AMZ400-170900-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
226 PM EDT Sun Aug 16 2026
.SYNOPSIS...
Atlantic high pressure will continue to extend its axis westward
across the Florida peninsula, creating a prevailing westerly wind
pattern across our local waters. A frontal boundary will then push
into the southeastern states by Monday afternoon, with this feature
stalling just north of the Georgia waters by midweek. Chances for
mainly afternoon and evening thunderstorms will increase across our
local waters during the work week. Southwest to westerly winds will
continue to prevail, with brief evening surges of wind speeds to
Caution levels through the work week.
.GULF STREAM...
The approximate location of the west wall of the Gulf Stream as of
Aug 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.
$$
AMZ450-452-454-170900- Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM- Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM- Coastal waters from St. Augustine to Flagler Beach FL out 20 NM- 226 PM EDT Sun Aug 16 2026 REST OF TODAY Southeast winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds and southeast 2 feet at 8 seconds. Intracoastal waters a moderate chop. A slight chance of showers and thunderstorms. TONIGHT Southwest winds around 10 knots, becoming west after midnight. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 4 seconds and southeast 2 feet at 8 seconds. Intracoastal waters a moderate chop. A slight chance of showers and thunderstorms. MONDAY West winds 5 to 10 knots, becoming south in the afternoon. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 8 seconds. Intracoastal waters light chop. A slight chance of showers. A slight chance of thunderstorms in the afternoon. MONDAY NIGHT Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southwest 2 feet at 3 seconds and southeast 2 feet at 8 seconds. Intracoastal waters a moderate chop. TUESDAY West winds 5 to 10 knots, becoming south in the afternoon. Seas 2 to 3 feet. Wave Detail: West 2 feet at 3 seconds and east 2 feet at 8 seconds. Intracoastal waters light chop. A slight chance of showers and thunderstorms in the afternoon. TUESDAY NIGHT West winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: South 2 feet at 3 seconds and east 2 feet at 9 seconds. Intracoastal waters light chop. A slight chance of showers and thunderstorms in the evening. WEDNESDAY THROUGH THURSDAY South winds 10 to 15 knots. Seas 2 to 3 feet. Intracoastal waters a moderate chop. A slight chance of showers and thunderstorms. Winds and waves higher in and near thunderstorms. $$
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- 226 PM EDT Sun Aug 16 2026 REST OF TODAY Southeast winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds and southeast 2 feet at 8 seconds. Intracoastal waters a moderate chop. A slight chance of showers and thunderstorms. TONIGHT Southwest winds around 10 knots, becoming west after midnight. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 4 seconds and southeast 2 feet at 8 seconds. Intracoastal waters a moderate chop. A slight chance of showers and thunderstorms. MONDAY West winds 5 to 10 knots, becoming south in the afternoon. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 8 seconds. Intracoastal waters light chop. A slight chance of showers. A slight chance of thunderstorms in the afternoon. MONDAY NIGHT Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southwest 2 feet at 3 seconds and southeast 2 feet at 8 seconds. Intracoastal waters a moderate chop. TUESDAY West winds 5 to 10 knots, becoming south in the afternoon. Seas 2 to 3 feet. Wave Detail: West 2 feet at 3 seconds and east 2 feet at 8 seconds. Intracoastal waters light chop. A slight chance of showers and thunderstorms in the afternoon. TUESDAY NIGHT West winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: South 2 feet at 3 seconds and east 2 feet at 9 seconds. Intracoastal waters light chop. A slight chance of showers and thunderstorms in the evening. WEDNESDAY THROUGH THURSDAY South winds 10 to 15 knots. Seas 2 to 3 feet. Intracoastal waters a moderate chop. A slight chance of showers and thunderstorms. Winds and waves higher in and near thunderstorms. $$