National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Coastal Waters Forecast for Coastal Waters from Point Arena to Point Reyes California out to 10 nm (PZZ540) (Text-Only)
NWS Forecast for: Coastal Waters from Point Arena to Point Reyes California out to 10 nm (PZZ540)
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Last Update: 837 PM PDT Sat Mar 21 2026		Print



Tonight: NW wind 20 to 25 kt with gusts up to 35 kt, easing to 15 to 20 kt late. Seas 7 to 10 ft. Wave detail: NW 10 ft at 9 seconds.

Sun: NW wind 15 to 20 kt. Seas 6 to 9 ft. Wave detail: NW 9 ft at 10 seconds and SW 2 ft at 14 seconds.

Sun Night: NW wind 15 to 20 kt. Seas 5 to 8 ft. Wave detail: NW 8 ft at 9 seconds.

Mon: NW wind 15 to 20 kt, easing to 10 to 15 kt in the afternoon. Seas 5 to 7 ft. Wave detail: NW 7 ft at 10 seconds and SW 2 ft at 14 seconds.

Mon Night: NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave detail: NW 6 ft at 9 seconds and SW 3 ft at 14 seconds.

Tue: NW wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon. Seas 3 to 5 ft. Wave detail: NW 4 ft at 11 seconds and S 3 ft at 13 seconds.

Tue Night: NW wind 10 to 15 kt. Seas 3 to 4 ft. Wave detail: NW 4 ft at 8 seconds.

Wed: NW wind 15 to 20 kt, rising to 20 to 25 kt in the afternoon. Seas 4 to 6 ft. Wave detail: NW 6 ft at 8 seconds.

Wed Night: NW wind 25 to 30 kt. Seas 7 to 10 ft. Wave detail: NW 9 ft at 10 seconds.

Thu: NW wind 20 to 25 kt. Seas 8 to 11 ft. Wave detail: NW 9 ft at 10 seconds.

Thu Night: NW wind 20 to 25 kt, easing to 15 to 20 kt after midnight. Seas 7 to 10 ft. Wave detail: NW 10 ft at 10 seconds.






Zone Forecast: Coastal Waters from Point Arena to Point Reyes California out to 10 nm (PZZ540)

Visit your local NWS office at: https://www.weather.gov/mtr