AMZ400-051315-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
502 PM EST Thu Dec 4 2025
.SYNOPSIS...
Weak low pressure organizing along the northern Gulf coast this
afternoon will lift a warm front northeastward across our local
waters on Friday, accompanied by showers and possibly an
isolated thunderstorm. Weak low pressure will move northeastward
across southeastern Georgia on Friday afternoon, with this storm
system's cold front then crossing our local waters on Friday night
and Saturday morning. A wave of low pressure will then develop along
this front just south of the northeast Florida waters on Saturday
night, with widespread rainfall and a few embedded thunderstorms
likely across our local waters through Sunday. Low pressure will
then strengthen as it moves offshore on Sunday night and Monday,
resulting in strengthening north northwesterly winds as rainfall
ends, with Small Craft Advisory conditions possible from Monday
through early Tuesday.
.GULF STREAM...
The approximate location of the west wall of the Gulf Stream as of
Dec 02, 2025 at 1200 UTC...
37 nautical miles east northeast of Flagler Beach.
38 nautical miles east northeast of Saint Augustine Beach.
41 nautical miles east of Jacksonville Beach.
58 nautical miles east southeast of St Simons Island.
This data courtesy of the Naval Oceanographic Office.
$$
AMZ470-472-474-051315-
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-
502 PM EST Thu Dec 4 2025
SMALL CRAFT EXERCISE CAUTION
TONIGHT
East winds 10 to 15 knots, becoming south 15 to
20 knots after midnight. Seas 4 to 5 feet, occasionally to
6 feet. Wave Detail: East 4 feet at 10 seconds and northeast
3 feet at 4 seconds. A slight chance of showers.
FRIDAY
Southwest winds 15 to 20 knots. Seas 4 to 6 feet,
occasionally to 8 feet. Wave Detail: South 5 feet at 5 seconds
and east 4 feet at 10 seconds. A slight chance of showers.
FRIDAY NIGHT
Northwest winds 10 to 15 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: South 4 feet at 6 seconds
and east 3 feet at 10 seconds. A chance of showers, mainly in the
evening.
SATURDAY
Northwest winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: East 3 feet at 10 seconds
and northwest 2 feet at 4 seconds. A slight chance of showers in
the morning, then a chance of showers in the afternoon.
SATURDAY NIGHT
Northeast winds 10 to 15 knots. Seas 3 to
4 feet, occasionally to 5 feet. Wave Detail: North 3 feet at
4 seconds and east 3 feet at 10 seconds. A slight chance of
thunderstorms in the evening. Showers.
SUNDAY
East winds 10 to 15 knots, becoming south in the
afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail:
East 4 feet at 9 seconds and southeast 3 feet at 5 seconds.
Showers. A slight chance of thunderstorms in the afternoon.
SUNDAY NIGHT
North winds 10 to 15 knots, becoming northwest
15 to 20 knots after midnight. Seas 4 to 5 feet, occasionally to
6 feet. Showers likely, mainly in the evening.
MONDAY
North winds 20 to 25 knots. Seas 5 to 7 feet,
occasionally to 9 feet. A slight chance of showers in the
morning.
TUESDAY
North winds 15 to 20 knots, diminishing to 10 to
15 knots. Seas 4 to 6 feet, occasionally to 8 feet.
Winds and seas higher in and near thunderstorms.
$$
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