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San Mateo, CA Warnings, Watches and Advisories

High Surf Advisory

High Surf Advisory issued September 25 at 5:31AM PDT until September 26 at 9:00AM PDT by NWS

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 9 AM PDT SATURDAY... * WHAT...Large breaking waves of 8 to 12 feet with dangerous rip currents. * WHERE...San Luis Obispo County Central Coast and Santa Barbara County Central Coast. * WHEN...Until 9 AM PDT Saturday.

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Area
San Luis Obispo County Central Coast; Santa Barbara County Central Coast

Beach Hazards Statement

Beach Hazards Statement issued September 25 at 4:52AM PDT until September 25 at 8:00PM PDT by NWS

...Large breaking waves and increased risk of dangerous rip currents for west to northwest facing beaches from Coastal Sonoma County to Coastal Monterey County... At 4 AM PDT Pt Piedras Blancas Buoy 28 reported a swell of 16 feet at 14 to 16 second periods. Other buoys along the central California coast were reporting 11 to 13 foot swell. Large

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Area
Coastal North Bay Including Point Reyes National Seashore; San Francisco; San Francisco Peninsula Coast

High Surf Advisory

High Surf Advisory issued September 25 at 4:52AM PDT until September 25 at 8:00PM PDT by NWS

...Large breaking waves and increased risk of dangerous rip currents for west to northwest facing beaches from Coastal Sonoma County to Coastal Monterey County... At 4 AM PDT Pt Piedras Blancas Buoy 28 reported a swell of 16 feet at 14 to 16 second periods. Other buoys along the central California coast were reporting 11 to 13 foot swell. Large

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Area
Southern Monterey Bay and Big Sur Coast

Fire Weather Watch

Fire Weather Watch issued September 25 at 4:49AM PDT until September 28 at 8:00AM PDT by NWS

...Critical Fire Weather Conditions Possible Saturday Night through Monday Morning... .Dry northerly winds will spread through the northern Sacramento Valley this weekend as high pressure builds from Oregon. These winds will turn to the northeast and clip portions of Lake County Saturday night through Monday morning. It appears that easterly

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Area
Lake County Portion of Lake-Napa-Sonoma Unit

Fire Weather Watch

Fire Weather Watch issued September 25 at 4:49AM PDT until September 28 at 8:00AM PDT by NWS

...Critical Fire Weather Conditions Possible Saturday Night through Monday Morning... .Dry northerly winds will spread through the northern Sacramento Valley this weekend as high pressure builds from Oregon. These winds will turn to the northeast and clip portions of Lake County Saturday night through Monday morning. It appears that easterly

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Area
Trinity; Van Duzen, Mad River; W Mendocino NF, E Mendocino Unit

Beach Hazards Statement

Beach Hazards Statement issued September 25 at 4:45AM PDT until September 25 at 12:00PM PDT by NWS

...BEACH HAZARDS STATEMENT NOW IN EFFECT UNTIL NOON PDT TODAY... * WHAT...Large swell tonight with surf heights up to 15 feet. * WHERE...Del Norte, Humboldt, and Mendocino County coastal areas. * WHEN...Until noon PDT today.. . * IMPACTS...Hazardous surf conditions, particularly along west

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Area
Coastal Del Norte; Mendocino Coast; Northern Humboldt Coast; Southwestern Humboldt

Red Flag Warning

Red Flag Warning issued September 25 at 3:27AM PDT until September 28 at 8:00AM PDT by NWS

...RED FLAG WARNING IN EFFECT FROM 9 PM SATURDAY TO 8 AM PDT MONDAY FOR OFFSHORE WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONE 507... The National Weather Service in San Francisco has issued a Red Flag Warning...which is in effect from 9 PM Saturday to 8 AM PDT Monday. The Fire Weather Watch is no longer in effect.

