Extreme Heat Across the Southern U.S.; Severe Thunderstorms and Heavy Rain in the Plains and Mississippi Valley

A heat wave over the Southwest will intensify late week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Severe thunderstorms and heavy rain are expected over portions of the Plains and Mississippi Valley tonight, which will shift to parts of the Upper Midwest and mid-Mississippi Valley Friday. Monsoonal showers and flooding persist in the Desert Southwest. 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: 902 PM PDT Thu Jul 30 2026
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Tonight: NW wind 20 to 25 kt, easing to 15 to 20 kt late this evening and overnight. Seas 6 to 9 ft. Wave detail: NW 8 ft at 8 seconds and S 3 ft at 15 seconds.

Fri: NW wind 15 to 20 kt, rising to 20 to 25 kt in the afternoon. Seas 6 to 7 ft. Wave detail: NW 6 ft at 8 seconds and S 2 ft at 14 seconds.

Fri Night: NW wind 20 to 25 kt. Seas 6 to 9 ft. Wave detail: NW 7 ft at 7 seconds and S 2 ft at 14 seconds.

Sat: NW wind 15 to 20 kt, rising to 20 to 25 kt with gusts up to 35 kt in the afternoon. Seas 6 to 7 ft, building to 7 to 9 ft in the afternoon. Wave detail: NW 8 ft at 8 seconds and S 2 ft at 13 seconds.

Sat Night: NW wind 25 to 30 kt, easing to 20 to 25 kt after midnight. Seas 8 to 11 ft. Wave detail: NW 10 ft at 8 seconds and S 2 ft at 13 seconds.

Sun: NW wind 20 to 25 kt. Seas 8 to 10 ft. Wave detail: NW 10 ft at 10 seconds and S 2 ft at 13 seconds.

Sun Night: NW wind 20 to 25 kt. Gusts up to 35 kt in the evening. Seas 9 to 12 ft. Wave detail: NW 11 ft at 9 seconds and S 2 ft at 13 seconds.

Mon: NW wind 10 to 15 kt. Seas 7 to 10 ft. Wave detail: NW 10 ft at 10 seconds.

Mon Night: NW wind 10 to 15 kt. Seas 7 to 10 ft. Wave detail: NW 9 ft at 10 seconds.

Tue: N wind 5 to 10 kt, backing to W in the afternoon. Seas 5 to 8 ft. Wave detail: NW 8 ft at 9 seconds.

Tue Night: NW wind 5 to 10 kt. Seas 4 to 6 ft. Wave detail: NW 5 ft at 9 seconds.







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

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