AMZ400-170900-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
224 PM EDT Thu Apr 16 2026
.SYNOPSIS...
High pressure ridging will be the prevailing feature through the
weekend, with the flow gradually shifting more southeasterly to
southerly over the next several days. A mostly dry frontal passage
is expected Sunday Night, then a surge of northeasterly winds
develops in the wake of the front Monday into Tuesday bringing Small
Craft Advisory conditions with the potential for Gale force gusts.
.GULF STREAM...
The approximate location of the west wall of the Gulf Stream as of
Apr 16, 2026 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.
71 nautical miles east southeast of St Simons Island.
This data derived from NCEP Global RTOFS model.
$$
AMZ450-452-454-170900- 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- 224 PM EDT Thu Apr 16 2026 REST OF TODAY Southeast winds 10 to 15 knots. Seas around 3 feet. Wave Detail: East 3 feet at 9 seconds. Intracoastal waters a moderate chop. TONIGHT South winds 10 to 15 knots, becoming southwest 5 to 10 knots after midnight. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 3 feet at 4 seconds and east 3 feet at 9 seconds. Intracoastal waters a moderate chop. FRIDAY Southwest winds 5 to 10 knots, becoming southeast 10 to 15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: East 3 feet at 9 seconds. Intracoastal waters a moderate chop. FRIDAY NIGHT South winds 10 to 15 knots, becoming southwest 5 to 10 knots after midnight. Seas 2 to 3 feet. Wave Detail: East 3 feet at 8 seconds and southeast 2 feet at 4 seconds. Intracoastal waters a moderate chop. SATURDAY South winds 5 to 10 knots, becoming southeast 15 to 20 knots in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 3 feet at 4 seconds and east 3 feet at 8 seconds. Intracoastal waters choppy. SATURDAY NIGHT South winds 10 to 15 knots, becoming southwest 5 to 10 knots after midnight. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 3 feet at 5 seconds and east 2 feet at 8 seconds. Intracoastal waters a moderate chop. SUNDAY Southwest winds 10 to 15 knots, becoming northeast 25 to 30 knots. Seas 2 to 3 feet, building to 5 to 7 feet, occasionally to 9 feet. Intracoastal waters very rough. A slight chance of showers and thunderstorms in the evening. MONDAY Northeast winds 25 to 30 knots, diminishing to 20 to 25 knots. Seas 7 to 10 feet, occasionally to 13 feet, subsiding to 5 to 7 feet, occasionally to 9 feet after midnight. Intracoastal waters very rough. Winds and waves higher in and near thunderstorms. $$
AMZ450-452-454-170900- 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- 224 PM EDT Thu Apr 16 2026 REST OF TODAY Southeast winds 10 to 15 knots. Seas around 3 feet. Wave Detail: East 3 feet at 9 seconds. Intracoastal waters a moderate chop. TONIGHT South winds 10 to 15 knots, becoming southwest 5 to 10 knots after midnight. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 3 feet at 4 seconds and east 3 feet at 9 seconds. Intracoastal waters a moderate chop. FRIDAY Southwest winds 5 to 10 knots, becoming southeast 10 to 15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: East 3 feet at 9 seconds. Intracoastal waters a moderate chop. FRIDAY NIGHT South winds 10 to 15 knots, becoming southwest 5 to 10 knots after midnight. Seas 2 to 3 feet. Wave Detail: East 3 feet at 8 seconds and southeast 2 feet at 4 seconds. Intracoastal waters a moderate chop. SATURDAY South winds 5 to 10 knots, becoming southeast 15 to 20 knots in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 3 feet at 4 seconds and east 3 feet at 8 seconds. Intracoastal waters choppy. SATURDAY NIGHT South winds 10 to 15 knots, becoming southwest 5 to 10 knots after midnight. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 3 feet at 5 seconds and east 2 feet at 8 seconds. Intracoastal waters a moderate chop. SUNDAY Southwest winds 10 to 15 knots, becoming northeast 25 to 30 knots. Seas 2 to 3 feet, building to 5 to 7 feet, occasionally to 9 feet. Intracoastal waters very rough. A slight chance of showers and thunderstorms in the evening. MONDAY Northeast winds 25 to 30 knots, diminishing to 20 to 25 knots. Seas 7 to 10 feet, occasionally to 13 feet, subsiding to 5 to 7 feet, occasionally to 9 feet after midnight. Intracoastal waters very rough. Winds and waves higher in and near thunderstorms. $$