FZUS52 KJAX 281217
CWFJAX
Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
717 AM EST Sun Dec 28 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.
AMZ400-290330-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
717 AM EST Sun Dec 28 2025
.SYNOPSIS...
High pressure will remain centered over the Florida peninsula today.
High pressure will then weaken and slide southward later tonight
ahead of a strong cold front. West-southwest winds increase to
Caution levels on Monday ahead of the approaching cold front. Winds
shift to northwest and strengthen to Small Craft Advisory levels
Monday night into Tuesday in the wake of the frontal passage. West
northwest winds continue for much of next week as high pressure
builds eastward along the northern Gulf coast.
.GULF STREAM...
The approximate location of the west wall of the Gulf Stream as of
Dec 27, 2025 at 0000 UTC...
50 nautical miles east of Flagler Beach.
53 nautical miles east of Saint Augustine Beach.
64 nautical miles east southeast of Jacksonville Beach.
71 nautical miles east southeast of St Simons Island.
This data derived from NCEP Global RTOFS model.
$$
AMZ450-452-454-290330-
Coastal waters from Altamaha Sound to Fernandina Beach FL out
20 NM-
Coastal waters from Fernandina Beach to St. Augustine FL out
20 NM-
Coastal waters from St. Augustine to Flagler Beach FL out 20 NM-
717 AM EST Sun Dec 28 2025
...DENSE FOG ADVISORY IN EFFECT UNTIL NOON EST TODAY...
.REST OF TODAY...West winds around 5 knots, becoming south this
afternoon. Seas 2 to 3 feet. Wave Detail: East 3 feet at
11 seconds. Intracoastal waters smooth. Areas of fog this
morning. Patchy dense fog this afternoon. Visibility 1 NM or
less.
.TONIGHT...South winds 5 to 10 knots, becoming southwest after
midnight. Seas 2 to 3 feet. Wave Detail: Southwest 2 feet at
3 seconds and east 2 feet at 11 seconds. Intracoastal waters
light chop. Patchy dense fog in the evening. Patchy fog after
midnight. Visibility 1 NM or less in the evening.
.MONDAY...Southwest winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: East 3 feet at 13 seconds
and southwest 2 feet at 3 seconds. Intracoastal waters a moderate
chop. A slight chance of showers in the afternoon.
.MONDAY NIGHT...Northwest winds 20 to 25 knots. Seas 4 to 6 feet,
occasionally to 8 feet. Wave Detail: Northwest 5 feet at
5 seconds and east 3 feet at 12 seconds. Intracoastal waters
rough.
.TUESDAY...Northwest winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. Seas 4 to 6 feet, occasionally to
8 feet. Wave Detail: North 5 feet at 5 seconds and northeast
2 feet at 10 seconds. Intracoastal waters choppy.
.TUESDAY NIGHT...Northwest winds 10 to 15 knots. Seas 2 to
4 feet, occasionally to 5 feet. Wave Detail: North 3 feet at
5 seconds and northeast 2 feet at 10 seconds. Intracoastal waters
a moderate chop.
.WEDNESDAY THROUGH THURSDAY...West winds 10 to 15 knots. Seas
2 to 3 feet. Intracoastal waters a moderate chop.
$$
AMZ470-472-474-290330-
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-
717 AM EST Sun Dec 28 2025
.REST OF TODAY...West winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: Northeast 3 feet at 11 seconds. Areas of fog this
morning. Patchy dense fog this afternoon. Visibility 1 NM or
less.
.TONIGHT...Southwest winds 5 to 10 knots, increasing to 10 to
15 knots after midnight. Seas 2 to 4 feet, occasionally to
5 feet. Wave Detail: Southwest 3 feet at 3 seconds and east
3 feet at 11 seconds. Patchy fog in the evening with visibility
1 NM or less.
.MONDAY...Southwest winds 15 to 20 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: Southwest 4 feet at
4 seconds and northeast 4 feet at 12 seconds. A slight chance of
showers in the afternoon.
.MONDAY NIGHT...Northwest winds 20 to 25 knots. Seas 5 to 7 feet,
occasionally to 9 feet. Wave Detail: Northwest 6 feet at
6 seconds and northeast 3 feet at 11 seconds. A slight chance of
showers in the evening.
.TUESDAY...Northwest winds 15 to 20 knots. Seas 5 to 7 feet,
occasionally to 9 feet. Wave Detail: Northwest 6 feet at
6 seconds and northeast 2 feet at 10 seconds.
.TUESDAY NIGHT...Northwest winds around 15 knots. Seas 3 to
5 feet, occasionally to 6 feet. Wave Detail: North 4 feet at
5 seconds and northeast 2 feet at 11 seconds.
.WEDNESDAY THROUGH THURSDAY...West winds 15 to 20 knots. Seas
2 to 4 feet, occasionally to 5 feet.
$$
CWFJAX
Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
717 AM EST Sun Dec 28 2025
Atlantic Coastal Waters from Altamaha Sound GA to Flagler Beach
FL out to 60 nm.
