Hazardous marine condition(s):
Special Marine Warning
Small Craft Advisory
AMZ400-300800-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
1229 PM EST Mon Dec 29 2025
.SYNOPSIS...
A cold front will move southeast of area waters this evening, with
strong high pressure building behind it. Conditions will be elevated
into Tuesday, due to gradient between front and building high. The
high will remain centered to the west through Wednesday, then build
overhead Thursday. The high will move off to the southeast Friday,
as an area of low pressure gathers over the northwestern Gulf. An
area of low pressure will move over region over the weekend.
.GULF STREAM...
The approximate location of the west wall of the Gulf Stream as of
Dec 29, 2025 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.
$$
AMZ450-300800- Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM- 1229 PM EST Mon Dec 29 2025 SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 7 PM EST THIS EVENING SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM EST THIS EVENING THROUGH TUESDAY MORNING REST OF TODAY West winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southwest 3 feet at 4 seconds and east 2 feet at 12 seconds. Intracoastal waters choppy. A chance of showers this afternoon. TONIGHT Northwest winds 20 to 25 knots, diminishing to 15 to 20 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northwest 4 feet at 4 seconds and east 2 feet at 12 seconds. Intracoastal waters rough. TUESDAY Northwest winds 15 to 20 knots, diminishing to around 10 knots in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Northwest 4 feet at 4 seconds and northeast 2 feet at 10 seconds. Intracoastal waters choppy. TUESDAY NIGHT Northwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Northwest 2 feet at 3 seconds and northeast 2 feet at 8 seconds. Intracoastal waters a moderate chop. WEDNESDAY AND WEDNESDAY NIGHT West winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Northwest 2 feet at 3 seconds and northeast 2 feet at 8 seconds. Intracoastal waters a moderate chop. THURSDAY West winds 10 to 15 knots. Seas around 2 feet. Wave Detail: West 2 feet at 3 seconds. Intracoastal waters a moderate chop. FRIDAY Southwest winds 5 to 10 knots, increasing to 10 to 15 knots. Seas around 2 feet in the morning, then 1 foot or less, then, then around 2 feet after midnight. Intracoastal waters a moderate chop. A slight chance of showers after midnight. $$
AMZ450-300800- Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM- 1229 PM EST Mon Dec 29 2025 SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 7 PM EST THIS EVENING SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM EST THIS EVENING THROUGH TUESDAY MORNING REST OF TODAY West winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southwest 3 feet at 4 seconds and east 2 feet at 12 seconds. Intracoastal waters choppy. A chance of showers this afternoon. TONIGHT Northwest winds 20 to 25 knots, diminishing to 15 to 20 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northwest 4 feet at 4 seconds and east 2 feet at 12 seconds. Intracoastal waters rough. TUESDAY Northwest winds 15 to 20 knots, diminishing to around 10 knots in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Northwest 4 feet at 4 seconds and northeast 2 feet at 10 seconds. Intracoastal waters choppy. TUESDAY NIGHT Northwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Northwest 2 feet at 3 seconds and northeast 2 feet at 8 seconds. Intracoastal waters a moderate chop. WEDNESDAY AND WEDNESDAY NIGHT West winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Northwest 2 feet at 3 seconds and northeast 2 feet at 8 seconds. Intracoastal waters a moderate chop. THURSDAY West winds 10 to 15 knots. Seas around 2 feet. Wave Detail: West 2 feet at 3 seconds. Intracoastal waters a moderate chop. FRIDAY Southwest winds 5 to 10 knots, increasing to 10 to 15 knots. Seas around 2 feet in the morning, then 1 foot or less, then, then around 2 feet after midnight. Intracoastal waters a moderate chop. A slight chance of showers after midnight. $$