Dense Fog Advisory
URGENT - WEATHER MESSAGE
National Weather Service Hanford CA
231 AM PST Wed Dec 10 2025
CAZ300-304-308-313-316>322-334>336-101900-
/O.CON.KHNX.FG.Y.0037.000000T0000Z-251210T1900Z/
West Side Mountains north of 198-Coalinga - Avenal-West Side
Mountains South of 198-Buena Vista-South End San Joaquin Valley-
Mariposa Madera Foothills-Mariposa-Madera Lower Sierra-Fresno-
Tulare Foothills-Fresno-Tulare Lower Sierra-South End Sierra
Foothills-South End of the Lower Sierra-Tehachapi-Grapevine-
Frazier Mountain Communities-
Including the cities of Fish Camp, Coalinga, Grapevine, Camp
Nelson, Blackwells Corner, Frazier Park, North Fork, Mariposa,
Tehachapi, Oakhurst, Avenal, San Luis Reservoir, Taft,
Coarsegold, Millerton Lake, Lamont, Bass Lake, El Portal,
Auberry, Lebec, Arvin, and McKittrick
231 AM PST Wed Dec 10 2025
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 11 AM PST THIS MORNING
FOR ELEVATIONS BETWEEN 1000 AND 2500 FEET...
* WHAT...Visibility one quarter mile or less in dense fog for
elevations between 1,000 and 2,500 feet.
* WHERE...For the Foothill portion of Central California.
* WHEN...Until 11 AM PST this morning.
* IMPACTS...Sudden encounter of low visibility could make driving
conditions hazardous.
* ADDITIONAL DETAILS...Mountain Highways included but not limited
to: 41, 58, 152, 168, 198 and Interstate 5.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.
&&
$$
BSO
Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
259 AM PST Wed Dec 10 2025
PZZ570-101900-
/O.CON.KMTR.SC.Y.0213.000000T0000Z-251211T1100Z/
Waters from Point Arena to Point Reyes 10-60 NM-
259 AM PST Wed Dec 10 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PST
THURSDAY...
* WHAT...North winds 15 to 20 kt with gusts up to 30 kt and seas
8 to 10 ft.
* WHERE...Waters from Point Arena to Point Reyes 10-60 NM.
* WHEN...Until 3 AM PST Thursday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
259 AM PST Wed Dec 10 2025
PZZ571-101900-
/O.CON.KMTR.SC.Y.0213.000000T0000Z-251211T1100Z/
Waters from Point Reyes to Pigeon Point 10-60 NM-
259 AM PST Wed Dec 10 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PST
THURSDAY...
* WHAT...North winds 10 to 20 kt with gusts up to 30 kt and seas
8 to 10 ft.
* WHERE...Waters from Point Reyes to Pigeon Point 10-60 NM.
* WHEN...Until 3 AM PST Thursday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
259 AM PST Wed Dec 10 2025
PZZ575-101900-
/O.CON.KMTR.SC.Y.0213.000000T0000Z-251210T2300Z/
Waters from Pigeon Point to Point Pinos 10-60 NM-
259 AM PST Wed Dec 10 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST THIS
AFTERNOON...
* WHAT...North winds 10 to 20 kt with gusts up to 30 kt.
* WHERE...Waters from Pigeon Point to Point Pinos 10-60 NM.
* WHEN...Until 3 PM PST Wednesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
227 AM PST Wed Dec 10 2025
PZZ455-101830-
/O.CON.KEKA.SC.Y.0132.251210T2300Z-251211T1800Z/
Cape Mendocino to Pt Arena out 10 nm-
227 AM PST Wed Dec 10 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 PM THIS
AFTERNOON TO 10 AM PST THURSDAY...
* WHAT...North winds 10 to 20 kt with gusts up to 30 kt and seas
8 to 10 feet expected.
* WHERE...Cape Mendocino to Pt Arena out 10 nm.
* WHEN...From 3 PM this afternoon to 10 AM PST Thursday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
227 AM PST Wed Dec 10 2025
PZZ475-101830-
/O.CON.KEKA.SC.Y.0132.251210T2300Z-251212T1000Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
227 AM PST Wed Dec 10 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 PM THIS
AFTERNOON TO 2 AM PST FRIDAY...
* WHAT...North winds 10 to 20 kt with gusts up to 30 kt and seas
8 to 11 feet expected.
* WHERE...Cape Mendocino to Pt Arena 10 to 60 nm.
* WHEN...From 3 PM this afternoon to 2 AM PST Friday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
Beach Hazards Statement
Coastal Hazard Message
National Weather Service San Francisco CA
427 AM PST Wed Dec 10 2025
CAZ006-505-509-529-530-102300-
/O.CON.KMTR.BH.S.0022.251210T1500Z-251213T0600Z/
San Francisco-
Coastal North Bay Including Point Reyes National Seashore-
San Francisco Peninsula Coast-Northern Monterey Bay-
Southern Monterey Bay and Big Sur Coast-
427 AM PST Wed Dec 10 2025
...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH FRIDAY
EVENING...
* WHAT...Long period westerly swell will result in strong rip
currents, sneaker waves, and breaking waves of 12 to 16 feet.
* WHERE...Pacific Ocean coast.
* WHEN...From 7 AM PST Wednesday through Friday evening.
* IMPACTS...Sneaker waves can unexpectedly run significantly
farther up the beach than normal, including over rocks and
jetties. Rip currents are typically stronger in the vicinity of
jetties, inlets, and piers.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Dangerous conditions are forecast along the shoreline. Hazards
include sneaker waves, strong rip currents, and large breaking
waves. Stay off the rocks and NEVER turn your back on the ocean!
&&
$$
Coastal Hazard Message
National Weather Service Eureka CA
1121 AM PST Tue Dec 9 2025
CAZ101-103-104-109-102300-
/O.NEW.KEKA.BH.S.0023.251211T1800Z-251212T0300Z/
Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt-
Mendocino Coast-
1121 AM PST Tue Dec 9 2025
...BEACH HAZARDS STATEMENT IN EFFECT FROM THURSDAY MORNING
THROUGH THURSDAY EVENING...
* WHAT...Increased threat of sneaker waves expected.
* WHERE...Coastal Del Norte, Northern Humboldt Coast,
Southwestern Humboldt and Mendocino Coast Counties.
* WHEN...From Thursday morning through Thursday evening. .
* IMPACTS...Large, unexpected waves can sweep across the beach
without warning, sweeping people into the sea from rocks,
jetties, and beaches. These sneaker waves can also move large
objects such as logs, crushing anyone caught underneath.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Don`t be fooled by an ocean that looks calm. There can be
30 minutes of small waves before a sneaker wave strikes. Avoid
rocks and jetties. Avoid steep beaches. Stay much farther back
from the water and never turn your back on the ocean.
&&
$$
