Portstewart Strand Sea Water Temperature
A cool beach on the Inner Seas off the West Coast of Scotland, warmest around September at about 14.3°C. Today's reading, 7-day forecast, and monthly averages below.
Portstewart Strand water temperature
Wetsuit strongly recommended. Sudden entry may cause cold shock. Suitable only for brief, brisk plunges.
7-Day Water Temperature Forecast
Portstewart Strand Monthly Water Temperature Averages
Historical monthly climatology. The warmest water in Portstewart Strand occurs inJuly, August, September, October — peaking at14.3°C (57.7°F) in September.
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 | 8.1°C | 9.2°C | 11°C | Very Cold (< 16°C) |
| February | 7.5°C | 8.3°C | 9.2°C | Very Cold (< 16°C) |
| March | 6.8°C | 8°C | 8.9°C | Very Cold (< 16°C) |
| April | 7.1°C | 8.4°C | 9.5°C | Very Cold (< 16°C) |
| May | 8.1°C | 9.5°C | 11°C | Very Cold (< 16°C) |
| June | 9.9°C | 11.2°C | 12.8°C | Very Cold (< 16°C) |
| July | 11.8°C | 12.6°C | 14.4°C | Very Cold (< 16°C) |
| August | 13.3°C | 13.9°C | 14.5°C | Very Cold (< 16°C) |
| SeptemberCurrent | 13.3°C | 14.3°C | 15.1°C | Very Cold (< 16°C) |
| October | 12.8°C | 13.6°C | 14.9°C | Very Cold (< 16°C) |
| November | 9.8°C | 12°C | 13.7°C | Very Cold (< 16°C) |
| December | 9.5°C | 10.5°C | 12.2°C | Very Cold (< 16°C) |
Swimming FAQs for Portstewart Strand
Is the sea warm enough to swim in Portstewart Strand today?
Typical sea surface temperature in Portstewart Strand this time of year is 14.3°C (57.7°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 Portstewart Strand?
The highest water temperatures in Portstewart Strand typically occur duringJuly, August, September, October, when monthly averages reach peak seasonal levels.
What is the typical water temperature in Portstewart Strand in September?
Historically in September, water temperatures in Portstewart Strand average around14.3°C (57.7°F), fluctuating between a recorded minimum of 13.3°C and a maximum of 15.1°C.