AMZ400-280245-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
738 AM EDT Sun Sep 27 2026
.SYNOPSIS...
Lingering elevated combined seas and swells from a departing storm
system will continue Small Craft Advisory headlines this morning
over the offshore Northeast Florida Coastal waters. Otherwise, high
pressure will shift over the region Today and Monday with prevailing
west to southwest winds, turning southeasterly in the afternoon
nearshore from the Atlantic seabreeze circulation. High pressure
will shift east of the waters midweek with southerly winds, turning
easterly in the afternoon over the nearshore waters from seabreeze
circulation. Increasing moisture will bring a return of scattered
showers and isolated thunderstorms over the waters by midweek.
.GULF STREAM...
The approximate location of the west wall of the Gulf Stream as of
Sep 26, 2026 at 0000 UTC...
54 nautical miles east of Flagler Beach.
62 nautical miles east of Saint Augustine Beach.
74 nautical miles east southeast of Jacksonville Beach.
84 nautical miles east southeast of St Simons Island.
This data derived from NCEP Global RTOFS model.
$$
AMZ472-474-280245- Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM- Waters from St. Augustine to Flagler Beach FL from 20 to 60 NM- 738 AM EDT Sun Sep 27 2026 SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL THIS AFTERNOON TODAY West winds 5 to 10 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Northeast 6 feet at 13 seconds. TONIGHT South winds 5 to 10 knots, becoming southwest after midnight. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 5 feet at 12 seconds and southwest 2 feet at 3 seconds. MONDAY Southwest winds around 10 knots, becoming south in the afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 4 feet at 11 seconds and southwest 2 feet at 3 seconds. MONDAY NIGHT South winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: South 3 feet at 4 seconds and northeast 3 feet at 10 seconds. TUESDAY AND TUESDAY NIGHT Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: South 2 feet at 4 seconds and northeast 2 feet at 10 seconds. WEDNESDAY East winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 4 seconds and east 2 feet at 10 seconds. A slight chance of showers. A slight chance of thunderstorms. THURSDAY East winds around 10 knots. Seas around 3 feet. A slight chance of thunderstorms in the morning. A chance of showers through the day. A chance of thunderstorms in the afternoon, then a slight chance of showers and thunderstorms through the night. Winds and seas higher in and near thunderstorms. $$
AMZ472-474-280245- 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- 738 AM EDT Sun Sep 27 2026 SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL THIS AFTERNOON TODAY West winds 5 to 10 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Northeast 6 feet at 13 seconds. TONIGHT South winds 5 to 10 knots, becoming southwest after midnight. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 5 feet at 12 seconds and southwest 2 feet at 3 seconds. MONDAY Southwest winds around 10 knots, becoming south in the afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 4 feet at 11 seconds and southwest 2 feet at 3 seconds. MONDAY NIGHT South winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: South 3 feet at 4 seconds and northeast 3 feet at 10 seconds. TUESDAY AND TUESDAY NIGHT Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: South 2 feet at 4 seconds and northeast 2 feet at 10 seconds. WEDNESDAY East winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 4 seconds and east 2 feet at 10 seconds. A slight chance of showers. A slight chance of thunderstorms. THURSDAY East winds around 10 knots. Seas around 3 feet. A slight chance of thunderstorms in the morning. A chance of showers through the day. A chance of thunderstorms in the afternoon, then a slight chance of showers and thunderstorms through the night. Winds and seas higher in and near thunderstorms. $$