AMZ400-292100-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
231 AM EDT Wed Apr 29 2026
.SYNOPSIS...
A cold front will enter the southeastern states today and tonight,
bringing scattered showers and thunderstorms mainly to northern
portions of the waters late Wednesday night into Thursday morning.
This front will then stall across the northeast Florida waters on
Thursday night and Friday. A wave of low pressure will develop over
the Gulf by late Friday night or Saturday, with widespread showers
and possibly a few strong thunderstorms overspreading our local
waters by Saturday, with activity expected to continue into Sunday
morning. Small Craft Advisory conditions may develop on Saturday as
southwesterly winds increase ahead of this approaching wave of low
pressure. The front will shift south of the northeast Florida waters
on Sunday.
.GULF STREAM...
The approximate location of the west wall of the Gulf Stream as of
Apr 28, 2026 at 0000 UTC...
54 nautical miles east of Flagler Beach.
62 nautical miles east of Saint Augustine Beach.
74 nautical miles east southeast of Jacksonville Beach.
81 nautical miles east southeast of St Simons Island.
This data derived from NCEP Global RTOFS model.
$$
AMZ450-452-454-292100- 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- 231 AM EDT Wed Apr 29 2026 REST OF TONIGHT South winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 8 seconds. Intracoastal waters light chop. WEDNESDAY South winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 3 feet at 5 seconds and east 3 feet at 10 seconds. Intracoastal waters a moderate chop. WEDNESDAY NIGHT Southwest winds 10 to 15 knots, becoming west after midnight. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 3 feet at 5 seconds and east 3 feet at 11 seconds. Intracoastal waters a moderate chop. A chance of showers and thunderstorms after midnight. THURSDAY Northwest winds 5 to 10 knots, becoming northeast in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at 11 seconds and west 2 feet at 3 seconds. Intracoastal waters light chop. A chance of showers and thunderstorms. THURSDAY NIGHT AND FRIDAY East winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 12 seconds and northeast 2 feet at 3 seconds. Intracoastal waters light chop. A chance of showers with a slight chance of thunderstorms. FRIDAY NIGHT Southeast winds 5 to 10 knots, becoming southwest 10 to 15 knots after midnight. Seas 2 to 3 feet. Wave Detail: East 3 feet at 12 seconds and northeast 2 feet at 4 seconds. Intracoastal waters a moderate chop. A slight chance of thunderstorms in the evening. A chance of showers. SATURDAY West winds 15 to 20 knots, becoming north. Seas 3 to 5 feet, occasionally to 6 feet. Intracoastal waters choppy. A chance of showers in the morning, then showers with a chance of thunderstorms through the night. A chance of showers with a slight chance of thunderstorms after midnight. SUNDAY North winds 15 to 20 knots, diminishing to 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Intracoastal waters choppy. A chance of showers. A slight chance of thunderstorms in the afternoon. A slight chance of showers after midnight. Winds and waves higher in and near thunderstorms. $$
AMZ450-452-454-292100- 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- 231 AM EDT Wed Apr 29 2026 REST OF TONIGHT South winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 8 seconds. Intracoastal waters light chop. WEDNESDAY South winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 3 feet at 5 seconds and east 3 feet at 10 seconds. Intracoastal waters a moderate chop. WEDNESDAY NIGHT Southwest winds 10 to 15 knots, becoming west after midnight. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 3 feet at 5 seconds and east 3 feet at 11 seconds. Intracoastal waters a moderate chop. A chance of showers and thunderstorms after midnight. THURSDAY Northwest winds 5 to 10 knots, becoming northeast in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at 11 seconds and west 2 feet at 3 seconds. Intracoastal waters light chop. A chance of showers and thunderstorms. THURSDAY NIGHT AND FRIDAY East winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 12 seconds and northeast 2 feet at 3 seconds. Intracoastal waters light chop. A chance of showers with a slight chance of thunderstorms. FRIDAY NIGHT Southeast winds 5 to 10 knots, becoming southwest 10 to 15 knots after midnight. Seas 2 to 3 feet. Wave Detail: East 3 feet at 12 seconds and northeast 2 feet at 4 seconds. Intracoastal waters a moderate chop. A slight chance of thunderstorms in the evening. A chance of showers. SATURDAY West winds 15 to 20 knots, becoming north. Seas 3 to 5 feet, occasionally to 6 feet. Intracoastal waters choppy. A chance of showers in the morning, then showers with a chance of thunderstorms through the night. A chance of showers with a slight chance of thunderstorms after midnight. SUNDAY North winds 15 to 20 knots, diminishing to 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Intracoastal waters choppy. A chance of showers. A slight chance of thunderstorms in the afternoon. A slight chance of showers after midnight. Winds and waves higher in and near thunderstorms. $$