AMZ400-050400-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
849 AM EDT Tue Aug 4 2026
.SYNOPSIS...
Frontal boundary will remain stalled north of the waters today and
then dissipate on Wednesday. Offshore flow continues this morning
with a shift to south-southeasterly this afternoon and evening in
the wake of the pinned Atlantic sea breeze. High pressure ridge will
build north of the waters by Wednesday with a return to a prevailing
southeast onshore flow that will become easterly by Friday and
Saturday.
.GULF STREAM...
The approximate location of the west wall of the Gulf Stream as of
Aug 03, 2026 at 0000 UTC...
54 nautical miles east of Flagler Beach.
58 nautical miles east of Saint Augustine Beach.
70 nautical miles east southeast of Jacksonville Beach.
71 nautical miles east southeast of St Simons Island.
This data derived from NCEP Global RTOFS model.
$$
AMZ450-452-454-050400- 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- 849 AM EDT Tue Aug 4 2026 REST OF TODAY Southwest winds 5 to 10 knots, becoming south 10 to 15 knots this afternoon. Seas 2 to 3 feet. Wave Detail: South 3 feet at 4 seconds and southeast 2 feet at 8 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: South 3 feet at 4 seconds and southeast 3 feet at 7 seconds. Intracoastal waters a moderate chop. A chance of showers with a slight chance of thunderstorms in the evening. WEDNESDAY South winds 5 to 10 knots, becoming southeast 10 to 15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 3 seconds and southeast 2 feet at 7 seconds. Intracoastal waters a moderate chop. A slight chance of showers and thunderstorms in the afternoon. WEDNESDAY NIGHT South winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 4 seconds and southeast 2 feet at 7 seconds. Intracoastal waters a moderate chop. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. THURSDAY Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 7 seconds. Intracoastal waters light chop. A chance of showers and thunderstorms, mainly in the morning. THURSDAY NIGHT Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 7 seconds. Intracoastal waters a moderate chop. A slight chance of showers and thunderstorms after midnight. FRIDAY THROUGH SATURDAY South winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Intracoastal waters a moderate chop. A chance of showers and thunderstorms. Winds and waves higher in and near thunderstorms. $$
AMZ450-452-454-050400- 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- 849 AM EDT Tue Aug 4 2026 REST OF TODAY Southwest winds 5 to 10 knots, becoming south 10 to 15 knots this afternoon. Seas 2 to 3 feet. Wave Detail: South 3 feet at 4 seconds and southeast 2 feet at 8 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: South 3 feet at 4 seconds and southeast 3 feet at 7 seconds. Intracoastal waters a moderate chop. A chance of showers with a slight chance of thunderstorms in the evening. WEDNESDAY South winds 5 to 10 knots, becoming southeast 10 to 15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 3 seconds and southeast 2 feet at 7 seconds. Intracoastal waters a moderate chop. A slight chance of showers and thunderstorms in the afternoon. WEDNESDAY NIGHT South winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 4 seconds and southeast 2 feet at 7 seconds. Intracoastal waters a moderate chop. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. THURSDAY Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 7 seconds. Intracoastal waters light chop. A chance of showers and thunderstorms, mainly in the morning. THURSDAY NIGHT Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 7 seconds. Intracoastal waters a moderate chop. A slight chance of showers and thunderstorms after midnight. FRIDAY THROUGH SATURDAY South winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Intracoastal waters a moderate chop. A chance of showers and thunderstorms. Winds and waves higher in and near thunderstorms. $$