AMZ400-010015-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
506 AM EDT Thu Apr 30 2026
.SYNOPSIS...
A cold front will move into southeast Georgia today and then into
northeast Florida late tonight through early Friday. This front will
then stall across the northeast Florida waters Friday then begin to
lift north as a warm front Friday night. This front will be
accompanied by scattered showers and a few thunderstorms at times
today through Friday night. A wave of low pressure will then develop
over the Gulf by late Friday night or Saturday, with widespread
showers and possibly a few strong thunderstorms overspreading our
local waters on Saturday, with activity expected to continue into
late Saturday night. Small Craft Advisory conditions may develop on
Saturday as southwest winds increase. The front will shift south of
the northeast Florida waters on Saturday night, resulting in winds
shifting to northerly. Breezy northeast winds are then expected
on Sunday as high pressure builds into the southeastern states.
.GULF STREAM...
The approximate location of the west wall of the Gulf Stream as of
Apr 29, 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.
84 nautical miles east southeast of St Simons Island.
This data derived from NCEP Global RTOFS model.
$$
AMZ450-452-454-010015- 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- 506 AM EDT Thu Apr 30 2026 TODAY West winds around 10 knots, becoming southeast this afternoon. Seas 2 to 3 feet. Wave Detail: East 3 feet at 11 seconds and south 2 feet at 5 seconds. Intracoastal waters light chop. A chance of showers. A slight chance of thunderstorms this morning, then a chance of thunderstorms this afternoon. TONIGHT South winds 5 to 10 knots, becoming north after midnight. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 5 seconds and east 2 feet at 10 seconds. Intracoastal waters light chop. A chance of showers with a slight chance of thunderstorms in the evening. FRIDAY Northeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 4 seconds and east 2 feet at 10 seconds. Intracoastal waters light chop. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. FRIDAY NIGHT East winds 5 to 10 knots, becoming southwest after midnight. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 11 seconds and southeast 2 feet at 4 seconds. Intracoastal waters light chop. A slight chance of thunderstorms in the evening. A chance of showers. SATURDAY Southwest winds 10 to 15 knots, becoming west 15 to 20 knots in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: West 4 feet at 4 seconds and east 2 feet at 8 seconds. Intracoastal waters choppy. A chance of showers with a slight chance of thunderstorms in the morning, then showers with a chance of thunderstorms in the afternoon. SATURDAY NIGHT Northwest winds 15 to 20 knots, becoming north 20 to 25 knots after midnight. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Northeast 5 feet at 8 seconds and northwest 4 feet at 5 seconds. Intracoastal waters rough. A chance of showers with a slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. SUNDAY North winds 20 to 25 knots, becoming northeast 10 to 15 knots. Seas 4 to 6 feet, occasionally to 8 feet. Intracoastal waters rough. A slight chance of showers in the morning. MONDAY Northeast winds 5 to 10 knots, becoming southeast. Seas 3 to 4 feet, occasionally to 5 feet. Intracoastal waters light chop. Winds and waves higher in and near thunderstorms. $$
AMZ450-452-454-010015- 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- 506 AM EDT Thu Apr 30 2026 TODAY West winds around 10 knots, becoming southeast this afternoon. Seas 2 to 3 feet. Wave Detail: East 3 feet at 11 seconds and south 2 feet at 5 seconds. Intracoastal waters light chop. A chance of showers. A slight chance of thunderstorms this morning, then a chance of thunderstorms this afternoon. TONIGHT South winds 5 to 10 knots, becoming north after midnight. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 5 seconds and east 2 feet at 10 seconds. Intracoastal waters light chop. A chance of showers with a slight chance of thunderstorms in the evening. FRIDAY Northeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 4 seconds and east 2 feet at 10 seconds. Intracoastal waters light chop. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. FRIDAY NIGHT East winds 5 to 10 knots, becoming southwest after midnight. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 11 seconds and southeast 2 feet at 4 seconds. Intracoastal waters light chop. A slight chance of thunderstorms in the evening. A chance of showers. SATURDAY Southwest winds 10 to 15 knots, becoming west 15 to 20 knots in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: West 4 feet at 4 seconds and east 2 feet at 8 seconds. Intracoastal waters choppy. A chance of showers with a slight chance of thunderstorms in the morning, then showers with a chance of thunderstorms in the afternoon. SATURDAY NIGHT Northwest winds 15 to 20 knots, becoming north 20 to 25 knots after midnight. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Northeast 5 feet at 8 seconds and northwest 4 feet at 5 seconds. Intracoastal waters rough. A chance of showers with a slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. SUNDAY North winds 20 to 25 knots, becoming northeast 10 to 15 knots. Seas 4 to 6 feet, occasionally to 8 feet. Intracoastal waters rough. A slight chance of showers in the morning. MONDAY Northeast winds 5 to 10 knots, becoming southeast. Seas 3 to 4 feet, occasionally to 5 feet. Intracoastal waters light chop. Winds and waves higher in and near thunderstorms. $$