NWS Marine Forecast



 Hazardous marine condition(s):
 Small Craft Advisory
   ANZ251-190000-  Massachusetts Bay and Ipswich Bay-  704 AM EDT Sat Jul 18 2026    SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING  THROUGH SUNDAY MORNING    TODAY  S winds 5 to 10 kt with gusts up to 20 kt, increasing to  15 to 20 kt with gusts up to 30 kt this afternoon. Seas 2 to  3 ft. Wave Detail: S 3 ft at 4 seconds and NW 1 foot at  2 seconds. Areas of smoke. A chance of showers and tstms this  afternoon.  TONIGHT  S winds 15 to 20 kt, becoming SW 10 to 15 kt after  midnight. Gusts up to 30 kt. Seas 3 to 4 ft. Wave Detail: SW 3 ft  at 4 seconds and SE 2 ft at 8 seconds. A chance of showers and  tstms in the evening.  SUN  NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to  3 ft. Wave Detail: W 2 ft at 3 seconds and S 2 ft at 4 seconds.  SUN NIGHT  NW winds 5 to 10 kt. Seas around 2 ft. Wave Detail:  W 2 ft at 4 seconds and E 1 foot at 8 seconds.  MON AND MON NIGHT  S winds 10 to 15 kt. Seas around 2 ft. Wave  Detail: S 2 ft at 3 seconds and N 1 foot at 4 seconds.  TUE  S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to  3 ft. Wave Detail: S 3 ft at 3 seconds and SE 1 foot at  8 seconds. A chance of showers and tstms.  TUE NIGHT AND WED  S winds 15 to 20 kt with gusts up to 25 kt.  Seas 2 to 3 ft. Showers with a chance of tstms.  WED NIGHT  SW winds 10 to 15 kt with gusts up to 25 kt. Seas  2 to 3 ft. A chance of showers and tstms.    Winds and seas higher in and near tstms.    Seas are reported as significant wave height, which is the  average of the highest third of the waves. Individual wave  heights may be more than twice the significant wave height.    $$