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San Francisco, CA Severe Weather Alertstar_ratehome

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Personal Weather Station
Location: San Francisco, CA
Elevation: 89ft
Nearby Weather Stations

Active Weather Alerts

Flood Watch
Issued: 7:40 AM Dec. 24, 2025 – National Weather Service
...FLOOD WATCH REMAINS IN EFFECT THROUGH FRIDAY EVENING...

* WHAT...Flooding caused by excessive rainfall continues to be
possible from multiple lines of showers and thunderstorms, strong
at times, moving across the area.

* WHERE...San Francisco County, San Mateo Peninsula, East Bay, South
Bay, and Central Coast

* WHEN...Through Friday evening.

* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Creeks and streams may rise out of their banks. Low water crossings
may become flooded. Flooding may occur in poor drainage and urban
areas.

* ADDITIONAL DETAILS...
- Numerous lines of showers and thunderstorms will move across the
Bay Area and Central Coast through Friday evening. An additional
1-3" of rain is expected across the interior with locally higher
totals between 3-5" across the Santa Cruz Mountains and up to 8"
across the Santa Lucia Range. Flooding potential will increase
with each successive round of rain. Sharp rises in smaller creeks
and streams are expected with at least some potential for minor
flooding in mainstream rivers.
- http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.

&&

Gale Warning
Issued: 4:37 AM Dec. 24, 2025 – National Weather Service
...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM PST WEDNESDAY...
...GALE WARNING REMAINS IN EFFECT FROM 3 PM WEDNESDAY TO 3 AM PST
THURSDAY...

* WHAT...For the first Gale Warning, southeast winds 15 to 25 kt
with gusts up to 45 kt and rough waters. For the second Gale
Warning, southeast winds 20 to 30 kt with gusts up to 40 kt
and very rough waters expected.

* WHERE...San Pablo Bay, Suisun Bay, the West Delta and the San
Francisco Bay north of the Bay Bridge.

* WHEN...For the first Gale Warning, until 3 AM PST Wednesday.
For the second Gale Warning, from 3 PM Wednesday to 3 AM PST
Thursday.

* IMPACTS...Strong winds will cause hazardous seas which could
capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

Gale Warning
Issued: 4:37 AM Dec. 24, 2025 – National Weather Service
...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM PST WEDNESDAY...
...GALE WARNING REMAINS IN EFFECT FROM 3 PM WEDNESDAY TO 3 AM PST
THURSDAY...

* WHAT...For the first Gale Warning, southeast winds 15 to 25 kt
with gusts up to 45 kt and rough waters. For the second Gale
Warning, southeast winds 20 to 30 kt with gusts up to 40 kt
and very rough waters expected.

* WHERE...San Pablo Bay, Suisun Bay, the West Delta and the San
Francisco Bay north of the Bay Bridge.

* WHEN...For the first Gale Warning, until 3 AM PST Wednesday.
For the second Gale Warning, from 3 PM Wednesday to 3 AM PST
Thursday.

* IMPACTS...Strong winds will cause hazardous seas which could
capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

Marine Weather Statement
Issued: 4:31 AM Dec. 24, 2025 – National Weather Service
...DANGEROUS MARINE CONDITIONS ACROSS THE COASTAL WATERS OF
CENTRAL CALIFORNIA THROUGH FRIDAY MORNING DUE TO WIDESPREAD GALE
FORCE WINDS WITH ASSOCIATED STEEP SEAS AND THREAT OF THUNDERSTORMS
AND ISOLATED WATERSPOUTS...

A powerful complex of surface lows are forecasted to move through
the waters over the next three days, bringing dangerous and life-
threatening conditions across the waters. Widespread gale force
southerly winds will persist with peaks of storm force winds
overnight Tuesday night and again Thursday morning.

The strong winds will bring dangerous and very steep, choppy
seas. The storm will also bring the threat of thunderstorms, some
of which could be strong, with locally damaging winds. Conditions
are also favorable for isolated waterspouts.

Monitor NOAA Weather Radio for the latest information, forecasts,
and warnings. This will be a dangerous storm and mariners should
exercise extreme caution and are urged to remain in safe harbor
for the duration of the storm.

Beach Hazard Statement
Issued: 4:03 AM Dec. 24, 2025 – National Weather Service
...BEACH HAZARDS STATEMENT NOW IN EFFECT THROUGH LATE THURSDAY
NIGHT...

* WHAT...Hazardously strong coastal winds and jets will lead to
blowing and drifting sand, wind waves up to 20 ft, and result
in poor visibility along coastal beaches.

* WHERE...Beaches along the Pacific Coast.

* WHEN...Through 4 AM Friday.

* IMPACTS...Dangerous coastal and near coastal conditions. Water
rescues may be affected by poor visibility from sea spray and
blowing sand. Potential for increased erosion.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Dangerous conditions are forecast along the shoreline. It is
recommended to avoid the coast during this time. Never turn your
back to the ocean.

&&

High Wind Warning
Issued: 9:09 PM Dec. 23, 2025 – National Weather Service
...HIGH WIND WARNING IN EFFECT UNTIL 4 AM PST WEDNESDAY...

* WHAT...Southeast winds 20 to 30 mph with gusts up to 60 mph
expected.

* WHERE...The Salinas and Carmel Valleys and Hollister Area, Northern
Monterey Bay, and San Francisco.

* WHEN...Until 4 AM PST Wednesday.

* IMPACTS...Damaging winds will blow down trees and power lines.
Widespread power outages are expected. Travel will be difficult,
especially for high profile vehicles. Damaging winds could down
trees, snap power lines, and result in property damage. Widespread
power outages are possible. Travel could be extremely difficult and
hazardous, especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People are urged to secure loose objects that could be blown around
or damaged by the wind.

Secure loose outdoor objects that could be blown around or damaged by
the wind.

&&

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