NWS Marine Forecast



 Hazardous marine condition(s):
 Special Marine Warning
 Marine Weather Statement
   AMZ400-140500-  Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-  955 AM EDT Sun Jul 13 2025      .SYNOPSIS...    Atlantic high pressure extending its axis westward across the  Florida peninsula will shift southward Today as a weak trough  develops near the Gulf Stream waters. This trough will then slowly  migrate westward across our local waters on Monday, with this  feature shifting into the northeast Gulf of Mexico by Tuesday.  Showers and thunderstorms will likely increase across our local  waters beginning later on Monday and Tuesday, with 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.      $$
   AMZ450-452-454-140500-  Coastal waters from Altamaha Sound to Fernandina Beach FL out  20 NM-  Coastal waters from Fernandina Beach to St. Augustine FL out  20 NM-  Coastal waters from St. Augustine to Flagler Beach FL out 20 NM-  955 AM EDT Sun Jul 13 2025    REST OF TODAY  West winds 5 to 10 knots, becoming south this  afternoon. Seas around 2 feet. Wave Detail: Southeast 2 feet at  8 seconds. Intracoastal waters light chop. A slight chance of  showers and thunderstorms this morning, then a chance of showers  and thunderstorms this afternoon.  TONIGHT  Southwest winds 5 to 10 knots, becoming west after  midnight. Seas around 2 feet. Wave Detail: Southeast 2 feet at  8 seconds. Intracoastal waters light chop. A chance of showers  and thunderstorms, mainly in the evening.  MONDAY  North winds 5 to 10 knots, becoming east in the  afternoon. Seas around 2 feet. Intracoastal waters light chop. A  chance of showers. A slight chance of thunderstorms in the  morning, then a chance of thunderstorms in the afternoon.  MONDAY NIGHT  Southeast winds 5 to 10 knots. Seas around  2 feet. Intracoastal waters light chop. A slight chance of  thunderstorms. A chance of showers, mainly in the evening.  TUESDAY  Southeast winds 5 to 10 knots. Seas around 2 feet.  Wave Detail: Southeast 2 feet at 4 seconds. Intracoastal waters  light chop. A chance of thunderstorms. A chance of showers in the  morning, then showers likely in the afternoon.  TUESDAY NIGHT  Southeast winds around 10 knots. Seas 2 to  3 feet. Wave Detail: Southeast 2 feet at 4 seconds and east  2 feet at 8 seconds. Intracoastal waters light chop. A slight  chance of thunderstorms in the evening. A chance of showers.  WEDNESDAY THROUGH THURSDAY  South winds 10 to 15 knots. Seas  2 to 3 feet. Intracoastal waters a moderate chop. Showers likely  with a chance of thunderstorms.    Winds and waves higher in and near thunderstorms.    $$