Ontario, Canada
James Bay44.52°N, 80.02°WStation CA-ONT-BEA

Beach Area 1 & 2 Sea Water Temperature

A cool beach on the James Bay, warmest around August at about 20.6°C. Today's reading, 7-day forecast, and monthly averages below.

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

Beach Area 1 & 2 water temperature

18.8
65.8°FCool / Refreshing (16°C – 20°C)

Invigorating and crisp. Tolerable for active swimming, but chilly for prolonged casual bathing.

+0°vs Sep avgJames Bay44.52°N, 80.02°W
Activity Index:SwimmingSnorkelingSurfingTypical conditions
Marine Atmosphere Grid Live Marine Feed
Coastal Air
20°C
68.5°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
18.8°C
65.8°F
Waves: 1m
Refreshing
ThuOct 1
19.1°C
66.4°F
Waves: 0.9m
Refreshing
FriOct 2
19.2°C
66.6°F
Waves: 0.7m
Refreshing
SatOct 3
19.1°C
66.4°F
Waves: 0.6m
Refreshing
SunOct 4
18.8°C
65.8°F
Waves: 0.7m
Refreshing
MonOct 5
18.5°C
65.3°F
Waves: 0.9m
Refreshing
TueOct 6
18.4°C
65.1°F
Waves: 1m
Refreshing
Forecast cooling trend: -0.4°C over 7 days at Beach Area 1 & 2.
Confidence: High

Beach Area 1 & 2 Monthly Water Temperature Averages

Historical monthly climatology. The warmest water in Beach Area 1 & 2 occurs inJuly, August, September, October — peaking at20.6°C (69.1°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)
3
Jan
2
Feb
1
Mar
2
Apr
5
May
11
Jun
19
Jul
21
Aug
Current
19
Sep
14
Oct
9
Nov
6
Dec
Full 12-month data table — min / avg / max & swimming comfort
MonthMin Water TempAverage Water TempMax Water TempSwimming Comfort
January0.9°C3.2°C6.2°CVery Cold (< 16°C)
February0.3°C1.6°C3.8°CVery Cold (< 16°C)
March0.3°C1.4°C3.5°CVery Cold (< 16°C)
April0.4°C1.9°C4.7°CVery Cold (< 16°C)
May2.3°C4.6°C10.8°CVery Cold (< 16°C)
June4.7°C11.3°C17.3°CVery Cold (< 16°C)
July14°C18.7°C22.6°CCool / Refreshing (16°C – 20°C)
August16.9°C20.6°C23.6°CComfortable (20°C – 24°C)
SeptemberCurrent15.7°C18.8°C21.9°CCool / Refreshing (16°C – 20°C)
October10.1°C14°C17.7°CVery Cold (< 16°C)
November6.4°C9.4°C12.8°CVery Cold (< 16°C)
December3.6°C5.7°C8.2°CVery Cold (< 16°C)

Swimming FAQs for Beach Area 1 & 2

Is the sea warm enough to swim in Beach Area 1 & 2 today?

Typical sea surface temperature in Beach Area 1 & 2 this time of year is 18.8°C (65.8°F) — classified as Cool / Refreshing (16°C – 20°C). Invigorating and crisp. Tolerable for active swimming, but chilly for prolonged casual bathing. Live readings load automatically.

What are the warmest months for swimming in Beach Area 1 & 2?

The highest water temperatures in Beach Area 1 & 2 typically occur duringJuly, August, September, October, when monthly averages reach peak seasonal levels.

What is the typical water temperature in Beach Area 1 & 2 in September?

Historically in September, water temperatures in Beach Area 1 & 2 average around18.8°C (65.8°F), fluctuating between a recorded minimum of 15.7°C and a maximum of 21.9°C.

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Beach Area 1 & 2 Coastal Zone Map

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