Winter Weather Advisory
URGENT - WINTER WEATHER MESSAGE
National Weather Service Hanford CA
413 PM PST Thu Nov 20 2025
CAZ323-326>328-330-331-336-211000-
/O.CON.KHNX.WW.Y.0010.000000T0000Z-251121T1800Z/
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-Frazier Mountain Communities-
Including the cities of Shaver Lake, Florence Lake, Huntington
Lake, Lodgepole, Giant Forest, Devils Postpile, Johnsondale, Lake
Wishon, Wawona, Lake Thomas Edison, Cedar Grove, Tuolumne
Meadows, and Frazier Park
413 PM PST Thu Nov 20 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
FRIDAY...
* WHAT...Snow expected. For the central and southern Sierra Nevada:
Total snow accumulations 5 to 8 inches. Winds gusting to 35 mph.
For Pine Mountain Club and Mount Pinos: Total snow accumulations 2
to 5 inches. Winds gusting to 25 mph.
* WHERE...Sierra Nevada from Yosemite NP to the Lake Isabella area,
as well as the Frazier Park area at elevations mainly above 6,000
feet.
* WHEN...Until 10 AM PST Friday.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous. Travel could be very difficult.
The hazardous conditions could impact the Thursday evening and
Friday morning commutes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
Be prepared for slippery roads. Slow down and use caution while
driving. If you are going outside, watch your first few steps taken
on stairs, sidewalks, and driveways. These surfaces could be icy and
slippery, increasing your risk of a fall and injury.
&&
$$
BSO
URGENT - WINTER WEATHER MESSAGE
National Weather Service Reno NV
816 AM PST Thu Nov 20 2025
CAZ073-211600-
/O.EXT.KREV.WW.Y.0018.000000T0000Z-251121T1600Z/
Mono County-
Including the cities of Lee Vining, Coleville, Mammoth Lakes, and
Bridgeport
816 AM PST Thu Nov 20 2025
...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 8 AM PST FRIDAY ABOVE
6000 FEET...
* WHAT...Snow. Snow accumulations of 2 to 5 inches between 6000 and
7000 feet. Above 7000 feet, snow accumulations of 6 to 12 inches
with 12 to 18 inches possible along the highest peaks. Winds
gusting as high as 80 mph along the Sierra crest.
* WHERE...Mono County.
* WHEN...Until 8 AM PST Friday.
* IMPACTS...Travel could be very difficult. The hazardous conditions
could impact the Thursday morning and evening commutes. Gusty
winds could bring down tree branches.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Reno NV
816 AM PST Thu Nov 20 2025
NVZ001-211600-
/O.EXT.KREV.WW.Y.0018.000000T0000Z-251121T1600Z/
Mineral and Southern Lyon Counties-
Including the cities of Yerington, Smith Valley, Schurz,
Hawthorne, and Mina
816 AM PST Thu Nov 20 2025
...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 8 AM PST FRIDAY ABOVE
5000 FEET...
* WHAT...Snow. Snow accumulations of a trace to 3 inches between
5000 and 7000 feet. Above 7000 feet, snow accumulations of 4 to 8
inches with up to a foot along the highest peaks. Winds gusting as
high as 60 mph along the highest peaks.
* WHERE...Mineral and Southern Lyon Counties.
* WHEN...Until 8 AM PST Friday.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the Thursday morning and evening commutes.
The greatest impacts from this storm will be on passes such as
Anchorite on Nevada Highway 359 and Montgomery on US Highway 6.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
&&
$$
CJ
High Surf Advisory
Coastal Hazard Message
National Weather Service Los Angeles/Oxnard CA
532 PM PST Thu Nov 20 2025
CAZ340-346-211600-
/O.CON.KLOX.SU.Y.0027.000000T0000Z-251124T1100Z/
San Luis Obispo County Beaches-
Santa Barbara County Central Coast Beaches-
532 PM PST Thu Nov 20 2025
...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 3 AM PST MONDAY...
* WHAT...Large breaking waves of 12 to 16 feet with dangerous
rip currents.
* WHERE...San Luis Obispo County Beaches and Santa Barbara
County Central Coast Beaches.
