Freeze Warning
URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
616 PM PDT Fri Oct 23 2026
CAZ108-110-111-114-116-117-240930-
/O.CON.KEKA.FZ.W.0009.261024T0800Z-261024T1600Z/
Southern Trinity-Northwestern Interior Mendocino-Northeastern
Interior Mendocino-Northern Lake-Northwestern and Central Trinity-
Northeastern Trinity-
Including Douglas City, Junction City, Hayfork, Weaverville, Potter
Valley, Willits, Gravelly Valley Airport, Big Bar, Carrville, Covelo,
Forest Glen, Trinity Center, and Peanut
616 PM PDT Fri Oct 23 2026
...FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 9 AM PDT SATURDAY...
* WHAT...Sub-freezing temperatures as low as 29 expected.
* WHERE...Trinity County, Northern Mendocino Interior, and Northern
Lake.
* WHEN...From 1 AM to 9 AM PDT Saturday.
* 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.
&&
$$
Coastal Flood Advisory
Coastal Hazard Message
National Weather Service San Francisco CA
1245 PM PDT Fri Oct 23 2026
CAZ006-506-508-529-530-241200-
/O.NEW.KMTR.CF.Y.0014.261024T1500Z-261029T2200Z/
San Francisco-North Bay Interior Valleys-
San Francisco Bay Shoreline-Northern Monterey Bay-
Southern Monterey Bay and Big Sur Coast-
1245 PM PDT Fri Oct 23 2026
...COASTAL FLOOD ADVISORY IN EFFECT FROM 8 AM SATURDAY TO 3 PM
PDT THURSDAY...
* WHAT...Up to 1.9ft of inundation above ground level is possible
in low-lying areas near shorelines and tidal waterways.
* WHERE...Bay Shoreline locations of San Francisco Bay, Monterey
Bay and Big Sur Coast.
* WHEN...From 8 AM Saturday to 3 PM PDT Thursday.
* IMPACTS...High tides will result in flooding of low-lying
infrastructure, isolated road closures, and coastal erosion.
Rising tides will bring water and waves farther up the beach
than normal, restricting escape from beaches and coastal areas.
* ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide
is expected to be 1.1 ft above normal (6.9 ft MLLW) at 10:39 AM
Saturday 10/24, 1.4 ft above normal (7.2 ft MLLW) at 11:07 AM
Sunday 10/25, 1.7 ft above normal (7.5 ft MLLW) at 11:39 AM
Monday 10/26, 1.8 ft above normal (7.6 ft MLLW) at 12:15 PM
Tuesday 10/27, 1.9 ft above normal (7.7 ft MLLW) at 12:56 PM
Wednesday 10/28, and 1.7 ft above normal (7.5 ft MLLW) at 01:43
PM Thursday 10/29. These predictions include up to 1.0 ft of
surge that will enhance the astronomical tide and flooding
threat. High tide varies up to 90 minutes earlier or later along
the Pacific Coast and through the San Francisco Bay,
respectively.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If travel is required, allow extra time as some roads may be
closed. Do not drive around barricades or through water of
unknown depth. Take the necessary actions to protect flood-prone
property.
&&
$$
Coastal Hazard Message
National Weather Service San Francisco CA
1245 PM PDT Fri Oct 23 2026
CAZ505-509-241200-
/O.NEW.KMTR.CF.Y.0014.261026T1600Z-261029T2200Z/
Coastal North Bay Including Point Reyes National Seashore-
San Francisco Peninsula Coast-
1245 PM PDT Fri Oct 23 2026
...COASTAL FLOOD ADVISORY IN EFFECT FROM 9 AM MONDAY TO 3 PM PDT
THURSDAY...
* WHAT...Up to 1.9ft of inundation above ground level is possible
in low-lying areas near shorelines and tidal waterways.
* WHERE...Pacific Coast.
* WHEN...From 9 AM Monday to 3 PM PDT Thursday.
* IMPACTS...High tides will result in flooding of low-lying
infrastructure, isolated road closures, and coastal erosion.
