AMZ400-210800-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
1229 PM EST Fri Feb 20 2026
.SYNOPSIS...
High pressure east of the Florida Peninsula will continue to extend
a ridge axis westward across area waters through Saturday. Patchy
dense sea fog is also expected during the late night and morning
hours through Saturday. Shower and isolated thunderstorm potential
will increase Saturday Night through Sunday Morning as a strong cold
front moves through, with a breezy northwest flow developing behind
the front resulting in likely Small Craft Advisory conditions. High
pressure north and west of the region will then be the main weather
feature early next week, slowly moving almost directly over the area
by mid week.
.GULF STREAM...
The approximate location of the west wall of the Gulf Stream as of
Feb 20, 2026 at 0000 UTC...
50 nautical miles east of Flagler Beach.
58 nautical miles east of Saint Augustine Beach.
70 nautical miles east southeast of Jacksonville Beach.
76 nautical miles east southeast of St Simons Island.
This data derived from NCEP Global RTOFS model.
$$
AMZ450-452-454-210800- Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM- Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM- Coastal waters from St. Augustine to Flagler Beach FL out 20 NM- 1229 PM EST Fri Feb 20 2026 REST OF TODAY South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 5 seconds and east 2 feet at 12 seconds. Intracoastal waters a moderate chop. TONIGHT Southwest winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 6 seconds. Intracoastal waters light chop. SATURDAY Southwest winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 6 seconds. Intracoastal waters light chop. Patchy fog in the morning. SATURDAY NIGHT Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 2 feet at 5 seconds. Intracoastal waters a moderate chop. A chance of showers in the evening, then showers after midnight. SUNDAY West winds 15 to 20 knots, becoming northwest 20 to 25 knots in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northwest 5 feet at 4 seconds and east 2 feet at 9 seconds. Intracoastal waters rough. Showers likely, mainly in the morning. SUNDAY NIGHT Northwest winds 25 to 30 knots. Seas 5 to 8 feet, occasionally to 10 feet. Wave Detail: Northwest 8 feet at 6 seconds and east 2 feet at 10 seconds. Intracoastal waters very rough. MONDAY Northwest winds 25 to 30 knots. Seas 5 to 7 feet, occasionally to 9 feet. Intracoastal waters very rough. TUESDAY North winds 15 to 20 knots, becoming southwest around 5 knots. Seas 3 to 5 feet, occasionally to 6 feet, subsiding to 2 to 3 feet. Intracoastal waters choppy. $$
AMZ450-452-454-210800- 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 PM EST Fri Feb 20 2026 REST OF TODAY South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 5 seconds and east 2 feet at 12 seconds. Intracoastal waters a moderate chop. TONIGHT Southwest winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 6 seconds. Intracoastal waters light chop. SATURDAY Southwest winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 6 seconds. Intracoastal waters light chop. Patchy fog in the morning. SATURDAY NIGHT Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 2 feet at 5 seconds. Intracoastal waters a moderate chop. A chance of showers in the evening, then showers after midnight. SUNDAY West winds 15 to 20 knots, becoming northwest 20 to 25 knots in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northwest 5 feet at 4 seconds and east 2 feet at 9 seconds. Intracoastal waters rough. Showers likely, mainly in the morning. SUNDAY NIGHT Northwest winds 25 to 30 knots. Seas 5 to 8 feet, occasionally to 10 feet. Wave Detail: Northwest 8 feet at 6 seconds and east 2 feet at 10 seconds. Intracoastal waters very rough. MONDAY Northwest winds 25 to 30 knots. Seas 5 to 7 feet, occasionally to 9 feet. Intracoastal waters very rough. TUESDAY North winds 15 to 20 knots, becoming southwest around 5 knots. Seas 3 to 5 feet, occasionally to 6 feet, subsiding to 2 to 3 feet. Intracoastal waters choppy. $$