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Elev 26 ft, 37.6 °N, 122.39 °W

Millbrae, CA Severe Weather Alertstar_ratehome

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Current Station
Personal Weather Station
Location: Millbrae, CA
Elevation: 26ft
Nearby Weather Stations

Active Weather Alerts

Gale Warning
Issued: 10:18 AM Dec. 23, 2025 – National Weather Service
...GALE WARNING REMAINS IN EFFECT FROM 9 AM THIS MORNING TO 3 AM
PST WEDNESDAY...
...GALE WARNING 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 very rough waters expected. For the
second Gale Warning, south winds 20 to 30 kt with gusts up to
40 kt and very rough waters expected.

* WHERE...San Francisco Bay South of the Bay Bridge.

* WHEN...For the first Gale Warning, from 9 AM this morning to 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: 10:18 AM Dec. 23, 2025 – National Weather Service
...GALE WARNING REMAINS IN EFFECT FROM 9 AM THIS MORNING TO 3 AM
PST WEDNESDAY...
...GALE WARNING 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 very rough waters expected. For the
second Gale Warning, south winds 20 to 30 kt with gusts up to
40 kt and very rough waters expected.

* WHERE...San Francisco Bay South of the Bay Bridge.

* WHEN...For the first Gale Warning, from 9 AM this morning to 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.

&&

Wind Advisory
Issued: 9:28 AM Dec. 23, 2025 – National Weather Service
...WIND ADVISORY REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 AM
PST WEDNESDAY...

* WHAT...Southeast winds 25 to 35 mph with gusts up to 55 mph
expected. Isolated areas along the ridgelines may see a few gusts
up to 65 mph.

* WHERE...The East Bay and San Francisco Bay Shoreline, The Santa
Clara Valley and Eastern Hills, The Salinas and Carmel Valleys and
Hollister Area, Northern Monterey Bay, The Santa Cruz Mountains,
Most of San Benito County and the Cholame Hills in Southeast
Monterey County, San Francisco, North Bay Interior Mountains, and
North Bay Interior Valleys.

* WHEN...From 4 PM this afternoon to 4 AM PST Wednesday.

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

&&

Flood Watch
Issued: 7:59 PM Dec. 22, 2025 – National Weather Service
...FLOOD WATCH REMAINS IN EFFECT FROM TUESDAY MORNING THROUGH FRIDAY
EVENING...

* WHAT...Flooding caused by excessive rainfall continues to be
possible.

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

* WHEN...From Tuesday morning 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...
- A series of atmospheric rivers will result in multiple rounds of
moderate to heavy rainfall this week across the Bay Area and
Central Coast. An additional 2-4" of rain is expected across the
interior with locally higher totals between 4-6" 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.

&&

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