Ontario, Canada
James Bay48.59°N, 86.30°WStation CA-ONT-NOR

North Beach Sea Water Temperature

A cool beach on the James Bay, warmest around August at about 14.2°C. Today's reading, 7-day forecast, and monthly averages below.

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

North Beach water temperature

13.6
56.5°FVery Cold (< 16°C)

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

+0°vs Sep avgJames Bay48.59°N, 86.30°W
Activity Index:SwimmingSnorkelingSurfingTypical conditions
Marine Atmosphere Grid Live Marine Feed
Coastal Air
15°C
59.2°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
13.6°C
56.5°F
Waves: 1m
Very Cold
ThuOct 1
13.9°C
57°F
Waves: 0.9m
Very Cold
FriOct 2
14°C
57.2°F
Waves: 0.7m
Very Cold
SatOct 3
13.9°C
57°F
Waves: 0.6m
Very Cold
SunOct 4
13.6°C
56.5°F
Waves: 0.7m
Very Cold
MonOct 5
13.3°C
55.9°F
Waves: 0.9m
Very Cold
TueOct 6
13.2°C
55.8°F
Waves: 1m
Very Cold
Forecast cooling trend: -0.4°C over 7 days at North Beach.
Confidence: High

North Beach Monthly Water Temperature Averages

Historical monthly climatology. The warmest water in North Beach occurs inJuly, August, September, October — peaking at14.2°C (57.6°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
1
Feb
1
Mar
1
Apr
3
May
5
Jun
9
Jul
14
Aug
Current
14
Sep
11
Oct
7
Nov
5
Dec
Full 12-month data table — min / avg / max & swimming comfort
MonthMin Water TempAverage Water TempMax Water TempSwimming Comfort
January0.3°C2.9°C4.2°CVery Cold (< 16°C)
February0.2°C1.4°C3.6°CVery Cold (< 16°C)
March0°C1.1°C2.4°CVery Cold (< 16°C)
April0.2°C1.3°C3.3°CVery Cold (< 16°C)
May0.3°C2.7°C4.2°CVery Cold (< 16°C)
June2.6°C4.7°C10°CVery Cold (< 16°C)
July3.9°C9.1°C18°CVery Cold (< 16°C)
August9.1°C14.2°C17.3°CVery Cold (< 16°C)
SeptemberCurrent6.7°C13.6°C17.6°CVery Cold (< 16°C)
October6.7°C10.7°C16.1°CVery Cold (< 16°C)
November4.3°C6.6°C10.4°CVery Cold (< 16°C)
December3.1°C4.7°C6.9°CVery Cold (< 16°C)

Swimming FAQs for North Beach

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

Typical sea surface temperature in North Beach this time of year is 13.6°C (56.5°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 North Beach?

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

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

Historically in September, water temperatures in North Beach average around13.6°C (56.5°F), fluctuating between a recorded minimum of 6.7°C and a maximum of 17.6°C.

Other Beaches in Canada

Explore all Canada stations

North Beach Coastal Zone Map

Live OpenStreetMap