NWS Marine Forecast


   AMZ400-150900-  Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-  226 PM EDT Fri Aug 14 2026      .SYNOPSIS...    A stagnant weather pattern, dominated by an upper ridge and  reinforced surface trough to the north and surface high pressure  extended across central and southern Florida. This will result in  westerly, light offshore flow through the weekend and into next  week. A southeast or south wind shift will occur across the near  shore waters each afternoon as the sea breeze develops. The majority  of thunderstorm activity will be inland but an isolated storm across  the nearshore waters will be possible through the weekend.      .GULF STREAM...    The approximate location of the west wall of the Gulf Stream as of  Aug 14, 2026 at 0000 UTC...    46 nautical miles east of Flagler Beach.  49 nautical miles east of Saint Augustine Beach.  60 nautical miles east southeast of Jacksonville Beach.  71 nautical miles east southeast of St Simons Island.    This data derived from NCEP Global RTOFS model.      $$
   AMZ450-452-454-150900-  Coastal waters from Altamaha Sound to Fernandina Beach FL out  20 NM-  Coastal waters from Fernandina Beach to St. Augustine FL out  20 NM-  Coastal waters from St. Augustine to Flagler Beach FL out 20 NM-  226 PM EDT Fri Aug 14 2026    REST OF TODAY  Southeast winds 10 to 15 knots. Seas around  2 feet. Wave Detail: Southeast 2 feet at 3 seconds. Intracoastal  waters a moderate chop. A slight chance of showers and  thunderstorms.  TONIGHT  Southwest winds 10 to 15 knots, diminishing to 5 to  10 knots after midnight. Seas around 2 feet. Wave Detail: South  2 feet at 3 seconds. Intracoastal waters a moderate chop.  SATURDAY  Southwest winds 5 to 10 knots, becoming south 10 to  15 knots in the afternoon. Seas around 2 feet. Wave Detail:  Southeast 2 feet at 4 seconds. Intracoastal waters a moderate  chop. A slight chance of showers and thunderstorms in the  afternoon.  SATURDAY NIGHT  Southwest winds 5 to 10 knots. Seas around  2 feet. Wave Detail: Southeast 2 feet at 4 seconds. Intracoastal  waters light chop.  SUNDAY  Southwest winds 5 to 10 knots, becoming south in the  afternoon. Seas around 2 feet. Wave Detail: Southeast 2 feet at  4 seconds and southeast 2 feet at 8 seconds. Intracoastal waters  light chop.  SUNDAY NIGHT  Southwest winds around 10 knots, becoming west  after midnight. Seas around 2 feet. Wave Detail: Southeast 2 feet  at 8 seconds. Intracoastal waters light chop.  MONDAY THROUGH TUESDAY  Southwest winds 10 to 15 knots. Seas  2 to 3 feet. Intracoastal waters a moderate chop. A slight chance  of showers and thunderstorms.    Winds and waves higher in and near thunderstorms.    $$