AMZ400-172000-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
1229 AM EST Sat Jan 17 2026
.SYNOPSIS...
High pressure will shift eastward through the overnight hours, with
winds shifting to come from the south to southeast. Another Arctic
cold front will enter the southeastern states this afternoon,
crossing our local waters on Sunday morning. This front will be
accompanied by showers this evening through the early afternoon
hours on Sunday. Northwesterly winds will strengthen by early Sunday
morning, with Small Craft Advisory conditions likely through Sunday
evening throughout our local waters. Arctic high pressure will
remain centered to the west or northwest of our region early next
week, keeping breezy northwest to northerly winds and elevated seas
in place. High pressure will then start to position north of our
waters towards midweek.
.GULF STREAM...
The approximate location of the west wall of the Gulf Stream as of
Jan 16, 2026 at 0000 UTC...
50 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.
$$
AMZ450-452-454-172000- Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM- Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM- Coastal waters from St. Augustine to Flagler Beach FL out 20 NM- 1229 AM EST Sat Jan 17 2026 REST OF TONIGHT South winds 5 to 10 knots. Seas around 2 feet. Intracoastal waters light chop. SATURDAY South winds 5 to 10 knots. Seas around 2 feet. Intracoastal waters light chop. SATURDAY NIGHT South winds 5 to 10 knots, becoming northwest 10 to 15 knots after midnight. Seas around 2 feet. Intracoastal waters a moderate chop. A chance of showers after midnight. SUNDAY Northwest winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: North 4 feet at 4 seconds. Intracoastal waters choppy. Showers, mainly in the morning. SUNDAY NIGHT THROUGH MONDAY NIGHT Northwest winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: North 3 feet at 5 seconds and east 2 feet at 9 seconds. Intracoastal waters choppy. TUESDAY North winds 15 to 20 knots, becoming northeast 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: North 3 feet at 4 seconds and east 2 feet at 9 seconds. Intracoastal waters choppy. WEDNESDAY Northeast winds 10 to 15 knots, diminishing to 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Intracoastal waters a moderate chop. A slight chance of showers after midnight. $$
AMZ450-452-454-172000- 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 Sat Jan 17 2026 REST OF TONIGHT South winds 5 to 10 knots. Seas around 2 feet. Intracoastal waters light chop. SATURDAY South winds 5 to 10 knots. Seas around 2 feet. Intracoastal waters light chop. SATURDAY NIGHT South winds 5 to 10 knots, becoming northwest 10 to 15 knots after midnight. Seas around 2 feet. Intracoastal waters a moderate chop. A chance of showers after midnight. SUNDAY Northwest winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: North 4 feet at 4 seconds. Intracoastal waters choppy. Showers, mainly in the morning. SUNDAY NIGHT THROUGH MONDAY NIGHT Northwest winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: North 3 feet at 5 seconds and east 2 feet at 9 seconds. Intracoastal waters choppy. TUESDAY North winds 15 to 20 knots, becoming northeast 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: North 3 feet at 4 seconds and east 2 feet at 9 seconds. Intracoastal waters choppy. WEDNESDAY Northeast winds 10 to 15 knots, diminishing to 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Intracoastal waters a moderate chop. A slight chance of showers after midnight. $$