NWS Marine Forecast



 Hazardous marine condition(s):
 Small Craft Advisory
   AMZ400-261530-  Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-  817 PM EDT Fri Sep 25 2026      .SYNOPSIS...    A frontal boundary will extend down the east coast of the US from  low pressure off the northeast US coast through the weekend into  early next week. The pressure gradient between high pressure to the  northwest and this low will weaken Tonight through Saturday,  allowing local conditions to improve.      .GULF STREAM...    The approximate location of the west wall of the Gulf Stream as of  Sep 25, 2026 at 0000 UTC...    54 nautical miles east of Flagler Beach.  62 nautical miles east of Saint Augustine Beach.  74 nautical miles east southeast of Jacksonville Beach.  81 nautical miles east southeast of St Simons Island.    This data derived from NCEP Global RTOFS model.      $$
   AMZ452-454-261530-  Coastal waters from Fernandina Beach to St. Augustine FL out  20 NM-  Coastal waters from St. Augustine to Flagler Beach FL out 20 NM-  817 PM EDT Fri Sep 25 2026    SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING    REST OF TONIGHT  North winds 10 to 15 knots. Seas 6 to 8 feet,  occasionally to 10 feet. Wave Detail: Northeast 8 feet at  12 seconds. Intracoastal waters a moderate chop.  SATURDAY  North winds 10 to 15 knots. Seas 5 to 7 feet,  occasionally to 9 feet. Wave Detail: Northeast 6 feet at  12 seconds. Intracoastal waters a moderate chop.  SATURDAY NIGHT  North winds 5 to 10 knots, becoming northwest  after midnight. Seas 4 to 6 feet, occasionally to 8 feet. Wave  Detail: Northeast 6 feet at 13 seconds. Intracoastal waters light  chop.  SUNDAY  West winds 5 to 10 knots, becoming south in the  afternoon. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail:  Northeast 5 feet at 13 seconds. Intracoastal waters light chop.  SUNDAY NIGHT  Southwest winds 10 to 15 knots. Seas 3 to 4 feet,  occasionally to 5 feet. Wave Detail: East 4 feet at 12 seconds  and south 2 feet at 3 seconds. Intracoastal waters a moderate  chop.  MONDAY AND MONDAY NIGHT  Southwest winds 10 to 15 knots. Seas  2 to 4 feet, occasionally to 5 feet. Wave Detail: South 3 feet at  4 seconds and east 3 feet at 11 seconds. Intracoastal waters a  moderate chop.  TUESDAY  South winds 5 to 10 knots. Seas around 2 feet.  Intracoastal waters light chop.  WEDNESDAY  Southeast winds 10 to 15 knots. Seas 2 to 3 feet.  Intracoastal waters a moderate chop. A slight chance of showers  and thunderstorms through the night. A slight chance of showers  after midnight.    Winds and waves higher in and near thunderstorms.    $$