Hazardous marine condition(s):
Gale Warning
AMZ400-180015-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
510 AM EDT Sat Oct 17 2026
.SYNOPSIS...
A cold front will move southeast across the area waters early this
morning, with strong high pressure building behind it. An area of
low pressure is expected to develop to the northeast of the region
over the weekend. The gradient between high pressure, and the low
will produce moderately strong flow across area waters beginning
around 6 AM today and strengthen with rapidly building seas also
expected. Gale Force winds will develop this afternoon, and continue
into early next week.
.GULF STREAM...
The approximate location of the west wall of the Gulf Stream as of
Oct 16, 2026 at 0000 UTC...
46 nautical miles east of Flagler Beach.
53 nautical miles east of Saint Augustine Beach.
64 nautical miles east southeast of Jacksonville Beach.
68 nautical miles east southeast of St Simons Island.
This data derived from NCEP Global RTOFS model.
$$
AMZ450-452-454-180015- 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- 510 AM EDT Sat Oct 17 2026 SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON GALE WARNING IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH LATE MONDAY NIGHT TODAY Northwest winds 20 to 25 knots, becoming north 25 to 35 knots this afternoon. Seas 3 to 5 feet, occasionally to 6 feet, building to 5 to 7 feet, occasionally to 9 feet this afternoon. Wave Detail: Northwest 5 feet at 4 seconds, becoming north 7 feet at 7 seconds. Intracoastal waters extremely rough. A slight chance of showers. TONIGHT Northeast winds 30 to 35 knots. Seas 8 to 11 feet, occasionally to 14 feet, building to 9 to 13 feet, occasionally to 17 feet after midnight. Wave Detail: North 11 feet at 8 seconds and east 4 feet at 9 seconds, becoming northeast 12 feet at 8 seconds. Intracoastal waters extremely rough. SUNDAY Northeast winds 25 to 35 knots. Seas 9 to 13 feet, occasionally to 17 feet. Wave Detail: Northeast 13 feet at 9 seconds. Intracoastal waters extremely rough. A chance of showers. SUNDAY NIGHT Northeast winds 30 to 35 knots. Seas 10 to 14 feet, occasionally to 18 feet. Wave Detail: Northeast 13 feet at 10 seconds. Intracoastal waters extremely rough. A chance of showers, mainly in the evening. MONDAY North winds 25 to 30 knots. Seas 9 to 13 feet, occasionally to 17 feet. Wave Detail: Northeast 13 feet at 10 seconds and northeast 12 feet at 13 seconds. Intracoastal waters very rough. A slight chance of showers. MONDAY NIGHT North winds 25 to 30 knots, diminishing to 20 to 25 knots after midnight. Seas 9 to 13 feet, occasionally to 17 feet. Wave Detail: Northeast 12 feet at 14 seconds and northeast 4 feet at 8 seconds. Intracoastal waters very rough. TUESDAY North winds 20 to 25 knots. Seas 8 to 11 feet, occasionally to 14 feet, subsiding to 6 to 9 feet, occasionally to 11 feet. Intracoastal waters rough. WEDNESDAY North winds 20 to 25 knots. Seas 6 to 9 feet, occasionally to 11 feet. Intracoastal waters rough. $$
AMZ450-452-454-180015- 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- 510 AM EDT Sat Oct 17 2026 SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON GALE WARNING IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH LATE MONDAY NIGHT TODAY Northwest winds 20 to 25 knots, becoming north 25 to 35 knots this afternoon. Seas 3 to 5 feet, occasionally to 6 feet, building to 5 to 7 feet, occasionally to 9 feet this afternoon. Wave Detail: Northwest 5 feet at 4 seconds, becoming north 7 feet at 7 seconds. Intracoastal waters extremely rough. A slight chance of showers. TONIGHT Northeast winds 30 to 35 knots. Seas 8 to 11 feet, occasionally to 14 feet, building to 9 to 13 feet, occasionally to 17 feet after midnight. Wave Detail: North 11 feet at 8 seconds and east 4 feet at 9 seconds, becoming northeast 12 feet at 8 seconds. Intracoastal waters extremely rough. SUNDAY Northeast winds 25 to 35 knots. Seas 9 to 13 feet, occasionally to 17 feet. Wave Detail: Northeast 13 feet at 9 seconds. Intracoastal waters extremely rough. A chance of showers. SUNDAY NIGHT Northeast winds 30 to 35 knots. Seas 10 to 14 feet, occasionally to 18 feet. Wave Detail: Northeast 13 feet at 10 seconds. Intracoastal waters extremely rough. A chance of showers, mainly in the evening. MONDAY North winds 25 to 30 knots. Seas 9 to 13 feet, occasionally to 17 feet. Wave Detail: Northeast 13 feet at 10 seconds and northeast 12 feet at 13 seconds. Intracoastal waters very rough. A slight chance of showers. MONDAY NIGHT North winds 25 to 30 knots, diminishing to 20 to 25 knots after midnight. Seas 9 to 13 feet, occasionally to 17 feet. Wave Detail: Northeast 12 feet at 14 seconds and northeast 4 feet at 8 seconds. Intracoastal waters very rough. TUESDAY North winds 20 to 25 knots. Seas 8 to 11 feet, occasionally to 14 feet, subsiding to 6 to 9 feet, occasionally to 11 feet. Intracoastal waters rough. WEDNESDAY North winds 20 to 25 knots. Seas 6 to 9 feet, occasionally to 11 feet. Intracoastal waters rough. $$