closegps_fixed
Elev 123 ft, 37.59 °N, 122.02 °W

Union City, CA Severe Weather Alertstar_ratehome

icon59 Â°F Terry's House Station|Report|Change
Current Station
Personal Weather Station
Location: Union City, CA
Elevation: 123ft
Nearby Weather Stations

Active Weather Alerts

Small Craft Advisory
Issued: 10:21 AM Jan. 2, 2026 – National Weather Service
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 AM THIS MORNING
TO 3 AM PST SATURDAY...

* WHAT...Southeast winds 15 to 25 kt with gusts up to 35 kt and
rough waters expected.

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

* WHEN...From 9 AM this morning to 3 AM PST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

Coastal Flood Advisory
Issued: 7:01 AM Jan. 2, 2026 – National Weather Service
...COASTAL FLOOD WARNING IN EFFECT FROM 7 AM FRIDAY TO
2 PM PST SATURDAY...
...COASTAL FLOOD ADVISORY IN EFFECT 2 PM PST SATURDAY TO
2 PM PST SUNDAY...

* WHAT...For the Coastal Flood Warning, significant coastal
flooding expected due to high astronomical tides and storm
surge. Up to 2.5 ft of inundation above ground level is
possible in low-lying areas near shorelines and tidal
waterways during the morning high tide Friday and Saturday.
For the Coastal Flood Advisory, up to 2.0 ft inundation is
possible.

* WHERE...San Francisco Bay.

* WHEN...For the Coastal Flood Warning, from 7 AM Friday to 2
PM PST Saturday. For the Coastal Flood Advisory, from 2
PM Saturday to 2 PM PST Sunday.

* IMPACTS...Numerous roads will be closed. Low lying property
including homes, businesses, and some critical infrastructure
will likely be inundated. Some shoreline erosion will occur.

* ADDITIONAL DETAILS...At the San Francisco tidal gauge, high
tide is expected to be:
2.2 ft above normal (8.0 ft MLLW) at 9:34 AM Friday 1/2
2.5 ft above normal (8.3 ft MLLW) at 10:26 AM Saturday 1/3
1.9 ft above normal (7.7 ft MLLW) at 11:18 AM Sunday 1/4
These predictions include up to 1.3 feet of storm surge that
will enhance the astronomical tide and flooding threat. High
tide varies up to 90 minutes earlier or later along the
Pacific Coast and through the San Francisco Bay, respectively.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take the necessary actions to protect flood-prone property. If
travel is required, do not drive around barricades or through
water of unknown depth.

&&

Coastal Flood Advisory
Issued: 7:01 AM Jan. 2, 2026 – National Weather Service
...COASTAL FLOOD WARNING IN EFFECT FROM 7 AM FRIDAY TO
2 PM PST SATURDAY...
...COASTAL FLOOD ADVISORY IN EFFECT 2 PM PST SATURDAY TO
2 PM PST SUNDAY...

* WHAT...For the Coastal Flood Warning, significant coastal
flooding expected due to high astronomical tides and storm
surge. Up to 2.5 ft of inundation above ground level is
possible in low-lying areas near shorelines and tidal
waterways during the morning high tide Friday and Saturday.
For the Coastal Flood Advisory, up to 2.0 ft inundation is
possible.

* WHERE...San Francisco Bay.

* WHEN...For the Coastal Flood Warning, from 7 AM Friday to 2
PM PST Saturday. For the Coastal Flood Advisory, from 2
PM Saturday to 2 PM PST Sunday.

* IMPACTS...Numerous roads will be closed. Low lying property
including homes, businesses, and some critical infrastructure
will likely be inundated. Some shoreline erosion will occur.

* ADDITIONAL DETAILS...At the San Francisco tidal gauge, high
tide is expected to be:
2.2 ft above normal (8.0 ft MLLW) at 9:34 AM Friday 1/2
2.5 ft above normal (8.3 ft MLLW) at 10:26 AM Saturday 1/3
1.9 ft above normal (7.7 ft MLLW) at 11:18 AM Sunday 1/4
These predictions include up to 1.3 feet of storm surge that
will enhance the astronomical tide and flooding threat. High
tide varies up to 90 minutes earlier or later along the
Pacific Coast and through the San Francisco Bay, respectively.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take the necessary actions to protect flood-prone property. If
travel is required, do not drive around barricades or through
water of unknown depth.

&&

Coastal Flood Warning
Issued: 7:01 AM Jan. 2, 2026 – National Weather Service
...COASTAL FLOOD WARNING IN EFFECT FROM 7 AM FRIDAY TO
2 PM PST SATURDAY...
...COASTAL FLOOD ADVISORY IN EFFECT 2 PM PST SATURDAY TO
2 PM PST SUNDAY...

* WHAT...For the Coastal Flood Warning, significant coastal
flooding expected due to high astronomical tides and storm
surge. Up to 2.5 ft of inundation above ground level is
possible in low-lying areas near shorelines and tidal
waterways during the morning high tide Friday and Saturday.
For the Coastal Flood Advisory, up to 2.0 ft inundation is
possible.

* WHERE...San Francisco Bay.

* WHEN...For the Coastal Flood Warning, from 7 AM Friday to 2
PM PST Saturday. For the Coastal Flood Advisory, from 2
PM Saturday to 2 PM PST Sunday.

* IMPACTS...Numerous roads will be closed. Low lying property
including homes, businesses, and some critical infrastructure
will likely be inundated. Some shoreline erosion will occur.

* ADDITIONAL DETAILS...At the San Francisco tidal gauge, high
tide is expected to be:
2.2 ft above normal (8.0 ft MLLW) at 9:34 AM Friday 1/2
2.5 ft above normal (8.3 ft MLLW) at 10:26 AM Saturday 1/3
1.9 ft above normal (7.7 ft MLLW) at 11:18 AM Sunday 1/4
These predictions include up to 1.3 feet of storm surge that
will enhance the astronomical tide and flooding threat. High
tide varies up to 90 minutes earlier or later along the
Pacific Coast and through the San Francisco Bay, respectively.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take the necessary actions to protect flood-prone property. If
travel is required, do not drive around barricades or through
water of unknown depth.

&&

Local Radar
Local Radar ImageLocal Severe Image