Boyce's Bay Sea Water Temperature
A temperate beach on the Celtic Sea, warmest around August at about 15.3°C. Today's reading, 7-day forecast, and monthly averages below.
Boyce's Bay water temperature
Wetsuit strongly recommended. Sudden entry may cause cold shock. Suitable only for brief, brisk plunges.
7-Day Water Temperature Forecast
Boyce's Bay Monthly Water Temperature Averages
Historical monthly climatology. The warmest water in Boyce's Bay occurs inJuly, August, September, October — peaking at15.3°C (59.5°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 | 8.1°C | 9.4°C | 10.4°C | Very Cold (< 16°C) |
| February | 7.8°C | 8.8°C | 9.7°C | Very Cold (< 16°C) |
| March | 7.9°C | 8.8°C | 10°C | Very Cold (< 16°C) |
| April | 8°C | 9.8°C | 11.9°C | Very Cold (< 16°C) |
| May | 9.9°C | 11.6°C | 14.1°C | Very Cold (< 16°C) |
| June | 12.5°C | 13.8°C | 15.9°C | Very Cold (< 16°C) |
| July | 13.4°C | 15.1°C | 17.4°C | Very Cold (< 16°C) |
| August | 14.3°C | 15.3°C | 17°C | Very Cold (< 16°C) |
| SeptemberCurrent | 13.9°C | 15.2°C | 17.2°C | Very Cold (< 16°C) |
| October | 12.9°C | 14.2°C | 15.4°C | Very Cold (< 16°C) |
| November | 9.9°C | 12.4°C | 13.9°C | Very Cold (< 16°C) |
| December | 9.3°C | 10.7°C | 11.9°C | Very Cold (< 16°C) |
Swimming FAQs for Boyce's Bay
Is the sea warm enough to swim in Boyce's Bay today?
Typical sea surface temperature in Boyce's Bay this time of year is 15.2°C (59.4°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 Boyce's Bay?
The highest water temperatures in Boyce's Bay typically occur duringJuly, August, September, October, when monthly averages reach peak seasonal levels.
What is the typical water temperature in Boyce's Bay in September?
Historically in September, water temperatures in Boyce's Bay average around15.2°C (59.4°F), fluctuating between a recorded minimum of 13.9°C and a maximum of 17.2°C.