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Monterey County Alerts
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WARNINGS - WATCHES - ADVISORIES - STATEMENTS
Updates every 15 Minutes
Updated:December 4, 2025 9:01 pm PST

Coastal Flood Advisory COASTAL FLOOD ADVISORY  
Monterey County

Effective: Thu, 12/4 12:02pm Severity: Minor
Updated: December 4, 2025 9:01 pm Urgency: Expected
Expires: Fri, 12/5 5:00am Certainty: Likely

Areas Affected: San Francisco - North Bay Interior Valleys - San Francisco Bay Shoreline - Northern Monterey Bay - Southern Monterey Bay and Big Sur Coast
 
Alert Details:
* WHAT...Up to 1.4 ft of inundation above ground level is
possible in low lying areas near shorelines and tidal
waterways.

* WHERE...Bayshore locations along San Francisco and Monterey
Bay.

* WHEN...Until 3 PM PST Sunday.

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

* ADDITIONAL DETAILS...The San Francisco tidal gauge high tide is
expected to be 1.4 ft above normal (7.23 ft MLLW) at 10:35 AM
Friday, 1.2 ft above normal (7.08 ft MLLW) at 11:25 AM Saturday,
and 0.9 ft above normal (6.75 ft MLLW) at 12:17 PM Sunday. High
tide timing varies up to 90 minutes earlier or later along the
Pacific Coast and throughout the San Francisco Bay respectively.

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.
Cold Weather Advisory COLD WEATHER ADVISORY  
Monterey County

Effective: Thu, 12/4 5:06pm Severity:  Moderate 
Updated: December 4, 2025 9:01 pm Urgency: Expected
Expires: Fri, 12/5 8:00am Certainty: Likely

Areas Affected: Southern Salinas Valley/Arroyo Seco and Lake San Antonio - Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park
 
Alert Details:
* WHAT...Cold conditions with temperatures 33 to 36 degrees and
locally to the upper 20s in higher elevations.

* WHERE...Interior portions of San Benito County and the Cholame
Hills in Southeast Monterey County, and Southern Salinas
Valley/Arroyo Seco and Lake San Antonio.

* WHEN...Until 8 AM PST Friday.

* IMPACTS...Cold conditions will be hazardous to sensitive
populations such as unhoused individuals. Prolonged exposure to the
cold conditions will lead to hypothermia for people, pets, and
livestock. Cold conditions may damage or kill sensitive crops,
plants, and vegetation if appropriate precautions are not taken.

* ADDITIONAL DETAILS...The coldest conditions will occur each night
from Midnight to 8 AM.

Information:
Ensure portable heaters are working properly and are used correctly
to avoid sparking a fire indoors. Do not use generators or grills
inside as carbon monoxide poisoning can result.

Check with your local, city, or county officials for information on
available warming centers.

Be sure to dress in layers if outdoors. Make sure that pets and
livestock have adequate food, unfrozen water, and warmth. Cover or
tend to sensitive crops, plants, and vegetation.