Ontario, Canada
James Bay42.34°N, 82.92°WStation CA-ONT-SAN

Sandpoint Beach Sea Water Temperature

A cool beach on the James Bay, warmest around August at about 23°C. Today's reading, 7-day forecast, and monthly averages below.

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

Sandpoint Beach water temperature

20.2
68.4°FComfortable (20°C – 24°C)

Pleasant and revitalizing. Great for most beachgoers and active recreational swimming.

+0°vs Sep avgJames Bay42.34°N, 82.92°W
Activity Index:SwimmingSnorkelingSurfingTypical conditions
Marine Atmosphere Grid Live Marine Feed
Coastal Air
22°C
71.1°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
20.2°C
68.4°F
Waves: 1m
Comfortable
ThuOct 1
20.5°C
68.9°F
Waves: 0.9m
Comfortable
FriOct 2
20.6°C
69.1°F
Waves: 0.7m
Comfortable
SatOct 3
20.5°C
68.9°F
Waves: 0.6m
Comfortable
SunOct 4
20.2°C
68.4°F
Waves: 0.7m
Comfortable
MonOct 5
19.9°C
67.8°F
Waves: 0.9m
Refreshing
TueOct 6
19.8°C
67.6°F
Waves: 1m
Refreshing
Forecast cooling trend: -0.4°C over 7 days at Sandpoint Beach.
Confidence: High

Sandpoint Beach Monthly Water Temperature Averages

Historical monthly climatology. The warmest water in Sandpoint Beach occurs inJune, July, August, September — peaking at23°C (73.4°F) in August.

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

Hover a bar for details
Current month Comfortable (20–24°C) Warm (24°C+) Cool (<20°C)
1
Jan
0
Feb
2
Mar
5
Apr
12
May
18
Jun
22
Jul
23
Aug
Current
20
Sep
14
Oct
9
Nov
4
Dec
Full 12-month data table — min / avg / max & swimming comfort
MonthMin Water TempAverage Water TempMax Water TempSwimming Comfort
January0°C1.3°C4.5°CVery Cold (< 16°C)
February0°C0.4°C3.3°CVery Cold (< 16°C)
March0.2°C1.6°C6.2°CVery Cold (< 16°C)
April1.4°C5.3°C9.5°CVery Cold (< 16°C)
May7.3°C11.5°C17.4°CVery Cold (< 16°C)
June15.5°C18.1°C21.2°CCool / Refreshing (16°C – 20°C)
July18.5°C22.3°C25.3°CComfortable (20°C – 24°C)
August20.5°C23°C25.7°CComfortable (20°C – 24°C)
SeptemberCurrent16°C20.2°C22.8°CComfortable (20°C – 24°C)
October9.9°C14.4°C18.9°CVery Cold (< 16°C)
November3.6°C8.7°C13.9°CVery Cold (< 16°C)
December0.2°C4°C7.6°CVery Cold (< 16°C)

Swimming FAQs for Sandpoint Beach

Is the sea warm enough to swim in Sandpoint Beach today?

Typical sea surface temperature in Sandpoint Beach this time of year is 20.2°C (68.4°F) — classified as Comfortable (20°C – 24°C). Pleasant and revitalizing. Great for most beachgoers and active recreational swimming. Live readings load automatically.

What are the warmest months for swimming in Sandpoint Beach?

The highest water temperatures in Sandpoint Beach typically occur duringJune, July, August, September, when monthly averages reach peak seasonal levels.

What is the typical water temperature in Sandpoint Beach in September?

Historically in September, water temperatures in Sandpoint Beach average around20.2°C (68.4°F), fluctuating between a recorded minimum of 16°C and a maximum of 22.8°C.

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Sandpoint Beach Coastal Zone Map

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