AMZ400-152330-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
418 AM EDT Thu Oct 15 2026
.SYNOPSIS...
High pressure will be over the area Today, then weaken Tonight into
Friday. A cold front will move southeast across the area Friday
night. Strong high pressure will build behind the front. A surge of
north winds will move south down the coastal waters behind the
front, with elevated winds from late Friday night through much of
next week, with Gale force winds possible.
.GULF STREAM...
The approximate location of the west wall of the Gulf Stream as of
Oct 14, 2026 at 0000 UTC...
50 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.
$$
AMZ450-452-454-152330- 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- 418 AM EDT Thu Oct 15 2026 TODAY East winds around 5 knots, increasing to 5 to 10 knots this afternoon. Seas around 2 feet. Wave Detail: East 2 feet at 7 seconds. Intracoastal waters light chop. TONIGHT Southeast winds 5 to 10 knots, becoming south after midnight. Seas around 2 feet. Wave Detail: East 2 feet at 7 seconds. Intracoastal waters light chop. FRIDAY West winds around 5 knots, becoming southeast 10 to 15 knots in the afternoon. Seas around 2 feet. Wave Detail: East 2 feet at 7 seconds. Intracoastal waters a moderate chop. A chance of showers with a slight chance of thunderstorms in the afternoon. FRIDAY NIGHT South winds around 10 knots, becoming west 15 to 20 knots after midnight. Seas 2 to 3 feet. Wave Detail: South 2 feet at 3 seconds and southeast 2 feet at 7 seconds. Intracoastal waters choppy. A chance of showers and thunderstorms, mainly in the evening. SATURDAY North winds 25 to 30 knots. Seas 3 to 5 feet, occasionally to 6 feet, building to 5 to 8 feet, occasionally to 10 feet in the afternoon. Wave Detail: Northwest 5 feet at 5 seconds and east 2 feet at 9 seconds, becoming northeast 8 feet at 8 seconds and north 7 feet at 7 seconds. Intracoastal waters very rough. A chance of showers with a slight chance of thunderstorms. SATURDAY NIGHT Northeast winds 30 to 35 knots. Seas 7 to 10 feet, occasionally to 13 feet, building to 9 to 13 feet, occasionally to 17 feet after midnight. Wave Detail: North 10 feet at 7 seconds, becoming northeast 13 feet at 8 seconds. Intracoastal waters extremely rough. A slight chance of showers in the evening. SUNDAY Northeast winds 25 to 35 knots. Seas 10 to 14 feet, occasionally to 18 feet. Intracoastal waters extremely rough. A slight chance of showers in the morning, then a chance of showers through the night. A slight chance of showers after midnight. MONDAY Northeast winds 25 to 30 knots. Seas 9 to 13 feet, occasionally to 17 feet, subsiding to 8 to 11 feet, occasionally to 14 feet after midnight. Intracoastal waters very rough. A chance of showers . Winds and waves higher in and near thunderstorms. $$
AMZ450-452-454-152330- 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- 418 AM EDT Thu Oct 15 2026 TODAY East winds around 5 knots, increasing to 5 to 10 knots this afternoon. Seas around 2 feet. Wave Detail: East 2 feet at 7 seconds. Intracoastal waters light chop. TONIGHT Southeast winds 5 to 10 knots, becoming south after midnight. Seas around 2 feet. Wave Detail: East 2 feet at 7 seconds. Intracoastal waters light chop. FRIDAY West winds around 5 knots, becoming southeast 10 to 15 knots in the afternoon. Seas around 2 feet. Wave Detail: East 2 feet at 7 seconds. Intracoastal waters a moderate chop. A chance of showers with a slight chance of thunderstorms in the afternoon. FRIDAY NIGHT South winds around 10 knots, becoming west 15 to 20 knots after midnight. Seas 2 to 3 feet. Wave Detail: South 2 feet at 3 seconds and southeast 2 feet at 7 seconds. Intracoastal waters choppy. A chance of showers and thunderstorms, mainly in the evening. SATURDAY North winds 25 to 30 knots. Seas 3 to 5 feet, occasionally to 6 feet, building to 5 to 8 feet, occasionally to 10 feet in the afternoon. Wave Detail: Northwest 5 feet at 5 seconds and east 2 feet at 9 seconds, becoming northeast 8 feet at 8 seconds and north 7 feet at 7 seconds. Intracoastal waters very rough. A chance of showers with a slight chance of thunderstorms. SATURDAY NIGHT Northeast winds 30 to 35 knots. Seas 7 to 10 feet, occasionally to 13 feet, building to 9 to 13 feet, occasionally to 17 feet after midnight. Wave Detail: North 10 feet at 7 seconds, becoming northeast 13 feet at 8 seconds. Intracoastal waters extremely rough. A slight chance of showers in the evening. SUNDAY Northeast winds 25 to 35 knots. Seas 10 to 14 feet, occasionally to 18 feet. Intracoastal waters extremely rough. A slight chance of showers in the morning, then a chance of showers through the night. A slight chance of showers after midnight. MONDAY Northeast winds 25 to 30 knots. Seas 9 to 13 feet, occasionally to 17 feet, subsiding to 8 to 11 feet, occasionally to 14 feet after midnight. Intracoastal waters very rough. A chance of showers . Winds and waves higher in and near thunderstorms. $$