Michigan, United States
James Bay42.41°N, 86.28°WStation UN-MIC-NOR

North Beach Sea Water Temperature

A cool beach on the James Bay, warmest around August at about 22.3°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

20
68°FComfortable (20°C – 24°C)

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

+0°vs Sep avgJames Bay42.41°N, 86.28°W
Activity Index:SwimmingSnorkelingSurfingTypical conditions
Marine Atmosphere Grid Live Marine Feed
Coastal Air
22°C
70.7°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°C
68°F
Waves: 1m
Comfortable
ThuOct 1
20.3°C
68.5°F
Waves: 0.9m
Comfortable
FriOct 2
20.4°C
68.7°F
Waves: 0.7m
Comfortable
SatOct 3
20.3°C
68.5°F
Waves: 0.6m
Comfortable
SunOct 4
20°C
68°F
Waves: 0.7m
Comfortable
MonOct 5
19.7°C
67.5°F
Waves: 0.9m
Refreshing
TueOct 6
19.6°C
67.3°F
Waves: 1m
Refreshing
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 at22.3°C (72.1°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)
5
Jan
3
Feb
3
Mar
4
Apr
8
May
15
Jun
21
Jul
22
Aug
Current
20
Sep
16
Oct
10
Nov
7
Dec
Full 12-month data table — min / avg / max & swimming comfort
MonthMin Water TempAverage Water TempMax Water TempSwimming Comfort
January2.7°C4.5°C6.6°CVery Cold (< 16°C)
February0.8°C2.8°C4.3°CVery Cold (< 16°C)
March0.7°C2.5°C5.6°CVery Cold (< 16°C)
April1.4°C3.8°C7.7°CVery Cold (< 16°C)
May3.7°C8.3°C15.4°CVery Cold (< 16°C)
June6.6°C15.3°C19.9°CVery Cold (< 16°C)
July15.7°C20.9°C24.2°CComfortable (20°C – 24°C)
August18.3°C22.3°C24.7°CComfortable (20°C – 24°C)
SeptemberCurrent15.6°C20°C22.5°CComfortable (20°C – 24°C)
October11.6°C15.5°C19.5°CVery Cold (< 16°C)
November6.2°C10.3°C15.1°CVery Cold (< 16°C)
December3.6°C6.6°C10.2°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 20°C (68°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 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 around20°C (68.0°F), fluctuating between a recorded minimum of 15.6°C and a maximum of 22.5°C.

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North Beach Coastal Zone Map

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