* WHEN...Until 3 AM PST Monday.
* IMPACTS...There is an increased risk of ocean drowning. Rip
currents can pull swimmers and surfers out to sea. Large
breaking waves can cause injury, wash people off beaches and
rocks, and capsize small boats near shore. Minor beach erosion
and minor flooding of usually dry areas may occur.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Remain out of the water due to dangerous surf conditions, or stay
near occupied lifeguard towers. Rock jetties can be deadly in
such conditions, stay off the rocks.
&&
$$
Dense Fog Advisory
URGENT - WEATHER MESSAGE
National Weather Service Sacramento CA
1136 PM PST Thu Nov 20 2025
CAZ016-017-019-211800-
/O.NEW.KSTO.FG.Y.0005.251121T0736Z-251121T1800Z/
Central Sacramento Valley-Southern Sacramento Valley-Northern San
Joaquin Valley-
Including the cities of Marysville/Yuba City, Sacramento,
Stockton, Oroville, Modesto, and Chico
1136 PM PST Thu Nov 20 2025
...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM PST FRIDAY...
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Central Sacramento Valley, Northern San Joaquin Valley,
and Southern Sacramento Valley.
* WHEN...Until 10 AM PST Friday.
* IMPACTS...Low visibility could make driving conditions hazardous.
* ADDITIONAL DETAILS...For the Central Sacramento Valley, dense fog
will likely develop along and east of Highway 99.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.
&&
$$
For more information, visit us at www.weather.gov/sto/
IDS
URGENT - WEATHER MESSAGE
National Weather Service Hanford CA
1105 PM PST Thu Nov 20 2025
CAZ302-303-306-307-311-312-211515-
/O.NEW.KHNX.FG.Y.0026.251121T0900Z-251121T1800Z/
Merced - Madera - Mendota-Planada - Le Grand - Snelling-Caruthers
- San Joaquin - Selma-Fresno-Clovis-Hanford - Corcoran - Lemoore-
Visalia - Porterville - Reedley-
Including the cities of Parlier, Planada, Goshen, Tulare, Lake
Mcclure, Sanger, Kerman, Fresno, Le Grand, Corcoran, Porterville,
Merced, Selma, Kingsburg, Atwater, Visalia, Madera, Hanford, and
Lemoore
1105 PM PST Thu Nov 20 2025
...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM PST FRIDAY...
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Caruthers - San Joaquin - Selma, Fresno-Clovis, Hanford -
Corcoran - Lemoore, Merced - Madera - Mendota, Planada - Le Grand
- Snelling, and Visalia - Porterville - Reedley.
* WHEN...Until 10 AM PST Friday.
* IMPACTS...Low visibility could make driving conditions hazardous.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.
&&
$$
Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
846 PM PST Thu Nov 20 2025
PZZ540-211300-
/O.CON.KMTR.SC.Y.0204.000000T0000Z-251122T0500Z/
Coastal Waters from Point Arena to Point Reyes California out to
10 NM-
846 PM PST Thu Nov 20 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PST FRIDAY...
* WHAT...Northwest winds 5 to 15 kt and seas 8 to 13 ft.
* WHERE...Coastal Waters from Point Arena to Point Reyes
California out to 10 NM.
* WHEN...Until 9 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
846 PM PST Thu Nov 20 2025
PZZ560-211300-
/O.CON.KMTR.SC.Y.0204.000000T0000Z-251121T1700Z/
Coastal Waters from Pigeon Point to Point Pinos California out to
10 NM-
846 PM PST Thu Nov 20 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST FRIDAY...
* WHAT...North winds 10 to 20 kt and seas 8 to 10 ft.
* WHERE...Coastal Waters from Pigeon Point to Point Pinos
California out to 10 NM.
* WHEN...Until 9 AM PST Friday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
846 PM PST Thu Nov 20 2025
PZZ565-211300-
/O.CON.KMTR.SC.Y.0203.000000T0000Z-251122T0500Z/
Coastal Waters from Point Pinos to Point Piedras Blancas
California out to 10 NM-
846 PM PST Thu Nov 20 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PST FRIDAY...
* WHAT...North winds 10 to 20 kt and seas 8 to 10 ft.
