295
FZUS52 KJAX 170619
CWFJAX

Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
219 AM EDT Tue Jun 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.

AMZ400-172130-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
219 AM EDT Tue Jun 17 2025

.SYNOPSIS...

The Atlantic high pressure ridge will continue to extend its axis
westward across the Florida peninsula this week, keeping a
prevailing south to southwest wind flow across our area. A few
thunderstorms may impact our local waters during the late afternoon
and evening hours, with isolated strong storms possible, bringing
briefly gusty winds, frequent lightning strikes, and torrential
downpours. Rain chances will remain low for the local waters
Wednesday and Thursday. A weak front enters the southeast states
late this week, resulting in increasing chances for afternoon and
evening thunderstorms by Friday and Saturday.

.GULF STREAM...

The approximate location of the west wall of the Gulf Stream as of
Jun 14, 2025 at 1200 UTC...

 64 nautical miles east of Flagler Beach.
 74 nautical miles east of Saint Augustine Beach.
 89 nautical miles east of Jacksonville Beach.
 99 nautical miles east of St Simons Island.

This data courtesy of the Naval Oceanographic Office.

$$

AMZ450-452-454-172130-
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-
219 AM EDT Tue Jun 17 2025

.TODAY...South winds 5 to 10 knots, becoming southeast 10 to
15 knots this afternoon. Seas 2 to 3 feet. Wave Detail: Southeast
3 feet at 5 seconds and southeast 2 feet at 8 seconds.
Intracoastal waters a moderate chop. A slight chance of showers
and thunderstorms this afternoon.
.TONIGHT...South winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. Seas 2 to 3 feet. Wave Detail: Southeast
3 feet at 5 seconds. Intracoastal waters choppy. A slight chance
of showers and thunderstorms in the evening.
.WEDNESDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 5 seconds. Intracoastal waters a
moderate chop. A slight chance of showers and thunderstorms in
the afternoon.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 3 feet at 4 seconds. Intracoastal waters a
moderate chop.
.THURSDAY...South winds 5 to 10 knots, becoming southeast 10 to
15 knots in the afternoon. Seas around 2 feet. Wave Detail:
Southeast 2 feet at 5 seconds and east 2 feet at 8 seconds.
Intracoastal waters a moderate chop. A chance of showers and
thunderstorms in the afternoon.
.THURSDAY NIGHT...South winds 10 to 15 knots, becoming southwest
5 to 10 knots after midnight. Seas 2 to 3 feet. Wave Detail:
Southeast 2 feet at 4 seconds. Intracoastal waters a moderate
chop. A chance of showers and thunderstorms.
.FRIDAY THROUGH SATURDAY...South winds 10 to 15 knots. Seas
around 2 feet. Intracoastal waters a moderate chop. A chance of
showers and thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

AMZ470-472-474-172130-
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-
219 AM EDT Tue Jun 17 2025

.TODAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 8 seconds and south 2 feet at
5 seconds.
.TONIGHT...South winds 15 to 20 knots, becoming 10 to 15 knots
late. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail:
South 3 feet at 5 seconds and southeast 2 feet at 8 seconds.
.WEDNESDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: South 3 feet at 4 seconds and southeast 3 feet at
8 seconds.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: South 3 feet at 4 seconds and east 2 feet at
8 seconds.
.THURSDAY...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. A slight chance of
thunderstorms in the afternoon.
.THURSDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 3 feet at 8 seconds and southeast 2 feet
at 4 seconds. A chance of showers with a slight chance of
thunderstorms.
.FRIDAY THROUGH SATURDAY...South winds 5 to 10 knots. Seas 2 to
3 feet. A chance of showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

$$