Seapoint Sea Water Temperature
A cool beach on the Irish Sea, warmest around August at about 15.2°C. Today's reading, 7-day forecast, and monthly averages below.
Seapoint water temperature
Wetsuit strongly recommended. Sudden entry may cause cold shock. Suitable only for brief, brisk plunges.
7-Day Water Temperature Forecast
Seapoint Monthly Water Temperature Averages
Historical monthly climatology. The warmest water in Seapoint occurs inJuly, August, September, October — peaking at15.2°C (59.4°F) in August.
Year-Round Water Temperature Curve (°C / °F)
Hover a bar for detailsFull 12-month data table — min / avg / max & swimming comfort
| Month | Min Water Temp | Average Water Temp | Max Water Temp | Swimming Comfort |
|---|---|---|---|---|
| January | 7.8°C | 9.4°C | 10.9°C | Very Cold (< 16°C) |
| February | 6.2°C | 8.1°C | 9.6°C | Very Cold (< 16°C) |
| March | 6.4°C | 8°C | 9.4°C | Very Cold (< 16°C) |
| April | 7.8°C | 9°C | 10.2°C | Very Cold (< 16°C) |
| May | 9.1°C | 10.9°C | 12.9°C | Very Cold (< 16°C) |
| June | 10.9°C | 13.3°C | 14.7°C | Very Cold (< 16°C) |
| July | 12.9°C | 14.9°C | 18.4°C | Very Cold (< 16°C) |
| August | 13.9°C | 15.2°C | 16.9°C | Very Cold (< 16°C) |
| SeptemberCurrent | 13.3°C | 14.7°C | 16.4°C | Very Cold (< 16°C) |
| October | 12.8°C | 13.7°C | 15.3°C | Very Cold (< 16°C) |
| November | 10.9°C | 12.2°C | 13.7°C | Very Cold (< 16°C) |
| December | 9.2°C | 10.6°C | 12.1°C | Very Cold (< 16°C) |
Swimming FAQs for Seapoint
Is the sea warm enough to swim in Seapoint today?
Typical sea surface temperature in Seapoint this time of year is 14.7°C (58.5°F) — classified as Very Cold (< 16°C). Wetsuit strongly recommended. Sudden entry may cause cold shock. Suitable only for brief, brisk plunges. Live readings load automatically.
What are the warmest months for swimming in Seapoint?
The highest water temperatures in Seapoint typically occur duringJuly, August, September, October, when monthly averages reach peak seasonal levels.
What is the typical water temperature in Seapoint in September?
Historically in September, water temperatures in Seapoint average around14.7°C (58.5°F), fluctuating between a recorded minimum of 13.3°C and a maximum of 16.4°C.