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Updated:July 11, 2026 12:15 pm PDT

Coastal Flood Advisory COASTAL FLOOD ADVISORY  
Los Angeles County

  Effective: Sat, 7/11 11:52am Severity: Minor
  Updated: July 11, 2026 12:15 pm Urgency: Expected
  Expires: Sun, 7/12 6:00am Certainty: Likely

Areas Affected: San Francisco - North Bay Interior Valleys - San Francisco Bay Shoreline
 
Alert Details:
* WHAT...Up to 1.7 ft of inundation above ground level is
possible in low-lying areas near shorelines and tidal
waterways.

* WHERE...Bayshore locations along the San Francisco and San Pablo
Bays.

* WHEN...Until 4 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 1.6 ft above normal (7.4 ft MLLW) at 9:11 PM
7/11, 1.7 ft above normal (7.5 ft MLLW) at 10:06 PM 7/12, 1.7 ft
above normal (7.5 ft MLLW) at 11:01 PM 7/13, 1.6 ft above
normal (7.4 ft MLLW) at 11:55 PM 7/14, 1.3 ft above normal (7.1
ft MLLW) at 12:48 AM 7/16. These predictions include both
astronomical tides and roughly 3-6 inches of additional water
mainly from a combination of thermal expansion and accumulated
sea level rise since the tidal datum was established (1983-
2001). 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  
Los Angeles County

  Effective: Sat, 7/11 11:52am Severity: Minor
  Updated: July 11, 2026 12:15 pm Urgency: Expected
  Expires: Sun, 7/12 6:00am 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...Up to 1.7 ft of inundation above ground level is
possible in low-lying areas near shorelines and tidal
waterways.

* WHERE...Pacific Coast including Monterey Bay.

* WHEN...From 8 PM Saturday to 4 AM PDT Wednesday.

* 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 1.6 ft above normal (7.4 ft MLLW) at
9:11 PM 7/11, 1.7 ft above normal (7.5 ft MLLW) at 10:06 PM
7/12, 1.7 ft above normal (7.5 ft MLLW) at 11:01 PM 7/13, 1.6
ft above normal (7.4 ft MLLW) at 11:55 PM 7/14. These
predictions include both astronomical tides and roughly 3-6
inches of additional water mainly from a combination of
thermal expansion and accumulated sea level rise since the
tidal datum was established (1983-2001). 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: Sat, 7/11 11:52am Severity: Minor
  Updated: July 11, 2026 12:15 pm Urgency: Expected
  Expires: Sun, 7/12 6:00am Certainty: Likely

Areas Affected: San Francisco - North Bay Interior Valleys - San Francisco Bay Shoreline
 
Alert Details:
* WHAT...Up to 1.7 ft of inundation above ground level is
possible in low-lying areas near shorelines and tidal
waterways.

* WHERE...Bayshore locations along the San Francisco and San Pablo
Bays.

* WHEN...Until 4 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 1.6 ft above normal (7.4 ft MLLW) at 9:11 PM
7/11, 1.7 ft above normal (7.5 ft MLLW) at 10:06 PM 7/12, 1.7 ft
above normal (7.5 ft MLLW) at 11:01 PM 7/13, 1.6 ft above
normal (7.4 ft MLLW) at 11:55 PM 7/14, 1.3 ft above normal (7.1
ft MLLW) at 12:48 AM 7/16. These predictions include both
astronomical tides and roughly 3-6 inches of additional water
mainly from a combination of thermal expansion and accumulated
sea level rise since the tidal datum was established (1983-
2001). 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: Sat, 7/11 11:52am Severity: Minor
  Updated: July 11, 2026 12:15 pm Urgency: Expected
  Expires: Sun, 7/12 6:00am 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...Up to 1.7 ft of inundation above ground level is
possible in low-lying areas near shorelines and tidal
waterways.

* WHERE...Pacific Coast including Monterey Bay.

* WHEN...From 8 PM Saturday to 4 AM PDT Wednesday.

* 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 1.6 ft above normal (7.4 ft MLLW) at
9:11 PM 7/11, 1.7 ft above normal (7.5 ft MLLW) at 10:06 PM
7/12, 1.7 ft above normal (7.5 ft MLLW) at 11:01 PM 7/13, 1.6
ft above normal (7.4 ft MLLW) at 11:55 PM 7/14. These
predictions include both astronomical tides and roughly 3-6
inches of additional water mainly from a combination of
thermal expansion and accumulated sea level rise since the
tidal datum was established (1983-2001). 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.