NWS Marine Forecast


   AMZ400-021300-  Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-  558 PM EDT Wed Jul 1 2026      .SYNOPSIS...    Gusty easterly winds today between high pressure northeast of the  region and an inverted trough offshore of the southeast coast.  Morning showers will shift inland into the afternoon. The trough  lingers but weakens Thursday into Friday with a dominant east coast  sea breeze regime shifting morning showers inland into the afternoon  each day. High pressure builds across central and south Florida this  weekend into early next week with a transition to south to southwest  flow over the local waters and high afternoon and evening  thunderstorm chances over the local waters and nightly wind surges  near exercise caution levels.      .GULF STREAM...    The approximate location of the west wall of the Gulf Stream as of  Jul 01, 2026 at 0000 UTC...    58 nautical miles east of Flagler Beach.  62 nautical miles east of Saint Augustine Beach.  74 nautical miles east southeast of Jacksonville Beach.  71 nautical miles east southeast of St Simons Island.    This data derived from NCEP Global RTOFS model.      $$
   AMZ450-452-454-021300-  Coastal waters from Altamaha Sound to Fernandina Beach FL out  20 NM-  Coastal waters from Fernandina Beach to St. Augustine FL out  20 NM-  Coastal waters from St. Augustine to Flagler Beach FL out 20 NM-  558 PM EDT Wed Jul 1 2026    TONIGHT  East winds 10 to 15 knots, diminishing to 5 to  10 knots after midnight. Seas 3 to 4 feet, occasionally to  5 feet. Wave Detail: East 3 feet at 4 seconds and east 3 feet at  8 seconds. Intracoastal waters a moderate chop.  THURSDAY  Northeast winds 10 to 15 knots. Seas 3 to 4 feet,  occasionally to 5 feet. Wave Detail: East 4 feet at 8 seconds.  Intracoastal waters a moderate chop. A slight chance of showers.  THURSDAY NIGHT  East winds 10 to 15 knots, becoming southeast  5 to 10 knots after midnight. Seas 3 to 4 feet, occasionally to  5 feet. Wave Detail: East 3 feet at 8 seconds. Intracoastal  waters a moderate chop.  FRIDAY  East winds 5 to 10 knots. Seas 2 to 3 feet. Wave  Detail: East 3 feet at 8 seconds. Intracoastal waters light chop.  FRIDAY NIGHT  Southeast winds 5 to 10 knots, becoming south  after midnight. Seas 2 to 3 feet. Wave Detail: East 2 feet at  8 seconds. Intracoastal waters light chop.  SATURDAY  South winds 5 to 10 knots, becoming southeast 10 to  15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail:  Southeast 2 feet at 3 seconds and northeast 2 feet at 6 seconds.  Intracoastal waters a moderate chop. A chance of showers and  thunderstorms in the afternoon.  SATURDAY NIGHT  South winds 10 to 15 knots, becoming southwest  5 to 10 knots after midnight. Seas 2 to 3 feet. Intracoastal  waters a moderate chop. A slight chance of showers and  thunderstorms.  SUNDAY THROUGH MONDAY  Southwest winds 15 to 20 knots. Seas  2 to 4 feet, occasionally to 5 feet. Intracoastal waters choppy.  A slight chance of showers and thunderstorms.    Winds and waves higher in and near thunderstorms.    $$