California, United States
Gulf of California35.92°N, 121.47°WStation UN-CAL-SAN

Sand Dollar Beach Sea Water Temperature

A temperate beach on the Gulf of California, warmest around September at about 15.3°C. Today's reading, 7-day forecast, and monthly averages below.

Live readings · auto-updating
Water Temperature NowBuoy & Sentinel-3 SST

Sand Dollar Beach water temperature

15.3
59.5°FVery Cold (< 16°C)

Wetsuit strongly recommended. Sudden entry may cause cold shock. Suitable only for brief, brisk plunges.

+0°vs Sep avgGulf of California35.92°N, 121.47°W
Activity Index:SwimmingSnorkelingSurfingTypical conditions
Marine Atmosphere Grid Live Marine Feed
Coastal Air
17°C
62.2°F onshore
Wind Speed
12 km/h
Surface wind
Wave Height
0.8 m
Slight shore chop
Swell
0.6 m
Deep water swell
Wave Period
6 s
Peak interval
UV Index
—
Daily maximum
Sunrise
—
First morning light
Sunset
—
Golden hour close

7-Day Water Temperature Forecast

Open-Meteo ocean model
Today
WedSep 30
15.3°C
59.5°F
Waves: 1m
Very Cold
ThuOct 1
15.6°C
60.1°F
Waves: 0.9m
Very Cold
FriOct 2
15.7°C
60.3°F
Waves: 0.7m
Very Cold
SatOct 3
15.6°C
60.1°F
Waves: 0.6m
Very Cold
SunOct 4
15.3°C
59.5°F
Waves: 0.7m
Very Cold
MonOct 5
15°C
59°F
Waves: 0.9m
Very Cold
TueOct 6
14.9°C
58.8°F
Waves: 1m
Very Cold
Forecast cooling trend: -0.4°C over 7 days at Sand Dollar Beach.
Confidence: High

Sand Dollar Beach Monthly Water Temperature Averages

Historical monthly climatology. The warmest water in Sand Dollar Beach occurs inAugust, September, October, November — peaking at15.3°C (59.5°F) in September.

Year-Round Water Temperature Curve (°C / °F)

Hover a bar for details
Current month Comfortable (20–24°C) Warm (24°C+) Cool (<20°C)
13
Jan
13
Feb
13
Mar
12
Apr
12
May
13
Jun
14
Jul
15
Aug
Current
15
Sep
15
Oct
15
Nov
14
Dec
Full 12-month data table — min / avg / max & swimming comfort
MonthMin Water TempAverage Water TempMax Water TempSwimming Comfort
January11.4°C12.9°C14.7°CVery Cold (< 16°C)
February11°C12.7°C15.6°CVery Cold (< 16°C)
March10.4°C12.6°C15.4°CVery Cold (< 16°C)
April10.3°C12°C14°CVery Cold (< 16°C)
May9.7°C12.1°C14.5°CVery Cold (< 16°C)
June11.1°C13°C15.5°CVery Cold (< 16°C)
July10.6°C14.1°C17.2°CVery Cold (< 16°C)
August12.4°C14.9°C17.9°CVery Cold (< 16°C)
SeptemberCurrent13.1°C15.3°C18.7°CVery Cold (< 16°C)
October13.1°C14.7°C19.1°CVery Cold (< 16°C)
November12.2°C14.5°C17.4°CVery Cold (< 16°C)
December11.9°C13.6°C16.4°CVery Cold (< 16°C)

Swimming FAQs for Sand Dollar Beach

Is the sea warm enough to swim in Sand Dollar Beach today?

Typical sea surface temperature in Sand Dollar Beach this time of year is 15.3°C (59.5°F) — classified as Very Cold (< 16°C). Wetsuit strongly recommended. Sudden entry may cause cold shock. Suitable only for brief, brisk plunges. Live readings load automatically.

What are the warmest months for swimming in Sand Dollar Beach?

The highest water temperatures in Sand Dollar Beach typically occur duringAugust, September, October, November, when monthly averages reach peak seasonal levels.

What is the typical water temperature in Sand Dollar Beach in September?

Historically in September, water temperatures in Sand Dollar Beach average around15.3°C (59.5°F), fluctuating between a recorded minimum of 13.1°C and a maximum of 18.7°C.

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Sand Dollar Beach Coastal Zone Map

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