* WHERE...Coastal Waters from Point Pinos to Point Piedras
Blancas California out to 10 NM.
* WHEN...Until 9 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.
&&
$$
For more information from the National Weather Service visit
http://weather.gov/sanfrancisco
URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
846 PM PST Thu Nov 20 2025
PZZ570-211300-
/O.CON.KMTR.SC.Y.0203.000000T0000Z-251122T1700Z/
Waters from Point Arena to Point Reyes 10-60 NM-
846 PM PST Thu Nov 20 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST
SATURDAY...
* WHAT...North winds 15 to 25 kt with gusts up to 30 kt and seas
10 to 14 ft.
* WHERE...Waters from Point Arena to Point Reyes 10-60 NM.
* WHEN...Until 9 AM PST Saturday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
846 PM PST Thu Nov 20 2025
PZZ571-211300-
/O.CON.KMTR.SC.Y.0203.000000T0000Z-251122T1700Z/
Waters from Point Reyes to Pigeon Point 10-60 NM-
846 PM PST Thu Nov 20 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST
SATURDAY...
* WHAT...North winds 10 to 20 kt with gusts up to 30 kt and seas
9 to 14 ft.
* WHERE...Waters from Point Reyes to Pigeon Point 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
846 PM PST Thu Nov 20 2025
PZZ575-211300-
/O.CON.KMTR.SC.Y.0203.000000T0000Z-251122T1700Z/
Waters from Pigeon Point to Point Pinos 10-60 NM-
846 PM PST Thu Nov 20 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST
SATURDAY...
* WHAT...North winds 10 to 20 kt with gusts up to 30 kt and seas
9 to 13 ft.
* WHERE...Waters from Pigeon Point to Point Pinos 10-60 NM.
* WHEN...Until 9 AM PST Saturday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
846 PM PST Thu Nov 20 2025
PZZ576-211300-
/O.CON.KMTR.SC.Y.0203.000000T0000Z-251122T1700Z/
Waters from Point Pinos to Point Piedras Blancas 10-60 NM-
846 PM PST Thu Nov 20 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST
SATURDAY...
* WHAT...North winds 10 to 20 kt and seas 9 to 13 ft.
* WHERE...Waters from Point Pinos to Point Piedras Blancas 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
812 PM PST Thu Nov 20 2025
PZZ645-211100-
/O.CON.KLOX.SC.Y.0180.000000T0000Z-251121T1100Z/
Point Piedras Blancas to Point Sal westward out to 10 NM-
812 PM PST Thu Nov 20 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PST FRIDAY...
* WHAT...Hazardous sea conditions.
* WHERE...Point Piedras Blancas to Point Sal westward out to 10
NM.
* WHEN...Until 3 AM PST Friday.
* IMPACTS...Conditions will be hazardous to small craft.
* ADDITIONAL DETAILS...See the Coastal Waters Forecast (CWFLOX)
for more.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
812 PM PST Thu Nov 20 2025
PZZ670-211215-
/O.CON.KLOX.SC.Y.0180.000000T0000Z-251122T1100Z/
Point Piedras Blancas to Point Sal from 10 to 60 NM-
812 PM PST Thu Nov 20 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PST
SATURDAY...
* WHAT...Hazardous sea conditions.
* WHERE...Point Piedras Blancas to Point Sal from 10 to 60 NM.
* WHEN...Until 3 AM PST Saturday.
* 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.
&&
$$
Hazardous Seas Warning
URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
936 PM PST Thu Nov 20 2025
PZZ455-211345-
/O.CON.KEKA.SE.W.0037.000000T0000Z-251121T1700Z/
Cape Mendocino to Pt Arena out 10 nm-
936 PM PST Thu Nov 20 2025
...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 9 AM PST
FRIDAY...
* WHAT...Very steep and hazardous seas 13 to 17 feet.
* WHERE...Cape Mendocino to Pt Arena out 10 nm.
* WHEN...Until 9 AM PST Friday.
