AMZ400-201300-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
552 PM EDT Sun Jul 19 2026
.SYNOPSIS...
Tropical Depression Two has developed in the northeastern Gulf today
continuing breezy south-southeasterly winds through mid-week as it
shifts to the northwest away from the region. Winds will reach
Exercise Caution levels each afternoon into evening with winds
potentially strengthening to Small Craft Advisory levels as high
pressure to the east strengthens Monday into Tuesday. For the second
half of the week, offshore flow will develop as a cold front
approaches from the northwest and stalls just north of the waters
later this weekend.
.GULF STREAM...
The approximate location of the west wall of the Gulf Stream as of
Jul 19, 2026 at 0000 UTC...
46 nautical miles east of Flagler Beach.
49 nautical miles east of Saint Augustine Beach.
60 nautical miles east southeast of Jacksonville Beach.
71 nautical miles east southeast of St Simons Island.
This data derived from NCEP Global RTOFS model.
$$
AMZ450-452-454-201300- 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- 552 PM EDT Sun Jul 19 2026 SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 5 AM EDT MONDAY TONIGHT 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. MONDAY South winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 5 feet at 6 seconds. Intracoastal waters choppy. A slight chance of showers and thunderstorms in the afternoon. MONDAY NIGHT South winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 5 feet at 6 seconds. Intracoastal waters choppy. TUESDAY South winds 15 to 20 knots, becoming southeast 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. A slight chance of showers and thunderstorms in the afternoon. TUESDAY NIGHT South winds 20 to 25 knots, diminishing to 15 to 20 knots after midnight. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Southeast 6 feet at 7 seconds. Intracoastal waters rough. WEDNESDAY AND WEDNESDAY NIGHT Southwest winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 7 seconds. Intracoastal waters choppy. THURSDAY South winds 10 to 15 knots. Seas 2 to 3 feet. Intracoastal waters a moderate chop. A slight chance of showers in the afternoon. A slight chance of thunderstorms through the night. A chance of showers in the evening, then a slight chance of showers after midnight. FRIDAY South winds 10 to 15 knots. Seas 2 to 3 feet. Intracoastal waters a moderate chop. A slight chance of showers and thunderstorms in the morning, then a chance of thunderstorms in the afternoon. A chance of showers through the night. A slight chance of thunderstorms in the evening. Winds and waves higher in and near thunderstorms. $$
AMZ450-452-454-201300- 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- 552 PM EDT Sun Jul 19 2026 SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 5 AM EDT MONDAY TONIGHT 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. MONDAY South winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 5 feet at 6 seconds. Intracoastal waters choppy. A slight chance of showers and thunderstorms in the afternoon. MONDAY NIGHT South winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 5 feet at 6 seconds. Intracoastal waters choppy. TUESDAY South winds 15 to 20 knots, becoming southeast 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. A slight chance of showers and thunderstorms in the afternoon. TUESDAY NIGHT South winds 20 to 25 knots, diminishing to 15 to 20 knots after midnight. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Southeast 6 feet at 7 seconds. Intracoastal waters rough. WEDNESDAY AND WEDNESDAY NIGHT Southwest winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 7 seconds. Intracoastal waters choppy. THURSDAY South winds 10 to 15 knots. Seas 2 to 3 feet. Intracoastal waters a moderate chop. A slight chance of showers in the afternoon. A slight chance of thunderstorms through the night. A chance of showers in the evening, then a slight chance of showers after midnight. FRIDAY South winds 10 to 15 knots. Seas 2 to 3 feet. Intracoastal waters a moderate chop. A slight chance of showers and thunderstorms in the morning, then a chance of thunderstorms in the afternoon. A chance of showers through the night. A slight chance of thunderstorms in the evening. Winds and waves higher in and near thunderstorms. $$