Rising tides will bring water and waves farther up the beach
than normal, restricting escape from beaches and coastal areas.
* ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide
is expected to be 1.7 ft above normal (7.5 ft MLLW) at 11:39 AM
Monday 10/26, 1.8 ft above normal (7.6 ft MLLW) at 12:15 PM
Tuesday 10/27, 1.9 ft above normal (7.7 ft MLLW) at 12:56 PM
Wednesday 10/28, and 1.7 ft above normal (7.5 ft MLLW) at 01:43
PM Thursday 10/29. These predictions include up to 1.0 ft of
surge that will enhance the astronomical tide and flooding
threat.High tide varies up to 90 minutes earlier or later along
the Pacific Coast and through 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.
&&
$$
Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
853 PM PDT Fri Oct 23 2026
PZZ571-241000-
/O.CON.KMTR.SC.Y.0128.000000T0000Z-261024T1000Z/
Waters from Point Reyes to Pigeon Point 10-60 NM-
853 PM PDT Fri Oct 23 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PDT
SATURDAY...
* WHAT...Northwest winds 10 to 20 kt and seas 9 to 11 ft.
* WHERE...Waters from Point Reyes to Pigeon Point 10-60 NM.
* WHEN...Until 3 AM PDT Saturday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
Lake Wind Advisory
URGENT - WEATHER MESSAGE
National Weather Service Reno NV
1149 AM PDT Fri Oct 23 2026
CAZ072-NVZ002-241500-
/O.CON.KREV.LW.Y.0029.261024T0300Z-261024T1500Z/
Greater Lake Tahoe Area-Greater Lake Tahoe Area-
Including the cities of Tahoe City, Markleeville, Stateline, Incline
Village, Glenbrook, South Lake Tahoe, and Truckee
1149 AM PDT Fri Oct 23 2026
...LAKE WIND ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 8
AM PDT SATURDAY FOR LAKE TAHOE...
* CHANGES...None
* WHAT...East winds 10 to 20 mph with gusts up to 40 mph and waves 2
to 4 feet for Lake Tahoe.
* WHERE...Greater Lake Tahoe Area.
* WHEN...From 8 PM this evening to 8 AM PDT Saturday.
* IMPACTS...Strong winds and rough waves on area lakes will create
hazardous conditions for small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Check lake conditions before heading out and be prepared for a sudden
increase in winds and wave heights. Consider postponing boating
activities on the lake until a day with less wind.
&&
$$
MRC
Wind Advisory
URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
1003 PM PDT Fri Oct 23 2026
CAZ522-241800-
/O.CON.KVEF.WI.Y.0021.261024T0600Z-261024T1800Z/
Death Valley National Park-
Including the cities of Shoshone, Stovepipe Wells, and Furnace Creek
1003 PM PDT Fri Oct 23 2026
...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 AM PDT SATURDAY...
* WHAT...North winds 20 to 30 mph with gusts up to 50 mph expected.
* WHERE...Death Valley National Park.
* WHEN...Until 11 AM PDT Saturday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.
Secure outdoor objects.
&&
$$
MW
Frost Advisory
URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
616 PM PDT Fri Oct 23 2026
CAZ109-112-240930-
/O.CON.KEKA.FR.Y.0024.261024T0800Z-261024T1600Z/
Coastal Mendocino-Southwestern Interior Mendocino-
Including Comptche, Philo, and Boonville
616 PM PDT Fri Oct 23 2026
...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 9 AM PDT SATURDAY...
* WHAT...Temperatures as low as 35 will result in frost formation.
* WHERE...Del Norte and Northern Humboldt Coast. This is expected to
be mainly away from the immediate coast and in areas that go calm.
* WHEN...From 1 AM to 9 AM PDT Saturday.
* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
* ADDITIONAL DETAILS...This is expected to include the Anderson
Valley, but it is possible fog will develop there overnight.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Take steps now to protect tender plants from the cold.
&&
$$
For hazard areas see https://www.weather.gov/wrh/hazards/?wfo=eka
JLW
