AMZ400-192100-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
226 AM EDT Tue May 19 2026
.SYNOPSIS...
Atlantic high pressure centered to Bermuda will continue to extend
its axis across the southeastern states through the end of the week.
Prevailing east to southeasterly winds will continue across our
local waters during the next several days. A frontal boundary will
briefly stall over the southeastern states late this week. Caution
conditions will again be possible for the near shore waters from
Friday through early next week as Atlantic high pressure becomes
reinforced near Bermuda.
.GULF STREAM...
The approximate location of the west wall of the Gulf Stream as of
May 18, 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.
$$
AMZ452-454-472-474-192100- Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM- Coastal waters from St. Augustine to Flagler Beach FL out 20 NM- Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM- Waters from St. Augustine to Flagler Beach FL from 20 to 60 NM- 226 AM EDT Tue May 19 2026 REST OF TONIGHT East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 6 seconds. Intracoastal waters a moderate chop. TUESDAY East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 7 seconds. Intracoastal waters a moderate chop. A slight chance of showers in the afternoon. TUESDAY NIGHT East winds 10 to 15 knots, becoming southeast 5 to 10 knots after midnight. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 8 seconds. Intracoastal waters a moderate chop. A slight chance of showers. WEDNESDAY East winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 8 seconds. Intracoastal waters light chop. A slight chance of showers and thunderstorms in the afternoon. WEDNESDAY NIGHT Southeast winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 8 seconds. Intracoastal waters light chop. THURSDAY Southeast winds around 5 knots, increasing to 10 to 15 knots in the afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at 9 seconds. Intracoastal waters a moderate chop. THURSDAY NIGHT Southeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Intracoastal waters a moderate chop. A slight chance of showers and thunderstorms after midnight. FRIDAY THROUGH SATURDAY Southeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Intracoastal waters a moderate chop. A slight chance of showers and thunderstorms. Winds and waves higher in and near thunderstorms. $$
AMZ452-454-472-474-192100- Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM- Coastal waters from St. Augustine to Flagler Beach FL out 20 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- 226 AM EDT Tue May 19 2026 REST OF TONIGHT East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 6 seconds. Intracoastal waters a moderate chop. TUESDAY East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 7 seconds. Intracoastal waters a moderate chop. A slight chance of showers in the afternoon. TUESDAY NIGHT East winds 10 to 15 knots, becoming southeast 5 to 10 knots after midnight. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 8 seconds. Intracoastal waters a moderate chop. A slight chance of showers. WEDNESDAY East winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 8 seconds. Intracoastal waters light chop. A slight chance of showers and thunderstorms in the afternoon. WEDNESDAY NIGHT Southeast winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 8 seconds. Intracoastal waters light chop. THURSDAY Southeast winds around 5 knots, increasing to 10 to 15 knots in the afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at 9 seconds. Intracoastal waters a moderate chop. THURSDAY NIGHT Southeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Intracoastal waters a moderate chop. A slight chance of showers and thunderstorms after midnight. FRIDAY THROUGH SATURDAY Southeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Intracoastal waters a moderate chop. A slight chance of showers and thunderstorms. Winds and waves higher in and near thunderstorms. $$