NWS Marine Forecast



 Hazardous marine condition(s):
 Small Craft Advisory
   AMZ400-082000-  Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-  1234 AM EST Mon Dec 8 2025      .SYNOPSIS...    As an area of low pressure shifts offshore of the southeast U.S.  coast early this morning, north to northwest winds will strengthen  reaching small craft advisory levels by Monday afternoon and  continuing into Tuesday morning. Weak high pressure will then build  over the area Tuesday afternoon into Wednesday then shift southeast  by Wednesday night the next cold front approaches. The weak cold  front is forecast to move through on Thursday.      .GULF STREAM...    The approximate location of the west wall of the Gulf Stream as of  Dec 06, 2025 at 1200 UTC...    71 nautical miles east of Flagler Beach.  74 nautical miles east of Saint Augustine Beach.  85 nautical miles east southeast of Jacksonville Beach.  97 nautical miles east southeast of St Simons Island.    This data courtesy of the Naval Oceanographic Office.      $$
   AMZ470-082000-  Waters from Altamaha Sound GA to Fernandina Beach FL from 20 to  60 NM-  1234 AM EST Mon Dec 8 2025    SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 7 AM EST THIS  MORNING THROUGH THIS AFTERNOON  SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH  TUESDAY MORNING    REST OF TONIGHT  Northeast winds around 10 knots, becoming  north. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail:  East 3 feet at 9 seconds and northeast 2 feet at 4 seconds. A  chance of showers.  MONDAY  North winds 15 to 20 knots. Seas 3 to 5 feet,  occasionally to 6 feet. Wave Detail: North 3 feet at 4 seconds  and east 3 feet at 9 seconds. A slight chance of showers in the  morning.  MONDAY NIGHT  North winds around 20 knots. Seas 4 to 6 feet,  occasionally to 8 feet. Wave Detail: North 6 feet at 6 seconds  and east 2 feet at 9 seconds.  TUESDAY  North winds 15 to 20 knots, diminishing to 10 to  15 knots in the afternoon. Seas 4 to 6 feet, occasionally to  8 feet. Wave Detail: Northeast 5 feet at 7 seconds and east  5 feet at 9 seconds.  TUESDAY NIGHT  North winds 5 to 10 knots. Seas 4 to 5 feet,  occasionally to 6 feet. Wave Detail: Northeast 5 feet at  9 seconds.  WEDNESDAY AND WEDNESDAY NIGHT  West winds 10 to 15 knots. Seas  4 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at  10 seconds and west 3 feet at 4 seconds.  THURSDAY  West winds 10 to 15 knots. Seas 3 to 5 feet,  occasionally to 6 feet, subsiding to 2 to 3 feet.  FRIDAY  West winds 10 to 15 knots. Seas 2 to 3 feet.    $$