Cold Weather Advisory
URGENT - WEATHER MESSAGE
National Weather Service San Francisco CA
919 PM PST Fri Dec 5 2025
CAZ502-504-506-061330-
/O.CON.KMTR.CW.Y.0002.000000T0000Z-251206T1600Z/
Marin Coastal Range-North Bay Interior Mountains-North Bay
Interior Valleys-
919 PM PST Fri Dec 5 2025
...COLD WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 AM PST SATURDAY...
* WHAT...Cold conditions with temperatures as low as 33.
* WHERE...The Marin Hills, North Bay Interior Mountains, and North
Bay Interior Valleys.
* WHEN...Until 8 AM PST Saturday.
* 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.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Cover or tend to sensitive crops, plants, and vegetation.
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.
&&
$$
JM
Coastal Flood Advisory
Coastal Hazard Message
National Weather Service San Francisco CA
1249 PM PST Fri Dec 5 2025
CAZ006-506-508-529-530-061300-
/O.CON.KMTR.CF.Y.0016.000000T0000Z-251207T2300Z/
San Francisco-North Bay Interior Valleys-
San Francisco Bay Shoreline-Northern Monterey Bay-
Southern Monterey Bay and Big Sur Coast-
1249 PM PST Fri Dec 5 2025
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST
SUNDAY...
* WHAT...Up to 1.7 ft of inundation above ground level is
possible in low lying areas near shorelines and tidal waterways.
* WHERE...Bayshore locations along San Francisco and Monterey
Bay.
* WHEN...Until 3 PM PST Sunday.
* IMPACTS...Flooding of lots, parks, and roads with only
isolated road closures expected.
* ADDITIONAL DETAILS...The San Francisco tidal gauge high tide is
expected to be 1.7 ft above normal (7.51 ft MLLW) at 11:25 AM
Saturday and 0.9 ft above normal (6.75 ft MLLW) at 12:17 PM
Sunday. High tide timing varies up to 90 minutes earlier or
later along the Pacific Coast and throughout the San Francisco
Bay respectively.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If travel is required, allow extra time as some roads may be
closed. Do not drive around barricades or through water of
unknown depth. Take the necessary actions to protect flood-prone
property.
&&
$$
Dense Fog Advisory
URGENT - WEATHER MESSAGE
National Weather Service Hanford CA
645 PM PST Fri Dec 5 2025
CAZ300-061200-
/O.EXT.KHNX.FG.Y.0037.000000T0000Z-251206T2000Z/
West Side Mountains north of 198-
Including the cities of San Luis Reservoir
645 PM PST Fri Dec 5 2025
...DENSE FOG ADVISORY NOW IN EFFECT UNTIL NOON PST SATURDAY...
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...West Side Mountains north of 198. This includes Highway
152 through Pacheco Pass.
* WHEN...Until noon PST Saturday.
* IMPACTS...Low visibility could make driving conditions hazardous.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.
&&
$$
Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
851 PM PST Fri Dec 5 2025
PZZ670-673-061300-
/O.CON.KLOX.SC.Y.0188.000000T0000Z-251207T1100Z/
Point Piedras Blancas to Point Sal from 10 to 60 NM-
Waters from Pt. Sal to Santa Cruz Island CA and westward 60 nm
including San Miguel and Santa Rosa Islands-
851 PM PST Fri Dec 5 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PST SUNDAY...
* WHAT...Hazardous sea conditions.
* WHERE...Point Piedras Blancas to Point Sal from 10 to 60 NM
and Waters from Pt. Sal to Santa Cruz Island CA and westward
60 nm including San Miguel and Santa Rosa Islands.
* WHEN...Until 3 AM PST Sunday.
* IMPACTS...Conditions will be hazardous to small craft.
* ADDITIONAL DETAILS...See the Coastal Waters Forecast (CWFLOX)
for more.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
826 PM PST Fri Dec 5 2025
PZZ540-061100-
/O.CON.KMTR.SC.Y.0212.000000T0000Z-251206T1100Z/
Coastal Waters from Point Arena to Point Reyes California out to
10 NM-
826 PM PST Fri Dec 5 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PST
SATURDAY...
* WHAT...Northwest winds 10 to 20 kt with gusts up to 30 kt.
* WHERE...Coastal Waters from Point Arena to Point Reyes
California out to 10 NM.
* WHEN...Until 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
826 PM PST Fri Dec 5 2025
PZZ565-061230-
/O.CON.KMTR.SC.Y.0212.251206T1700Z-251207T1100Z/
Coastal Waters from Point Pinos to Point Piedras Blancas
California out to 10 NM-
826 PM PST Fri Dec 5 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 AM SATURDAY TO
3 AM PST SUNDAY...
* WHAT...Northwest winds 10 to 20 kt with gusts up to 30 kt
expected.
* WHERE...Coastal Waters from Point Pinos to Point Piedras
Blancas California out to 10 NM.
* WHEN...From 9 AM Saturday to 3 AM PST Sunday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
For more information from the National Weather Service visit
http://weather.gov/sanfrancisco
URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
826 PM PST Fri Dec 5 2025
PZZ570-061230-
/O.CON.KMTR.SC.Y.0212.000000T0000Z-251206T1700Z/
Waters from Point Arena to Point Reyes 10-60 NM-
826 PM PST Fri Dec 5 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST
SATURDAY...
* WHAT...Northwest winds 15 to 20 kt with gusts up to 30 kt.
* WHERE...Waters from Point Arena to Point Reyes 10-60 NM.
* WHEN...Until 9 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
826 PM PST Fri Dec 5 2025
PZZ571-061230-
/O.EXT.KMTR.SC.Y.0212.000000T0000Z-251207T1700Z/
Waters from Point Reyes to Pigeon Point 10-60 NM-
826 PM PST Fri Dec 5 2025
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 9 AM PST SUNDAY...
* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt.
* WHERE...Waters from Point Reyes to Pigeon Point 10-60 NM.
* WHEN...Until 9 AM PST Sunday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
826 PM PST Fri Dec 5 2025
PZZ575-061230-
/O.EXT.KMTR.SC.Y.0212.000000T0000Z-251207T1700Z/
Waters from Pigeon Point to Point Pinos 10-60 NM-
826 PM PST Fri Dec 5 2025
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 9 AM PST SUNDAY...
* WHAT...North winds 15 to 20 kt with gusts up to 30 kt.
* WHERE...Waters from Pigeon Point to Point Pinos 10-60 NM.
* WHEN...Until 9 AM PST Sunday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
826 PM PST Fri Dec 5 2025
PZZ576-061230-
/O.EXT.KMTR.SC.Y.0212.000000T0000Z-251207T1700Z/
Waters from Point Pinos to Point Piedras Blancas 10-60 NM-
826 PM PST Fri Dec 5 2025
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 9 AM PST SUNDAY...
* WHAT...North winds 15 to 25 kt with gusts up to 30 kt.
* WHERE...Waters from Point Pinos to Point Piedras Blancas 10-
60 NM.
* WHEN...Until 9 AM PST Sunday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
