What is the current water temperature in Conwy?

Q: What is the current water temperature in Conwy?

As of now, in Conwy, the water temperature is 6.03°C. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration.

United Kingdom > Conwy

Water temperature in Conwy

Detailed information about the current water temperature in Conwy. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.

42.9

°F

February 16, 16:47

Trend:

increasing

Yesterday:

42.7°F

Tomorrow:

43.0°F

Sunrise:

07:32

Sunset:

17:28

Day Length:

9 h. 56 min.

Conwy in February

Minimum:

44.8°F

Average:

46.7°F

Maximum:

48.8°F

Sea water temperature in Conwy today

As of now, in Conwy, the water temperature is 42.9°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 1.0°F lower than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to rise a bit.

Recent sea temperature and forecast

Today's water temperature is slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. It also falls within the range of the average temperature recorded for this date, suggesting a consistent weather trend. The maximum temperature recorded for this date was 45.5°F on 2024, while the historical minimum was 41.6°F on 2021.

latest data

last year

Over the last two weeks, the water temperature has stayed slightly lower than historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 43.2°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Conwy

Date	Current Year actual* / forecast**	last year	10 years average
Feb 2	42.8°F	43.8°F	44.6°F
Feb 3	43.4°F	44.2°F	44.6°F
Feb 4	43.3°F	44.0°F	44.5°F
Feb 5	43.1°F	44.0°F	44.4°F
Feb 6	43.3°F	43.8°F	44.3°F
Feb 7	42.6°F	43.9°F	44.2°F
Feb 8	42.8°F	43.8°F	44.4°F
Feb 9	42.9°F	43.7°F	44.3°F
Feb 10	42.8°F	43.5°F	44.3°F
Feb 11	43.1°F	43.6°F	44.4°F
Feb 12	42.7°F	43.4°F	44.2°F
Feb 13	43.4°F	43.5°F	44.2°F
Feb 14	43.2°F	42.4°F	44.1°F
Feb 15	42.7°F	42.6°F	43.9°F
Feb 16	42.9°F	42.2°F	43.9°F
Feb 17	43.0°F	42.3°F	44.0°F
Feb 18	42.9°F	42.4°F	43.9°F
Feb 19	43.0°F	42.5°F	44.0°F
Feb 20	43.0°F	42.5°F	44.0°F
Feb 21	43.3°F	43.4°F	44.3°F
Feb 22	43.3°F	42.4°F	44.3°F
Feb 23	43.6°F	43.5°F	44.6°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in Conwy by month

In an average year, Conwy offers no days when the water temperature is warm enough to swim comfortably.

The warmest water in Conwy was recorded on August 18, 2025, reaching a 66.8°F. While the coldest temperature occurred on March 9, 2018, dipping to 40.2°F. The average readings by season are 45.8°F in Winter, 48.5°F in Spring, 60.9°F in Summer, and 56.9°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Bangor	43.8°F	13mi
Caernarfon	44.8°F	21mi
Holyhead	46.2°F	33mi
Birkenhead	41.8°F	35mi
Liverpool	42.1°F	36mi

* current water temperature in this city

** straight line distance from Conwy