San Diego, CA Warnings, Watches and Advisories

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SAFETY and DATA MESSAGE

Do not drive vehicles through flooded areas. The water depth or fast flowing water/mud/debris from a flash flood will make road conditions unsafe. Do not rely soley on data presented here or other third-party websites - always check your official national and local weather service agency website, socials, radio and/or TV stations for making critical decisions related to weather events.

Please carefully read each posted Warning and Alert as it relates to the area(s) being affected. We may provide a wider range of issued severe weather warnings for surrounding cities and counties, so some alerts may not directly impact this location. This is done to help with preparing for severe weather that may overlap or be heading towards San Diego.

Use the Radar Maps link provided to understand the trajectory of a storm.

NWS Active Alerts for CA - Map View

State: CA Alerts: 2 Updated: Apr 19, 2026 4:44am PDT

Coastal Flood Advisory

Area
Northern Coastal Humboldt
Coastal Flood Advisory issued April 19 at 4:18AM PDT until April 20 at 4:00AM PDT by NWS Eureka CA

* WHAT...High astronomical tides and a positive tidal anomaly will cause minor flooding in low lying areas around Humboldt Bay. Up to one half foot of saltwater inundation above ground level is possible near shorelines and tidal waterways. Between 8.6 and 9.0 feet MLLW at the North Spit tide gauge is predicted. * WHERE...Northern Coastal Humboldt County. * WHEN...From midnight tonight to 4 AM PDT Monday. High tide is at 02:00 AM at the Humboldt Bay North Spit tide gauge. Saltwater inundation will be possible 1 to 2 hours before and after high tide. * IMPACTS...Flooding of low lying areas around Humboldt Bay including parks and roads with only isolated closures expected. Flooding will likely impact Jackson Ranch Road in the Arcata Bottoms and several roads in King Salmon.

Wind Advisory

Area
Central Siskiyou County
Wind Advisory issued April 19 at 2:47AM PDT until April 20 at 6:00PM PDT by NWS Medford OR

* WHAT...South winds 25 to 35 mph with gusts up to 50 mph are expected. * WHERE...The Shasta Valley in Central Siskiyou County. This includes the portion of Interstate 5 from Weed to Hilt, including the cities of Yreka, Grenada, and Montague. * WHEN...From 8 AM to 6 PM PDT Monday. * IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result. * ADDITIONAL DETAILS...First, south winds late this morning through this afternoon are expected to be slightly below advisory strength, at 15 to 30 mph with gusts up to 40 mph.

Disclaimer

This severe weather alerts report is relevant for ZIP codes from 92101 through 92199, accurately covering all areas within San Diego, CA.

Currently

Partly Cloudy 59°F
29.89 inHg.
Barometer
90%
Humidity
N 4.7 mph
Wind
Partly Cloudy

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