AMZ400-070900-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
226 PM EDT Tue Oct 6 2026
.SYNOPSIS...
Small Craft Advisory conditions will overspread the northeast
Florida waters this evening as a northeasterly wind surge expands
southward. Occasional gusts to gale force will be possible through
tonight, especially for the waters from St. Augustine northward.
Prolonged onshore winds continue as weak low pressure develops
offshore of the east central Florida coast and moves slowly eastward
on Wednesday and Thursday. Onshore winds may briefly decrease to
Caution speeds on Thursday before strengthening back to Small Craft
Advisory levels by late Friday as high pressure builds over the Mid-
Atlantic states and wedges down the southeastern seaboard. The
National Hurricane Center is monitoring the potential development of
a tropical cyclone in the Gulf. This system is expected to move
northward towards the central Gulf coast region on Saturday. Showers
and thunderstorms will increase in coverage throughout our local
waters during the weekend as tropical moisture surges northward on
the eastern periphery of this potential tropical cyclone.
.GULF STREAM...
The approximate location of the west wall of the Gulf Stream as of
Oct 06, 2026 at 0000 UTC...
62 nautical miles east of Flagler Beach.
62 nautical miles east of Saint Augustine Beach.
74 nautical miles east southeast of Jacksonville Beach.
80 nautical miles east southeast of St Simons Island.
This data derived from NCEP Global RTOFS model.
$$
AMZ450-452-070900-
Coastal waters from Altamaha Sound to Fernandina Beach FL out
20 NM-
Coastal waters from Fernandina Beach to St. Augustine FL out
20 NM-
226 PM EDT Tue Oct 6 2026
SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE WEDNESDAY NIGHT
REST OF TODAY
Northeast winds 25 to 30 knots with gusts up to
40 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail:
Northeast 7 feet at 7 seconds. Intracoastal waters very rough.
Showers with a slight chance of thunderstorms.
TONIGHT
East winds 25 to 30 knots with gusts up to 40 knots,
becoming northeast 20 to 25 knots after midnight. Seas 6 to
8 feet, occasionally to 10 feet. Wave Detail: East 8 feet at
7 seconds. Intracoastal waters very rough. Showers with a slight
chance of thunderstorms in the evening, then showers likely with
a slight chance of thunderstorms after midnight.
WEDNESDAY
Northeast winds 20 to 25 knots, increasing to 25 to
30 knots in the afternoon. Seas 6 to 8 feet, occasionally to
10 feet. Wave Detail: Northeast 8 feet at 7 seconds. Intracoastal
waters very rough. A slight chance of thunderstorms. Showers
likely, mainly in the morning.
WEDNESDAY NIGHT
Northeast winds 20 to 25 knots, diminishing to
15 to 20 knots after midnight. Seas 5 to 8 feet, occasionally to
10 feet. Wave Detail: Northeast 8 feet at 8 seconds. Intracoastal
waters rough. A slight chance of showers and thunderstorms in the
evening, then a chance of showers after midnight.
THURSDAY
Northeast winds 15 to 20 knots. Seas 4 to 6 feet,
occasionally to 8 feet. Wave Detail: Northeast 6 feet at
8 seconds. Intracoastal waters choppy. A slight chance of
thunderstorms. A chance of showers in the morning, then showers
likely in the afternoon.
THURSDAY NIGHT
Northeast winds 10 to 15 knots, increasing to
15 to 20 knots after midnight. Seas 3 to 5 feet, occasionally to
6 feet. Wave Detail: East 5 feet at 8 seconds. Intracoastal
waters choppy. A slight chance of showers in the evening, then a
chance of showers with a slight chance of thunderstorms after
midnight.
FRIDAY
Northeast winds 20 to 25 knots, becoming east 25 to
30 knots. Seas 5 to 8 feet, occasionally to 10 feet, building to
7 to 8 feet, occasionally to 10 feet after midnight. Intracoastal
waters very rough. Showers likely. A slight chance of
thunderstorms in the morning, then a chance of thunderstorms.
SATURDAY
East winds 25 to 30 knots. Seas 6 to 9 feet,
occasionally to 11 feet. Intracoastal waters very rough. A chance
of thunderstorms. Showers.
Winds and waves higher in and near thunderstorms.
$$
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