AMZ400-131500-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
649 PM EST Thu Feb 12 2026
High pressure ridging will persist along the southeastern
seaboard through Friday as a frontal boundary remains stalled just
south of the area. A northeast to easterly onshore flow will
persist through the end of the week. High pressure then moves
east of the region Saturday Night and Sunday as a frontal system
approaches the area Sunday Night, moving across area waters
through Monday. Showers as well as isolated thunderstorms will be
expected Sunday Night through Monday as the system moves through.
High pressure ridging will then build back down the southeastern
coast on Tuesday before weakening by mid week.
.GULF STREAM...
The approximate location of the west wall of the Gulf Stream as of
Feb 12, 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.
71 nautical miles east southeast of St Simons Island.
This data derived from NCEP Global RTOFS model.
$$
AMZ450-452-454-131500- 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- 649 PM EST Thu Feb 12 2026 TONIGHT Northeast winds 10 to 15 knots, becoming north 5 to 10 knots after midnight. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 5 seconds. Intracoastal waters a moderate chop. FRIDAY Northeast winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 6 seconds. Intracoastal waters a moderate chop. FRIDAY NIGHT Northeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 7 seconds. Intracoastal waters light chop. SATURDAY East winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 8 seconds. Intracoastal waters light chop. SATURDAY NIGHT Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 8 seconds and southeast 2 feet at 3 seconds. Intracoastal waters a moderate chop. A slight chance of showers in the evening, then a chance of showers after midnight. SUNDAY South winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet, building to 4 to 6 feet, occasionally to 8 feet in the afternoon. Wave Detail: Southeast 4 feet at 5 seconds and northeast 2 feet at 8 seconds, becoming east 5 feet at 7 seconds. Intracoastal waters choppy. A chance of showers in the morning, then showers likely in the afternoon. SUNDAY NIGHT South winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Intracoastal waters choppy. Showers. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. MONDAY Northwest winds 10 to 15 knots, becoming north 5 to 10 knots. Seas 3 to 5 feet, occasionally to 6 feet, subsiding to 2 to 3 feet. Intracoastal waters a moderate chop. Showers likely in the morning. A chance of thunderstorms through the day. A chance of showers in the afternoon, then a slight chance of showers in the evening. TUESDAY North winds 5 to 10 knots. Seas 2 to 3 feet, building to 3 to 5 feet, occasionally to 6 feet. Intracoastal waters light chop. Winds and waves higher in and near thunderstorms. $$
AMZ450-452-454-131500- 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- 649 PM EST Thu Feb 12 2026 TONIGHT Northeast winds 10 to 15 knots, becoming north 5 to 10 knots after midnight. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 5 seconds. Intracoastal waters a moderate chop. FRIDAY Northeast winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 6 seconds. Intracoastal waters a moderate chop. FRIDAY NIGHT Northeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 7 seconds. Intracoastal waters light chop. SATURDAY East winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 8 seconds. Intracoastal waters light chop. SATURDAY NIGHT Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 8 seconds and southeast 2 feet at 3 seconds. Intracoastal waters a moderate chop. A slight chance of showers in the evening, then a chance of showers after midnight. SUNDAY South winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet, building to 4 to 6 feet, occasionally to 8 feet in the afternoon. Wave Detail: Southeast 4 feet at 5 seconds and northeast 2 feet at 8 seconds, becoming east 5 feet at 7 seconds. Intracoastal waters choppy. A chance of showers in the morning, then showers likely in the afternoon. SUNDAY NIGHT South winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Intracoastal waters choppy. Showers. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. MONDAY Northwest winds 10 to 15 knots, becoming north 5 to 10 knots. Seas 3 to 5 feet, occasionally to 6 feet, subsiding to 2 to 3 feet. Intracoastal waters a moderate chop. Showers likely in the morning. A chance of thunderstorms through the day. A chance of showers in the afternoon, then a slight chance of showers in the evening. TUESDAY North winds 5 to 10 knots. Seas 2 to 3 feet, building to 3 to 5 feet, occasionally to 6 feet. Intracoastal waters light chop. Winds and waves higher in and near thunderstorms. $$