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Photo: Half Moon Bay beach bluffs by Runner1928 (CC BY-SA 3.0) License

Elmar Beach

Beach · Half Moon Bay, California

Cool todaycamping-nearby

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Current water conditions

Water temp
68°F
20°C
Cool water — ease in carefully. Cool enough to cause cold-water shock on a sudden entry. Get in gradually, let your breathing settle, and keep an eye on weaker swimmers.

Live data from NOAA buoy AAMC1 (22.1 mi away), as of Aug 20, 10:48 PM UTC. Conditions are for general information only and can change quickly — always judge the water in person and follow posted advisories before swimming.

Weather at Elmar Beach

H: 61° L: 56°
Overcast
Overcast
60°
|
Feels like 56°
Precipitation
67%
Humidity
93%
Wind
12 mph
UV Index
4.1
Water Conditions:
🥶Too cold for most swimmers
12 AM
Fog
56°
3 AM
Mist
57°
6 AM
Mist
56°
9 AM
Mist
58°
12 PM
Mist
60°
3 PM
Overcast
61°
6 PM
Fog
58°
9 PM
Mist
58°

Sponsored gear checklist

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Frequently asked questions

Where is Elmar Beach?
Elmar Beach is a beach in Half Moon Bay, California.
What is the water temperature at Elmar Beach?
As of August 20, 2026, the water temperature at Elmar Beach in Half Moon Bay, California is 68°F (20°C), measured by NOAA buoy AAMC1, 22.1 miles away.
Can you swim at Elmar Beach?
There is no fixed answer for Elmar Beach: whether it is safe to swim there on a given day depends on the water temperature, recent rainfall, and any advisories posted at Elmar Beach in Half Moon Bay, California. Check current water conditions before you go, and follow posted signs and local guidance.
How is Elmar Beach rated?
Elmar Beach in Half Moon Bay, California has an average visitor rating of 5 out of 5, based on 5 reviews.
What amenities does Elmar Beach have?
Visitor-listed amenities at Elmar Beach include camping-nearby.

Visitor Reviews

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Been here? A quick note helps the next visitor plan their day. Handy things to mention:

Water temperatureCrowds & parkingBest time to goSafety & access

Best Times to Visit

🧥
Right Now
Cool weather - dress warmly
🏖️ Swimming Beaches Tips:
  • Arrive early for best parking and beach spot selection
  • Check for lifeguard schedules and swim only in designated areas
  • Bring reef-safe sunscreen to protect marine life
  • Watch for beach flags indicating water conditions
Best Seasons:
☀️ Summer (Jun-Aug)🍂 Fall (Sep-Nov)🌸 Spring (Mar-May)

Location & Contact

Half Moon Bay, CA 94019

Half Moon Bay, California 94019

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Amenities

Camping nearby