Updated

Moonstone Beach
Beach
Cool water — ease in carefully
Use cautionCool water — ease in carefully: water temperature is 68°F, cool enough to cause cold-water shock on a sudden entry.
- Water temp 68°F (20°C)
Live data from NOAA buoy MBXC1 (20.1 mi away), as of Oct 20, 6:10 AM UTC.
Why, sources & official advisories
- Water temperature is 68°F, cool enough to cause cold-water shock on a sudden entry. — NOAA buoy MBXC1, as of Oct 20, 6:10 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 68°F at Moonstone Beach now. We check the water daily and email you once when it reaches your temperature.
Relaxed, secluded beach with rocky tide pools, a boardwalk with scenic overlooks & sunset views.
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Weather at Moonstone Beach
54°F, Partly Cloudy · H 66° / L 52° · 12% chance of rain3-day forecast









Frequently asked questions
- Where is Moonstone Beach?
- Moonstone Beach is a beach in California.
- What is the water temperature at Moonstone Beach?
- As of October 20, 2026, the water temperature at Moonstone Beach in California is 68°F (20°C), measured by NOAA buoy MBXC1, 20.1 miles away.
- Can you swim at Moonstone Beach?
- Cool water — ease in carefully: water temperature is 68°F, cool enough to cause cold-water shock on a sudden entry. Checked October 20, 2026.
- How is Moonstone Beach rated?
- Moonstone Beach in California has an average visitor rating of 4.9 out of 5, based on 144 reviews.
- What amenities does Moonstone Beach have?
- Visitor-listed amenities at Moonstone Beach include camping-nearby.
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Location & Contact
California 93428
California 93428
🏖️ Best times & visiting 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
Features & amenities
Amenities
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