Massachusetts, United States
James Bay41.74°N, 70.72°WStation UN-MAS-SWI

Swifts Neck Association Sea Water Temperature

A temperate beach on the James Bay, warmest around August at about 21.8°C. Today's reading, 7-day forecast, and monthly averages below.

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

Swifts Neck Association water temperature

20.2
68.4°FComfortable (20°C – 24°C)

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

+0°vs Sep avgJames Bay41.74°N, 70.72°W
Activity Index:SwimmingSnorkelingSurfingTypical conditions
Marine Atmosphere Grid Live Marine Feed
Coastal Air
22°C
71.1°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
20.2°C
68.4°F
Waves: 1m
Comfortable
ThuOct 1
20.5°C
68.9°F
Waves: 0.9m
Comfortable
FriOct 2
20.6°C
69.1°F
Waves: 0.7m
Comfortable
SatOct 3
20.5°C
68.9°F
Waves: 0.6m
Comfortable
SunOct 4
20.2°C
68.4°F
Waves: 0.7m
Comfortable
MonOct 5
19.9°C
67.8°F
Waves: 0.9m
Refreshing
TueOct 6
19.8°C
67.6°F
Waves: 1m
Refreshing
Forecast cooling trend: -0.4°C over 7 days at Swifts Neck Association.
Confidence: High

Swifts Neck Association Monthly Water Temperature Averages

Historical monthly climatology. The warmest water in Swifts Neck Association occurs inJune, July, August, September — peaking at21.8°C (71.2°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
12
May
17
Jun
21
Jul
22
Aug
Current
20
Sep
17
Oct
13
Nov
8
Dec
Full 12-month data table — min / avg / max & swimming comfort
MonthMin Water TempAverage Water TempMax Water TempSwimming Comfort
January2°C5.2°C8.9°CVery Cold (< 16°C)
February1.1°C3.1°C5.3°CVery Cold (< 16°C)
March-0.7°C3.6°C6.7°CVery Cold (< 16°C)
April3.1°C7.3°C11.4°CVery Cold (< 16°C)
May9.1°C11.8°C16.7°CVery Cold (< 16°C)
June10.2°C16.8°C19.5°CCool / Refreshing (16°C – 20°C)
July17.3°C20.6°C23.6°CComfortable (20°C – 24°C)
August18.8°C21.8°C24.7°CComfortable (20°C – 24°C)
SeptemberCurrent17.4°C20.2°C23.4°CComfortable (20°C – 24°C)
October13.8°C16.8°C19.9°CCool / Refreshing (16°C – 20°C)
November9.1°C12.6°C16.1°CVery Cold (< 16°C)
December5.7°C8.4°C11°CVery Cold (< 16°C)

Swimming FAQs for Swifts Neck Association

Is the sea warm enough to swim in Swifts Neck Association today?

Typical sea surface temperature in Swifts Neck Association this time of year is 20.2°C (68.4°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 Swifts Neck Association?

The highest water temperatures in Swifts Neck Association typically occur duringJune, July, August, September, when monthly averages reach peak seasonal levels.

What is the typical water temperature in Swifts Neck Association in September?

Historically in September, water temperatures in Swifts Neck Association average around20.2°C (68.4°F), fluctuating between a recorded minimum of 17.4°C and a maximum of 23.4°C.

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Swifts Neck Association Coastal Zone Map

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