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WARNINGS - WATCHES - ADVISORIES - STATEMENTS
Updates every 15 Minutes
Updated:June 17, 2026 3:00 pm PDT

Coastal Flood Advisory COASTAL FLOOD ADVISORY  
Los Angeles County

Effective: Wed, 6/17 1:16pm Severity: Minor
Updated: June 17, 2026 3:00 pm Urgency: Expected
Expires: Wed, 6/17 10:15pm Certainty: Likely

Areas Affected: North Bay Interior Valleys - San Francisco Bay Shoreline
 
Alert Details:
* WHAT...Up to 1.2 ft of inundation above ground level is
possible in low-lying areas near shorelines and tidal
waterways.

* WHERE...Low-lying bayshore regions along the San Francisco and
San Pablo Bays.

* WHEN...Until 5 AM PDT Thursday.

* 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 1.2 ft above normal (7.1 ft MLLW) at
1:51 AM on Thursday. High tide varies up to 90 minutes earlier
or later along the Pacific Coast and through 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.
Coastal Flood Advisory COASTAL FLOOD ADVISORY  
Marin County

Effective: Wed, 6/17 1:16pm Severity: Minor
Updated: June 17, 2026 3:00 pm Urgency: Expected
Expires: Wed, 6/17 10:15pm Certainty: Likely

Areas Affected: North Bay Interior Valleys - San Francisco Bay Shoreline
 
Alert Details:
* WHAT...Up to 1.2 ft of inundation above ground level is
possible in low-lying areas near shorelines and tidal
waterways.

* WHERE...Low-lying bayshore regions along the San Francisco and
San Pablo Bays.

* WHEN...Until 5 AM PDT Thursday.

* 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 1.2 ft above normal (7.1 ft MLLW) at
1:51 AM on Thursday. High tide varies up to 90 minutes earlier
or later along the Pacific Coast and through 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.
Beach Hazards Statement BEACH HAZARDS STATEMENT  
Los Angeles County

Effective: Wed, 6/17 1:16pm Severity:  Moderate 
Updated: June 17, 2026 3:00 pm Urgency: Expected
Expires: Wed, 6/17 10:15pm Certainty: Likely

Areas Affected: 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...An increased risk of sneaker waves and strong rip
currents expected.

* WHERE...Pacific Coast Beaches.

* WHEN...Through late Friday night.

* IMPACTS...Dangerous swimming and surfing conditions and
localized beach erosion can be expected. Sneaker waves can sweep
across the shoreline without warning, pulling people into the
sea from rocks, jetties and beaches.

Information:
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: Wed, 6/17 1:16pm Severity:  Moderate 
Updated: June 17, 2026 3:00 pm Urgency: Expected
Expires: Wed, 6/17 10:15pm Certainty: Likely

Areas Affected: 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...An increased risk of sneaker waves and strong rip
currents expected.

* WHERE...Pacific Coast Beaches.

* WHEN...Through late Friday night.

* IMPACTS...Dangerous swimming and surfing conditions and
localized beach erosion can be expected. Sneaker waves can sweep
across the shoreline without warning, pulling people into the
sea from rocks, jetties and beaches.

Information:
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.