midnight. Seas 2 to 3 feet. Wave Detail:
South 2 feet at 4 seconds and northeast 2 feet at 8 seconds. A
slight chance of showers in the evening.
.FRIDAY...Northeast winds 5 to 10 knots, becoming southeast 10 to
15 knots. Seas 2 to 3 feet.
.SATURDAY...South winds 15 to 20 knots, increasing to 20 to
25 knots. Seas 3 to 4 feet, occasionally to 5 feet, building to
7 to 8 feet, occasionally to 10 feet.

$$