Swimming in Portland in march 2025: Average sea temperature in march and tide times in march 2025

Average sea temperature in Portland in march 2025.

In march, according to seasonal norms, the sea temperature in Portland is:

Minimum: 46°F

Average: 49°F

Maximum: 52°F

Other useful seasonal weather averages in march:

  • Outside temperature: 41°F to 53°F
  • Most common weather: "Moderate rain at times"
  • The wind blows at 2.5mph
  • It rains a total of 8.2in, over 12 day(s).

Should we swim in Portland in march?

No... The water temperature in Portland in march is freezing

You won't be able to swim in Portland in march! The water temperature is freezing, reaching as low as 46°F (and only 52°F at best)! Our advice: if you are going to Portland this month, plan to sightsee and forget the beach!

Note also that in march, the climate is very bad with an average outside temperature of 47°F, 8.2in of precipitation (over 12 days) and 88.33 % humidity.

Water and normal seasonal temperatures in Portland in march

March
Average sea temperature 49°F
Minimum sea temperature 46°F
Maximum sea temperature 52°F
Average outside temperature 49°F
Maximum outside temperature 54°F
Minimum outside temperature 41°F
Wind speed 7.5mph
Wind temperature 40°F
Precipitation 8.2in
Number of days of rain 12 jour(s)
(40%)
Humidity 89%
Visibility in kilometers 8.43km
Cloud cover 55%
Our opinion freezing swimming

Chart of the tides in march 2025

Tide times in march 2025 in Portland

Swim elsewhere in the United States (USA) in march

City Average T° Max. T° Our opinion
California in march59°F62°Ffreezing swimming
Washington D. C. in march47°F50°Ffreezing swimming
Boston in march39°F42°Ffreezing swimming
Miami (Florida) in march76°F81°Fpleasant swimming
New York City in march40°F44°Ffreezing swimming
Seattle in march46°F49°Ffreezing swimming
Houston in march63°F71°Fcool swimming
Long Beach (Washington) in march49°F53°Ffreezing swimming
Myrtle Beach in march57°F61°Ffreezing swimming
Philadelphia in march41°F45°Ffreezing swimming
Atlantic City in march41°F45°Ffreezing swimming
Baltimore in march45°F49°Ffreezing swimming
Bar Harbor (Maine) in march39°F42°Ffreezing swimming
Brooklyn in march41°F45°Ffreezing swimming
Cape Cod National Seashore in march40°F42°Ffreezing swimming
Carolina Beach in march59°F65°Ffreezing swimming
Gulf Shores (Alabama) in march64°F71°Fcool swimming
Hampton Beach in march39°F42°Ffreezing swimming
Maryland in march46°F49°Ffreezing swimming
Mobile (Alabama) in march64°F71°Fcool swimming

Swim in the United States (USA) in march: sea temperature by city

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