Water Temperature Table of the Northern Atlantic Coast

IMPORTANT NOTICES:

  • The table below shows the near real-time and average water temperatures in degrees Fahrenheit (°F).
  • Clicking on the hyperlinked "Recent Temperatures" will display station information for the location.
  • Non-linked temperatures in the monthly columns are average water temperatures. (Complete List of Average Temperatures)
  • Use the near real-time water temperature data with discretion, because they may contain errors.

Water Temperature Table of the Northern Atlantic Coast (Google Maps-based Web page)
Last Updated: Mon Dec 21, 20:31:55 UTC 2020
Location Recent
Temperatures
DEC JAN FEB MAR APR
1-15
APR
16-30
MAY
1-15
MAY
16-31
Bar Harbor, ME 42.6
(12/21/2020 20:18 UTC)
44 38 36 38 42 45 47 51
Eastport ME 45.3
(12/21/2020 20:24 UTC)
45 40 37 38 39 41 43 44
Portland
ME
41.7
(12/21/2020 20:10 UTC)
39 34 33 37 39 41 47 51
Portsmouth
Harbor NH
41 40 35 37 41 45 48 52
Boston, MA 40.5
(12/21/2020 20:12 UTC)
42 40 36 41 45 49 54 58
Fall River
MA
47.3
(12/21/2020 20:24 UTC)
44 37 36 41 47 51 55 60
Woods
Hole MA
41.9
(12/21/2020 20:24 UTC)
41 34 35 37 44 47 54 56
Conimicut
Light RI
42.4
(12/21/2020 20:24 UTC)
43 38 37 41 46 51 56 60
Quonset
Point RI
41.7
(12/21/2020 20:24 UTC)
43 38 37 40 45 49 51 53
Newport
RI
44.4
(12/21/2020 20:24 UTC)
44 37 36 37 44 48 52 57
Providence
RI
43.0
(12/21/2020 20:12 UTC)
43 39 37 41 46 51 55 59
New Haven
CT
40.5
(12/21/2020 20:24 UTC)
47 42 36 40 46 50 55 60
New London
CT
47.5
(12/21/2020 20:12 UTC)
42 37 37 40 47 51 54 59
To convert temperature units, enter a number in either box below, then click the other box.
Temperature Conversion:  Deg. Fahrenheit (°F) = Deg.Celsius (°C)