Coastal Waters Forecast
Issued by NWS Jacksonville, FL

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944
FZUS52 KJAX 140517
CWFJAX

Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
117 AM EDT Mon Jul 14 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.

AMZ400-142030-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
117 AM EDT Mon Jul 14 2025

.SYNOPSIS...

Troughing developing over the Gulf Stream waters this morning will
shift slowly westward this afternoon, crossing our local waters
tonight. Showers and thunderstorms will then increase in coverage on
Tuesday and Wednesday as troughing shifts westward across the
Florida peninsula and into the eastern Gulf, with low pressure
potentially organizing later in the week near the northern Gulf
coast. Prevailing northeasterly winds today will shift to southerly
by late Tuesday as troughing shifts west of our local waters, with
south-southeasterly winds briefly strengthening to Caution levels
near shore on Wednesday afternoon. Rounds of showers and
thunderstorms will continue through late in the week as southerly
winds prevail.


.GULF STREAM...

The approximate location of the west wall of the Gulf Stream as of
Jul 12, 2025 at 1200 UTC...

 56 nautical miles east northeast of Flagler Beach.
 59 nautical miles east of Saint Augustine Beach.
 70 nautical miles east of Jacksonville Beach.
 90 nautical miles east southeast of St Simons Island.

This data courtesy of the Naval Oceanographic Office.


$$

AMZ450-452-454-142030-
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-
117 AM EDT Mon Jul 14 2025

.REST OF TONIGHT...West winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Southeast 2 feet at 8 seconds. Intracoastal waters
light chop. A slight chance of thunderstorms late this evening. A
slight chance of showers.
.MONDAY...North winds 5 to 10 knots, becoming northeast in the
afternoon. Seas around 2 feet. Wave Detail: East 2 feet at
8 seconds. Intracoastal waters light chop. A slight chance of
thunderstorms. A slight chance of showers in the morning, then a
chance of showers in the afternoon.
.MONDAY NIGHT...Northeast winds 5 to 10 knots. Seas around
2 feet. Wave Detail: Northeast 2 feet at 5 seconds. Intracoastal
waters light chop. A slight chance of showers.
.TUESDAY...East winds 5 to 10 knots, becoming southeast in the
afternoon. Seas around 2 feet. Wave Detail: East 2 feet at
5 seconds. Intracoastal waters light chop. A chance of
thunderstorms. A chance of showers in the morning, then showers
likely in the afternoon.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to
3 feet. Wave Detail: Southeast 3 feet at 5 seconds. Intracoastal
waters a moderate chop. A chance of showers with a slight chance
of thunderstorms in the evening, then a slight chance of showers
after midnight.
.WEDNESDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 3 feet at 6 seconds. Intracoastal waters a
moderate chop. A chance of showers with a slight chance of
thunderstorms in the morning, then showers likely with a chance
of thunderstorms in the afternoon.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
Intracoastal waters a moderate chop. A slight chance of
thunderstorms in the evening. A slight chance of showers.
.THURSDAY...South winds 10 to 15 knots. Seas 2 to 3 feet.
Intracoastal waters a moderate chop. A chance of showers with a
slight chance of thunderstorms in the morning, then showers
likely with a chance of thunderstorms in the afternoon. A slight
chance of showers and thunderstorms in the evening.
.FRIDAY...South winds 5 to 10 knots. Seas 2 to 3 feet.
Intracoastal waters light chop. A slight chance of showers and
thunderstorms in the morning, then a chance of showers and
thunderstorms in the afternoon. A slight chance of showers and
thunderstorms in the evening.

Winds and waves higher in and near thunderstorms.

$$

AMZ470-472-474-142030-
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-
117 AM EDT Mon Jul 14 2025

.REST OF TONIGHT...West winds around 10 knots. Seas 2 to 3 feet.
Wave Detail: West 2 feet at 3 seconds and southeast 2 feet at
8 seconds. A slight chance of thunderstorms. A chance of showers
late this evening, then a slight chance of showers.
.MONDAY...North 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 8 seconds. A slight chance of
thunderstorms. A chance of showers, mainly in the morning.
.MONDAY NIGHT...Northeast winds around 10 knots. Seas around
2 feet. Wave Detail: Northeast 2 feet at 6 seconds. A slight
chance of showers in the evening, then a chance of showers with a
slight chance of thunderstorms after midnight.
.TUESDAY...Southeast winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: East 2 feet at 6 seconds. A chance of thunderstorms.
Showers likely, mainly in the morning.
.TUESDAY NIGHT AND WEDNESDAY...Southeast winds 10 to 15 knots.
Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds.
Showers likely with a chance of thunderstorms.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. Seas around
3 feet. Wave Detail: Southeast 3 feet at 5 seconds. A chance of
showers with a slight chance of thunderstorms.
.THURSDAY...South winds 10 to 15 knots. Seas around 3 feet. A
chance of showers.
.FRIDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. A slight
chance of thunderstorms. A chance of showers, mainly in the
morning.

Winds and seas higher in and near thunderstorms.

$$