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Freeze Warning


URGENT - WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
719 PM PST Thu Dec 4 2025

CAZ343-344-383-051600-
/O.CON.KLOX.FZ.W.0016.251205T1000Z-251205T1600Z/
Southern Salinas Valley-San Luis Obispo County Interior Valleys-
Antelope Valley-
Including the cities of Atascadero, Paso Robles, San Miguel,
Lancaster, Palmdale, Shandon, Creston, Templeton, Lake
Nacimiento, Carrizo Plain, and Lake Los Angeles
719 PM PST Thu Dec 4 2025

...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 8 AM PST FRIDAY...

* WHAT...Sub-freezing temperatures as low as 25 expected.

* WHERE...Antelope Valley, San Luis Obispo County Interior Valleys,
  and Southern Salinas Valley.

* WHEN...From 2 AM to 8 AM PST Friday.

* IMPACTS...Frost and freeze conditions could kill crops, other
  sensitive vegetation and possibly damage unprotected outdoor
  plumbing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$


Cold Weather Advisory


URGENT - WEATHER MESSAGE
National Weather Service San Francisco CA
506 PM PST Thu Dec 4 2025

CAZ516-518-051600-
/O.CON.KMTR.CW.Y.0001.000000T0000Z-251205T1600Z/
Southern Salinas Valley/Arroyo Seco and Lake San Antonio-
Mountains of San Benito County And Interior Monterey County
including Pinnacles National Park-
506 PM PST Thu Dec 4 2025

...COLD WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 AM PST FRIDAY...

* WHAT...Cold conditions with temperatures 33 to 36 degrees and
  locally to the upper 20s in higher elevations.

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

* WHEN...Until 8 AM PST Friday.

* 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...The coldest conditions will occur each night
  from Midnight to 8 AM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

Bain


Coastal Flood Advisory


Coastal Hazard Message
National Weather Service San Francisco CA
1202 PM PST Thu Dec 4 2025

CAZ006-506-508-529-530-051300-
/O.CON.KMTR.CF.Y.0016.000000T0000Z-251207T2300Z/
San Francisco-North Bay Interior Valleys-
San Francisco Bay Shoreline-Northern Monterey Bay-
Southern Monterey Bay and Big Sur Coast-
1202 PM PST Thu Dec 4 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 San Francisco and Monterey
  Bay.

* WHEN...Until 3 PM PST Sunday.

* IMPACTS...Flooding of lots, parks, and roads with only
  isolated road closures expected.

* ADDITIONAL DETAILS...The San Francisco tidal gauge high tide is
  expected to be 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 Eureka CA
231 PM PST Thu Dec 4 2025

PZZ475-050645-
/O.CON.KEKA.SC.Y.0131.000000T0000Z-251205T2200Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
231 PM PST Thu Dec 4 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM PST FRIDAY...

* WHAT...North winds 15 to 20 kt with gusts up to 30 kt and seas
  5 to 8 feet.

* WHERE...Cape Mendocino to Pt Arena 10 to 60 nm.

* WHEN...Until 2 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.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
214 PM PST Thu Dec 4 2025

PZZ540-050615-
/O.CON.KMTR.SC.Y.0212.251205T1700Z-251206T1100Z/
Coastal Waters from Point Arena to Point Reyes California out to
10 NM-
214 PM PST Thu Dec 4 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 AM FRIDAY TO
3 AM PST SATURDAY...

* WHAT...Northwest winds 10 to 20 kt with gusts up to 30 kt
  expected.

* WHERE...Coastal Waters from Point Arena to Point Reyes
  California out to 10 NM.

* WHEN...From 9 AM Friday to 3 AM PST Saturday.

* 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

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
214 PM PST Thu Dec 4 2025

PZZ570-050615-
/O.CON.KMTR.SC.Y.0212.251205T0500Z-251206T1100Z/
Waters from Point Arena to Point Reyes 10-60 NM-
214 PM PST Thu Dec 4 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING
TO 3 AM PST SATURDAY...

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

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

* WHEN...From 9 PM this evening to 3 AM PST Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
214 PM PST Thu Dec 4 2025

PZZ571-050615-
/O.CON.KMTR.SC.Y.0212.251205T0500Z-251206T1100Z/
Waters from Point Reyes to Pigeon Point 10-60 NM-
214 PM PST Thu Dec 4 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING
TO 3 AM PST SATURDAY...

* 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 this evening to 3 AM PST Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
214 PM PST Thu Dec 4 2025

PZZ575-050615-
/O.CON.KMTR.SC.Y.0212.251205T1100Z-251206T1100Z/
Waters from Pigeon Point to Point Pinos 10-60 NM-
214 PM PST Thu Dec 4 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 AM FRIDAY TO
3 AM PST SATURDAY...

* WHAT...North winds 10 to 20 kt with gusts up to 30 kt expected.

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

* WHEN...From 3 AM Friday to 3 AM PST Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
214 PM PST Thu Dec 4 2025

PZZ576-050615-
/O.CON.KMTR.SC.Y.0212.251205T1700Z-251206T1100Z/
Waters from Point Pinos to Point Piedras Blancas 10-60 NM-
214 PM PST Thu Dec 4 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 AM FRIDAY TO
3 AM PST SATURDAY...

* WHAT...Northwest winds 10 to 20 kt with gusts up to 30 kt
  expected.

* WHERE...Waters from Point Pinos to Point Piedras Blancas 10-
  60 NM.

* WHEN...From 9 AM Friday to 3 AM PST Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
1234 PM PST Thu Dec 4 2025

PZZ670-673-050445-
/O.NEW.KLOX.SC.Y.0188.251205T2300Z-251207T1100Z/
Point Piedras Blancas to Point Sal from 10 to 60 NM-
Waters from Pt. Sal to Santa Cruz Island CA and westward 60 nm
including San Miguel and Santa Rosa Islands-
1234 PM PST Thu Dec 4 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM FRIDAY TO 3 AM PST
SUNDAY...

* WHAT...Hazardous sea conditions.

* WHERE...Point Piedras Blancas to Point Sal from 10 to 60 NM
  and Waters from Pt. Sal to Santa Cruz Island CA and westward
  60 nm including San Miguel and Santa Rosa Islands.

* WHEN...From 3 PM Friday to 3 AM PST Sunday.

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

* ADDITIONAL DETAILS...See the Coastal Waters Forecast (CWFLOX)
  for more.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

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
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE