AMZ400-280300-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
747 AM EDT Thu Aug 27 2026
.SYNOPSIS...
Offshore winds will prevail through Friday night, then shift onshore
over the weekend as high pressure builds to the north over the
weekend, then to the northeast and into the western Atlantic early
next week. Afternoon thunderstorms remain possible today and Friday
due the prevailing offshore winds, followed by decreasing chances
this weekend into next week as onshore flow develops.
.GULF STREAM...
The approximate location of the west wall of the Gulf Stream as of
Aug 26, 2026 at 0000 UTC...
54 nautical miles east of Flagler Beach.
58 nautical miles east of Saint Augustine Beach.
60 nautical miles east southeast of Jacksonville Beach.
68 nautical miles east southeast of St Simons Island.
This data derived from NCEP Global RTOFS model.
$$
AMZ450-452-454-280300- Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM- Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM- Coastal waters from St. Augustine to Flagler Beach FL out 20 NM- 747 AM EDT Thu Aug 27 2026 REST OF TODAY Southwest winds 5 to 10 knots, becoming southeast 10 to 15 knots this afternoon. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. Intracoastal waters a moderate chop. A chance of showers and thunderstorms this afternoon. TONIGHT South winds 10 to 15 knots, becoming southwest 5 to 10 knots after midnight. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 4 seconds. Intracoastal waters a moderate chop. A slight chance of showers and thunderstorms in the evening. FRIDAY Southwest winds 5 to 10 knots, becoming southeast in the afternoon. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. Intracoastal waters light chop. A chance of showers and thunderstorms in the afternoon. FRIDAY NIGHT South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. Intracoastal waters light chop. A chance of showers. A chance of thunderstorms, mainly in the evening. SATURDAY AND SATURDAY NIGHT Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds and east 2 feet at 8 seconds. Intracoastal waters light chop. A chance of showers and thunderstorms. SUNDAY East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 8 seconds. Intracoastal waters light chop. A chance of showers and thunderstorms through the day. A slight chance of showers and thunderstorms after midnight. MONDAY East winds 5 to 10 knots, becoming southeast. Seas around 2 feet. Intracoastal waters light chop. A slight chance of showers and thunderstorms through the day. Winds and waves higher in and near thunderstorms. $$
AMZ450-452-454-280300- 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- 747 AM EDT Thu Aug 27 2026 REST OF TODAY Southwest winds 5 to 10 knots, becoming southeast 10 to 15 knots this afternoon. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. Intracoastal waters a moderate chop. A chance of showers and thunderstorms this afternoon. TONIGHT South winds 10 to 15 knots, becoming southwest 5 to 10 knots after midnight. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 4 seconds. Intracoastal waters a moderate chop. A slight chance of showers and thunderstorms in the evening. FRIDAY Southwest winds 5 to 10 knots, becoming southeast in the afternoon. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. Intracoastal waters light chop. A chance of showers and thunderstorms in the afternoon. FRIDAY NIGHT South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. Intracoastal waters light chop. A chance of showers. A chance of thunderstorms, mainly in the evening. SATURDAY AND SATURDAY NIGHT Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds and east 2 feet at 8 seconds. Intracoastal waters light chop. A chance of showers and thunderstorms. SUNDAY East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 8 seconds. Intracoastal waters light chop. A chance of showers and thunderstorms through the day. A slight chance of showers and thunderstorms after midnight. MONDAY East winds 5 to 10 knots, becoming southeast. Seas around 2 feet. Intracoastal waters light chop. A slight chance of showers and thunderstorms through the day. Winds and waves higher in and near thunderstorms. $$