What areas of Northern California are expected to be impacted by the upcoming storm?

The Sonoma and Marin coastlines, as well as the North Bay region, are expected to be the hardest hit areas, with high wind warnings and the potential for heavy rainfall.

How strong are the wind gusts forecasted for the Sonoma and Marin coasts?

Forecasters warn that wind gusts in these coastal areas could reach 60 to 65 mph, with isolated gusts of 65 to 70 mph possible in some spots.

What is the expected rainfall amount for the North Bay region during the storm?

The North Bay, including Sonoma, Marin, and Napa counties, is forecast to receive between 1 to 2 inches of rain, with the higher terrain and coastal ranges potentially seeing 1.5 to 2.5 inches, and some prominent mountains receiving just under 3 inches.

Home / Weather / Sonoma and Marin Coasts Brace for Powerful Winds as Atmospheric River Storm Hits

Sonoma and Marin Coasts Brace for Powerful Winds as Atmospheric River Storm Hits

5 Nov

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Summary

Powerful atmospheric river storm expected to hit Northern California on Tuesday night
High wind warnings issued for coastal areas, with gusts up to 70 mph possible
Moderate to heavy rain forecast, especially in the North Bay region

Sonoma and Marin Coasts Brace for Powerful Winds as Atmospheric River Storm Hits

On Tuesday, November 5th, 2025, a powerful atmospheric river storm is forecast to hit Northern California, with the primary concerns being intense winds and heavy rainfall.

The National Weather Service has issued a high wind warning for coastal areas north of the Golden Gate, including the Sonoma and Marin coastlines. Forecasters warn that wind gusts in these regions could reach 60 to 65 mph, with isolated gusts of 65 to 70 mph possible in some areas. Residents are urged to secure loose outdoor items and prepare for potential power outages.

In addition to the high wind warnings, a broader wind advisory is in effect for the North Bay, San Francisco, the Peninsula, East Bay, and the Santa Cruz Mountains, where wind gusts are expected to range from 45 to 55 mph.