* IMPACTS...Very steep and hazardous seas could capsize or cause
damage to vessels.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Recreational boaters should remain in port. Commercial vessels
should prepare for rough seas and consider remaining in port
until hazardous seas subside.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
936 PM PST Thu Nov 20 2025
PZZ475-211345-
/O.CON.KEKA.SE.W.0037.000000T0000Z-251121T1700Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
936 PM PST Thu Nov 20 2025
...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 9 AM PST
FRIDAY...
* WHAT...Very steep and hazardous seas 14 to 18 feet.
* WHERE...Cape Mendocino to Pt Arena 10 to 60 nm.
* WHEN...Until 9 AM PST Friday.
* IMPACTS...Very steep and hazardous seas could capsize or cause
damage to vessels.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Recreational boaters should remain in port. Commercial vessels
should prepare for rough seas and consider remaining in port
until hazardous seas subside.
&&
$$
Frost Advisory
URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
1135 PM PST Thu Nov 20 2025
CAZ107-108-111-211545-
/O.CON.KEKA.FR.Y.0028.000000T0000Z-251121T1800Z/
Northern Trinity-Southern Trinity-Northeastern Mendocino Interior-
Including Douglas City, Covelo, Peanut, Hayfork, Forest Glen, and
Weaverville
1135 PM PST Thu Nov 20 2025
...FROST ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST FRIDAY...
* WHAT...Temperatures as low as 34 will result in frost formation.
* WHERE...Trinity County, and Northeastern Mendocino Interior.
* WHEN...Until 10 AM PST Friday.
* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
* ADDITIONAL DETAILS...Fog will likely make frost formation localized
and inconsistent.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Take steps now to protect tender plants from the cold.
&&
$$
For hazard areas see https://www.wrh.noaa.gov/map/?wfo=eka
DS
Beach Hazards Statement
Coastal Hazard Message
National Weather Service San Francisco CA
233 PM PST Thu Nov 20 2025
CAZ006-505-509-529-530-211800-
/O.CON.KMTR.BH.S.0020.251121T0000Z-251125T0600Z/
San Francisco-
Coastal North Bay Including Point Reyes National Seashore-
San Francisco Peninsula Coast-Northern Monterey Bay-
Southern Monterey Bay and Big Sur Coast-
233 PM PST Thu Nov 20 2025
...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH MONDAY
EVENING...
* WHAT...A long period northwesterly swell will result in an
increased risk for sneaker waves and rip currents. Breaking
waves of 13 to 18 feet are expected.
* WHERE...Pacific Coast beaches.
* WHEN...Through Monday evening.
* IMPACTS...Sneaker waves can unexpectedly run significantly
farther up the beach than normal, including over rocks and
jetties. Rip currents are typically more frequent and stronger
in the vicinity of jetties, inlets, and piers.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Remain out of the water to avoid hazardous swimming conditions.
Stay off rocks and never turn your back on the ocean!
&&
$$
Marine Weather Statement
Marine Weather Statement
National Weather Service Los Angeles/Oxnard CA
1242 AM PST Thu Nov 20 2025
PZZ645-650-655-670-673-676-220700-
Point Piedras Blancas to Point Sal westward out to 10 NM-
East Santa Barbara Channel from Pt. Conception to Pt. Mugu CA
including Santa Cruz Island-
Inner waters from Point Mugu to San Mateo Pt. CA including Santa
Catalina and Anacapa Islands-
Point Piedras Blancas to Point Sal from 10 to 60 NM-
Waters from Pt. Sal to Santa Cruz Island CA and westward 60 nm
including San Miguel and Santa Rosa Islands-
Outer waters from Santa Cruz Island to San Clemente Island to
60 NM offshore including San Nicolas and Santa Barbara Islands-
1242 AM PST Thu Nov 20 2025
...SLIGHT CHANCE OF THUNDERSTORMS FROM THURSDAY AFTERNOON THROUGH
LATE FRIDAY....
Any thunderstorms that form will be capable of producing local
gale force winds and rough seas, dangerous lightning, heavy
rainfall with reduced visibility, and waterspouts.
$$
