Areas of Extreme Heat and Excessive Rainfall Potential

Dangerous and extreme heat will remain across portions of the central U.S. this week, persisting across the mid to lower Mississippi Valley, Gulf Coast, southern Plains and portions of Texas. A heat wave over the Southwest U.S. will peak this weekend. Heavy to excessive rainfall may produce flash flooding from the Delmarva Peninsula north into the Hudson Valley today and tonight. Read More >

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Last Map Update: Tue, Jul 28, 2026 at 2:22:12 pm PDT

Watches, Warnings & Advisories

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National Weather Service San Francisco Bay Area, CA

Small Craft Advisory

Beach Hazards Statement

Sneaker Waves through Wednesday Afternoon

A Beach Hazards Statement for the Lost Coast and Mendocino Coast has been extened through Wednesday. A long period southerly swell has arrived bringing a moderate sneaker wave risk to south and southwest facing beaches. Sneaker waves are relatively large, unexpected waves that can pull you into the frigid ocean. Don't be fooled by an ocean that looks calm. A sneaker wave can strike after 30 minutes of smaller waves. Be cautious on the beach and never turn your back on the ocean!