Coastal Waters Forecast
Issued by NWS Jacksonville, FL

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FZUS52 KJAX 171801
CWFJAX

Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
201 PM EDT Thu Apr 17 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.

AMZ400-180915-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
201 PM EDT Thu Apr 17 2025

.SYNOPSIS...

High pressure over area waters will shift towards northeast of
the area late today. The high will remain centered to the
northeast Friday into Saturday, then to the east on Sunday. A
frontal system will settle southward across the region mid week
next week.

.GULF STREAM...

The approximate location of the west wall of the Gulf Stream as of
Apr 15, 2025 at 1200 UTC...

 43 nautical miles east of Flagler Beach.
 53 nautical miles east of Saint Augustine Beach.
 65 nautical miles east southeast of Jacksonville Beach.
 89 nautical miles east southeast of St Simons Island.

This data courtesy of the Naval Oceanographic Office.


$$

AMZ450-452-454-180915-
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-
201 PM EDT Thu Apr 17 2025

.TONIGHT...Southeast winds around 10 knots. Seas 2 to 3 feet.
Wave Detail: Northeast 2 feet at 6 seconds. Intracoastal waters
light chop.
.FRIDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: East 3 feet at 6 seconds. Intracoastal waters a moderate
chop.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: East 4 feet at 6 seconds.
Intracoastal waters a moderate chop.
.SATURDAY...Southeast winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: Southeast 4 feet at
6 seconds. Intracoastal waters a moderate chop.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...South winds 10 to
15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail:
Southeast 4 feet at 6 seconds. Intracoastal waters a moderate
chop.
.MONDAY THROUGH TUESDAY...South winds 10 to 15 knots. Seas 2 to
4 feet, occasionally to 5 feet. Wave Detail: Southeast 3 feet at
8 seconds. Intracoastal waters a moderate chop.

$$

AMZ470-472-474-180915-
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-
201 PM EDT Thu Apr 17 2025

.TONIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: East 2 feet at 5 seconds.
.FRIDAY...Southeast winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: East 4 feet at 6 seconds.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: East 4 feet at 6 seconds.
.SATURDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Southeast 4 feet at
6 seconds.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...South winds 10 to
15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail:
Southeast 4 feet at 6 seconds.
.MONDAY THROUGH TUESDAY...South winds 10 to 15 knots. Seas 3 to
4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at
8 seconds.

$$