AMZ400-141445-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
736 PM EDT Fri Mar 13 2026
.SYNOPSIS...
Seas will continue to gradually subside this evening. High
pressure ridge just north of the area will slowly move northeast
through Saturday. As the high pressure system shifts away, a warm
front will gradually lift northward across the Florida Peninsula
Saturday night. Shower and thunderstorm chances will increase from
south to north late Saturday night through Sunday night as the
front approaches and moves through the region.
A strong cold front will then move across the area on Monday.
South and southwest winds will increase ahead of the front before
shifting to northwest in its wake. Small Craft Advisory conditions
are expected to redevelop over the coastal waters Monday and persist
through at least Tuesday.
.GULF STREAM...
The approximate location of the west wall of the Gulf Stream as of
Mar 13, 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.
71 nautical miles east southeast of St Simons Island.
This data derived from NCEP Global RTOFS model.
$$
AMZ450-452-454-141445- 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- 736 PM EDT Fri Mar 13 2026 SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 8 PM EDT THIS EVENING TONIGHT Northeast winds 5 to 10 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 5 feet at 8 seconds. Intracoastal waters light chop. SATURDAY Northeast winds 5 to 10 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 9 seconds. Intracoastal waters light chop. A slight chance of showers. SATURDAY NIGHT East winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 8 seconds. Intracoastal waters light chop. A chance of showers. A slight chance of thunderstorms after midnight. SUNDAY Southeast winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 7 seconds. Intracoastal waters a moderate chop. Showers likely with a chance of thunderstorms. SUNDAY NIGHT South winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 6 seconds. Intracoastal waters choppy. A chance of thunderstorms. Showers likely, mainly in the evening. MONDAY South winds 15 to 20 knots, becoming southwest 20 to 25 knots in the afternoon. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Southeast 5 feet at 6 seconds. Intracoastal waters rough. Showers with a chance of thunderstorms. MONDAY NIGHT Northwest winds 25 to 30 knots. Seas 5 to 7 feet, occasionally to 9 feet. Intracoastal waters very rough. A chance of showers with a slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. TUESDAY Northwest winds 20 to 25 knots, becoming north 15 to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet, subsiding to 3 to 5 feet, occasionally to 6 feet. Intracoastal waters rough. WEDNESDAY North winds 15 to 20 knots, increasing to 20 to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Intracoastal waters rough. A slight chance of showers after midnight. Winds and waves higher in and near thunderstorms. $$
AMZ450-452-454-141445- 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- 736 PM EDT Fri Mar 13 2026 SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 8 PM EDT THIS EVENING TONIGHT Northeast winds 5 to 10 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 5 feet at 8 seconds. Intracoastal waters light chop. SATURDAY Northeast winds 5 to 10 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 9 seconds. Intracoastal waters light chop. A slight chance of showers. SATURDAY NIGHT East winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 8 seconds. Intracoastal waters light chop. A chance of showers. A slight chance of thunderstorms after midnight. SUNDAY Southeast winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 7 seconds. Intracoastal waters a moderate chop. Showers likely with a chance of thunderstorms. SUNDAY NIGHT South winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 6 seconds. Intracoastal waters choppy. A chance of thunderstorms. Showers likely, mainly in the evening. MONDAY South winds 15 to 20 knots, becoming southwest 20 to 25 knots in the afternoon. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Southeast 5 feet at 6 seconds. Intracoastal waters rough. Showers with a chance of thunderstorms. MONDAY NIGHT Northwest winds 25 to 30 knots. Seas 5 to 7 feet, occasionally to 9 feet. Intracoastal waters very rough. A chance of showers with a slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. TUESDAY Northwest winds 20 to 25 knots, becoming north 15 to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet, subsiding to 3 to 5 feet, occasionally to 6 feet. Intracoastal waters rough. WEDNESDAY North winds 15 to 20 knots, increasing to 20 to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Intracoastal waters rough. A slight chance of showers after midnight. Winds and waves higher in and near thunderstorms. $$