AMZ400-282100-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
227 AM EDT Tue Apr 28 2026
.SYNOPSIS...
Breezy northeasterly winds and elevated seas gradually subside by
sunrise as weakening high pressure shifts southward off the
southeastern seaboard today. A cold front will then enter the
southeastern states on Wednesday, possibly bringing a few showers
and thunderstorms to the Georgia waters Wednesday night. This front
will then move south across the rest of our local waters on Thursday
and Thursday evening, accompanied by showers and thunderstorms. A
wave of low pressure develops over the Gulf this weekend, likely
spreading additional showers and thunderstorms across our local
waters during the upcoming weekend.
.GULF STREAM...
The approximate location of the west wall of the Gulf Stream as of
Apr 27, 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.
80 nautical miles east southeast of St Simons Island.
This data derived from NCEP Global RTOFS model.
$$
AMZ452-454-282100- Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM- Coastal waters from St. Augustine to Flagler Beach FL out 20 NM- 227 AM EDT Tue Apr 28 2026 SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 9 AM EDT THIS MORNING REST OF TONIGHT Northeast winds 10 to 15 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail: Northeast 6 feet at 9 seconds. Intracoastal waters a moderate chop. TUESDAY East winds 5 to 10 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 5 feet at 9 seconds. Intracoastal waters light chop. TUESDAY NIGHT South winds around 10 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 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: East 4 feet at 9 seconds and southeast 3 feet at 6 seconds. Intracoastal waters a moderate chop. WEDNESDAY NIGHT Southwest winds 10 to 15 knots, becoming west after midnight. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 3 feet at 5 seconds and northeast 3 feet at 9 seconds. Intracoastal waters a moderate chop. A slight 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: Northeast 3 feet at 11 seconds and west 2 feet at 3 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. THURSDAY NIGHT Northeast winds 5 to 10 knots. Seas 2 to 3 feet. Intracoastal waters light chop. A chance of showers with a slight chance of thunderstorms in the evening. FRIDAY East winds 5 to 10 knots, becoming south 10 to 15 knots. Seas 2 to 3 feet. Intracoastal waters a moderate chop. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. A slight chance of showers through the night. SATURDAY Southwest winds 20 to 25 knots, becoming northwest 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Intracoastal waters rough. A chance of showers through the day. A slight chance of thunderstorms in the afternoon, then a chance of thunderstorms in the evening. Showers through the night. A slight chance of thunderstorms after midnight. Winds and waves higher in and near thunderstorms. $$
AMZ452-454-282100- Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM- Coastal waters from St. Augustine to Flagler Beach FL out 20 NM- 227 AM EDT Tue Apr 28 2026 SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 9 AM EDT THIS MORNING REST OF TONIGHT Northeast winds 10 to 15 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail: Northeast 6 feet at 9 seconds. Intracoastal waters a moderate chop. TUESDAY East winds 5 to 10 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 5 feet at 9 seconds. Intracoastal waters light chop. TUESDAY NIGHT South winds around 10 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 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: East 4 feet at 9 seconds and southeast 3 feet at 6 seconds. Intracoastal waters a moderate chop. WEDNESDAY NIGHT Southwest winds 10 to 15 knots, becoming west after midnight. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 3 feet at 5 seconds and northeast 3 feet at 9 seconds. Intracoastal waters a moderate chop. A slight 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: Northeast 3 feet at 11 seconds and west 2 feet at 3 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. THURSDAY NIGHT Northeast winds 5 to 10 knots. Seas 2 to 3 feet. Intracoastal waters light chop. A chance of showers with a slight chance of thunderstorms in the evening. FRIDAY East winds 5 to 10 knots, becoming south 10 to 15 knots. Seas 2 to 3 feet. Intracoastal waters a moderate chop. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. A slight chance of showers through the night. SATURDAY Southwest winds 20 to 25 knots, becoming northwest 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Intracoastal waters rough. A chance of showers through the day. A slight chance of thunderstorms in the afternoon, then a chance of thunderstorms in the evening. Showers through the night. A slight chance of thunderstorms after midnight. Winds and waves higher in and near thunderstorms. $$