Hazardous marine condition(s):
Gale Warning
AMZ400-100730-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
1228 PM EDT Thu Oct 9 2025
.SYNOPSIS...
Northeast winds will continue to strengthen as a coastal trough
develops over the near shore waters tonight. Showers and
embedded storms will begin to increase in coverage through Friday.
Gale Warning will remain posted through Saturday night with
frequent gusts to gale force are expected. Low pressure will then
develop along the frontal boundary over the Gulf Stream waters
adjacent to our region on Friday, with this feature gradually
strengthening as it moves northward towards the Carolinas this
weekend. Strong north- northeasterly winds and building, very
rough surf will create dangerous conditions throughout our local
waters through early Sunday. Northerly winds will gradually
subside late this weekend into early next week, with elevated seas
also likely slow to subside across our local waters.
.GULF STREAM...
The approximate location of the west wall of the Gulf Stream as of
Oct 07, 2025 at 1200 UTC...
50 nautical miles east of Flagler Beach.
59 nautical miles east of Saint Augustine Beach.
70 nautical miles east of Jacksonville Beach.
86 nautical miles east of St Simons Island.
This data courtesy of the Naval Oceanographic Office.
$$
AMZ450-100730- Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM- 1228 PM EDT Thu Oct 9 2025 SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON GALE WARNING IN EFFECT THROUGH LATE SATURDAY NIGHT REST OF TODAY Northeast winds 25 to 30 knots with gusts up to 40 knots. Seas 5 to 6 feet, occasionally to 8 feet, building to 5 to 8 feet, occasionally to 10 feet this afternoon. Wave Detail: Northeast 5 feet at 5 seconds and east 3 feet at 8 seconds, becoming northeast 8 feet at 7 seconds and east 2 feet at 8 seconds. Intracoastal waters very rough. A chance of showers with a slight chance of thunderstorms late this morning, then showers with a chance of thunderstorms this afternoon. TONIGHT Northeast winds 25 to 30 knots with gusts up to 40 knots. Seas 7 to 10 feet, occasionally to 13 feet. Wave Detail: Northeast 9 feet at 8 seconds. Intracoastal waters very rough. Showers with a chance of thunderstorms. FRIDAY Northeast winds 25 to 30 knots with gusts up to 40 knots. Seas 7 to 10 feet, occasionally to 13 feet. Wave Detail: Northeast 9 feet at 8 seconds and northeast 2 feet at 4 seconds. Intracoastal waters very rough. Showers likely with a chance of thunderstorms. FRIDAY NIGHT Northeast winds 25 to 30 knots with gusts up to 40 knots. Seas 7 to 9 feet, occasionally to 11 feet. Wave Detail: Northeast 9 feet at 8 seconds. Intracoastal waters very rough. Showers likely with a chance of thunderstorms. SATURDAY North winds 25 to 30 knots with gusts up to 40 knots. Seas 6 to 9 feet, occasionally to 11 feet. Wave Detail: Northeast 9 feet at 10 seconds and north 4 feet at 7 seconds. Intracoastal waters very rough. A chance of showers with a slight chance of thunderstorms. SATURDAY NIGHT North winds 25 to 30 knots with gusts up to 40 knots, diminishing to 15 to 20 knots after midnight. Seas 6 to 9 feet, occasionally to 11 feet. Wave Detail: Northeast 9 feet at 9 seconds and north 4 feet at 6 seconds. Intracoastal waters very rough. A slight chance of showers and thunderstorms in the evening. SUNDAY Northwest winds 15 to 20 knots, diminishing to 10 to 15 knots. Seas 5 to 7 feet, occasionally to 9 feet, subsiding to 4 to 5 feet, occasionally to 6 feet after midnight. Intracoastal waters choppy. MONDAY Northwest winds 10 to 15 knots, becoming west 5 to 10 knots. Seas 4 to 5 feet, occasionally to 6 feet. Intracoastal waters a moderate chop. Winds and waves higher in and near thunderstorms. $$
AMZ450-100730- Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM- 1228 PM EDT Thu Oct 9 2025 SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON GALE WARNING IN EFFECT THROUGH LATE SATURDAY NIGHT REST OF TODAY Northeast winds 25 to 30 knots with gusts up to 40 knots. Seas 5 to 6 feet, occasionally to 8 feet, building to 5 to 8 feet, occasionally to 10 feet this afternoon. Wave Detail: Northeast 5 feet at 5 seconds and east 3 feet at 8 seconds, becoming northeast 8 feet at 7 seconds and east 2 feet at 8 seconds. Intracoastal waters very rough. A chance of showers with a slight chance of thunderstorms late this morning, then showers with a chance of thunderstorms this afternoon. TONIGHT Northeast winds 25 to 30 knots with gusts up to 40 knots. Seas 7 to 10 feet, occasionally to 13 feet. Wave Detail: Northeast 9 feet at 8 seconds. Intracoastal waters very rough. Showers with a chance of thunderstorms. FRIDAY Northeast winds 25 to 30 knots with gusts up to 40 knots. Seas 7 to 10 feet, occasionally to 13 feet. Wave Detail: Northeast 9 feet at 8 seconds and northeast 2 feet at 4 seconds. Intracoastal waters very rough. Showers likely with a chance of thunderstorms. FRIDAY NIGHT Northeast winds 25 to 30 knots with gusts up to 40 knots. Seas 7 to 9 feet, occasionally to 11 feet. Wave Detail: Northeast 9 feet at 8 seconds. Intracoastal waters very rough. Showers likely with a chance of thunderstorms. SATURDAY North winds 25 to 30 knots with gusts up to 40 knots. Seas 6 to 9 feet, occasionally to 11 feet. Wave Detail: Northeast 9 feet at 10 seconds and north 4 feet at 7 seconds. Intracoastal waters very rough. A chance of showers with a slight chance of thunderstorms. SATURDAY NIGHT North winds 25 to 30 knots with gusts up to 40 knots, diminishing to 15 to 20 knots after midnight. Seas 6 to 9 feet, occasionally to 11 feet. Wave Detail: Northeast 9 feet at 9 seconds and north 4 feet at 6 seconds. Intracoastal waters very rough. A slight chance of showers and thunderstorms in the evening. SUNDAY Northwest winds 15 to 20 knots, diminishing to 10 to 15 knots. Seas 5 to 7 feet, occasionally to 9 feet, subsiding to 4 to 5 feet, occasionally to 6 feet after midnight. Intracoastal waters choppy. MONDAY Northwest winds 10 to 15 knots, becoming west 5 to 10 knots. Seas 4 to 5 feet, occasionally to 6 feet. Intracoastal waters a moderate chop. Winds and waves higher in and near thunderstorms. $$