AMZ400-182000-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
1229 AM EST Wed Feb 18 2026
High pressure will continue to nudge south and east of the
region through today and through the end of the week, shifting flow
more south to southwesterly. Patchy sea fog will be possible early
this morning along the Atlantic coast. A few showers will be
possible each afternoon through Saturday before higher chances for
showers and thunderstorms return for Sunday with an approaching cold
front. Cooler high pressure ridging builds in behind the front, with
Small Craft Advisory conditions likely late in the weekend into
early next week.
.GULF STREAM...
The approximate location of the west wall of the Gulf Stream as of
Feb 17, 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.
$$
AMZ450-452-454-182000- 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- 1229 AM EST Wed Feb 18 2026 REST OF TONIGHT Southeast winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 9 seconds and east 2 feet at 13 seconds. Intracoastal waters light chop. Patchy fog. WEDNESDAY South winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 12 seconds and east 3 feet at 9 seconds. Intracoastal waters a moderate chop. Patchy fog in the morning. WEDNESDAY NIGHT Southwest winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 11 seconds and southeast 3 feet at 6 seconds. Intracoastal waters light chop. THURSDAY 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: Southeast 3 feet at 6 seconds and east 2 feet at 11 seconds. Intracoastal waters a moderate chop. A slight chance of showers. THURSDAY NIGHT Southwest winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 3 feet at 7 seconds and east 2 feet at 13 seconds. Intracoastal waters a moderate chop. A slight chance of showers after midnight. FRIDAY Southwest winds 10 to 15 knots. Seas around 3 feet. Wave Detail: South 3 feet at 5 seconds and east 2 feet at 13 seconds. Intracoastal waters a moderate chop. A slight chance of showers in the morning, then a chance of showers in the afternoon. FRIDAY NIGHT Southwest winds around 10 knots. Seas 2 to 3 feet. Intracoastal waters light chop. A slight chance of showers in the evening. SATURDAY Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Intracoastal waters a moderate chop. A slight chance of showers in the morning. A chance of showers. A slight chance of thunderstorms in the evening. SUNDAY West winds 20 to 25 knots, becoming northwest 25 to 30 knots. Seas 2 to 4 feet, occasionally to 5 feet, building to 4 to 6 feet, occasionally to 8 feet. Intracoastal waters very rough. A chance of showers, mainly in the morning. Winds and waves higher in and near thunderstorms. $$
AMZ450-452-454-182000- 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- 1229 AM EST Wed Feb 18 2026 REST OF TONIGHT Southeast winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 9 seconds and east 2 feet at 13 seconds. Intracoastal waters light chop. Patchy fog. WEDNESDAY South winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 12 seconds and east 3 feet at 9 seconds. Intracoastal waters a moderate chop. Patchy fog in the morning. WEDNESDAY NIGHT Southwest winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 11 seconds and southeast 3 feet at 6 seconds. Intracoastal waters light chop. THURSDAY 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: Southeast 3 feet at 6 seconds and east 2 feet at 11 seconds. Intracoastal waters a moderate chop. A slight chance of showers. THURSDAY NIGHT Southwest winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 3 feet at 7 seconds and east 2 feet at 13 seconds. Intracoastal waters a moderate chop. A slight chance of showers after midnight. FRIDAY Southwest winds 10 to 15 knots. Seas around 3 feet. Wave Detail: South 3 feet at 5 seconds and east 2 feet at 13 seconds. Intracoastal waters a moderate chop. A slight chance of showers in the morning, then a chance of showers in the afternoon. FRIDAY NIGHT Southwest winds around 10 knots. Seas 2 to 3 feet. Intracoastal waters light chop. A slight chance of showers in the evening. SATURDAY Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Intracoastal waters a moderate chop. A slight chance of showers in the morning. A chance of showers. A slight chance of thunderstorms in the evening. SUNDAY West winds 20 to 25 knots, becoming northwest 25 to 30 knots. Seas 2 to 4 feet, occasionally to 5 feet, building to 4 to 6 feet, occasionally to 8 feet. Intracoastal waters very rough. A chance of showers, mainly in the morning. Winds and waves higher in and near thunderstorms. $$