Swimming in Portrush in april 2026: Average sea temperature in april and tide times in april 2026
Average sea temperature in Portrush in april 2026.
In april, according to seasonal norms, the sea temperature in Portrush is:
Minimum: 47°F
Average: 49°F
Maximum: 51°F
Other useful seasonal weather averages in april:
- Outside temperature: 44°F to 51°F
- Most common weather: "Partly Cloudy"
- The wind blows at 2.5mph
- It rains a total of 3.2in, over 5 day(s).
Should we swim in Portrush in april?
No... The water temperature in Portrush in april is freezing
You won't be able to swim in Portrush in april! The water temperature is freezing, reaching as low as 47°F (and only 51°F at best)! Our advice: if you are going to Portrush this month, plan to sightsee and forget the beach!
Note also that in april, the climate is bad with an average outside temperature of 47°F, 3.2in of precipitation (over 5 days) and 87.06 % humidity.
Water and normal seasonal temperatures in Portrush in april
| April | |||
| Average sea temperature | 49°F | ||
| Minimum sea temperature | 47°F | ||
| Maximum sea temperature | 51°F | ||
| Average outside temperature | 49°F | ||
| Maximum outside temperature | 52°F | ||
| Minimum outside temperature | 45°F | ||
| Wind speed | 15.5mph | ||
| Wind temperature | 40°F | ||
| Precipitation | 3.2in | ||
| Number of days of rain | 5 jour(s) (18%) | ||
| Humidity | 88% | ||
| Visibility in kilometers | 9.11km | ||
| Cloud cover | 52% | ||
| Our opinion | freezing swimming |
Chart of the tides in april 2026
Tide times in april 2026 in Portrush
Swim elsewhere in Northern Ireland in april
| City | Average T° | Min. T° | Max. T° | Our opinion | Belfast in april | 48°F | 50°F | freezing swimming | Derry (Londonderry) in april | 49°F | 51°F | freezing swimming | Portstewart in april | 49°F | 51°F | freezing swimming |