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Elev 56 ft, 37.46 °N, 122.43 °W

Half Moon Bay, CA Severe Weather Alertstar_ratehome

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Current Station
Personal Weather Station
Location: Half Moon Bay, CA
Elevation: 56ft
Nearby Weather Stations

Active Weather Alerts

Small Craft Advisory
Issued: 9:57 PM Jul. 14, 2026 – National Weather Service
...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM WEDNESDAY TO 3 PM PDT
THURSDAY...

* WHAT...Northwest winds 10 to 20 kt with gusts up to 30 kt
expected.

* WHERE...Coastal Waters from Point Reyes to Pigeon Point
California out to 10 NM.

* WHEN...From 9 AM Wednesday to 3 PM PDT Thursday.

* 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: 6:50 AM Jul. 14, 2026 – National Weather Service
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 4 AM PDT
WEDNESDAY...

* WHAT...Up to 1.8 ft of inundation above ground level is
possible in low-lying areas near shorelines and tidal
waterways.

* WHERE...Pacific Coast including Monterey Bay.

* WHEN...Until 4 AM PDT Wednesday.

* IMPACTS...Flooding of lots, parks, and roads with only
isolated road closures expected.

* ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide
is expected to be 1.8 ft above normal (7.6 ft MLLW) at 11:55 PM
7/14. This prediction includes both astronomical tides and
roughly 3-6 inches of additional water mainly from a combination
of thermal expansion and accumulated sea level rise since the
tidal datum was established (1983-2001). High tide varies up to
90 minutes earlier or later along the Pacific Coast and through
the San Francisco Bay, respectively.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If travel is required, allow extra time as some roads may be
closed. Do not drive around barricades or through water of
unknown depth. Take the necessary actions to protect flood-prone
property.

&&

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