AMZ400-220900-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
225 PM EDT Sat Mar 21 2026
.SYNOPSIS...
High pressure ridging will prevail through Sunday night. A cold
front will move south southeast across the area Monday through
Monday night. The boundary is expected to stall over central FL
Tuesday and Wednesday. High pressure will build for Thursday and
Friday.
.GULF STREAM...
The approximate location of the west wall of the Gulf Stream as of
Mar 21, 2026 at 0000 UTC...
54 nautical miles east of Flagler Beach.
49 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.
$$
AMZ450-452-454-220900- 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- 225 PM EDT Sat Mar 21 2026 REST OF TODAY South winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 10 seconds. Intracoastal waters light chop. TONIGHT Southwest winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 10 seconds and southwest 2 feet at 3 seconds. Intracoastal waters a moderate chop. SUNDAY West winds 5 to 10 knots, becoming south 10 to 15 knots in the afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 10 seconds and west 2 feet at 3 seconds. Intracoastal waters a moderate chop. SUNDAY NIGHT Southwest winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: South 3 feet at 4 seconds and east 3 feet at 9 seconds. Intracoastal waters a moderate chop. MONDAY Southwest winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Southwest 3 feet at 4 seconds and east 2 feet at 9 seconds. Intracoastal waters a moderate chop. MONDAY NIGHT Southwest winds 10 to 15 knots, becoming northwest 20 to 25 knots after midnight. Seas 2 to 3 feet. Wave Detail: East 3 feet at 9 seconds and southwest 2 feet at 3 seconds. Intracoastal waters rough. A slight chance of showers. TUESDAY Northeast winds 20 to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet, building to 5 to 8 feet, occasionally to 10 feet. Intracoastal waters rough. A chance of showers with a slight chance of thunderstorms. WEDNESDAY Northeast winds 10 to 15 knots, diminishing to 5 to 10 knots. Seas 5 to 7 feet, occasionally to 9 feet, subsiding to 4 to 5 feet, occasionally to 6 feet after midnight. Intracoastal waters a moderate chop. A chance of showers and thunderstorms in the morning, then a chance of thunderstorms with a slight chance of showers in the afternoon. Winds and waves higher in and near thunderstorms. $$
AMZ450-452-454-220900- 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- 225 PM EDT Sat Mar 21 2026 REST OF TODAY South winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 10 seconds. Intracoastal waters light chop. TONIGHT Southwest winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 10 seconds and southwest 2 feet at 3 seconds. Intracoastal waters a moderate chop. SUNDAY West winds 5 to 10 knots, becoming south 10 to 15 knots in the afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 10 seconds and west 2 feet at 3 seconds. Intracoastal waters a moderate chop. SUNDAY NIGHT Southwest winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: South 3 feet at 4 seconds and east 3 feet at 9 seconds. Intracoastal waters a moderate chop. MONDAY Southwest winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Southwest 3 feet at 4 seconds and east 2 feet at 9 seconds. Intracoastal waters a moderate chop. MONDAY NIGHT Southwest winds 10 to 15 knots, becoming northwest 20 to 25 knots after midnight. Seas 2 to 3 feet. Wave Detail: East 3 feet at 9 seconds and southwest 2 feet at 3 seconds. Intracoastal waters rough. A slight chance of showers. TUESDAY Northeast winds 20 to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet, building to 5 to 8 feet, occasionally to 10 feet. Intracoastal waters rough. A chance of showers with a slight chance of thunderstorms. WEDNESDAY Northeast winds 10 to 15 knots, diminishing to 5 to 10 knots. Seas 5 to 7 feet, occasionally to 9 feet, subsiding to 4 to 5 feet, occasionally to 6 feet after midnight. Intracoastal waters a moderate chop. A chance of showers and thunderstorms in the morning, then a chance of thunderstorms with a slight chance of showers in the afternoon. Winds and waves higher in and near thunderstorms. $$