FZUS52 KJAX 211734
CWFJAX
Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
134 PM EDT Wed May 21 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.
AMZ400-220930-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
134 PM EDT Wed May 21 2025
.SYNOPSIS...
A cold front will move southeast across the area Tonight. Showers
and strong thunderstorms will accompany this boundary. Weak high
pressure will build to the northwest overnight into Thursday. A
weak front will pass through Friday into Friday night. High
pressure will build to the northwest Saturday, then to the
northeast Sunday. High pressure will build east of the waters
early next week with southerly flow developing. Small craft
advisory conditions are not expected through the holiday weekend.
.GULF STREAM...
The approximate location of the west wall of the Gulf Stream as of
May 20, 2025 at 1200 UTC...
57 nautical miles east of Flagler Beach.
59 nautical miles east of Saint Augustine Beach.
72 nautical miles east southeast of Jacksonville Beach.
101 nautical miles east of St Simons Island.
This data courtesy of the Naval Oceanographic Office.
$$
AMZ450-452-454-220930-
Coastal waters from Altamaha Sound to Fernandina Beach FL out
20 NM-
Coastal waters from Fernandina Beach to St. Augustine FL out
20 NM-
Coastal waters from St. Augustine to Flagler Beach FL out 20 NM-
134 PM EDT Wed May 21 2025
.TONIGHT...West winds 10 to 15 knots, becoming northwest after
midnight. Seas 2 to 3 feet. Wave Detail: West 2 feet at
4 seconds. Intracoastal waters a moderate chop.
.THURSDAY...North winds 10 to 15 knots, becoming southeast 5 to
10 knots in the afternoon. Seas 2 to 3 feet. Wave Detail:
Northwest 2 feet at 4 seconds and east 2 feet at 8 seconds.
Intracoastal waters a moderate chop.
.THURSDAY NIGHT...South winds around 10 knots, becoming southwest
after midnight. Seas around 2 feet. Wave Detail: South 2 feet at
3 seconds and east 2 feet at 8 seconds. Intracoastal waters light
chop.
.FRIDAY...Northwest winds 5 to 10 knots, becoming southeast in
the afternoon. Seas around 2 feet. Wave Detail: East 2 feet at
8 seconds. Intracoastal waters light chop.
.FRIDAY NIGHT...South winds around 10 knots, becoming west after
midnight. Seas around 2 feet. Wave Detail: Southeast 2 feet at
3 seconds and east 2 feet at 8 seconds. Intracoastal waters light
chop.
.SATURDAY AND SATURDAY NIGHT...Southeast winds around 10 knots.
Seas around 2 feet. Wave Detail: North 2 feet at 4 seconds and
east 2 feet at 9 seconds. Intracoastal waters light chop.
.SUNDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
Intracoastal waters a moderate chop.
.MONDAY...South winds 10 to 15 knots. Seas 2 to 3 feet.
Intracoastal waters a moderate chop. A slight chance of showers
in the afternoon. A slight chance of thunderstorms. A chance of
showers in the evening, then a slight chance of showers after
midnight.
Winds and waves higher in and near thunderstorms.
$$
AMZ470-472-474-220930-
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-
134 PM EDT Wed May 21 2025
.TONIGHT...West winds around 15 knots, becoming northwest after
midnight. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail:
West 3 feet at 4 seconds and east 2 feet at 9 seconds. A slight
chance of showers and thunderstorms this evening.
.THURSDAY...North winds 10 to 15 knots, becoming northwest 5 to
10 knots in the afternoon. Seas 2 to 4 feet, occasionally to
5 feet. Wave Detail: Northwest 3 feet at 4 seconds and east
2 feet at 9 seconds.
.THURSDAY NIGHT...South winds 5 to 10 knots, becoming southwest
10 to 15 knots after midnight. Seas 2 to 3 feet. Wave Detail:
Southwest 2 feet at 4 seconds and east 2 feet at 9 seconds.
.FRIDAY...Northwest winds 5 to 10 knots, becoming southeast in
the afternoon. Seas 2 to 3 feet. Wave Detail: Southwest 2 feet at
3 seconds and east 2 feet at 8 seconds.
.FRIDAY 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 9 seconds.
.SATURDAY AND SATURDAY NIGHT...Southeast winds 5 to 10 knots.
Seas 2 to 3 feet. Wave Detail: Northwest 2 feet at 3 seconds and
east 2 feet at 9 seconds.
.SUNDAY...Southeast winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. A slight chance of showers through the
night.
.MONDAY...South winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. A slight chance of showers through the
day. A slight chance of thunderstorms. A chance of showers
through the night.
Winds and seas higher in and near thunderstorms.
$$
CWFJAX
Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
134 PM EDT Wed May 21 2025
Atlantic Coastal Waters from Altamaha Sound GA to Flagler Beach
FL out to 60 nm.
