Massachusetts, United States
James Bay41.73°N, 70.09°WStation UN-MAS-SEY

Seymoor pond beach Sea Water Temperature

A cool beach on the James Bay, warmest around August at about 20.9°C. Today's reading, 7-day forecast, and monthly averages below.

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

Seymoor pond beach water temperature

19.2
66.6°FCool / Refreshing (16°C – 20°C)

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

+0°vs Sep avgJames Bay41.73°N, 70.09°W
Activity Index:SwimmingSnorkelingSurfingTypical conditions
Marine Atmosphere Grid Live Marine Feed
Coastal Air
21°C
69.3°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
19.2°C
66.6°F
Waves: 1m
Refreshing
ThuOct 1
19.5°C
67.1°F
Waves: 0.9m
Refreshing
FriOct 2
19.6°C
67.3°F
Waves: 0.7m
Refreshing
SatOct 3
19.5°C
67.1°F
Waves: 0.6m
Refreshing
SunOct 4
19.2°C
66.6°F
Waves: 0.7m
Refreshing
MonOct 5
18.9°C
66°F
Waves: 0.9m
Refreshing
TueOct 6
18.8°C
65.8°F
Waves: 1m
Refreshing
Forecast cooling trend: -0.4°C over 7 days at Seymoor pond beach.
Confidence: High

Seymoor pond beach Monthly Water Temperature Averages

Historical monthly climatology. The warmest water in Seymoor pond beach occurs inJune, July, August, September — peaking at20.9°C (69.6°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)
5
Jan
3
Feb
4
Mar
7
Apr
11
May
15
Jun
20
Jul
21
Aug
Current
19
Sep
15
Oct
11
Nov
8
Dec
Full 12-month data table — min / avg / max & swimming comfort
MonthMin Water TempAverage Water TempMax Water TempSwimming Comfort
January2.8°C5°C7.1°CVery Cold (< 16°C)
February2.2°C3.3°C5°CVery Cold (< 16°C)
March1°C3.9°C6.5°CVery Cold (< 16°C)
April3.7°C6.6°C10.8°CVery Cold (< 16°C)
May7.9°C10.6°C15.5°CVery Cold (< 16°C)
June9.7°C15.4°C18.3°CVery Cold (< 16°C)
July16.3°C19.6°C23.1°CCool / Refreshing (16°C – 20°C)
August17.7°C20.9°C23.6°CComfortable (20°C – 24°C)
SeptemberCurrent15.9°C19.2°C22.1°CCool / Refreshing (16°C – 20°C)
October11.5°C15.1°C18.5°CVery Cold (< 16°C)
November8.4°C10.8°C14.8°CVery Cold (< 16°C)
December4.9°C7.5°C9.8°CVery Cold (< 16°C)

Swimming FAQs for Seymoor pond beach

Is the sea warm enough to swim in Seymoor pond beach today?

Typical sea surface temperature in Seymoor pond beach this time of year is 19.2°C (66.6°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 Seymoor pond beach?

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

What is the typical water temperature in Seymoor pond beach in September?

Historically in September, water temperatures in Seymoor pond beach average around19.2°C (66.6°F), fluctuating between a recorded minimum of 15.9°C and a maximum of 22.1°C.

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Seymoor pond beach Coastal Zone Map

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