FZUS52 KJAX 130626
CWFJAX
Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
226 AM EDT Sat Jun 13 2026
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.
AMZ400-132100-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
226 AM EDT Sat Jun 13 2026
.SYNOPSIS...
A lingering trough north of the waters and ridging to the south will
continue offshore breezes this morning. There will be a chance of
showers and isolated thunderstorms near the coastline this afternoon
but minimal activity is expected over the open waters. Another front
pushes into the southeastern US Sunday night and will stall and
eventually dissipate there through the first half of the upcoming
week. This will promote nightly southwesterly wind surges to
Exercise Caution levels, mainly offshore. Strengthening offshore
flow next week will increase chances for afternoon thunderstorms
across the coastal waters.
.GULF STREAM...
The approximate location of the west wall of the Gulf Stream as of
Jun 12, 2026 at 0000 UTC...
50 nautical miles east of Flagler Beach.
58 nautical miles east of Saint Augustine Beach.
70 nautical miles east southeast of Jacksonville Beach.
76 nautical miles east southeast of St Simons Island.
This data derived from NCEP Global RTOFS model.
$$
AMZ450-452-454-132100-
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-
226 AM EDT Sat Jun 13 2026
.REST OF TONIGHT...Southwest winds 5 to 10 knots. Seas around
2 feet. Wave Detail: Southeast 2 feet at 4 seconds. Intracoastal
waters light chop.
.SATURDAY...West winds 5 to 10 knots, becoming south in the
afternoon. Seas around 2 feet. Wave Detail: Southeast 2 feet at
4 seconds. Intracoastal waters light chop. A chance of showers
and thunderstorms in the afternoon.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas around
2 feet. Wave Detail: South 2 feet at 4 seconds. Intracoastal
waters light chop.
.SUNDAY...Southwest winds 5 to 10 knots, becoming south 10 to
15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail:
Southeast 2 feet at 4 seconds. Intracoastal waters a moderate
chop. A chance of showers and thunderstorms in the afternoon.
.SUNDAY NIGHT...Southwest winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: South 2 feet at 4 seconds. Intracoastal waters a
moderate chop. A chance of showers with a slight chance of
thunderstorms in the evening.
.MONDAY...Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Southwest 2 feet at 4 seconds. Intracoastal waters a
moderate chop. Showers likely with a chance of thunderstorms in
the afternoon.
.MONDAY NIGHT...Southwest winds 10 to 15 knots. Seas 2 to 3 feet.
Intracoastal waters a moderate chop. A chance of showers and
thunderstorms in the evening.
.TUESDAY...Southwest winds 10 to 15 knots. Seas 2 to 3 feet.
Intracoastal waters a moderate chop. A slight chance of showers
and thunderstorms in the morning, then showers and thunderstorms
likely in the afternoon. A chance of thunderstorms in the
evening. A chance of showers through the night. A slight chance
of thunderstorms after midnight.
.WEDNESDAY...Southwest winds 10 to 15 knots. Seas 2 to 3 feet.
Intracoastal waters a moderate chop. Showers likely with a chance
of thunderstorms in the morning, then a chance of showers and
thunderstorms in the afternoon.
Winds and waves higher in and near thunderstorms.
$$
AMZ470-472-474-132100-
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-
226 AM EDT Sat Jun 13 2026
.REST OF TONIGHT...Southwest winds 10 to 15 knots. Seas 2 to
3 feet. Wave Detail: South 2 feet at 4 seconds.
.SATURDAY...West winds 5 to 10 knots, becoming south in the
afternoon. Seas around 2 feet. Wave Detail: South 2 feet at
4 seconds.
.SATURDAY NIGHT...Southwest winds 10 to 15 knots. Seas 2 to
3 feet. Wave Detail: South 2 feet at 4 seconds.
.SUNDAY...Southwest winds around 10 knots, becoming south 15 to
20 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: South
3 feet at 4 seconds. A slight chance of showers and thunderstorms
in the afternoon.
.SUNDAY NIGHT THROUGH MONDAY NIGHT...Southwest winds 15 to
20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail:
Southwest 3 feet at 5 seconds. A chance of showers and
thunderstorms.
.TUESDAY...Southwest winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: Southwest 3 feet at
4 seconds and southeast 2 feet at 8 seconds. A slight chance of
showers in the morning, then showers likely in the afternoon. A
chance of thunderstorms through the night. A chance of showers
through the night. A slight chance of thunderstorms after
midnight.
.WEDNESDAY...Southwest winds 10 to 15 knots. Seas 2 to 3 feet. A
chance of showers with a slight chance of thunderstorms in the
morning, then a chance of showers and thunderstorms in the
afternoon.
Winds and seas higher in and near thunderstorms.
$$
CWFJAX
Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
226 AM EDT Sat Jun 13 2026
Atlantic Coastal Waters from Altamaha Sound GA to Flagler Beach
FL out to 60 nm.
