Updated

Half Moon Bay State Beach
State park · Half Moon Bay, California
Cool water — ease in carefully
Use cautionCool water — ease in carefully: water temperature is 65°F, cool enough to cause cold-water shock on a sudden entry.
- Water temp 65°F (18°C)
Live data from NOAA buoy AAMC1 (21.8 mi away), as of Oct 20, 7:54 AM UTC.
Why, sources & official advisories
- Water temperature is 65°F, cool enough to cause cold-water shock on a sudden entry. — NOAA buoy AAMC1, as of Oct 20, 7:54 AM UTC
- No official beach advisory posted (California Water Boards — FHAB Reports checked).
Official advisories
Checked against California Water Boards — FHAB Reports — no advisory posted.
Get an email when it’s warm enough
It’s 65°F at Half Moon Bay State Beach now. We check the water daily and email you once when it reaches your temperature.
Things to Do Near Half Moon Bay State Beach
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Weather at Half Moon Bay State Beach
55°F, Overcast · H 66° / L 54° · 18% chance of rain3-day forecast









Frequently asked questions
- Where is Half Moon Bay State Beach?
- Half Moon Bay State Beach is a state park in Half Moon Bay, California.
- What is the water temperature at Half Moon Bay State Beach?
- As of October 20, 2026, the water temperature at Half Moon Bay State Beach in Half Moon Bay, California is 65°F (18°C), measured by NOAA buoy AAMC1, 21.8 miles away.
- Can you swim at Half Moon Bay State Beach?
- Cool water — ease in carefully: water temperature is 65°F, cool enough to cause cold-water shock on a sudden entry. Checked October 20, 2026.
- How is Half Moon Bay State Beach rated?
- Half Moon Bay State Beach in Half Moon Bay, California has an average visitor rating of 4.7 out of 5, based on 131 reviews.
- What amenities does Half Moon Bay State Beach have?
- Visitor-listed amenities at Half Moon Bay State Beach include camping-nearby.
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Location & Contact
2 Venice Blvd, Half Moon Bay, CA 94019
Half Moon Bay, California 94019
Phone
+1 650-726-8820💡 Best times & visiting tips
- ›Weekday mornings (8–10 AM) are typically less crowded
- ›Check the forecast 2–3 days ahead for best planning
- ›Avoid holiday weekends for a quieter experience
Features & amenities
Highlights
Accessibility
Amenities
Family & Children
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