Watches, Warnings & Advisories



2 products issued by NWS for: 3 Miles ENE Sebastopol CA

Coastal Flood Advisory

Coastal Hazard Message
National Weather Service San Francisco CA
101 AM PDT Wed Sep 9 2026

CAZ006-506-508-529-530-100800-
/O.CON.KMTR.CF.Y.0010.000000T0000Z-260910T0800Z/
San Francisco-North Bay Interior Valleys-
San Francisco Bay Shoreline-Northern Monterey Bay-
Southern Monterey Bay and Big Sur Coast-
101 AM PDT Wed Sep 9 2026

...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 1 AM PDT
THURSDAY...

* WHAT...Up to 1.0 ft of inundation above ground level is
  possible in low-lying areas near shorelines and tidal waterways.

* WHERE...Bayshore locations along the San Francisco Bay, San
  Pablo Bay, and Monterey Bay.

* WHEN...In effect now through 1 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 1.0 ft above normal (6.79 ft MLLW) at 10:54
  PM Wednesday 9/9. These predictions include up to 0.6 ft of
  storm surge that will enhance the astronomical tide and flooding
  threat. High tide varies up to 90 minutes earlier or later
  along the Pacific Coast and through the San Francisco Bay,
  respectively.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$




Heat Advisory

URGENT - WEATHER MESSAGE
National Weather Service San Francisco CA
314 AM PDT Wed Sep 9 2026

CAZ006-502>506-508>510-512>518-528>530-110500-
/O.CON.KMTR.HT.Y.0013.000000T0000Z-260911T0500Z/
San Francisco-Marin Coastal Range-Sonoma Coastal Range-North Bay
Interior Mountains-Coastal North Bay Including Point Reyes
National Seashore-North Bay Interior Valleys-San Francisco Bay
Shoreline-San Francisco Peninsula Coast-East Bay Interior Valleys-
Santa Cruz Mountains-Santa Clara Valley Including San Jose-
Eastern Santa Clara Hills-East Bay Hills-Southern Salinas
Valley/Arroyo Seco and Lake San Antonio-Santa Lucia Mountains and
Los Padres National Forest-Mountains of San Benito County And
Interior Monterey County including Pinnacles National Park-
Northern Salinas Valley/Hollister Valley and Carmel Valley-
Northern Monterey Bay-Southern Monterey Bay and Big Sur Coast-
314 AM PDT Wed Sep 9 2026

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT THURSDAY...

* WHAT...Hot conditions with temperatures 10 to 20 degrees above
  normal during the day, with overnight lows also running 10 to 20
  degrees above normal.

* WHERE...Bay Area and Central Coast.

* WHEN...Until 10 PM PDT Thursday.

* IMPACTS...This level of heat affects most individuals sensitive to
  heat, especially those without effective cooling and/or adequate
  hydration. Impacts possible in some health systems and in
  heat-sensitive industries. Hot conditions can cause heat illnesses.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Hydration is a critical piece to surviving the heat. Drink water, and
if possible, take water to those who are vulnerable.

Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to the early
morning or evening. Take action when you experience symptoms of heat
exhaustion and/or heat stroke.

Beat the heat and check the backseat! Do not leave young children or
pets in unattended vehicles. Car interiors will reach lethal
temperatures in a matter of minutes.

&&

$$

AN