Logo

Marin County Alerts
Noaa Logo 2
NOAA's National Weather Service
Each location shows all alerts on one page
WARNINGS - WATCHES - ADVISORIES - STATEMENTS
Updates every 15 Minutes
Alert Summary | Alert RSS Feed | Alert Archives | Icon key
Updated:January 11, 2026 6:45 pm PST

Cold Weather Advisory COLD WEATHER ADVISORY  
Los Angeles County

  Effective: Sun, 1/11 11:36am Severity:  Moderate 
  Updated: January 11, 2026 6:45 pm Urgency: Expected
  Expires: Sun, 1/11 8:00pm Certainty: Likely

Areas Affected: North Bay Interior Valleys - East Bay Interior Valleys - 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 in the low to mid 30s
expected.

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

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

* 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...Temperatures in the far southern Salinas
Valley (Bradley) and in the vicinity of Fort Hunter Liggett
(Monterey County) will be locally colder with temperatures in the
upper 20s to low 30s.

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.
Cold Weather Advisory COLD WEATHER ADVISORY  
Marin County

  Effective: Sun, 1/11 11:36am Severity:  Moderate 
  Updated: January 11, 2026 6:45 pm Urgency: Expected
  Expires: Sun, 1/11 8:00pm Certainty: Likely

Areas Affected: North Bay Interior Valleys - East Bay Interior Valleys - 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 in the low to mid 30s
expected.

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

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

* 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...Temperatures in the far southern Salinas
Valley (Bradley) and in the vicinity of Fort Hunter Liggett
(Monterey County) will be locally colder with temperatures in the
upper 20s to low 30s.

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.
Beach Hazards Statement BEACH HAZARDS STATEMENT  
Los Angeles County

  Effective: Sun, 1/11 12:01pm Severity:  Moderate 
  Updated: January 11, 2026 6:45 pm Urgency: Expected
  Expires: Sun, 1/11 10:00pm Certainty: Likely

Areas Affected: San Francisco - Coastal North Bay Including Point Reyes National Seashore - San Francisco Peninsula Coast - Northern Monterey Bay - Southern Monterey Bay and Big Sur Coast
 
Alert Details:
* WHAT...Hazardous beach conditions expected with increased risk
for rip currents, sneaker waves, and larger shore break.

* WHERE...Pacific Coast from Sonoma county to Monterey county.

* WHEN...From Sunday afternoon through Monday evening.

* IMPACTS...Dangerous conditions are forecast along the shoreline.
Hazards include sneaker waves, strong rip currents, and large
breaking waves.

Information:
Conditions are favorable for a heightened risk of sneaker waves.
Stay off the rocks and NEVER turn your back on the ocean!

Stay off of jetties, piers, rocks, and other waterside
infrastructure. Remain out of the water to avoid hazardous surf
and NEVER turn your back on the ocean. Monitor local weather,
surf and tide forecasts at www.weather.gov/mtr.
Beach Hazards Statement BEACH HAZARDS STATEMENT  
Marin County

  Effective: Sun, 1/11 12:01pm Severity:  Moderate 
  Updated: January 11, 2026 6:45 pm Urgency: Expected
  Expires: Sun, 1/11 10:00pm Certainty: Likely

Areas Affected: San Francisco - Coastal North Bay Including Point Reyes National Seashore - San Francisco Peninsula Coast - Northern Monterey Bay - Southern Monterey Bay and Big Sur Coast
 
Alert Details:
* WHAT...Hazardous beach conditions expected with increased risk
for rip currents, sneaker waves, and larger shore break.

* WHERE...Pacific Coast from Sonoma county to Monterey county.

* WHEN...From Sunday afternoon through Monday evening.

* IMPACTS...Dangerous conditions are forecast along the shoreline.
Hazards include sneaker waves, strong rip currents, and large
breaking waves.

Information:
Conditions are favorable for a heightened risk of sneaker waves.
Stay off the rocks and NEVER turn your back on the ocean!

Stay off of jetties, piers, rocks, and other waterside
infrastructure. Remain out of the water to avoid hazardous surf
and NEVER turn your back on the ocean. Monitor local weather,
surf and tide forecasts at www.weather.gov/mtr.