NWS Marine Forecast



 Hazardous marine condition(s):
 Small Craft Advisory
   AMZ400-101315-  Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-  613 PM EDT Fri Oct 9 2026      .SYNOPSIS...    A front will lift northward through the waters this afternoon and  evening with another high pressure center building in north of the  region and to the north northeast on Saturday. Small Craft Advisory  conditions expected to continue due to elevated east and southeast  winds and seas through Saturday night.    The National Hurricane Center is monitoring Hurricane Isaias in the  northeast Gulf. This system is expected to move northward towards  the central Gulf coast region today and make landfall tonight. Isais  will continue to track north on Saturday over Alabama. Numerous  showers and thunderstorms will continue over area waters through  tonight and partially on Saturday as tropical moisture surges  northward on the eastern periphery of this tropical system. On  Sunday afternoon, a weak cold front will move through the forecast  waters providing for a wind shift to west and northwest and drier  air moving in through early next week.      .GULF STREAM...    The approximate location of the west wall of the Gulf Stream as of  Oct 09, 2026 at 0000 UTC...    58 nautical miles east of Flagler Beach.  66 nautical miles east of Saint Augustine Beach.  78 nautical miles east southeast of Jacksonville Beach.  71 nautical miles east southeast of St Simons Island.    This data derived from NCEP Global RTOFS model.      $$
   AMZ452-454-472-474-101315-  Coastal waters from Fernandina Beach to St. Augustine FL out  20 NM-  Coastal waters from St. Augustine to Flagler Beach FL out 20 NM-  Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM-  Waters from St. Augustine to Flagler Beach FL from 20 to 60 NM-  613 PM EDT Fri Oct 9 2026    SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SATURDAY NIGHT    TONIGHT  Southeast winds around 20 knots. Seas 5 to 6 feet,  occasionally to 8 feet. Wave Detail: East 6 feet at 7 seconds.  Intracoastal waters choppy. A slight chance of thunderstorms.  Showers likely, mainly this evening.  SATURDAY  South winds 15 to 20 knots. Seas 5 to 6 feet,  occasionally to 8 feet. Wave Detail: Southeast 6 feet at  6 seconds. Intracoastal waters choppy. A slight chance of  thunderstorms. A chance of showers in the morning, then showers  likely in the afternoon.  SATURDAY NIGHT  South winds 20 to 25 knots. Seas 5 to 6 feet,  occasionally to 8 feet. Wave Detail: South 6 feet at 6 seconds.  Intracoastal waters rough. A chance of showers. A chance of  thunderstorms, mainly in the evening.  SUNDAY  Southwest winds 15 to 20 knots, diminishing to 10 to  15 knots in the afternoon. Seas 4 to 6 feet, occasionally to  8 feet. Wave Detail: South 5 feet at 6 seconds. Intracoastal  waters choppy. Showers likely with a slight chance of  thunderstorms.  SUNDAY NIGHT THROUGH MONDAY NIGHT  Northwest winds 10 to  15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail:  Southeast 4 feet at 7 seconds and west 3 feet at 4 seconds.  Intracoastal waters a moderate chop.  TUESDAY THROUGH WEDNESDAY  Southeast winds 10 to 15 knots. Seas  2 to 3 feet. Wave Detail: East 3 feet at 7 seconds and northwest  2 feet at 4 seconds. Intracoastal waters a moderate chop.    Winds and waves higher in and near thunderstorms.    $$