AMZ400-040900-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
226 PM EDT Thu Sep 3 2026
.SYNOPSIS...
Onshore east to southeast flow will continue waves of showers and
embedded thunderstorms at times through Friday. Prevailing westerly
winds are then expected from Saturday through at least Monday
morning as a frontal boundary sinks southward towards our region,
with this feature maintaining a stormy weather pattern. Stronger
high pressure will build down the southeastern seaboard early next
week in the wake of this boundary, likely pushing the front over the
northeast Florida waters.
.GULF STREAM...
The approximate location of the west wall of the Gulf Stream as of
Sep 03, 2026 at 0000 UTC...
46 nautical miles east of Flagler Beach.
53 nautical miles east of Saint Augustine Beach.
64 nautical miles east southeast of Jacksonville Beach.
68 nautical miles east southeast of St Simons Island.
This data derived from NCEP Global RTOFS model.
$$
AMZ450-452-454-040900- 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- 226 PM EDT Thu Sep 3 2026 REST OF TODAY East winds around 10 knots. Seas around 3 feet. Wave Detail: East 3 feet at 9 seconds. Intracoastal waters light chop. A chance of showers and thunderstorms. TONIGHT Southeast winds 5 to 10 knots. Seas around 3 feet. Wave Detail: East 3 feet at 9 seconds. Intracoastal waters light chop. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. FRIDAY Southeast winds 10 to 15 knots. Seas around 3 feet. Wave Detail: East 3 feet at 8 seconds. Intracoastal waters a moderate chop. A chance of showers and thunderstorms. FRIDAY NIGHT South winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 8 seconds. Intracoastal waters a moderate chop. SATURDAY Southwest winds around 5 knots, becoming southeast in the afternoon. Seas 2 to 3 feet. Wave Detail: East 2 feet at 8 seconds. Intracoastal waters light chop. A chance of showers and thunderstorms in the afternoon. SATURDAY NIGHT South winds around 10 knots, becoming southwest after midnight. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds and southeast 2 feet at 8 seconds. Intracoastal waters light chop. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. SUNDAY South winds 5 to 10 knots. Seas around 2 feet. Intracoastal waters light chop. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. A chance of thunderstorms in the evening. A chance of showers through the night. A slight chance of thunderstorms after midnight. MONDAY Northeast winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Intracoastal waters a moderate chop. Showers likely with a chance of thunderstorms, then a chance of showers with a slight chance of thunderstorms after midnight. Winds and waves higher in and near thunderstorms. $$
AMZ450-452-454-040900- 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- 226 PM EDT Thu Sep 3 2026 REST OF TODAY East winds around 10 knots. Seas around 3 feet. Wave Detail: East 3 feet at 9 seconds. Intracoastal waters light chop. A chance of showers and thunderstorms. TONIGHT Southeast winds 5 to 10 knots. Seas around 3 feet. Wave Detail: East 3 feet at 9 seconds. Intracoastal waters light chop. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. FRIDAY Southeast winds 10 to 15 knots. Seas around 3 feet. Wave Detail: East 3 feet at 8 seconds. Intracoastal waters a moderate chop. A chance of showers and thunderstorms. FRIDAY NIGHT South winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 8 seconds. Intracoastal waters a moderate chop. SATURDAY Southwest winds around 5 knots, becoming southeast in the afternoon. Seas 2 to 3 feet. Wave Detail: East 2 feet at 8 seconds. Intracoastal waters light chop. A chance of showers and thunderstorms in the afternoon. SATURDAY NIGHT South winds around 10 knots, becoming southwest after midnight. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds and southeast 2 feet at 8 seconds. Intracoastal waters light chop. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. SUNDAY South winds 5 to 10 knots. Seas around 2 feet. Intracoastal waters light chop. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. A chance of thunderstorms in the evening. A chance of showers through the night. A slight chance of thunderstorms after midnight. MONDAY Northeast winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Intracoastal waters a moderate chop. Showers likely with a chance of thunderstorms, then a chance of showers with a slight chance of thunderstorms after midnight. Winds and waves higher in and near thunderstorms. $$