What is the current water temperature in Caernarfon?

Q: What is the current water temperature in Caernarfon?

As of now, in Caernarfon, the water temperature is 10.19°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 > Caernarfon

Water temperature in Caernarfon

Detailed information about the current water temperature in Caernarfon. 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.

50.3

°F

April 18, 20:24

Trend:

stable

Yesterday:

50.6°F

Tomorrow:

50.6°F

Sunrise:

06:12

Sunset:

20:22

Day Length:

14 h. 10 min.

Caernarfon in April

Minimum:

46.6°F

Average:

48.3°F

Maximum:

50.3°F

Sea water temperature in Caernarfon today

As of now, in Caernarfon, the water temperature is 50.3°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 1.7°F higher than the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. 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 is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 50.1°F on 2020, while the historical minimum was 46.4°F on 2018.

latest data

last year

Observations from the last two weeks indicate that the water temperature was in proximity to the highest values recorded on those days in the past. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 51.3°F, with minimum temperature starting at 50.6°F, while the maximum might reach 51.7°F.

Daily water temperature in Caernarfon

Date	Current Year actual* / forecast**	last year	10 years average
Apr 4	49.1°F	47.6°F	47.2°F
Apr 5	49.2°F	47.5°F	47.4°F
Apr 6	49.4°F	47.6°F	47.5°F
Apr 7	50.1°F	48.2°F	47.8°F
Apr 8	50.5°F	48.6°F	47.9°F
Apr 9	50.7°F	48.6°F	48.0°F
Apr 10	50.5°F	49.5°F	48.1°F
Apr 11	50.6°F	49.5°F	48.2°F
Apr 12	51.7°F	49.4°F	48.3°F
Apr 13	51.3°F	49.3°F	48.3°F
Apr 14	51.5°F	49.9°F	48.5°F
Apr 15	51.2°F	49.8°F	48.7°F
Apr 16	50.9°F	49.9°F	48.8°F
Apr 17	50.6°F	50.1°F	48.8°F
Apr 18	50.3°F	49.5°F	48.7°F
Apr 19	50.6°F	49.4°F	49.0°F
Apr 20	50.9°F	50.0°F	49.3°F
Apr 21	51.2°F	50.7°F	49.6°F
Apr 22	51.4°F	50.4°F	49.8°F
Apr 23	51.5°F	50.2°F	49.9°F
Apr 24	51.5°F	50.5°F	49.9°F
Apr 25	51.7°F	50.5°F	50.0°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 Caernarfon by month

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

The warmest water in Caernarfon was recorded on July 22, 2021, reaching a 66.9°F. While the coldest temperature occurred on March 11, 2018, dipping to 42.3°F. The average readings by season are 47.4°F in Winter, 49.0°F in Spring, 59.8°F in Summer, and 57.3°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Bangor	48.9°F	8mi
Holyhead	49.2°F	19mi
Conwy	49.2°F	21mi
Aberystwyth	49.7°F	51mi

* current water temperature in this city

** straight line distance from Caernarfon