Seas are provided as a range of the average height of the highest
1/3 of the waves, along with the occasional height of the average
highest 1/10 of the waves.
AMZ400-220930-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
134 PM EDT Wed May 21 2025
.SYNOPSIS...
A cold front will move southeast across the area Tonight. Showers
and strong thunderstorms will accompany this boundary. Weak high
pressure will build to the northwest overnight into Thursday. A
weak front will pass through Friday into Friday night. High
pressure will build to the northwest Saturday, then to the
northeast Sunday. High pressure will build east of the waters
early next week with southerly flow developing. Small craft
advisory conditions are not expected through the holiday weekend.
.GULF STREAM...
The approximate location of the west wall of the Gulf Stream as of
May 20, 2025 at 1200 UTC...
57 nautical miles east of Flagler Beach.
59 nautical miles east of Saint Augustine Beach.
72 nautical miles east southeast of Jacksonville Beach.
101 nautical miles east of St Simons Island.
This data courtesy of the Naval Oceanographic Office.
$$
AMZ450-452-454-220930-
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-
134 PM EDT Wed May 21 2025
.TONIGHT...West winds 10 to 15 knots, becoming northwest after
midnight. Seas 2 to 3 feet. Wave Detail: West 2 feet at
4 seconds. Intracoastal waters a moderate chop.
.THURSDAY...North winds 10 to 15 knots, becoming southeast 5 to
10 knots in the afternoon. Seas 2 to 3 feet. Wave Detail:
Northwest 2 feet at 4 seconds and east 2 feet at 8 seconds.
Intracoastal waters a moderate chop.
.THURSDAY NIGHT...South winds around 10 knots, becoming southwest
after midnight. Seas around 2 feet. Wave Detail: South 2 feet at
3 seconds and east 2 feet at 8 seconds. Intracoastal waters light
chop.
.FRIDAY...Northwest winds 5 to 10 knots, becoming southeast in
the afternoon. Seas around 2 feet. Wave Detail: East 2 feet at
8 seconds. Intracoastal waters light chop.
.FRIDAY NIGHT...South winds around 10 knots, becoming west after
midnight. Seas around 2 feet. Wave Detail: Southeast 2 feet at
3 seconds and east 2 feet at 8 seconds. Intracoastal waters light
chop.
.SATURDAY AND SATURDAY NIGHT...Southeast winds around 10 knots.
Seas around 2 feet. Wave Detail: North 2 feet at 4 seconds and
east 2 feet at 9 seconds. Intracoastal waters light chop.
.SUNDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
Intracoastal waters a moderate chop.
.MONDAY...South winds 10 to 15 knots. Seas 2 to 3 feet.
Intracoastal waters a moderate chop. A slight chance of showers
in the afternoon. A slight chance of thunderstorms. A chance of
showers in the evening, then a slight chance of showers after
midnight.
Winds and waves higher in and near thunderstorms.
$$
AMZ470-472-474-220930-
Waters from Altamaha Sound GA to Fernandina Beach FL from 20 to
60 NM-
Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM-
Waters from St. Augustine to Flagler Beach FL from 20 to 60 NM-
134 PM EDT Wed May 21 2025
.TONIGHT...West winds around 15 knots, becoming northwest after
midnight. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail:
West 3 feet at 4 seconds and east 2 feet at 9 seconds. A slight
chance of showers and thunderstorms this evening.
.THURSDAY...North winds 10 to 15 knots, becoming northwest 5 to
10 knots in the afternoon. Seas 2 to 4 feet, occasionally to
5 feet. Wave Detail: Northwest 3 feet at 4 seconds and east
2 feet at 9 seconds.
.THURSDAY NIGHT...South winds 5 to 10 knots, becoming southwest
10 to 15 knots after midnight. Seas 2 to 3 feet. Wave Detail:
Southwest 2 feet at 4 seconds and east 2 feet at 9 seconds.
.FRIDAY...Northwest winds 5 to 10 knots, becoming southeast in
the afternoon. Seas 2 to 3 feet. Wave Detail: Southwest 2 feet at
3 seconds and east 2 feet at 8 seconds.
.FRIDAY NIGHT...South winds around 10 knots, becoming west after
midnight. Seas 2 to 3 feet. Wave Detail: South 2 feet at
3 seconds and east 2 feet at 9 seconds.
.SATURDAY AND SATURDAY NIGHT...Southeast winds 5 to 10 knots.
Seas 2 to 3 feet. Wave Detail: Northwest 2 feet at 3 seconds and
east 2 feet at 9 seconds.
.SUNDAY...Southeast winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. A slight chance of showers through the
night.
.MONDAY...South winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. A slight chance of showers through the
day. A slight chance of thunderstorms. A chance of showers
through the night.
Winds and seas higher in and near thunderstorms.
$$