NOAA Logo National Centers for Environmental Information

formerly the National Oceanographic Data Center (NODC)...  more on NCEI

NOAA Satellite and Information Service

You are here: HomeAccess DataCoastal Water Temperature Guide › Coastal Water Temperature Table

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: Tue Dec 10, 00:30:45 UTC 2019
Location Recent
Temperatures
DEC JAN FEB MAR APR
1-15
APR
16-30
MAY
1-15
MAY
16-31
Bar Harbor, ME 44 38 36 38 42 45 47 51
Eastport ME 45 40 37 38 39 41 43 44
Portland
ME
45.9
(12/09/2019 23:50 UTC)
39 34 33 37 39 41 47 51
Portsmouth
Harbor NH
41 40 35 37 41 45 48 52
Boston, MA 42 40 36 41 45 49 54 58
Fall River
MA
44 37 36 41 47 51 55 60
Woods
Hole MA
41 34 35 37 44 47 54 56
Conimicut
Light RI
43 38 37 41 46 51 56 60
Quonset
Point RI
43 38 37 40 45 49 51 53
Newport
RI
44 37 36 37 44 48 52 57
Providence
RI
43 39 37 41 46 51 55 59
New Haven
CT
47 42 36 40 46 50 55 60
New London
CT
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)