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Weather Alerts for Santa Cruz Mtns

Issued by the National Weather Service

High Surf Warning  HIGH SURF WARNING   High Surf Warning
SANTA CRUZ MTNS

Areas Affected:
Coastal North Bay Including Point Reyes National Seashore - Northern Monterey Bay - San Francisco - San Francisco Peninsula Coast - Southern Monterey Bay and Big Sur Coast
Effective: Thu, 1/17 5:00am Updated: Wed, 1/16 1:40pm Urgency: Expected
Expires: Fri, 1/18 5:00pm Severity:  Moderate  Certainty: Likely

 
Details:
...COASTAL FLOOD ADVISORY IN EFFECT FROM 5 AM TO 9 AM PST
THURSDAY...
...HIGH SURF WARNING REMAINS IN EFFECT FROM 5 AM THURSDAY TO 5 PM
PST FRIDAY...
The National Weather Service in San Francisco has issued a
Coastal Flood Advisory, which is in effect from 5 AM to 9 AM PST
Thursday.
* COASTAL FLOODING...Low-lying areas along the immediate coast,
bay front, marshes and sloughs may experience minor flooding.
These locations may include parking lots, coastal trails,
sidewalks and even roadways that are not ordinarily affected by
the tides.
* WAVES AND SURF...A large and long period west swell of 16 to 24
feet will arrive along the coastline beginning early Thursday
morning. Expect breakers of 25 to 30 feet through the day
Thursday, with favored locations occasionally exceeding 40
feet.
* TIMING...WAVES AND SURF: Energetic waves will build early
Thursday morning, peaking during the day Thursday before
gradually subsiding on Friday. COASTAL FLOOD: Most sites will
peak between 7 and 8 am Thursday morning. The exact height and
timing of these tides will vary by location on Monday. Please
visit https://tidesandcurrents.noaa.gov/ports for location
specific tidal prediction.
* IMPACTS...WAVES AND SURF: Large breaking waves along the coast
will lead to increased wave run-up on beaches with waves topping
and washing over large rocks and jetties. They can easily move
large logs and other beach debris and cause localized beach
erosion. Localized coastal flooding is possible. Use extreme
caution near the surf zone as these large waves will be capable
of sweeping people into the frigid and turbulent ocean water.
Cold water shock may cause cardiac arrest, and it also can cause
an involuntary gasp reflex causing drowning, even for a good
swimmer. The surf zone will be very dangerous due to strong
currents and powerful breaking waves. COASTAL FLOOD: Sea water
on roadways, parking lots, trails and sidewalks. Beachgoers may
lose entry and exit paths to coves and narrow beaches during
high tides.

Information:
A High Surf Warning indicates that dangerous, battering waves are
expected to pound the shoreline, bringing potentially damaging
and life-threatening conditions. It is advised that people remain
away from the shoreline during this event, especially staying off
rocks, jetties and beaches.
A Coastal Flood Advisory indicates that onshore winds and tides
will combine to generate flooding of low areas along the shore.

High Wind Warning  HIGH WIND WARNING   High Wind Warning
SANTA CRUZ MTNS

Areas Affected:
Coastal North Bay Including Point Reyes National Seashore - East Bay Hills and the Diablo Range - Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park - North Bay Mountains - Northern Monterey Bay - San Francisco - San Francisco Peninsula Coast - Santa Cruz Mountains - Santa Lucia Mountains and Los Padres National Forest - Southern Monterey Bay and Big Sur Coast
Effective: Wed, 1/16 1:00pm Updated: Wed, 1/16 1:40pm Urgency: Expected
Expires: Thu, 1/17 3:00am Severity:  Severe  Certainty: Likely

 
Details:
...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 3 AM PST THURSDAY...
* WINDS...South 30 to 40 mph with gusts up to 55 mph turning Southwest
overnight.
* TIMING...Strong winds will continue this afternoon through late tonight
as a strong cold front moves through the Bay Area.
* IMPACTS...Strong winds may blow down limbs, trees, and power
lines. Scattered power outages are expected.

Information:
A High Wind Warning means a hazardous high wind event is expected
or occurring. Sustained wind speeds of at least 40 mph or gusts
of 58 mph or more can lead to property damage.

Coastal Flood Advisory  COASTAL FLOOD ADVISORY   Coastal Flood Advisory
SANTA CRUZ MTNS

Areas Affected:
Coastal North Bay Including Point Reyes National Seashore - Northern Monterey Bay - San Francisco - San Francisco Peninsula Coast - Southern Monterey Bay and Big Sur Coast
Effective: Thu, 1/17 5:00am Updated: Wed, 1/16 1:40pm Urgency: Expected
Expires: Thu, 1/17 9:00am Severity: Minor Certainty: Likely

