AMZ400-121445-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
734 PM EDT Tue Aug 11 2026
.SYNOPSIS...
Atlantic high pressure will shift south and westward as a trough
forms over the southeastern states. Each afternoon, the sea
breeze will shift winds southeasterly over the near shore waters
through the upcoming weekend, followed by southerly evening wind
surges which may briefly increase to near caution levels. Scattered
thunderstorms may push east from the coast into the coastal waters
this evening. Scattered mainly afternoon and evening thunderstorms
will remain possible each day through the upcoming weekend.
.GULF STREAM...
The approximate location of the west wall of the Gulf Stream as of
Aug 11, 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.
71 nautical miles east southeast of St Simons Island.
This data derived from NCEP Global RTOFS model.
$$
AMZ450-452-454-121445- 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- 734 PM EDT Tue Aug 11 2026 TONIGHT Southwest winds 10 to 15 knots, becoming west after midnight. Seas 2 to 3 feet. Wave Detail: South 2 feet at 4 seconds and east 2 feet at 7 seconds. Intracoastal waters a moderate chop. A chance of showers and thunderstorms, mainly this evening. WEDNESDAY West winds 10 to 15 knots, becoming southwest 5 to 10 knots in the afternoon. Seas around 2 feet. Wave Detail: West 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 morning, then a chance of showers and thunderstorms in the afternoon. WEDNESDAY NIGHT Southwest winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Southwest 2 feet at 3 seconds. Intracoastal waters a moderate chop. THURSDAY West winds 10 to 15 knots, becoming south 5 to 10 knots in the afternoon. Seas around 2 feet. Wave Detail: West 2 feet at 3 seconds. Intracoastal waters a moderate chop. A slight chance of showers and thunderstorms in the afternoon. THURSDAY NIGHT South winds 10 to 15 knots, becoming southwest 5 to 10 knots after midnight. Seas around 2 feet. Wave Detail: South 2 feet at 4 seconds. Intracoastal waters a moderate chop. FRIDAY Southwest winds 5 to 10 knots, becoming south 10 to 15 knots in the afternoon. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. Intracoastal waters a moderate chop. FRIDAY NIGHT South winds 10 to 15 knots, becoming southwest 5 to 10 knots after midnight. Seas 2 to 3 feet. Intracoastal waters a moderate chop. A slight chance of showers and thunderstorms in the evening. SATURDAY THROUGH SUNDAY Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Intracoastal waters a moderate chop. A slight chance of showers and thunderstorms. Winds and waves higher in and near thunderstorms. $$
AMZ450-452-454-121445- 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- 734 PM EDT Tue Aug 11 2026 TONIGHT Southwest winds 10 to 15 knots, becoming west after midnight. Seas 2 to 3 feet. Wave Detail: South 2 feet at 4 seconds and east 2 feet at 7 seconds. Intracoastal waters a moderate chop. A chance of showers and thunderstorms, mainly this evening. WEDNESDAY West winds 10 to 15 knots, becoming southwest 5 to 10 knots in the afternoon. Seas around 2 feet. Wave Detail: West 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 morning, then a chance of showers and thunderstorms in the afternoon. WEDNESDAY NIGHT Southwest winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Southwest 2 feet at 3 seconds. Intracoastal waters a moderate chop. THURSDAY West winds 10 to 15 knots, becoming south 5 to 10 knots in the afternoon. Seas around 2 feet. Wave Detail: West 2 feet at 3 seconds. Intracoastal waters a moderate chop. A slight chance of showers and thunderstorms in the afternoon. THURSDAY NIGHT South winds 10 to 15 knots, becoming southwest 5 to 10 knots after midnight. Seas around 2 feet. Wave Detail: South 2 feet at 4 seconds. Intracoastal waters a moderate chop. FRIDAY Southwest winds 5 to 10 knots, becoming south 10 to 15 knots in the afternoon. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. Intracoastal waters a moderate chop. FRIDAY NIGHT South winds 10 to 15 knots, becoming southwest 5 to 10 knots after midnight. Seas 2 to 3 feet. Intracoastal waters a moderate chop. A slight chance of showers and thunderstorms in the evening. SATURDAY THROUGH SUNDAY Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Intracoastal waters a moderate chop. A slight chance of showers and thunderstorms. Winds and waves higher in and near thunderstorms. $$