NWS Marine Forecast



 Hazardous marine condition(s):
 Small Craft Advisory
   AMZ600-GMZ606-182000-  356 AM EDT Wed Mar 18 2026    .Synopsis for Jupiter Inlet to Ocean Reef FL out to 60 nm and for  East Cape Sable to Bonita Beach FL out to 60 nm...    Fresh to strong northerly winds will lead to hazardous marine  conditions for the ocean waters and Biscayne Bay today and into  Thursday. Improving conditions are expected on Friday and into the  weekend. Occasional thunderstorms are possible today in the southern  Atlantic waters.    Gulf Stream Hazards: Northerly winds 20 to 25 knots and seas  6-9 feet through Thursday.    The approximate location of the west wall of the Gulf Stream as of  Mar 14, 2026.    9 nautical miles southeast of Fowey Rocks.  7 nautical miles east of Port Everglades.  3 nautical miles east northeast of Lake Worth.  6 nautical miles east northeast of Jupiter Inlet.    This data courtesy of the Naval Oceanographic Office.    $$
   AMZ650-670-182000-  Coastal waters from Jupiter Inlet to Deerfield Beach FL out 20 NM-  Waters from Jupiter Inlet to Deerfield Beach FL from 20 to 60 NM-  356 AM EDT Wed Mar 18 2026    SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING    TODAY  NE winds 20 to 25 kt. Seas 5 to 8 ft, occasionally to  10 ft. Wave Detail: N 8 ft at 8 seconds. Intracoastal waters a  moderate chop. A chance of showers. A slight chance of tstms late.  TONIGHT  NE winds 25 to 30 kt, diminishing to 20 to 25 kt after  midnight. Seas 6 to 9 ft, occasionally to 11 ft. Wave Detail: N 9 ft  at 7 seconds. Intracoastal waters rough. A chance of showers in the  evening.  THU  N winds 20 to 25 kt. Seas 5 to 8 ft, occasionally to 10 ft.  Wave Detail: N 7 ft at 7 seconds. Intracoastal waters a moderate  chop.  THU NIGHT  NE winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to  7 ft, occasionally to 9 ft. Wave Detail: N 7 ft at 6 seconds.  Intracoastal waters a moderate chop. A chance of showers.  FRI  N winds 15 to 20 kt. Seas 4 to 6 ft, occasionally to 8 ft.  Wave Detail: N 6 ft at 7 seconds. Intracoastal waters a moderate  chop. A chance of showers.  FRI NIGHT  NE winds 15 to 20 kt, diminishing to 10 to 15 kt after  midnight. Seas 4 to 6 ft, occasionally to 8 ft. Wave Detail: NE 5 ft  at 7 seconds. Intracoastal waters choppy in exposed areas.  SAT  NE winds 10 to 15 kt, diminishing to 5 to 10 kt in the  afternoon and evening, then becoming E after midnight. Seas 2 to  4 ft, occasionally to 5 ft. Intracoastal waters a moderate chop.  SUN  SE winds 5 to 10 kt, becoming S after midnight. Seas around  2 ft. Intracoastal waters light chop.    Winds and seas higher in and near tstms.    $$