Coastal Waters Forecast
Issued by NWS Jacksonville, FL

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
790
FZUS52 KJAX 111820
CWFJAX

Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
220 PM EDT Fri Apr 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.

AMZ400-120915-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
220 PM EDT Fri Apr 11 2025

.SYNOPSIS...

Scattered showers and thunderstorms will develop late this
afternoon and push into the waters through the evening along a
cold front. Offshore winds will shift northwesterly later tonight
in the wake of this front and will become breezy on Saturday;
small craft are urged to exercise caution, especially in offshore
waters. High pressure will continue to build through the weekend
behind the front before it shifts east as another cold front
approaches and eventually passes Tuesday night.



.GULF STREAM...

The approximate location of the west wall of the Gulf Stream as of
Apr 10, 2025 at 1200 UTC...

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

This data courtesy of the Naval Oceanographic Office.


$$

AMZ450-452-454-120915-
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-
220 PM EDT Fri Apr 11 2025

.TONIGHT...Northwest winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Northwest 3 feet at
4 seconds and east 3 feet at 8 seconds. Intracoastal waters a
moderate chop. A chance of showers and thunderstorms this
evening.
.SATURDAY...North winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: North 3 feet at 4 seconds
and northeast 3 feet at 7 seconds. Intracoastal waters a moderate
chop.
.SATURDAY NIGHT...Northwest winds 5 to 10 knots. Seas 2 to
3 feet. Wave Detail: North 3 feet at 6 seconds. Intracoastal
waters light chop.
.SUNDAY...North winds 5 to 10 knots, becoming east in the
afternoon. Seas 2 to 3 feet. Wave Detail: North 2 feet at
4 seconds and northeast 2 feet at 8 seconds. Intracoastal waters
light chop.
.SUNDAY NIGHT AND MONDAY...South winds 5 to 10 knots. Seas 2 to
3 feet. Wave Detail: Northeast 2 feet at 7 seconds. Intracoastal
waters light chop.
.MONDAY NIGHT...South winds around 10 knots, becoming west after
midnight. Seas 2 to 3 feet. Wave Detail: South 2 feet at
3 seconds and east 2 feet at 7 seconds. Intracoastal waters light
chop.
.TUESDAY THROUGH WEDNESDAY...East winds 15 to 20 knots. Seas 2 to
4 feet, occasionally to 5 feet. Intracoastal waters choppy.

Winds and waves higher in and near thunderstorms.

$$

AMZ470-472-474-120915-
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-
220 PM EDT Fri Apr 11 2025

.TONIGHT...Northwest winds 10 to 15 knots, increasing to 15 to
20 knots after midnight. Seas 3 to 4 feet, occasionally to
5 feet. Wave Detail: East 4 feet at 8 seconds and northwest
3 feet at 4 seconds. A chance of showers and thunderstorms this
evening.
.SATURDAY...North winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Northwest 3 feet at
5 seconds and east 3 feet at 7 seconds. A slight chance of
showers in the morning.
.SATURDAY NIGHT...Northwest winds around 10 knots. Seas 3 to
4 feet, occasionally to 5 feet. Wave Detail: North 3 feet at
5 seconds and northeast 3 feet at 8 seconds.
.SUNDAY...North winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: Northeast 3 feet at 8 seconds and north 2 feet at
4 seconds.
.SUNDAY NIGHT AND MONDAY...South winds 10 to 15 knots. Seas 2 to
3 feet. Wave Detail: Northeast 3 feet at 7 seconds and southwest
2 feet at 3 seconds.
.MONDAY NIGHT...South winds 10 to 15 knots, becoming southwest
after midnight. Seas 3 to 4 feet, occasionally to 5 feet. Wave
Detail: South 3 feet at 4 seconds and northeast 3 feet at
8 seconds.
.TUESDAY THROUGH WEDNESDAY...Northeast winds 15 to 20 knots. Seas
2 to 4 feet, occasionally to 5 feet.

Winds and seas higher in and near thunderstorms.

$$