 
Details:
...COASTAL FLOOD ADVISORY IN EFFECT FROM 5 AM TO 9 AM PST
THURSDAY...
...HIGH SURF WARNING REMAINS IN EFFECT FROM 5 AM THURSDAY TO 5 PM
PST FRIDAY...
The National Weather Service in San Francisco has issued a
Coastal Flood Advisory, which is in effect from 5 AM to 9 AM PST
Thursday.
* COASTAL FLOODING...Low-lying areas along the immediate coast,
bay front, marshes and sloughs may experience minor flooding.
These locations may include parking lots, coastal trails,
sidewalks and even roadways that are not ordinarily affected by
the tides.
* WAVES AND SURF...A large and long period west swell of 16 to 24
feet will arrive along the coastline beginning early Thursday
morning. Expect breakers of 25 to 30 feet through the day
Thursday, with favored locations occasionally exceeding 40
feet.
* TIMING...WAVES AND SURF: Energetic waves will build early
Thursday morning, peaking during the day Thursday before
gradually subsiding on Friday. COASTAL FLOOD: Most sites will
peak between 7 and 8 am Thursday morning. The exact height and
timing of these tides will vary by location on Monday. Please
visit https://tidesandcurrents.noaa.gov/ports for location
specific tidal prediction.
* IMPACTS...WAVES AND SURF: Large breaking waves along the coast
will lead to increased wave run-up on beaches with waves topping
and washing over large rocks and jetties. They can easily move
large logs and other beach debris and cause localized beach
erosion. Localized coastal flooding is possible. Use extreme
caution near the surf zone as these large waves will be capable
of sweeping people into the frigid and turbulent ocean water.
Cold water shock may cause cardiac arrest, and it also can cause
an involuntary gasp reflex causing drowning, even for a good
swimmer. The surf zone will be very dangerous due to strong
currents and powerful breaking waves. COASTAL FLOOD: Sea water
on roadways, parking lots, trails and sidewalks. Beachgoers may
lose entry and exit paths to coves and narrow beaches during
high tides.

Information:
A High Surf Warning indicates that dangerous, battering waves are
expected to pound the shoreline, bringing potentially damaging
and life-threatening conditions. It is advised that people remain
away from the shoreline during this event, especially staying off
rocks, jetties and beaches.
A Coastal Flood Advisory indicates that onshore winds and tides
will combine to generate flooding of low areas along the shore.

Coastal Flood Advisory  COASTAL FLOOD ADVISORY   Coastal Flood Advisory
SANTA CRUZ MTNS

Areas Affected:
East Bay Interior Valleys - North Bay Interior Valleys - San Francisco Bay Shoreline
Effective: Thu, 1/17 5:00am Updated: Wed, 1/16 1:40pm Urgency: Expected
Expires: Thu, 1/17 9:00am Severity: Minor Certainty: Likely

 
Details:
...COASTAL FLOOD ADVISORY IN EFFECT FROM 5 AM TO 9 AM PST
THURSDAY...
The National Weather Service in San Francisco has issued a
Coastal Flood Advisory, which is in effect from 5 AM to 9 AM PST
Thursday.
* COASTAL FLOODING...Low-lying areas along the immediate coast,
bay front, marshes and sloughs may experience minor flooding.
These locations may include parking lots, coastal trails,
sidewalks and even roadways that are not ordinarily affected by
the tides.
* TIMING...Most sites will peak between 7 and 8 am Thursday
morning. The exact height and timing of these tides will vary
by location on Monday. Please visit
https://tidesandcurrents.noaa.gov/ports for location specific
tidal prediction.
* IMPACTS...Sea water on roadways, parking lots, trails and
sidewalks. Beachgoers may lose entry and exit paths to coves
and narrow beaches during high tides.

Information:
A Coastal Flood Advisory indicates that onshore winds and tides
will combine to generate flooding of low areas along the shore.

Wind Advisory  WIND ADVISORY   Wind Advisory
SANTA CRUZ MTNS

Areas Affected:
East Bay Interior Valleys - North Bay Interior Valleys - Northern Salinas Valley, Hollister Valley and Carmel Valley - San Francisco Bay Shoreline - Santa Clara Valley Including San Jose - Southern Salinas Valley, Arroyo Seco and Lake San Antonio
Effective: Wed, 1/16 1:00pm Updated: Wed, 1/16 1:40pm Urgency: Expected
Expires: Thu, 1/17 3:00am Severity: Minor Certainty: Likely

 
Details:
...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 AM PST THURSDAY...
* WINDS...South 25 to 35 mph with gusts up to 45 mph turning Southwest
overnight.
* TIMING...This afternoon through late tonight as a strong cold
front moves through the Bay Area.
* IMPACTS...Strong winds may blow down limbs, trees, and power
lines. Scattered power outages are expected.

Information:
A Wind Advisory means that winds of 35 mph are expected. Winds
this strong can make driving difficult...especially for high
profile vehicles. Use extra caution.

Flash Flood Watch  FLASH FLOOD WATCH   Flash Flood Watch
SANTA CRUZ MTNS

Areas Affected:
Coastal North Bay Including Point Reyes National Seashore - East Bay Hills and the Diablo Range - East Bay Interior Valleys - North Bay Interior Valleys - North Bay Mountains - Northern Monterey Bay - Northern Salinas Valley, Hollister Valley and Carmel Valley - San Francisco - San Francisco Bay Shoreline - San Francisco Peninsula Coast - Santa Clara Valley Including San Jose - Santa Cruz Mountains - Santa Lucia Mountains and Los Padres National Forest - Southern Monterey Bay and Big Sur Coast
Effective: Wed, 1/16 3:00pm Updated: Wed, 1/16 1:40pm Urgency: Expected
Expires: Thu, 1/17 3:00am Severity:  Severe  Certainty: Possible

 
Details:
...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH LATE TONIGHT...
The Flash Flood Watch continues for
* The Bay Area and Central Coast of California
* Through late tonight
* A strong cold front will bring heavy rain this afternoon
through early Thursday morning. Urban and small stream
flooding will become likely along with rapid rises on main
stem rivers. Small creeks and streams may rapidly rise near or
above bankfull.
* Take action now to protect property by sand bagging flood
prone locations.

Information:
A Flash Flood Watch means that conditions may develop that lead
to flash flooding. Flash flooding is a very dangerous situation.
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.

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