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

Average sea temperature in Portstewart in march 2025.

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

Minimum: 46°F

Average: 48°F

Maximum: 49°F

Other useful seasonal weather averages in march:

  • Outside temperature: 41°F to 48°F
  • Most common weather: "Cloudy"
  • The wind blows at 0.6mph
  • It rains a total of 4.1in, over 8 day(s).

Should we swim in Portstewart in march?

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

You won't be able to swim in Portstewart in march! The water temperature is freezing, reaching as low as 46°F (and only 49°F at best)! Our advice: if you are going to Portstewart 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 45°F, 4.1in of precipitation (over 8 days) and 86.78 % humidity.

Water and normal seasonal temperatures in Portstewart in march

March
Average sea temperature 48°F
Minimum sea temperature 46°F
Maximum sea temperature 49°F
Average outside temperature 45°F
Maximum outside temperature 49°F
Minimum outside temperature 41°F
Wind speed 18.6mph
Wind temperature 34°F
Precipitation 4.1in
Number of days of rain 8 jour(s)
(25%)
Humidity 87%
Visibility in kilometers 8.82km
Cloud cover 61%
Our opinion freezing swimming

Chart of the tides in march 2025

Tide times in march 2025 in Portstewart

Swim elsewhere in Northern Ireland in march

City Average T° Max. T° Our opinion
Belfast in march47°F49°Ffreezing swimming
Derry (Londonderry) in march48°F50°Ffreezing swimming
Portrush in march48°F49°Ffreezing swimming

Swim in Northern Ireland in march: sea temperature by city

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