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Area
North Bay Mountains

Red Flag Warning

Red Flag Warning issued September 25 at 3:27AM PDT until September 28 at 8:00AM PDT by NWS

...RED FLAG WARNING IN EFFECT FROM 9 PM SATURDAY TO 8 AM PDT MONDAY FOR OFFSHORE WIND AND LOW HUMIDITY FOR FIRE WEATHER ZONE 510... The National Weather Service in San Francisco has issued a Red Flag Warning...which is in effect from 9 PM Saturday to 8 AM PDT Monday. The Fire Weather Watch is no longer in effect.

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Area
East Bay Interior Valleys

Red Flag Warning

Red Flag Warning issued September 25 at 3:27AM PDT until September 28 at 8:00AM PDT by NWS

...RED FLAG WARNING IN EFFECT FROM 9 PM SATURDAY TO 8 AM PDT MONDAY FOR OFFSHORE WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONE 511... The National Weather Service in San Francisco has issued a Red Flag Warning...which is in effect from 9 PM Saturday to 8 AM PDT Monday. The Fire Weather Watch is no longer in effect.

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Area
East Bay Hills and the Diablo Range

Fire Weather Watch

Fire Weather Watch issued September 25 at 1:57AM PDT until September 28 at 8:00AM PDT by NWS

...Critical Fire Weather Conditions Possible Saturday Morning through Monday Morning... .Gusty northerly and easterly winds are possible this weekend into Monday morning. Poor humidity recovery is expected during this time frame as well, with daytime humidities in the teens or lower. Combination of wind, low humidity, and hot conditions

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Area
Central Sacramento Valley including Glenn, Colusa, Yuba, Northern Sutter, Butte County Below 1000 Ft; Eastern Delta; Eastern Mendocino NF; Eastern Portion of Shasta, Trinity NF; Northern Motherlode From 1000 to 3000 Ft. From Yuba To Amador Counties; Northern Sacramento Valley to Southern Tehama County Line Below 1000 Ft; Northern San Joaquin Valley in San Joaquin and Stanislaus Counties Below 1000 ft - Excludes the Delta; Northern Sierra Foothills from 1000 to 3000 Ft. Includes Nevada-Yuba-Placer RU and Anador-Eldorado RU; Northern Sierra Including Lassen NP and Plumas and Lassen NF, S West of the Sierra Crest - West of Evans Peak, Grizzly Peak, Beckworth Peak; Southeast Edge Shasta, Trinity NF and Western Portions of Tehama, Glenn RU; Southern Motherlode From 1000 to 3000 Ft, Calaveras and Toulumne Counties; Southern Sacramento Valley In Yolo, Sacramento, Far Western Placer, Southern Sutter and Solano County Below 1000 Ft - Excludes the Delta; Stanislaus National Forest; Tahoe - Eldorado National Forest

Air Quality Alert

Air Quality Alert issued September 24 at 11:16AM PDT by NWS

The San Joaquin Valley Air Pollution Control District is extending the Air Quality Alert issued on September 21, 2020, due to smoke impacts from the Creek Fire, SQF Complex, and other wildfires throughout California for San Joaquin, Stanislaus, Merced, Madera, Fresno, Kings, Tulare, and Valley portion of Kern County. The Air Quality Alerts issued by the Mariposa County and Tuolumne

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Area
Fresno; Kern; Kings; Madera; Mariposa; Merced; San Joaquin; Stanislaus; Tulare; Tuolumne

Air Quality Alert

Air Quality Alert issued September 24 at 10:17AM PDT by NWS

...AIR QUALITY ALERT IN EFFECT UNTIL 8 AM PDT FRIDAY... The Ventura County Air Pollution Control District has issued an air quality alert due to increased particulate matter from wildfire smoke throughout Ventura County. The air quality alert is in effect until 8am PDT Friday. Localized air quality could fluctuate depending on wind conditions.

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Area
Ventura County Coast; Ventura County Coastal Valleys; Ventura County Interior Valleys; Ventura County Mountains
Disclaimer

Currently

Mostly Cloudy 61°F
30.00in
Barometer
81%
Humidity
West 16.1mph
Wind
Mostly Cloudy

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