NWS Marine Forecast



 Hazardous marine condition(s):
 Small Craft Advisory
   PZZ400-221615-  831 PM PDT Mon Sep 21 2026      .SYNOPSIS FOR NORTHERN CALIFORNIA WATERS...Moderate to fresh  northerly winds will persist across the outer waters today,  supported by an onshore pressure gradient between an offshore high  and an inland thermal trough. Winds will surge to strong breeze to  near-gale force across the southern outer waters by Tuesday  morning. Seas will remain steep and wind-driven through mid-week  before a weak front approaches late Thursday.    $$
   PZZ455-221615-  Coastal waters from Cape Mendocino to Pt. Arena CA out 10 nm-  831 PM PDT Mon Sep 21 2026    SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING    REST OF TONIGHT  NW wind 15 to 20 kt. Seas 6 ft. Wave  Detail: NW 6 ft at 8 seconds and W 3 ft at 12 seconds.  TUE  NW wind 20 to 25 kt with gusts up to 40 kt. Seas  7 ft. Wave Detail: NW 7 ft at 7 seconds and NW 7 ft at  12 seconds.  TUE NIGHT  NW wind 20 to 25 kt with gusts up to 35 kt. Seas  around 8 ft. Wave Detail: NW 6 ft at 8 seconds and NW 8 ft at  11 seconds.  WED  NW wind 20 to 25 kt with gusts up to 35 kt. Seas  8 ft. Wave Detail: N 2 ft at 7 seconds and NW 8 ft at 10 seconds.  WED NIGHT  N wind 15 to 20 kt. Seas 7 ft. Wave Detail:  NW 2 ft at 7 seconds and NW 7 ft at 10 seconds.  THU  NW wind 5 to 10 kt. Seas 6 ft. Wave Detail: NW 6 ft  at 11 seconds and SW 2 ft at 15 seconds.  THU NIGHT  N wind 5 kt. Seas 5 ft. Wave Detail:  NW 5 ft at 11 seconds and SW 2 ft at 14 seconds. A chance of  rain.  FRI  NW wind 15 to 20 kt. Seas 7 ft. Wave Detail: NW  7 ft at 11 seconds and SW 2 ft at 14 seconds.  FRI NIGHT  N wind 15 to 20 kt. Seas 7 ft. Wave Detail:  NW 7 ft at 9 seconds and SW 2 ft at 13 seconds.  SAT  NW wind 10 to 15 kt. Seas 7 ft. Wave Detail: NW  7 ft at 9 seconds and SW 2 ft at 13 seconds.  SAT NIGHT  N wind 15 to 20 kt. Seas 7 ft. Wave Detail:  NW 7 ft at 9 seconds and S 2 ft at 13 seconds.    $$