Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest
Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >
| 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: 323 AM PDT Wed Jun 17 2026 |  |
| Today: SE wind 5 to 10 kt. Seas 4 to 6 ft. Wave detail: NW 5 ft at 9 seconds and S 3 ft at 17 seconds. Patchy dense fog early this morning. Tonight: SE wind around 5 kt. Seas 4 to 6 ft. Wave detail: NW 5 ft at 9 seconds and SW 3 ft at 16 seconds. Thu: SE wind 5 to 10 kt. Seas 4 to 6 ft. Wave detail: NW 5 ft at 10 seconds and SW 4 ft at 14 seconds. Thu Night: SE wind 5 to 10 kt. Seas 4 to 6 ft. Wave detail: NW 4 ft at 10 seconds and SW 3 ft at 15 seconds. Juneteenth: SE wind 5 to 10 kt. Seas 4 to 5 ft. Wave detail: NW 4 ft at 9 seconds and S 4 ft at 9 seconds. Fri Night: S wind 5 to 10 kt, becoming E after midnight. Seas 3 to 5 ft. Wave detail: NW 4 ft at 9 seconds and S 4 ft at 9 seconds. Patchy fog after midnight. Sat: N wind around 5 kt, backing to NW in the afternoon. Seas 3 to 5 ft. Wave detail: NW 4 ft at 9 seconds and SW 3 ft at 14 seconds. Sat Night: NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave detail: NW 6 ft at 8 seconds and SW 3 ft at 14 seconds. Sun: NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave detail: NW 6 ft at 9 seconds and SW 3 ft at 15 seconds. Sun Night: NW wind 15 to 20 kt, easing to 10 to 15 kt after midnight. Seas 5 to 7 ft. Wave detail: NW 6 ft at 9 seconds and SW 2 ft at 15 seconds. | |
| Zone Forecast: Coastal Waters from Point Arena to Point Reyes California out to 10 nm (PZZ540) | |
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