Hazardous marine condition(s):
Small Craft Advisory
AMZ400-061430-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
723 PM EDT Sun Apr 5 2026
.SYNOPSIS...
Onshore winds return Monday and persist throughout the week behind a
cold front, strengthening to Small Craft Advisory across the area
Monday and possibly reaching Gale Warning criteria by
Tuesday/Wednesday. Periods of showers and rough seas will also
accompany the returning onshore flow throughout the week. Conditions
will begin to improve this weekend.
.GULF STREAM...
The approximate location of the west wall of the Gulf Stream as of
Apr 05, 2026 at 0000 UTC...
54 nautical miles east of Flagler Beach.
66 nautical miles east of Saint Augustine Beach.
78 nautical miles east southeast of Jacksonville Beach.
68 nautical miles east southeast of St Simons Island.
This data derived from NCEP Global RTOFS model.
$$
AMZ454-061430- Coastal waters from St. Augustine to Flagler Beach FL out 20 NM- 723 PM EDT Sun Apr 5 2026 SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL MIDNIGHT EDT TONIGHT SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY AFTERNOON THROUGH WEDNESDAY MORNING REST OF TONIGHT South winds 10 to 15 knots, becoming west 5 to 10 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 9 seconds. Intracoastal waters a moderate chop. A slight chance of thunderstorms. A chance of showers, mainly early. MONDAY North winds 15 to 20 knots, increasing to 20 to 25 knots in the afternoon. Seas 4 to 5 feet, occasionally to 6 feet, building to 5 to 7 feet, occasionally to 9 feet in the afternoon. Wave Detail: East 4 feet at 9 seconds and north 2 feet at 3 seconds, becoming northeast 6 feet at 7 seconds and east 4 feet at 9 seconds. Intracoastal waters rough. A slight chance of showers in the morning, then showers likely with a slight chance of thunderstorms in the afternoon. MONDAY NIGHT Northeast winds 20 to 25 knots. Seas 6 to 8 feet, occasionally to 10 feet. Wave Detail: Northeast 7 feet at 6 seconds and east 3 feet at 9 seconds. Intracoastal waters rough. Showers likely with a slight chance of thunderstorms in the evening, then showers with a chance of thunderstorms after midnight. TUESDAY Northeast winds 20 to 25 knots with gusts up to 35 knots. Seas 7 to 10 feet, occasionally to 13 feet. Wave Detail: Northeast 10 feet at 8 seconds and east 3 feet at 9 seconds. Intracoastal waters rough. A slight chance of thunderstorms. Showers likely, mainly in the morning. TUESDAY NIGHT Northeast winds 25 to 30 knots. Seas 9 to 11 feet, occasionally to 14 feet. Wave Detail: East 11 feet at 9 seconds. Intracoastal waters very rough. A chance of showers with a slight chance of thunderstorms. WEDNESDAY East winds 25 to 30 knots with gusts up to 40 knots. Seas 10 to 13 feet, occasionally to 17 feet, building to 12 to 14 feet, occasionally to 18 feet in the afternoon. Wave Detail: East 12 feet at 9 seconds, becoming east 14 feet at 10 seconds. Intracoastal waters very rough. Showers likely. A chance of thunderstorms in the afternoon. WEDNESDAY NIGHT East winds 30 to 35 knots, diminishing to 25 to 30 knots after midnight. Seas 12 to 15 feet, occasionally to 19 feet. Intracoastal waters extremely rough. A chance of showers. A chance of thunderstorms, mainly in the evening. THURSDAY East winds 25 to 30 knots. Seas 9 to 12 feet, occasionally to 15 feet. Intracoastal waters very rough. A slight chance of thunderstorms in the morning. Showers likely through the day. A chance of thunderstorms in the afternoon, then a slight chance of thunderstorms in the evening. A chance of showers through the night. FRIDAY Northeast winds 15 to 20 knots. Seas 7 to 10 feet, occasionally to 13 feet. Intracoastal waters choppy. A chance of showers through the day. A slight chance of thunderstorms in the afternoon, then a slight chance of showers through the night. Winds and waves higher in and near thunderstorms. $$
AMZ454-061430- Coastal waters from St. Augustine to Flagler Beach FL out 20 NM- 723 PM EDT Sun Apr 5 2026 SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL MIDNIGHT EDT TONIGHT SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY AFTERNOON THROUGH WEDNESDAY MORNING REST OF TONIGHT South winds 10 to 15 knots, becoming west 5 to 10 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 9 seconds. Intracoastal waters a moderate chop. A slight chance of thunderstorms. A chance of showers, mainly early. MONDAY North winds 15 to 20 knots, increasing to 20 to 25 knots in the afternoon. Seas 4 to 5 feet, occasionally to 6 feet, building to 5 to 7 feet, occasionally to 9 feet in the afternoon. Wave Detail: East 4 feet at 9 seconds and north 2 feet at 3 seconds, becoming northeast 6 feet at 7 seconds and east 4 feet at 9 seconds. Intracoastal waters rough. A slight chance of showers in the morning, then showers likely with a slight chance of thunderstorms in the afternoon. MONDAY NIGHT Northeast winds 20 to 25 knots. Seas 6 to 8 feet, occasionally to 10 feet. Wave Detail: Northeast 7 feet at 6 seconds and east 3 feet at 9 seconds. Intracoastal waters rough. Showers likely with a slight chance of thunderstorms in the evening, then showers with a chance of thunderstorms after midnight. TUESDAY Northeast winds 20 to 25 knots with gusts up to 35 knots. Seas 7 to 10 feet, occasionally to 13 feet. Wave Detail: Northeast 10 feet at 8 seconds and east 3 feet at 9 seconds. Intracoastal waters rough. A slight chance of thunderstorms. Showers likely, mainly in the morning. TUESDAY NIGHT Northeast winds 25 to 30 knots. Seas 9 to 11 feet, occasionally to 14 feet. Wave Detail: East 11 feet at 9 seconds. Intracoastal waters very rough. A chance of showers with a slight chance of thunderstorms. WEDNESDAY East winds 25 to 30 knots with gusts up to 40 knots. Seas 10 to 13 feet, occasionally to 17 feet, building to 12 to 14 feet, occasionally to 18 feet in the afternoon. Wave Detail: East 12 feet at 9 seconds, becoming east 14 feet at 10 seconds. Intracoastal waters very rough. Showers likely. A chance of thunderstorms in the afternoon. WEDNESDAY NIGHT East winds 30 to 35 knots, diminishing to 25 to 30 knots after midnight. Seas 12 to 15 feet, occasionally to 19 feet. Intracoastal waters extremely rough. A chance of showers. A chance of thunderstorms, mainly in the evening. THURSDAY East winds 25 to 30 knots. Seas 9 to 12 feet, occasionally to 15 feet. Intracoastal waters very rough. A slight chance of thunderstorms in the morning. Showers likely through the day. A chance of thunderstorms in the afternoon, then a slight chance of thunderstorms in the evening. A chance of showers through the night. FRIDAY Northeast winds 15 to 20 knots. Seas 7 to 10 feet, occasionally to 13 feet. Intracoastal waters choppy. A chance of showers through the day. A slight chance of thunderstorms in the afternoon, then a slight chance of showers through the night. Winds and waves higher in and near thunderstorms. $$