NWS Marine Forecast



 Hazardous marine condition(s):
 Marine Weather Statement
   AMZ400-110800-  Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-  139 PM EDT Fri Jul 10 2026      .SYNOPSIS...    Atlantic high pressure will continue to extend its axis westward  across the Florida peninsula through Saturday morning, with this  weather pattern maintaining a prevailing southwesterly wind flow  during the overnight and morning hours, with southeast and southerly  winds then surging to Caution levels during the late afternoon and  evening hours as the Atlantic sea breeze shifts inland through  Saturday. Only isolated thunderstorms will be possible across the  near shore waters this afternoon, mainly from around St. Augustine  southward. Troughing will then develop over the southeastern states  by late Saturday and Sunday, with prevailing westerly winds forecast  and increasing chances for afternoon and evening thunderstorms,  especially by Sunday and Monday. A frontal boundary will then sink  into the southeastern states early next week, with this feature  likely stalling over the southeast Georgia waters by Tuesday before  weakening towards midweek. Numerous showers and thunderstorms are  forecast on Tuesday across our local waters, with coverage then  expected to gradually decrease by Wednesday and especially Thursday.      .GULF STREAM...    The approximate location of the west wall of the Gulf Stream as of  Jul 10, 2026 at 0000 UTC...    46 nautical miles east of Flagler Beach.  49 nautical miles east of Saint Augustine Beach.  56 nautical miles east southeast of Jacksonville Beach.  66 nautical miles east southeast of St Simons Island.    This data derived from NCEP Global RTOFS model.      $$
   AMZ450-452-454-110800-  Coastal waters from Altamaha Sound to Fernandina Beach FL out  20 NM-  Coastal waters from Fernandina Beach to St. Augustine FL out  20 NM-  Coastal waters from St. Augustine to Flagler Beach FL out 20 NM-  139 PM EDT Fri Jul 10 2026    SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 6 PM THIS EVENING  TO 1 AM EDT SATURDAY    REST OF TODAY  South winds 10 to 15 knots. Seas 2 to 4 feet,  occasionally to 5 feet. Wave Detail: Southeast 3 feet at  5 seconds and southeast 2 feet at 9 seconds. Intracoastal waters  a moderate chop.  TONIGHT  South winds 15 to 20 knots, becoming southwest 10 to  15 knots after midnight. Seas 2 to 4 feet, occasionally to  5 feet. Wave Detail: South 3 feet at 5 seconds. Intracoastal  waters choppy.  SATURDAY  Southwest winds 5 to 10 knots, becoming south 10 to  15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail:  Southeast 3 feet at 5 seconds. Intracoastal waters a moderate  chop.  SATURDAY NIGHT  Southwest winds 15 to 20 knots, becoming west  10 to 15 knots after midnight. Seas 2 to 3 feet. Wave Detail:  South 3 feet at 5 seconds. Intracoastal waters choppy. A slight  chance of showers and thunderstorms in the evening.  SUNDAY  West winds 5 to 10 knots, becoming south in the  afternoon. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at  5 seconds and southeast 2 feet at 8 seconds. Intracoastal waters  light chop. A chance of showers and thunderstorms in the  afternoon.  SUNDAY NIGHT  Southwest winds 10 to 15 knots, becoming west  5 to 10 knots after midnight. Seas 2 to 3 feet. Wave Detail:  South 2 feet at 4 seconds and southeast 2 feet at 8 seconds.  Intracoastal waters a moderate chop. A chance of showers and  thunderstorms in the evening, then a slight chance of showers  after midnight.  MONDAY THROUGH TUESDAY  South winds 5 to 10 knots. Seas around  2 feet. Intracoastal waters light chop. A chance of showers and  thunderstorms.    Winds and waves higher in and near thunderstorms.    $$