U.S. Alerts  
El Dorado Weather Logo
U.S. Color IR Sat North America Color Background Satellite Thumb
Norcal Dual-Pol Radar Live Northern California Doppler Radar Thumbnail Image
W. Coast IR Satellite West Coast Infrared Satellite
Live Lightning Radar Placerville California Lightning Detection Radar Thumbnail Image
Live Streaming Webcam Placerville California Live Streaming WebCam Thumbnail Image
Local Wx Station Data Sacramento, Northern Sierra Nevada & the Motherlode Area Current Weather Conditions

Napa County Alerts
Skywarn Logo
Noaa Logo
Noaa Logo 2
NOAA's National Weather Service
Each location shows all alerts on one page:
WARNINGS - WATCHES - ADVISORIES - STATEMENTS
Updates every 15 Minutes
Updated:February 2, 2026 12:15 am PST

Coastal Flood Advisory COASTAL FLOOD ADVISORY  
Napa County

Effective: Sun, 2/1 11:44pm Severity: Minor
Updated: February 2, 2026 12:15 am Urgency: Expected
Expires: Mon, 2/2 7:45am Certainty: Likely

Areas Affected: North Bay Interior Valleys
 
Alert Details:
* WHAT...Up to 1.0 ft of inundation above ground level is
possible in low-lying areas near shorelines and tidal
waterways.

* WHERE...Bayshore locations along the San Pablo Bay in the
North Bay.

* WHEN...From 9 AM to 1 PM PST Monday.

* IMPACTS...Flooding of lots, parks, and roads with only
isolated road closures expected.

* ADDITIONAL DETAILS...At the San Francisco tidal gauge, high
tide is expected to be: 1.0 ft above normal (6.90 ft MLLW) at
11:12 AM Monday 2/2. High tide varies up to 90 minutes earlier
or later along the San Pablo Bay.

Information:
If travel is required, allow extra time as some roads may be
closed. Do not drive around barricades or through water of
unknown depth. Take the necessary actions to protect flood-prone
property.