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Cold Weather Advisory


URGENT - WEATHER MESSAGE
National Weather Service Hanford CA
1044 PM PST Wed Dec 3 2025

CAZ323-326>328-330-331-041700-
/O.CON.KHNX.CW.Y.0001.000000T0000Z-251204T1700Z/
Yosemite NP outside of the valley-Upper San Joaquin River-Kaiser
to Rodgers Ridge-Kings Canyon NP-Sequoia NP-South End of the
Upper Sierra-
Including the cities of Florence Lake, Lake Wishon, Cedar Grove,
Johnsondale, Tuolumne Meadows, Huntington Lake, Lodgepole, Devils
Postpile, Wawona, Giant Forest, Lake Thomas Edison, and Shaver
Lake
1044 PM PST Wed Dec 3 2025

...COLD WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST THURSDAY
FOR ELEVATIONS ABOVE 9000 FEET...

* WHAT...Very cold wind chills around 10 below zero expected for
  elevations above 9000 feet.

* WHERE...Kaiser to Rodgers Ridge, Kings Canyon NP, Sequoia NP,
  South End of the Upper Sierra, Upper San Joaquin River, and
  Yosemite NP outside of the valley.

* WHEN...Until 9 AM PST Thursday.

* IMPACTS...Very cold temperatures can lead to hypothermia with
  prolonged exposure.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves.

&&

$$

JPK


Coastal Flood Advisory


Coastal Hazard Message
National Weather Service San Francisco CA
939 PM PST Wed Dec 3 2025

CAZ006-529-530-041345-
/O.EXP.KMTR.BH.S.0021.000000T0000Z-251204T0600Z/
/O.CON.KMTR.CF.Y.0016.000000T0000Z-251207T2300Z/
San Francisco-Northern Monterey Bay-
Southern Monterey Bay and Big Sur Coast-
939 PM PST Wed Dec 3 2025

...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST
SUNDAY...
...BEACH HAZARDS STATEMENT WILL EXPIRE AT 10 PM PST THIS
EVENING...

* WHAT...Minor coastal flooding.

* 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.


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.

&&

$$

Coastal Hazard Message
National Weather Service San Francisco CA
939 PM PST Wed Dec 3 2025

CAZ506-508-041345-
/O.CON.KMTR.CF.Y.0016.000000T0000Z-251207T2300Z/
North Bay Interior Valleys-San Francisco Bay Shoreline-
939 PM PST Wed Dec 3 2025

...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST
SUNDAY...

* 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 the San Francisco Bay and San
  Pablo Bay.

* WHEN...Until 3 PM PST Sunday.

* 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 (7.00 ft MLLW) at
  9:04 AM Wednesday, 1.4 ft above normal (7.20 ft MLLW) at 9:48
  AM Thursday, 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.

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.

&&

$$


Small Craft Advisory


URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
804 PM PST Wed Dec 3 2025

PZZ571-041215-
/O.CON.KMTR.SC.Y.0212.251205T0500Z-251205T2300Z/
Waters from Point Reyes to Pigeon Point 10-60 NM-
804 PM PST Wed Dec 3 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 PM THURSDAY TO
3 PM PST FRIDAY...

* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt
  expected.

* WHERE...Waters from Point Reyes to Pigeon Point 10-60 NM.

* WHEN...From 9 PM Thursday to 3 PM PST Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/sanfrancisco


Frost Advisory


URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
916 PM PST Wed Dec 3 2025

CAZ102>106-109-112-113-041415-
/O.CON.KEKA.FR.Y.0038.251204T1100Z-251204T1700Z/
Del Norte Interior-Northern Humboldt Coast-Southwestern Humboldt-
Northern Humboldt Interior-Southern Humboldt Interior-Mendocino
Coast-Southwestern Mendocino Interior-Southeastern Mendocino
Interior-
Including Yorkville, Ettersburg, Calpella, Talmage, Dinsmore, Philo,
Redwood Valley, Whitethorn, Briceland, Ukiah, and Hopland
916 PM PST Wed Dec 3 2025

...FROST ADVISORY REMAINS IN EFFECT FROM 3 AM TO 9 AM PST THURSDAY...

* WHAT...Temperatures as low as 36 will result in frost formation.

* WHERE...Humboldt County, Southern Mendocino Interior, Del Norte
  Interior, and Mendocino Coast.

* WHEN...From 3 AM to 9 AM PST Thursday.

* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
  outdoor plants may be killed if left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

For hazard areas see https://www.wrh.noaa.gov/map/?wfo=eka

EYS

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
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