NWS Marine Forecast



 Hazardous marine condition(s):
 Small Craft Advisory
   AMZ400-192100-  Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-  225 AM EDT Thu Mar 19 2026      .SYNOPSIS...    High pressure north of the region will wedge down the southeastern  seaboard Today with Small Craft Advisory conditions over the  Southeast Georgia waters through this evening and Northeast Florida  waters into early Friday. Winds and seas are expected to diminish by  late Friday as high pressure center reforms to the west of the  waters before settling over the local waters Friday night into  Saturday. The high will sink south of the waters on Sunday into  Monday with southwest to westerly winds ahead of a cold front moving  into the waters next Tuesday with increasing northeasterly winds and  seas.      .GULF STREAM...    The approximate location of the west wall of the Gulf Stream as of  Mar 18, 2026 at 0000 UTC...    50 nautical miles east of Flagler Beach.  53 nautical miles east of Saint Augustine Beach.  64 nautical miles east southeast of Jacksonville Beach.  76 nautical miles east southeast of St Simons Island.    This data derived from NCEP Global RTOFS model.      $$
   AMZ452-454-192100-  Coastal waters from Fernandina Beach to St. Augustine FL out  20 NM-  Coastal waters from St. Augustine to Flagler Beach FL out 20 NM-  225 AM EDT Thu Mar 19 2026    SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT    REST OF TONIGHT  North winds 20 to 25 knots. Seas 5 to 6 feet,  occasionally to 8 feet. Wave Detail: Northeast 6 feet at  5 seconds and east 3 feet at 9 seconds. Intracoastal waters  rough.  THURSDAY  North winds 20 to 25 knots with gusts up to 35 knots.  Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Northeast  7 feet at 6 seconds and east 3 feet at 9 seconds. Intracoastal  waters rough.  THURSDAY NIGHT  Northeast winds 15 to 20 knots. Seas 5 to  7 feet, occasionally to 9 feet. Wave Detail: Northeast 6 feet at  9 seconds. Intracoastal waters choppy.  FRIDAY  Northeast winds 15 to 20 knots, becoming north 10 to  15 knots in the afternoon. Seas 4 to 6 feet, occasionally to  8 feet. Wave Detail: Northeast 5 feet at 7 seconds and east  5 feet at 9 seconds. Intracoastal waters choppy.  FRIDAY NIGHT  Northeast winds 10 to 15 knots, becoming west  5 to 10 knots after midnight. Seas 4 to 5 feet, occasionally to  6 feet. Wave Detail: East 5 feet at 9 seconds. Intracoastal  waters a moderate chop.  SATURDAY AND SATURDAY NIGHT  West winds 10 to 15 knots. Seas  3 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at  10 seconds and south 2 feet at 3 seconds. Intracoastal waters a  moderate chop.  SUNDAY  Southwest winds 10 to 15 knots. Seas 3 to 4 feet,  occasionally to 5 feet. Intracoastal waters a moderate chop.  MONDAY  Southwest winds 10 to 15 knots, becoming west 20 to  25 knots. Seas 2 to 4 feet, occasionally to 5 feet. Intracoastal  waters rough. A slight chance of showers in the evening.    $$