Moonstone Beach
California · United States
Rating right now
An open SE-facing sand beach on the Gulf of California near California, Moonstone Beach works on E–SW groundswell; NW–N winds offshore, with conditions most reliable april–october.
10-day forecast
Local time · updates hourly
Wave height & period
Wind
| Time | Rating | Waves | Swell | Wind | Air |
|---|---|---|---|---|---|
Water temperature by month
This month: ~14.7°C (58.5°F) on average
Jan
13°C
55.4°F · 11.5–14.8°C
Feb
12.8°C
55°F · 10.9–15.5°C
Mar
12.7°C
54.9°F · 11–15.8°C
Apr
12.1°C
53.8°F · 10.3–13.8°C
May
12.3°C
54.1°F · 10.4–14.2°C
Jun
13.1°C
55.6°F · 10.9–15.3°C
Jul
14.3°C
57.7°F · 10.9–17.3°C
Aug
15.2°C
59.4°F · 12.8–18.8°C
Sep
15.4°C
59.7°F · 13.1–18.7°C
Oct
14.7°C
58.5°F · 12.6–18.6°C
Nov
14.5°C
58.1°F · 12.2–17.8°C
Dec
13.6°C
56.5°F · 12–16.6°C
25-year monthly averages from the NOAA OISST satellite record — typical range min–max, not a live reading.
Know before you go
Best swell
E–SW
Best wind
NW–N
Break type
Beach break
Best season
April–October
Safety: Friendly by surf standards, but rip currents and drop-in etiquette still apply. Shifting sandbars create moving rip currents — learn to spot them and use them to get out back. Sharks are part of the ecosystem here — avoid dawn, dusk and murky rivermouth water.
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