AMZ400-200900-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
225 PM EDT Sat Sep 19 2026
.SYNOPSIS...
Widely scattered showers and possibly a few thunderstorms through
the day with increasing coverage after midnight tonight. Scattered
to numerous showers and thunderstorms are then expected early next
week as a disturbance aloft moves slowly northeastward across our
area. East to northeasterly winds will otherwise prevail through the
early portions of next week, with speeds and seas remaining below
Caution levels. Strong high pressure then wedge down the
southeastern seaboard, resulting in surge of northeasterly winds
that will likely bring Small Craft Advisory conditions beginning
later on Wednesday and continuing through the late portions of next
week.
.GULF STREAM...
The approximate location of the west wall of the Gulf Stream as of
Sep 19, 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.
$$
AMZ470-472-474-200900- Waters from Altamaha Sound GA to Fernandina Beach FL from 20 to 60 NM- Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM- Waters from St. Augustine to Flagler Beach FL from 20 to 60 NM- 225 PM EDT Sat Sep 19 2026 REST OF TODAY East winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 7 seconds. A slight chance of showers and thunderstorms. TONIGHT East winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 8 seconds. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. SUNDAY Northeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Northeast 2 feet at 7 seconds and east 2 feet at 11 seconds. A slight chance of thunderstorms. A chance of showers, mainly in the morning. SUNDAY NIGHT East winds around 5 knots. Seas around 2 feet. Wave Detail: East 2 feet at 9 seconds. A chance of showers and thunderstorms after midnight. MONDAY AND MONDAY NIGHT East winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 8 seconds and northeast 2 feet at 8 seconds. A chance of showers and thunderstorms. TUESDAY Northeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 8 seconds. A chance of thunderstorms. WEDNESDAY Northeast winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. A chance of thunderstorms. Showers likely . Winds and seas higher in and near thunderstorms. $$
AMZ470-472-474-200900- 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- 225 PM EDT Sat Sep 19 2026 REST OF TODAY East winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 7 seconds. A slight chance of showers and thunderstorms. TONIGHT East winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 8 seconds. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. SUNDAY Northeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Northeast 2 feet at 7 seconds and east 2 feet at 11 seconds. A slight chance of thunderstorms. A chance of showers, mainly in the morning. SUNDAY NIGHT East winds around 5 knots. Seas around 2 feet. Wave Detail: East 2 feet at 9 seconds. A chance of showers and thunderstorms after midnight. MONDAY AND MONDAY NIGHT East winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 8 seconds and northeast 2 feet at 8 seconds. A chance of showers and thunderstorms. TUESDAY Northeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 8 seconds. A chance of thunderstorms. WEDNESDAY Northeast winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. A chance of thunderstorms. Showers likely . Winds and seas higher in and near thunderstorms. $$