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Local Wx Station Data Sacramento, Northern Sierra Nevada & the Motherlode Area Current Weather Conditions
Marin California (CAC041) Alerts
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NOAA's National Weather Service
Alerts for Marin California  (CAC041)
Spacer Gif Last update: January 18, 2021, 2:50 AM PST    Spacer GifIcon key
Updates every 10 Minutes
icn  HIGH WIND WARNING
MARIN CALIFORNIA   (CAC041)

Effective: Mon, Jan 18, 2021 04:00pm PST Severity: Severe
Updated: Sun, Jan 17, 2021 09:45pm PST Urgency: Expected
Expires: Tue, Jan 19, 2021 07:00am PST Certainty: Likely

Areas Affected: East Bay Hills and the Diablo Range; North Bay Mountains; Santa Cruz Mountains
 
Alert:
...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST MONDAY...
...HIGH WIND WARNING REMAINS IN EFFECT FROM 4 PM MONDAY TO 7 AM
PST TUESDAY...
* WHAT...For the High Wind Warning, north to northeast winds 25
to 35 mph with gusts up to 60 mph...locally up to 80 mph highest
peaks. For the Wind Advisory, north winds 15 to 25 mph with
gusts up to 50 mph expected. Downsloping effects will produce
gusty conditions on the lee side of mountains and foothills.
* WHERE...North Bay Mountains, East Bay Hills and the Diablo
Range and Santa Cruz Mountains.
* WHEN...For the High Wind Warning, from 4 PM Monday to 7 AM PST
Tuesday. For the Wind Advisory, from 10 PM this evening to 4 PM
PST Monday. Strongest winds expected Monday night into Tuesday
morning.
* ADDITIONAL DETAILS...High winds have the potential to topple
power lines and trees along with creating hazardous driving
conditions. Plan accordingly and secure light property
outdoors including temporary outdoor structures. Have cell
phones charged and flashlights handy if power outages occur.
Instructions:
People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

 

icn  WIND ADVISORY
MARIN CALIFORNIA   (CAC041)

Effective: Sun, Jan 17, 2021 10:00pm PST Severity: Minor
Updated: Sun, Jan 17, 2021 09:45pm PST Urgency: Expected
Expires: Tue, Jan 19, 2021 06:00pm PST Certainty: Likely

Areas Affected: Coastal North Bay Including Point Reyes National Seashore; East Bay Interior Valleys; North Bay Interior Valleys; Northern Monterey Bay; San Francisco; San Francisco Bay Shoreline; San Francisco Peninsula Coast; Santa Clara Valley Including San Jose
 
Alert:
...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST TUESDAY...
* WHAT...North to northeast winds 15 to 25 mph with gusts 40 to
50 mph expected. Downsloping effects may produce locally higher
gusts in valley and coastal areas on the lee side of mountains.
* WHERE...San Francisco Bay Area.
* WHEN...From 10 PM Sunday to 6 PM PST Tuesday. Strongest winds
expected Monday night into Tuesday morning.
* ADDITIONAL DETAILS...High winds have the potential to topple
power lines and trees along with creating hazardous driving
conditions. Plan accordingly and secure light property
outdoors including temporary outdoor structures. Have cell
phones charged and flashlights handy if power outages occur.
Instructions:
Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

 

icn  HIGH SURF ADVISORY
MARIN CALIFORNIA   (CAC041)

Effective: Mon, Jan 18, 2021 02:04am PST Severity: Minor
Updated: Mon, Jan 18, 2021 02:04am PST Urgency: Expected
Expires: Mon, Jan 18, 2021 06:00pm PST Certainty: Likely

Areas Affected: Coastal North Bay Including Point Reyes National Seashore; San Francisco; San Francisco Peninsula Coast; Southern Monterey Bay and Big Sur Coast
 
Alert:
...A large, very long period northwest swell will result in
hazardous beach conditions along the coast...
A large, very long period northwest swell has arrived to the
coastal waters, creating hazardous conditions along the coast
through the day today. Large swell heights are expected with
breaking waves of 18 to 22 feet, locally higher at favored
breakpoints, along west to northwest facing beaches. As a result,
a High Surf Advisory is in effect through this afternoon for west
and northwest facing beaches while a Beach Hazard Statement is in
effect for the northern Monterey Bay including Santa Cruz. With
warm temperatures present over a holiday weekend, continuous
vigilance is advised. Never turn your back to the ocean.
...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 6 PM PST THIS EVENING...
* WHAT...Large breaking waves of 18 to 22 feet, locally higher
at favored breakpoints, can be expected along west to
northwest facing beaches.
* WHERE...San Francisco, Coastal North Bay Including Point Reyes
National Seashore, San Francisco Peninsula Coast and Southern
Monterey Bay and Big Sur Coast.
* WHEN...Until 6 PM PST this evening.
* IMPACTS...Dangerous swimming and surfing conditions and
localized beach erosion. People are strongly urged to remain
well back from the ocean as these types of events often result
in an increase in cold water rescues and the loss of life.
* ADDITIONAL DETAILS...Unseasonably warm temperatures this
holiday weekend will likely attract more people to the coast.
Individuals should be reminded that our coastline and the cold
Pacific waters remain dangerous as these larger than normal
waves impact the coast. Extreme caution is advised when
visiting area beaches.
Instructions:
Inexperienced swimmers should remain out of the water due to
dangerous surf conditions.

 

icn  WIND ADVISORY
MARIN CALIFORNIA   (CAC041)

Effective: Sun, Jan 17, 2021 10:00pm PST Severity: Minor
Updated: Sun, Jan 17, 2021 09:45pm PST Urgency: Expected
Expires: Mon, Jan 18, 2021 04:00pm PST Certainty: Likely

Areas Affected: East Bay Hills and the Diablo Range; North Bay Mountains; Santa Cruz Mountains
 
Alert:
...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST MONDAY...
...HIGH WIND WARNING REMAINS IN EFFECT FROM 4 PM MONDAY TO 7 AM
PST TUESDAY...
* WHAT...For the High Wind Warning, north to northeast winds 25
to 35 mph with gusts up to 60 mph...locally up to 80 mph highest
peaks. For the Wind Advisory, north winds 15 to 25 mph with
gusts up to 50 mph expected. Downsloping effects will produce
gusty conditions on the lee side of mountains and foothills.
* WHERE...North Bay Mountains, East Bay Hills and the Diablo
Range and Santa Cruz Mountains.
* WHEN...For the High Wind Warning, from 4 PM Monday to 7 AM PST
Tuesday. For the Wind Advisory, from 10 PM this evening to 4 PM
PST Monday. Strongest winds expected Monday night into Tuesday
morning.
* ADDITIONAL DETAILS...High winds have the potential to topple
power lines and trees along with creating hazardous driving
conditions. Plan accordingly and secure light property
outdoors including temporary outdoor structures. Have cell
phones charged and flashlights handy if power outages occur.
Instructions:
People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

 





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