Seas are provided as a range of the average height of the highest
1/3 of the waves, along with the occasional height of the average
highest 1/10 of the waves.
AMZ400-132100-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
226 AM EDT Sat Jun 13 2026
.SYNOPSIS...
A lingering trough north of the waters and ridging to the south will
continue offshore breezes this morning. There will be a chance of
showers and isolated thunderstorms near the coastline this afternoon
but minimal activity is expected over the open waters. Another front
pushes into the southeastern US Sunday night and will stall and
eventually dissipate there through the first half of the upcoming
week. This will promote nightly southwesterly wind surges to
Exercise Caution levels, mainly offshore. Strengthening offshore
flow next week will increase chances for afternoon thunderstorms
across the coastal waters.
.GULF STREAM...
The approximate location of the west wall of the Gulf Stream as of
Jun 12, 2026 at 0000 UTC...
50 nautical miles east of Flagler Beach.
58 nautical miles east of Saint Augustine Beach.
70 nautical miles east southeast of Jacksonville Beach.
76 nautical miles east southeast of St Simons Island.
This data derived from NCEP Global RTOFS model.
$$
AMZ450-452-454-132100-
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-
226 AM EDT Sat Jun 13 2026
.REST OF TONIGHT...Southwest winds 5 to 10 knots. Seas around
2 feet. Wave Detail: Southeast 2 feet at 4 seconds. Intracoastal
waters light chop.
.SATURDAY...West winds 5 to 10 knots, becoming south in the
afternoon. Seas around 2 feet. Wave Detail: Southeast 2 feet at
4 seconds. Intracoastal waters light chop. A chance of showers
and thunderstorms in the afternoon.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas around
2 feet. Wave Detail: South 2 feet at 4 seconds. Intracoastal
waters light chop.
.SUNDAY...Southwest winds 5 to 10 knots, becoming south 10 to
15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail:
Southeast 2 feet at 4 seconds. Intracoastal waters a moderate
chop. A chance of showers and thunderstorms in the afternoon.
.SUNDAY NIGHT...Southwest winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: South 2 feet at 4 seconds. Intracoastal waters a
moderate chop. A chance of showers with a slight chance of
thunderstorms in the evening.
.MONDAY...Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Southwest 2 feet at 4 seconds. Intracoastal waters a
moderate chop. Showers likely with a chance of thunderstorms in
the afternoon.
.MONDAY NIGHT...Southwest winds 10 to 15 knots. Seas 2 to 3 feet.
Intracoastal waters a moderate chop. A chance of showers and
thunderstorms in the evening.
.TUESDAY...Southwest winds 10 to 15 knots. Seas 2 to 3 feet.
Intracoastal waters a moderate chop. A slight chance of showers
and thunderstorms in the morning, then showers and thunderstorms
likely in the afternoon. A chance of thunderstorms in the
evening. A chance of showers through the night. A slight chance
of thunderstorms after midnight.
.WEDNESDAY...Southwest winds 10 to 15 knots. Seas 2 to 3 feet.
Intracoastal waters a moderate chop. Showers likely with a chance
of thunderstorms in the morning, then a chance of showers and
thunderstorms in the afternoon.
Winds and waves higher in and near thunderstorms.
$$
AMZ470-472-474-132100-
Waters from Altamaha Sound GA to Fernandina Beach FL from 20 to
60 NM-
Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM-
Waters from St. Augustine to Flagler Beach FL from 20 to 60 NM-
226 AM EDT Sat Jun 13 2026
.REST OF TONIGHT...Southwest winds 10 to 15 knots. Seas 2 to
3 feet. Wave Detail: South 2 feet at 4 seconds.
.SATURDAY...West winds 5 to 10 knots, becoming south in the
afternoon. Seas around 2 feet. Wave Detail: South 2 feet at
4 seconds.
.SATURDAY NIGHT...Southwest winds 10 to 15 knots. Seas 2 to
3 feet. Wave Detail: South 2 feet at 4 seconds.
.SUNDAY...Southwest winds around 10 knots, becoming south 15 to
20 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: South
3 feet at 4 seconds. A slight chance of showers and thunderstorms
in the afternoon.
.SUNDAY NIGHT THROUGH MONDAY NIGHT...Southwest winds 15 to
20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail:
Southwest 3 feet at 5 seconds. A chance of showers and
thunderstorms.
.TUESDAY...Southwest winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: Southwest 3 feet at
4 seconds and southeast 2 feet at 8 seconds. A slight chance of
showers in the morning, then showers likely in the afternoon. A
chance of thunderstorms through the night. A chance of showers
through the night. A slight chance of thunderstorms after
midnight.
.WEDNESDAY...Southwest winds 10 to 15 knots. Seas 2 to 3 feet. A
chance of showers with a slight chance of thunderstorms in the
morning, then a chance of showers and thunderstorms in the
afternoon.
Winds and seas higher in and near thunderstorms.
$$