AMZ400-202000-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
1229 AM 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 19, 2026 at 0000 UTC...
54 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.
$$
AMZ450-452-454-202000- Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM- Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM- Coastal waters from St. Augustine to Flagler Beach FL out 20 NM- 1229 AM EST Fri Feb 20 2026 REST OF TONIGHT Southwest winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 3 feet at 7 seconds and east 2 feet at 13 seconds. Intracoastal waters a moderate chop. Patchy fog. FRIDAY Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 5 seconds and southeast 2 feet at 8 seconds. Intracoastal waters a moderate chop. Areas of fog in the morning. FRIDAY NIGHT Southwest winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 5 seconds. Intracoastal waters a moderate chop. Patchy fog after midnight. SATURDAY Southwest winds around 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 5 seconds. Intracoastal waters light chop. Patchy fog in the morning. A chance of showers in the afternoon. SATURDAY NIGHT Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 2 feet at 5 seconds. Intracoastal waters a moderate chop. Showers. SUNDAY Northwest winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Northwest 4 feet at 4 seconds and southwest 2 feet at 4 seconds. Intracoastal waters choppy. Showers likely, mainly in the morning. SUNDAY NIGHT Northwest winds 25 to 30 knots. Seas 4 to 6 feet, occasionally to 8 feet. Intracoastal waters very rough. MONDAY Northwest winds 20 to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Intracoastal waters rough. TUESDAY North winds 15 to 20 knots, becoming south around 5 knots. Seas 3 to 5 feet, occasionally to 6 feet, subsiding to 2 to 3 feet. Intracoastal waters choppy. $$
AMZ450-452-454-202000- 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 Fri Feb 20 2026 REST OF TONIGHT 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. Patchy fog. FRIDAY Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 5 seconds and southeast 2 feet at 8 seconds. Intracoastal waters a moderate chop. Areas of fog in the morning. FRIDAY NIGHT Southwest winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 5 seconds. Intracoastal waters a moderate chop. Patchy fog after midnight. SATURDAY Southwest winds around 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 5 seconds. Intracoastal waters light chop. Patchy fog in the morning. A chance of showers in the afternoon. 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. Showers. SUNDAY Northwest winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Northwest 4 feet at 4 seconds and southwest 2 feet at 4 seconds. Intracoastal waters choppy. Showers likely, mainly in the morning. SUNDAY NIGHT Northwest winds 25 to 30 knots. Seas 4 to 6 feet, occasionally to 8 feet. Intracoastal waters very rough. MONDAY Northwest winds 20 to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Intracoastal waters rough. TUESDAY North winds 15 to 20 knots, becoming south around 5 knots. Seas 3 to 5 feet, occasionally to 6 feet, subsiding to 2 to 3 feet. Intracoastal waters choppy. $$