AMZ400-290615-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
1101 AM EDT Tue Apr 28 2026
.SYNOPSIS...
High pressure will weaken as it shifts offshore off the
southeastern seaboard this afternoon, allowing for seas to
gradually subside through this evening. A cold front will then
enter the southeastern states on Wednesday, bringing scattered
showers and thunderstorms to the Georgia waters Wednesday night
and to the northeast Florida waters on Thursday. This front will
then stall across the northeast Florida waters on Thursday night
and Friday, keeping scattered showers and thunderstorms in
additional rounds of showers the forecast. A wave of low pressure
develops over the Gulf this weekend, with widespread showers and
possibly a few strong thunderstorms overspreading our local waters
by Saturday afternoon and evening, with activity expected to
continue into Sunday. Small Craft Advisory conditions are expected
to develop on Saturday as southwesterly winds increase ahead of
this wave of low pressure. The front will shift south of the
northeast Florida waters on Sunday, with northerly winds
strengthening in wake of departing low pressure by late Saturday
night.
.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.
$$
AMZ450-452-454-290615- 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- 1101 AM EDT Tue Apr 28 2026 REST OF TODAY East winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 5 feet at 9 seconds. Intracoastal waters a light chop. TONIGHT South winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 8 seconds and southeast 2 feet at 5 seconds. Intracoastal waters becoming mostly smooth. WEDNESDAY Southwest winds 5 to 10 knots, becoming south and increasing to around 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 9 seconds. Intracoastal waters becoming a moderate chop. WEDNESDAY NIGHT Southwest winds 10 to 15 knots, becoming west 5 to 10 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 3 feet at 5 seconds and east 3 feet at 10 seconds. Intracoastal waters becoming mostly smooth. A chance of showers with a slight chance of thunderstorms after midnight. THURSDAY Northwest winds 5 to 10 knots, becoming northeast around 10 knots in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at 11 seconds and southeast 2 feet at 6 seconds. Intracoastal waters a light chop. A chance of showers and thunderstorms. THURSDAY NIGHT East winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 5 seconds and east 2 feet at 11 seconds. Intracoastal waters mostly smooth. A chance of showers and thunderstorms in the evening, then a slight chance of showers after midnight. FRIDAY East southeast winds around 10 knots. Seas 2 to 3 feet. Intracoastal waters a light chop. A slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. FRIDAY NIGHT South winds around 10 knots, becoming southwest 10 to 15 knots after midnight. Seas 2 to 4 feet. Intracoastal waters a light chop. A chance of showers with a slight chance of thunderstorms. SATURDAY Southwest winds increasing to 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Intracoastal waters becoming choppy. A chance of showers in the morning, then showers and thunderstorms likely in the afternoon. Winds and waves higher in and near thunderstorms. $$
AMZ450-452-454-290615- 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- 1101 AM EDT Tue Apr 28 2026 REST OF TODAY East winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 5 feet at 9 seconds. Intracoastal waters a light chop. TONIGHT South winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 8 seconds and southeast 2 feet at 5 seconds. Intracoastal waters becoming mostly smooth. WEDNESDAY Southwest winds 5 to 10 knots, becoming south and increasing to around 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 9 seconds. Intracoastal waters becoming a moderate chop. WEDNESDAY NIGHT Southwest winds 10 to 15 knots, becoming west 5 to 10 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 3 feet at 5 seconds and east 3 feet at 10 seconds. Intracoastal waters becoming mostly smooth. A chance of showers with a slight chance of thunderstorms after midnight. THURSDAY Northwest winds 5 to 10 knots, becoming northeast around 10 knots in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at 11 seconds and southeast 2 feet at 6 seconds. Intracoastal waters a light chop. A chance of showers and thunderstorms. THURSDAY NIGHT East winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 5 seconds and east 2 feet at 11 seconds. Intracoastal waters mostly smooth. A chance of showers and thunderstorms in the evening, then a slight chance of showers after midnight. FRIDAY East southeast winds around 10 knots. Seas 2 to 3 feet. Intracoastal waters a light chop. A slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. FRIDAY NIGHT South winds around 10 knots, becoming southwest 10 to 15 knots after midnight. Seas 2 to 4 feet. Intracoastal waters a light chop. A chance of showers with a slight chance of thunderstorms. SATURDAY Southwest winds increasing to 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Intracoastal waters becoming choppy. A chance of showers in the morning, then showers and thunderstorms likely in the afternoon. Winds and waves higher in and near thunderstorms. $$