NWS Marine Forecast


   AMZ400-210800-  Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-  1229 PM EST Thu Nov 20 2025      .SYNOPSIS...    High pressure ridging over the Florida panhandle will weaken while  shifting slowly southeastward by Friday afternoon and Saturday. A  weakening and mostly dry frontal boundary will then push southward  through the Georgia waters on Saturday night, with this boundary  pushing across the northeast FL waters on Sunday morning. High  pressure will build east-southeastward from the Upper Midwest on  Sunday night towards the Mid-Atlantic states by early Tuesday, with  breezy onshore winds developing across our local waters from Sunday  afternoon through Monday afternoon. A stronger cold front may then  push eastward across the southeastern states next Wednesday and  Wednesday night, with southerly winds expected to develop ahead of  this front beginning on Tuesday.      .GULF STREAM...    The approximate location of the west wall of the Gulf Stream as of  Nov 18, 2025 at 1200 UTC...    50 nautical miles east of Flagler Beach.  59 nautical miles east of Saint Augustine Beach.  76 nautical miles east of Jacksonville Beach.  85 nautical miles east of St Simons Island.    This data courtesy of the Naval Oceanographic Office.      $$
   AMZ470-472-474-210800-  Waters from Altamaha Sound GA to Fernandina Beach FL from 20 to  60 NM-  Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM-  Waters from St. Augustine to Flagler Beach FL from 20 to 60 NM-  1229 PM EST Thu Nov 20 2025    REST OF TODAY  North winds 5 to 10 knots. Seas around 2 feet.  TONIGHT  Northeast winds around 5 knots, becoming northwest  around 5 knots after midnight. Seas around 2 feet in the evening,  then 1 foot or less.  FRIDAY  Northwest winds around 5 knots, becoming southwest in  the afternoon. Seas around 2 feet. Wave Detail: Northeast 2 feet  at 6 seconds.  FRIDAY NIGHT  South winds 5 to 10 knots, becoming southwest  10 to 15 knots after midnight. Seas 2 to 3 feet. Wave Detail:  Southwest 2 feet at 3 seconds and northeast 2 feet at 6 seconds.  SATURDAY  Southwest winds around 10 knots. Seas 2 to 3 feet.  Wave Detail: Southwest 2 feet at 3 seconds and northeast 2 feet  at 7 seconds.  SATURDAY NIGHT  West winds 10 to 15 knots. Seas 2 to 3 feet.  Wave Detail: Southwest 2 feet at 3 seconds.  SUNDAY THROUGH MONDAY  Southeast winds 10 to 15 knots. Seas  2 to 4 feet, occasionally to 5 feet.    $$