Seas are provided as a range of the average height of the highest
1/3 of the waves, along with the occasional height of the average
highest 1/10 of the waves.
AMZ400-290330-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
717 AM EST Sun Dec 28 2025
.SYNOPSIS...
High pressure will remain centered over the Florida peninsula today.
High pressure will then weaken and slide southward later tonight
ahead of a strong cold front. West-southwest winds increase to
Caution levels on Monday ahead of the approaching cold front. Winds
shift to northwest and strengthen to Small Craft Advisory levels
Monday night into Tuesday in the wake of the frontal passage. West
northwest winds continue for much of next week as high pressure
builds eastward along the northern Gulf coast.
.GULF STREAM...
The approximate location of the west wall of the Gulf Stream as of
Dec 27, 2025 at 0000 UTC...
50 nautical miles east of Flagler Beach.
53 nautical miles east of Saint Augustine Beach.
64 nautical miles east southeast of Jacksonville Beach.
71 nautical miles east southeast of St Simons Island.
This data derived from NCEP Global RTOFS model.
$$
AMZ450-452-454-290330-
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-
717 AM EST Sun Dec 28 2025
...DENSE FOG ADVISORY IN EFFECT UNTIL NOON EST TODAY...
.REST OF TODAY...West winds around 5 knots, becoming south this
afternoon. Seas 2 to 3 feet. Wave Detail: East 3 feet at
11 seconds. Intracoastal waters smooth. Areas of fog this
morning. Patchy dense fog this afternoon. Visibility 1 NM or
less.
.TONIGHT...South winds 5 to 10 knots, becoming southwest after
midnight. Seas 2 to 3 feet. Wave Detail: Southwest 2 feet at
3 seconds and east 2 feet at 11 seconds. Intracoastal waters
light chop. Patchy dense fog in the evening. Patchy fog after
midnight. Visibility 1 NM or less in the evening.
.MONDAY...Southwest winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: East 3 feet at 13 seconds
and southwest 2 feet at 3 seconds. Intracoastal waters a moderate
chop. A slight chance of showers in the afternoon.
.MONDAY NIGHT...Northwest winds 20 to 25 knots. Seas 4 to 6 feet,
occasionally to 8 feet. Wave Detail: Northwest 5 feet at
5 seconds and east 3 feet at 12 seconds. Intracoastal waters
rough.
.TUESDAY...Northwest winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. Seas 4 to 6 feet, occasionally to
8 feet. Wave Detail: North 5 feet at 5 seconds and northeast
2 feet at 10 seconds. Intracoastal waters choppy.
.TUESDAY NIGHT...Northwest winds 10 to 15 knots. Seas 2 to
4 feet, occasionally to 5 feet. Wave Detail: North 3 feet at
5 seconds and northeast 2 feet at 10 seconds. Intracoastal waters
a moderate chop.
.WEDNESDAY THROUGH THURSDAY...West winds 10 to 15 knots. Seas
2 to 3 feet. Intracoastal waters a moderate chop.
$$
AMZ470-472-474-290330-
Waters from Altamaha Sound GA to Fernandina Beach FL from 20 to
60 NM-
Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM-
Waters from St. Augustine to Flagler Beach FL from 20 to 60 NM-
717 AM EST Sun Dec 28 2025
.REST OF TODAY...West winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: Northeast 3 feet at 11 seconds. Areas of fog this
morning. Patchy dense fog this afternoon. Visibility 1 NM or
less.
.TONIGHT...Southwest winds 5 to 10 knots, increasing to 10 to
15 knots after midnight. Seas 2 to 4 feet, occasionally to
5 feet. Wave Detail: Southwest 3 feet at 3 seconds and east
3 feet at 11 seconds. Patchy fog in the evening with visibility
1 NM or less.
.MONDAY...Southwest winds 15 to 20 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: Southwest 4 feet at
4 seconds and northeast 4 feet at 12 seconds. A slight chance of
showers in the afternoon.
.MONDAY NIGHT...Northwest winds 20 to 25 knots. Seas 5 to 7 feet,
occasionally to 9 feet. Wave Detail: Northwest 6 feet at
6 seconds and northeast 3 feet at 11 seconds. A slight chance of
showers in the evening.
.TUESDAY...Northwest winds 15 to 20 knots. Seas 5 to 7 feet,
occasionally to 9 feet. Wave Detail: Northwest 6 feet at
6 seconds and northeast 2 feet at 10 seconds.
.TUESDAY NIGHT...Northwest winds around 15 knots. Seas 3 to
5 feet, occasionally to 6 feet. Wave Detail: North 4 feet at
5 seconds and northeast 2 feet at 11 seconds.
.WEDNESDAY THROUGH THURSDAY...West winds 15 to 20 knots. Seas
2 to 4 feet, occasionally to 5 feet.
$$