AMZ400-241445-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
745 PM EDT Fri Oct 23 2026
.SYNOPSIS...
A combination of strong high pressure developing to the north, and a
trough of low pressure to the southeast will result in a tight
pressure gradient over area waters this weekend into early next
week. This will lead to elevated conditions across area waters,
including gales expected by Saturday afternoon and continuing
through Monday. While the high will weaken to the north into the
middle part of next week, an enhanced northeast flow will
continue.
.GULF STREAM...
The approximate location of the west wall of the Gulf Stream as of
Oct 23, 2026 at 0000 UTC...
58 nautical miles east of Flagler Beach.
66 nautical miles east of Saint Augustine Beach.
78 nautical miles east southeast of Jacksonville Beach.
81 nautical miles east southeast of St Simons Island.
This data derived from NCEP Global RTOFS model.
$$
AMZ450-452-470-472-241445-
Coastal waters from Altamaha Sound to Fernandina Beach FL out
20 NM-
Coastal waters from Fernandina Beach to St. Augustine FL out
20 NM-
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-
745 PM EDT Fri Oct 23 2026
SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING
GALE WARNING IN EFFECT FROM SATURDAY AFTERNOON THROUGH MONDAY
EVENING
REST OF TONIGHT
Northeast winds 20 to 25 knots. Seas 6 to
8 feet, occasionally to 10 feet. Wave Detail: Northeast 7 feet at
7 seconds and east 4 feet at 12 seconds. Intracoastal waters
rough. A chance of showers this evening. A chance of showers with
a slight chance of thunderstorms.
SATURDAY
Northeast winds 25 to 30 knots with gusts up to
40 knots. Seas 7 to 10 feet, occasionally to 13 feet, building to
9 to 12 feet, occasionally to 15 feet in the afternoon. Wave
Detail: Northeast 9 feet at 7 seconds and east 3 feet at
11 seconds, becoming northeast 11 feet at 10 seconds and
northeast 9 feet at 7 seconds. Intracoastal waters very rough.
Showers likely with a slight chance of thunderstorms in the
morning, then showers with a chance of thunderstorms in the
afternoon.
SATURDAY NIGHT
Northeast winds around 30 knots with gusts up
to 40 knots. Seas 10 to 13 feet, occasionally to 17 feet. Wave
Detail: Northeast 13 feet at 10 seconds and northeast 8 feet at
7 seconds. Intracoastal waters very rough. Showers with a slight
chance of thunderstorms in the evening, then a chance of showers
after midnight.
SUNDAY
Northeast winds 25 to 35 knots with gusts up to
45 knots. Seas 10 to 14 feet, occasionally to 18 feet. Wave
Detail: Northeast 13 feet at 10 seconds. Intracoastal waters
extremely rough. A chance of showers in the morning, then showers
with a slight chance of thunderstorms in the afternoon.
SUNDAY NIGHT
Northeast winds 30 to 35 knots with gusts up to
45 knots. Seas 12 to 14 feet, occasionally to 18 feet. Wave
Detail: Northeast 14 feet at 9 seconds. Intracoastal waters
extremely rough. Showers with a slight chance of thunderstorms in
the evening, then a chance of showers after midnight.
MONDAY
Northeast winds 25 to 30 knots with gusts up to
40 knots. Seas 10 to 14 feet, occasionally to 18 feet. Wave
Detail: Northeast 14 feet at 10 seconds. Intracoastal waters very
rough. A chance of showers.
MONDAY NIGHT
Northeast winds 25 to 30 knots. Seas 11 to
13 feet, occasionally to 17 feet, subsiding to 9 to 13 feet,
occasionally to 17 feet after midnight. Intracoastal waters very
rough. A slight chance of showers in the evening.
TUESDAY
Northeast winds 20 to 25 knots. Seas 9 to 12 feet,
occasionally to 15 feet, subsiding to 7 to 10 feet, occasionally
to 13 feet after midnight. Intracoastal waters rough. A slight
chance of showers through the day.
WEDNESDAY
Northeast winds 20 to 25 knots. Seas 7 to 10 feet,
occasionally to 13 feet. Intracoastal waters rough. A slight
chance of showers through the day, then a chance of showers
through the night.
Winds and waves higher in and near thunderstorms.
$$
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