Ontario, Canada
James Bay44.54°N, 80.00°WStation CA-ONT-NEW

New Wasaga Beach 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

New Wasaga Beach 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 Bay44.54°N, 80.00°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 New Wasaga Beach.
Confidence: High

New Wasaga Beach Monthly Water Temperature Averages

Historical monthly climatology. The warmest water in New Wasaga Beach 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 New Wasaga Beach

Is the sea warm enough to swim in New Wasaga Beach today?

Typical sea surface temperature in New Wasaga Beach 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 New Wasaga Beach?

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

What is the typical water temperature in New Wasaga Beach in September?

Historically in September, water temperatures in New Wasaga Beach 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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