AMZ400-262100-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
225 AM EDT Sun Jul 26 2026
.SYNOPSIS...
A stationary frontal boundary extending from the Carolina coast
westward across the deep south will drift south towards the Georgia
waters Today, pushing the axis of Atlantic high pressure southward.
This change in the weather pattern will create a prevailing offshore
wind flow through early next week, with scattered to numerous
afternoon and evening thunderstorms expected across our local waters
each day. A few stronger storms will be possible during the late
afternoon hours, with briefly strong wind gusts, frequent lightning
strikes and torrential downpours. Another front will approach the
waters by the middle of next week with offshore southwest winds
increasing to near advisory levels.
.GULF STREAM...
The approximate location of the west wall of the Gulf Stream as of
Jul 25, 2026 at 0000 UTC...
46 nautical miles east of Flagler Beach.
49 nautical miles east of Saint Augustine Beach.
60 nautical miles east southeast of Jacksonville Beach.
68 nautical miles east southeast of St Simons Island.
This data derived from NCEP Global RTOFS model.
$$
AMZ450-452-454-262100- 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- 225 AM EDT Sun Jul 26 2026 REST OF TONIGHT West winds around 10 knots. Seas 2 to 3 feet. Wave Detail: Southwest 2 feet at 4 seconds and east 2 feet at 8 seconds. Intracoastal waters light chop. A slight chance of showers and thunderstorms. SUNDAY West winds 5 to 10 knots, becoming south 10 to 15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: Southwest 2 feet at 3 seconds and east 2 feet at 8 seconds. Intracoastal waters a moderate chop. A slight chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. SUNDAY NIGHT Southwest winds 10 to 15 knots, becoming west after midnight. Seas 2 to 3 feet. Wave Detail: South 2 feet at 4 seconds and east 2 feet at 8 seconds. Intracoastal waters a moderate chop. A chance of showers and thunderstorms, mainly in the evening. MONDAY Northwest winds 10 to 15 knots, becoming northeast 5 to 10 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: West 2 feet at 4 seconds and east 2 feet at 8 seconds. Intracoastal waters a moderate chop. A slight chance of showers and thunderstorms in the afternoon. MONDAY NIGHT South winds 5 to 10 knots, becoming southwest after midnight. Seas around 2 feet. Wave Detail: East 2 feet at 8 seconds. Intracoastal waters light chop. TUESDAY AND TUESDAY NIGHT Southwest winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: South 3 feet at 4 seconds and east 2 feet at 8 seconds. Intracoastal waters choppy. WEDNESDAY Southwest winds 10 to 15 knots, increasing to 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Intracoastal waters choppy. A chance of showers and thunderstorms through the night. A chance of showers with a slight chance of thunderstorms after midnight. THURSDAY Southwest winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Intracoastal waters choppy. A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. A chance of showers with a slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. Winds and waves higher in and near thunderstorms. $$
AMZ450-452-454-262100- 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- 225 AM EDT Sun Jul 26 2026 REST OF TONIGHT West winds around 10 knots. Seas 2 to 3 feet. Wave Detail: Southwest 2 feet at 4 seconds and east 2 feet at 8 seconds. Intracoastal waters light chop. A slight chance of showers and thunderstorms. SUNDAY West winds 5 to 10 knots, becoming south 10 to 15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: Southwest 2 feet at 3 seconds and east 2 feet at 8 seconds. Intracoastal waters a moderate chop. A slight chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. SUNDAY NIGHT Southwest winds 10 to 15 knots, becoming west after midnight. Seas 2 to 3 feet. Wave Detail: South 2 feet at 4 seconds and east 2 feet at 8 seconds. Intracoastal waters a moderate chop. A chance of showers and thunderstorms, mainly in the evening. MONDAY Northwest winds 10 to 15 knots, becoming northeast 5 to 10 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: West 2 feet at 4 seconds and east 2 feet at 8 seconds. Intracoastal waters a moderate chop. A slight chance of showers and thunderstorms in the afternoon. MONDAY NIGHT South winds 5 to 10 knots, becoming southwest after midnight. Seas around 2 feet. Wave Detail: East 2 feet at 8 seconds. Intracoastal waters light chop. TUESDAY AND TUESDAY NIGHT Southwest winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: South 3 feet at 4 seconds and east 2 feet at 8 seconds. Intracoastal waters choppy. WEDNESDAY Southwest winds 10 to 15 knots, increasing to 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Intracoastal waters choppy. A chance of showers and thunderstorms through the night. A chance of showers with a slight chance of thunderstorms after midnight. THURSDAY Southwest winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Intracoastal waters choppy. A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. A chance of showers with a slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. Winds and waves higher in and near thunderstorms. $$