Traeth Morfa Bychan / Black Rock Sands Sea Water Temperature
A temperate beach on the Irish Sea, warmest around August at about 17.2°C. Today's reading, 7-day forecast, and monthly averages below.
Traeth Morfa Bychan / Black Rock Sands water temperature
Invigorating and crisp. Tolerable for active swimming, but chilly for prolonged casual bathing.
7-Day Water Temperature Forecast
Traeth Morfa Bychan / Black Rock Sands Monthly Water Temperature Averages
Historical monthly climatology. The warmest water in Traeth Morfa Bychan / Black Rock Sands occurs inJune, July, August, September — peaking at17.2°C (63°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 | 6.8°C | 8°C | 10.1°C | Very Cold (< 16°C) |
| February | 5.7°C | 7.4°C | 8.9°C | Very Cold (< 16°C) |
| March | 5.8°C | 7.5°C | 10°C | Very Cold (< 16°C) |
| April | 8°C | 9.6°C | 11.2°C | Very Cold (< 16°C) |
| May | 9.9°C | 12°C | 13.7°C | Very Cold (< 16°C) |
| June | 12.6°C | 14.8°C | 16.8°C | Very Cold (< 16°C) |
| July | 13.6°C | 16.5°C | 18.8°C | Cool / Refreshing (16°C – 20°C) |
| August | 16.4°C | 17.2°C | 18.7°C | Cool / Refreshing (16°C – 20°C) |
| SeptemberCurrent | 14.5°C | 16.4°C | 18.9°C | Cool / Refreshing (16°C – 20°C) |
| October | 12.5°C | 14.3°C | 16.2°C | Very Cold (< 16°C) |
| November | 9.2°C | 11.4°C | 13.5°C | Very Cold (< 16°C) |
| December | 8.7°C | 9.6°C | 10.7°C | Very Cold (< 16°C) |
Swimming FAQs for Traeth Morfa Bychan / Black Rock Sands
Is the sea warm enough to swim in Traeth Morfa Bychan / Black Rock Sands today?
Typical sea surface temperature in Traeth Morfa Bychan / Black Rock Sands this time of year is 16.4°C (61.5°F) — classified as Cool / Refreshing (16°C – 20°C). Invigorating and crisp. Tolerable for active swimming, but chilly for prolonged casual bathing. Live readings load automatically.
What are the warmest months for swimming in Traeth Morfa Bychan / Black Rock Sands?
The highest water temperatures in Traeth Morfa Bychan / Black Rock Sands typically occur duringJune, July, August, September, when monthly averages reach peak seasonal levels.
What is the typical water temperature in Traeth Morfa Bychan / Black Rock Sands in September?
Historically in September, water temperatures in Traeth Morfa Bychan / Black Rock Sands average around16.4°C (61.5°F), fluctuating between a recorded minimum of 14.5°C and a maximum of 18.9°C.