719
FZUS52 KJAX 190616
CWFJAX

Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
216 AM EDT Thu Sep 19 2024

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.

AMZ400-192130-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
216 AM EDT Thu Sep 19 2024

.SYNOPSIS...
A weak cold front over the coastal waters will shift south of the
waters later this morning. Light northwesterly winds shift to
east-northeasterly as the sea breeze shifts inland this afternoon.
Stronger high pressure will build down the east coast Friday into
early next week. This will lead to an increase in Northeast winds
and seas for this weekend reaching Small Craft Exercise Caution
levels. Caution levels will likely continue into early next week
for the offshore waters.

.GULF STREAM...

The approximate location of the west wall of the Gulf Stream as of
Sep 17, 2024 at 1200 UTC...

 43 nautical miles east of Flagler Beach.
 53 nautical miles east of Saint Augustine Beach.
 68 nautical miles east of Jacksonville Beach.
 88 nautical miles east of St Simons Island.

This data courtesy of the Naval Oceanographic Office.


$$

AMZ450-452-454-192130-
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-
216 AM EDT Thu Sep 19 2024

.TODAY...Northwest winds 5 to 10 knots, becoming northeast this
afternoon. Seas 2 to 3 feet. Wave Detail: East 3 feet at
8 seconds and east 3 feet at 11 seconds. Intracoastal waters
light chop.
.TONIGHT...Northeast winds around 5 knots, becoming north after
midnight. Seas 2 to 3 feet. Wave Detail: East 3 feet at
11 seconds. Intracoastal waters light chop.
.FRIDAY...Northeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: East 3 feet at 10 seconds and northeast 2 feet at
3 seconds. Intracoastal waters light chop.
.FRIDAY NIGHT...Northeast winds 5 to 10 knots, increasing to
10 to 15 knots after midnight. Seas around 3 feet. Wave Detail:
Northeast 2 feet at 4 seconds and east 2 feet at 10 seconds.
Intracoastal waters a moderate chop.
.SATURDAY AND SATURDAY NIGHT...Northeast winds 10 to 15 knots.
Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East
4 feet at 9 seconds and northeast 3 feet at 4 seconds.
Intracoastal waters a moderate chop. A slight chance of showers
and thunderstorms.
.SUNDAY...Northeast winds 10 to 15 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: East 5 feet at 10 seconds.
Intracoastal waters a moderate chop. A slight chance of showers
and thunderstorms in the afternoon.
.MONDAY...East winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Intracoastal waters a moderate chop.

Winds and waves higher in and near thunderstorms.

$$

AMZ470-472-474-192130-
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-
216 AM EDT Thu Sep 19 2024

.TODAY...Northwest winds 5 to 10 knots, becoming north this
afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail:
East 3 feet at 8 seconds and east 3 feet at 12 seconds.
.TONIGHT...North winds 5 to 10 knots. Seas around 3 feet. Wave
Detail: East 3 feet at 11 seconds.
.FRIDAY...North winds around 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: East 3 feet at 10 seconds
and north 2 feet at 3 seconds. A slight chance of showers. A
slight chance of thunderstorms in the afternoon.
.FRIDAY NIGHT...Northeast winds 5 to 10 knots, increasing to
10 to 15 knots after midnight. Seas 3 to 4 feet, occasionally to
5 feet. Wave Detail: East 3 feet at 10 seconds and northeast
2 feet at 4 seconds. A slight chance of showers and thunderstorms
in the evening, then a chance of showers and thunderstorms after
midnight.
.SATURDAY...Northeast winds 10 to 15 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: Northeast 4 feet at
5 seconds and east 3 feet at 9 seconds. A slight chance of
showers and thunderstorms in the morning, then a chance of
showers and thunderstorms in the afternoon.
.SATURDAY NIGHT...Northeast winds 10 to 15 knots. Seas 4 to
5 feet, occasionally to 6 feet. Wave Detail: Northeast 5 feet at
9 seconds and northeast 4 feet at 6 seconds. A slight chance of
thunderstorms. A chance of showers, mainly in the evening.
.SUNDAY...Northeast winds 10 to 15 knots. Seas 4 to 5 feet,
occasionally to 6 feet. A slight chance of showers and
thunderstorms through the day.
.MONDAY...East winds 10 to 15 knots. Seas 4 to 6 feet,
occasionally to 8 feet.

Winds and seas higher in and near thunderstorms.

$$