AMZ400-160715-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
1214 PM EDT Sat Aug 15 2026
.SYNOPSIS...
Atlantic high pressure will build westward across the Florida
peninsula today. Only isolated to widely scattered thunderstorms are
expected to develop late this afternoon and evening, mainly for the
waters north of St. Augustine. The axis of Atlantic high pressure
will then shift southward on Sunday and Monday as a frontal boundary
pushes into the southeastern states, with this feature stalling just
north of the Georgia waters by midweek. Southwest to westerly winds
will prevail from Sunday through midweek, with evening wind surges
likely increasing speeds to Caution levels. Only isolated to widely
scattered afternoon and evening thunderstorms are expected on Sunday
and Monday, with coverage potentially increasing towards midweek as
the frontal boundary approaches from the north.
.GULF STREAM...
The approximate location of the west wall of the Gulf Stream as of
Aug 15, 2026 at 0000 UTC...
50 nautical miles east of Flagler Beach.
49 nautical miles east of Saint Augustine Beach.
56 nautical miles east southeast of Jacksonville Beach.
68 nautical miles east southeast of St Simons Island.
This data derived from NCEP Global RTOFS model.
$$
AMZ470-472-474-160715- Waters from Altamaha Sound GA to Fernandina Beach FL from 20 to 60 NM- Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM- Waters from St. Augustine to Flagler Beach FL from 20 to 60 NM- 1214 PM EDT Sat Aug 15 2026 REST OF TODAY Southwest winds 5 to 10 knots, becoming south 10 to 15 knots this afternoon. Seas around 2 feet. Wave Detail: Southwest 2 feet at 4 seconds. TONIGHT Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 4 seconds. SUNDAY West winds 5 to 10 knots, becoming south in the afternoon. Seas 2 to 3 feet. Wave Detail: South 2 feet at 4 seconds and southeast 2 feet at 8 seconds. SUNDAY NIGHT Southwest winds around 10 knots, becoming west after midnight. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 8 seconds and south 2 feet at 4 seconds. MONDAY West winds around 10 knots, becoming southwest in the afternoon. Seas 2 to 3 feet. Wave Detail: West 2 feet at 3 seconds and southeast 2 feet at 8 seconds. A slight chance of showers and thunderstorms in the afternoon. MONDAY NIGHT Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southwest 3 feet at 4 seconds and southeast 2 feet at 8 seconds. TUESDAY Southwest winds 10 to 15 knots. Seas 2 to 3 feet. WEDNESDAY Southwest winds 5 to 10 knots. Seas 2 to 3 feet. A slight chance of showers and thunderstorms in the afternoon. Winds and seas higher in and near thunderstorms. $$
AMZ470-472-474-160715- Waters from Altamaha Sound GA to Fernandina Beach FL from 20 to 60 NM- Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM- Waters from St. Augustine to Flagler Beach FL from 20 to 60 NM- 1214 PM EDT Sat Aug 15 2026 REST OF TODAY Southwest winds 5 to 10 knots, becoming south 10 to 15 knots this afternoon. Seas around 2 feet. Wave Detail: Southwest 2 feet at 4 seconds. TONIGHT Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 4 seconds. SUNDAY West winds 5 to 10 knots, becoming south in the afternoon. Seas 2 to 3 feet. Wave Detail: South 2 feet at 4 seconds and southeast 2 feet at 8 seconds. SUNDAY NIGHT Southwest winds around 10 knots, becoming west after midnight. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 8 seconds and south 2 feet at 4 seconds. MONDAY West winds around 10 knots, becoming southwest in the afternoon. Seas 2 to 3 feet. Wave Detail: West 2 feet at 3 seconds and southeast 2 feet at 8 seconds. A slight chance of showers and thunderstorms in the afternoon. MONDAY NIGHT Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southwest 3 feet at 4 seconds and southeast 2 feet at 8 seconds. TUESDAY Southwest winds 10 to 15 knots. Seas 2 to 3 feet. WEDNESDAY Southwest winds 5 to 10 knots. Seas 2 to 3 feet. A slight chance of showers and thunderstorms in the afternoon. Winds and seas higher in and near thunderstorms. $$