AMZ400-112145-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
238 AM EDT Mon May 11 2026
.SYNOPSIS...
A strong cold front will approach the region today with scattered
thunderstorms likely this afternoon into tonight with a couple of
strong to briefly severe storms possible. The cold front will then
push across the local waters tonight. Northwest to north winds will
strengthen tonight in the wake of the frontal passage, with
conditions likely reaching Small Craft Advisory levels for portions
of the area waters tonight through Tuesday. Weak high pressure will
briefly build over the area Wednesday before a dry cold front moves
through on Thursday.
.GULF STREAM...
The approximate location of the west wall of the Gulf Stream as of
May 10, 2026 at 0000 UTC...
50 nautical miles east of Flagler Beach.
58 nautical miles east of Saint Augustine Beach.
70 nautical miles east southeast of Jacksonville Beach.
76 nautical miles east southeast of St Simons Island.
This data derived from NCEP Global RTOFS model.
$$
AMZ454-474-112145- Coastal waters from St. Augustine to Flagler Beach FL out 20 NM- Waters from St. Augustine to Flagler Beach FL from 20 to 60 NM- 238 AM EDT Mon May 11 2026 REST OF TONIGHT Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds. Intracoastal waters light chop. A slight chance of showers. MONDAY Southwest winds 5 to 10 knots, becoming south in the afternoon. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds. Intracoastal waters light chop. A slight chance of showers. A slight chance of thunderstorms in the afternoon. MONDAY NIGHT South winds 5 to 10 knots, becoming north after midnight. Seas 2 to 3 feet. Wave Detail: Northwest 2 feet at 3 seconds and east 2 feet at 12 seconds. Intracoastal waters light chop. A chance of showers and thunderstorms. TUESDAY Northeast winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet, building to 4 to 5 feet, occasionally to 6 feet in the afternoon. Wave Detail: North 3 feet at 5 seconds and east 2 feet at 11 seconds, becoming northeast 5 feet at 6 seconds. Intracoastal waters choppy. Showers likely. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. TUESDAY NIGHT AND WEDNESDAY Southeast winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Northeast 6 feet at 7 seconds and east 5 feet at 11 seconds. Intracoastal waters choppy. A chance of showers with a slight chance of thunderstorms. WEDNESDAY NIGHT Southeast winds 5 to 10 knots, becoming southwest after midnight. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 4 feet at 9 seconds and east 4 feet at 10 seconds. Intracoastal waters light chop. A chance of showers with a slight chance of thunderstorms. THURSDAY THROUGH FRIDAY Southeast winds 5 to 10 knots. Seas 2 to 4 feet, occasionally to 5 feet. Intracoastal waters light chop. Winds and waves higher in and near thunderstorms. $$
AMZ454-474-112145- Coastal waters from St. Augustine to Flagler Beach FL out 20 NM- Waters from St. Augustine to Flagler Beach FL from 20 to 60 NM- 238 AM EDT Mon May 11 2026 REST OF TONIGHT Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds. Intracoastal waters light chop. A slight chance of showers. MONDAY Southwest winds 5 to 10 knots, becoming south in the afternoon. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds. Intracoastal waters light chop. A slight chance of showers. A slight chance of thunderstorms in the afternoon. MONDAY NIGHT South winds 5 to 10 knots, becoming north after midnight. Seas 2 to 3 feet. Wave Detail: Northwest 2 feet at 3 seconds and east 2 feet at 12 seconds. Intracoastal waters light chop. A chance of showers and thunderstorms. TUESDAY Northeast winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet, building to 4 to 5 feet, occasionally to 6 feet in the afternoon. Wave Detail: North 3 feet at 5 seconds and east 2 feet at 11 seconds, becoming northeast 5 feet at 6 seconds. Intracoastal waters choppy. Showers likely. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. TUESDAY NIGHT AND WEDNESDAY Southeast winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Northeast 6 feet at 7 seconds and east 5 feet at 11 seconds. Intracoastal waters choppy. A chance of showers with a slight chance of thunderstorms. WEDNESDAY NIGHT Southeast winds 5 to 10 knots, becoming southwest after midnight. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 4 feet at 9 seconds and east 4 feet at 10 seconds. Intracoastal waters light chop. A chance of showers with a slight chance of thunderstorms. THURSDAY THROUGH FRIDAY Southeast winds 5 to 10 knots. Seas 2 to 4 feet, occasionally to 5 feet. Intracoastal waters light chop. Winds and waves higher in and near thunderstorms. $$