NWS Marine Forecast



 Hazardous marine condition(s):
 Marine Weather Statement
   AMZ400-140800-  Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-  152 PM EDT Sun Jul 13 2025      .SYNOPSIS...    Atlantic high pressure will weaken and shift southward through  tonight as a weak trough/broad low develops near the Gulf Stream  waters. This feature will then slowly migrate westward across our  local waters on Monday, folled by shifting westward into the  northeast Gulf of Mexico by Tuesday. Showers and thunderstorms will  remain scattered to numerous at times across our local waters  beginning through Monday and Tuesday, with more northerly prevailing  winds shifting to southerly by Tuesday as this trough slowly  organizes over the eastern Gulf towards midweek.      .GULF STREAM...    The approximate location of the west wall of the Gulf Stream as of  Jul 12, 2025 at 1200 UTC...    56 nautical miles east northeast of Flagler Beach.  59 nautical miles east of Saint Augustine Beach.  70 nautical miles east of Jacksonville Beach.  90 nautical miles east southeast of St Simons Island.    This data courtesy of the Naval Oceanographic Office.      $$
   AMZ450-452-454-140800-  Coastal waters from Altamaha Sound to Fernandina Beach FL out  20 NM-  Coastal waters from Fernandina Beach to St. Augustine FL out  20 NM-  Coastal waters from St. Augustine to Flagler Beach FL out 20 NM-  152 PM EDT Sun Jul 13 2025    REST OF TODAY  West winds around 5 knots, becoming south this  afternoon. Seas around 2 feet. Wave Detail: Southeast 2 feet at  8 seconds. Intracoastal waters light chop. A chance of showers  and thunderstorms.  TONIGHT  Southwest winds 5 to 10 knots, becoming west after  midnight. Seas around 2 feet. Wave Detail: Southeast 2 feet at  8 seconds. Intracoastal waters light chop. A slight chance of  showers and thunderstorms.  MONDAY  North winds 5 to 10 knots, becoming northeast in the  afternoon. Seas around 2 feet. Wave Detail: East 2 feet at  8 seconds. Intracoastal waters light chop. A slight chance of  showers and thunderstorms in the morning, then a chance of  showers and thunderstorms in the afternoon.  MONDAY NIGHT  Northeast winds 5 to 10 knots. Seas around  2 feet. Wave Detail: Northeast 2 feet at 6 seconds. Intracoastal  waters light chop. A chance of showers. A chance of  thunderstorms, mainly in the evening.  TUESDAY  East winds 5 to 10 knots, becoming southeast 10 to  15 knots in the afternoon. Seas around 2 feet. Wave Detail: East  2 feet at 6 seconds. Intracoastal waters a moderate chop. A  chance of thunderstorms. A chance of showers in the morning, then  showers likely in the afternoon.  TUESDAY NIGHT  Southeast winds 10 to 15 knots. Seas 2 to  3 feet. Wave Detail: Southeast 3 feet at 5 seconds. Intracoastal  waters a moderate chop. A chance of showers. A chance of  thunderstorms, mainly in the evening.  WEDNESDAY THROUGH THURSDAY  South winds 15 to 20 knots. Seas  2 to 3 feet. Intracoastal waters choppy. Showers and  thunderstorms likely.    Winds and waves higher in and near thunderstorms.    $$