Hazardous marine condition(s):
Gale Warning
AMZ400-180845-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
134 PM EDT Sat Oct 17 2026
.SYNOPSIS...
A cold front will continue to move southeast across the Florida
Peninsula through tonight, with strong high pressure building behind
it in its wake. An area of low pressure is expected to develop to
the northeast of the region over the weekend, helping to strengthen
the pressure gradient and persist strong onshore winds with rapidly
building seas also expected. Gale and Small Craft Advisory
conditions are likely to persist through at least the next several
days.
.GULF STREAM...
The approximate location of the west wall of the Gulf Stream as of
Oct 17, 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.
80 nautical miles east southeast of St Simons Island.
This data derived from NCEP Global RTOFS model.
$$
AMZ450-452-454-180845- 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- 134 PM EDT Sat Oct 17 2026 GALE WARNING IN EFFECT THROUGH LATE MONDAY NIGHT REST OF TODAY North winds 20 to 25 knots, increasing to 25 to 30 knots with gusts up to 40 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 4 feet at 4 seconds and east 2 feet at 9 seconds, becoming northeast 7 feet at 9 seconds and north 6 feet at 7 seconds. Intracoastal waters very rough. A chance of showers late this morning. TONIGHT Northeast winds 25 to 30 knots with gusts up to 40 knots. Seas 8 to 11 feet, occasionally to 14 feet. Wave Detail: Northeast 11 feet at 8 seconds and north 5 feet at 7 seconds. Intracoastal waters very rough. SUNDAY Northeast winds 25 to 35 knots. Seas 8 to 11 feet, occasionally to 14 feet, building to 9 to 13 feet, occasionally to 17 feet in the afternoon. Wave Detail: Northeast 11 feet at 9 seconds, becoming northeast 12 feet at 9 seconds. Intracoastal waters extremely rough. A slight chance of showers in the afternoon. SUNDAY NIGHT Northeast winds 30 to 35 knots, becoming 25 to 35 knots after midnight. Seas 9 to 13 feet, occasionally to 17 feet. Wave Detail: Northeast 13 feet at 9 seconds. Intracoastal waters extremely rough. MONDAY North winds 25 to 30 knots. Seas 9 to 13 feet, occasionally to 17 feet, subsiding to 8 to 11 feet, occasionally to 14 feet in the afternoon. Wave Detail: Northeast 13 feet at 11 seconds, becoming northeast 11 feet at 12 seconds. Intracoastal waters very rough. A slight chance of showers in the morning. MONDAY NIGHT North winds 20 to 25 knots. Seas 8 to 11 feet, occasionally to 14 feet. Wave Detail: Northeast 11 feet at 13 seconds. Intracoastal waters rough. TUESDAY North winds 15 to 20 knots. Seas 6 to 9 feet, occasionally to 11 feet. Intracoastal waters choppy. WEDNESDAY North winds 20 to 25 knots, diminishing to 15 to 20 knots. Seas 5 to 8 feet, occasionally to 10 feet. Intracoastal waters rough. $$
AMZ450-452-454-180845- 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- 134 PM EDT Sat Oct 17 2026 GALE WARNING IN EFFECT THROUGH LATE MONDAY NIGHT REST OF TODAY North winds 20 to 25 knots, increasing to 25 to 30 knots with gusts up to 40 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 4 feet at 4 seconds and east 2 feet at 9 seconds, becoming northeast 7 feet at 9 seconds and north 6 feet at 7 seconds. Intracoastal waters very rough. A chance of showers late this morning. TONIGHT Northeast winds 25 to 30 knots with gusts up to 40 knots. Seas 8 to 11 feet, occasionally to 14 feet. Wave Detail: Northeast 11 feet at 8 seconds and north 5 feet at 7 seconds. Intracoastal waters very rough. SUNDAY Northeast winds 25 to 35 knots. Seas 8 to 11 feet, occasionally to 14 feet, building to 9 to 13 feet, occasionally to 17 feet in the afternoon. Wave Detail: Northeast 11 feet at 9 seconds, becoming northeast 12 feet at 9 seconds. Intracoastal waters extremely rough. A slight chance of showers in the afternoon. SUNDAY NIGHT Northeast winds 30 to 35 knots, becoming 25 to 35 knots after midnight. Seas 9 to 13 feet, occasionally to 17 feet. Wave Detail: Northeast 13 feet at 9 seconds. Intracoastal waters extremely rough. MONDAY North winds 25 to 30 knots. Seas 9 to 13 feet, occasionally to 17 feet, subsiding to 8 to 11 feet, occasionally to 14 feet in the afternoon. Wave Detail: Northeast 13 feet at 11 seconds, becoming northeast 11 feet at 12 seconds. Intracoastal waters very rough. A slight chance of showers in the morning. MONDAY NIGHT North winds 20 to 25 knots. Seas 8 to 11 feet, occasionally to 14 feet. Wave Detail: Northeast 11 feet at 13 seconds. Intracoastal waters rough. TUESDAY North winds 15 to 20 knots. Seas 6 to 9 feet, occasionally to 11 feet. Intracoastal waters choppy. WEDNESDAY North winds 20 to 25 knots, diminishing to 15 to 20 knots. Seas 5 to 8 feet, occasionally to 10 feet. Intracoastal waters rough. $$