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 13.17°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.

55.7

°F

October 22, 08:43

Trend:

decreasing

Yesterday:

55.9°F

Tomorrow:

55.5°F

Sunrise:

07:58

Sunset:

18:04

Day Length:

10 h. 6 min.

Caernarfon in October

Minimum:

45.8°F

Average:

47.6°F

Maximum:

49.4°F

Sea water temperature in Caernarfon today

As of now, in Caernarfon, the water temperature is 55.7°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 1.2°F lower 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 fall 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 minimum temperature for this date. The maximum temperature recorded for this date was 57.8°F on 2023, while the historical minimum was 55.8°F on 2020.

latest data

last year

Observations from the last two weeks indicate that the water temperature was in proximity to the lowest values recorded on those days in the past. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 55.2°F, the minimum temperature may reach 54.9°F, and the maximum might stay at 55.5°F.

Daily water temperature in Caernarfon

Date	Current Year actual* / forecast**	last year	10 years average
Oct 8	57.3°F	59.7°F	58.4°F
Oct 9	57.0°F	59.5°F	58.2°F
Oct 10	57.0°F	59.7°F	58.1°F
Oct 11	56.6°F	59.6°F	58.0°F
Oct 12	56.6°F	59.5°F	57.9°F
Oct 13	56.5°F	59.4°F	57.8°F
Oct 14	56.6°F	59.5°F	57.7°F
Oct 15	55.9°F	59.1°F	57.6°F
Oct 16	55.9°F	58.9°F	57.5°F
Oct 17	55.8°F	58.7°F	57.4°F
Oct 18	55.6°F	58.5°F	57.2°F
Oct 19	55.7°F	58.3°F	57.1°F
Oct 20	55.9°F	58.1°F	57.1°F
Oct 21	55.9°F	57.9°F	56.9°F
Oct 22	55.7°F	57.8°F	56.9°F
Oct 23	55.5°F	57.4°F	56.7°F
Oct 24	55.4°F	57.1°F	56.6°F
Oct 25	55.2°F	56.3°F	56.4°F
Oct 26	55.1°F	56.2°F	56.3°F
Oct 27	55.1°F	56.1°F	56.3°F
Oct 28	55.0°F	56.1°F	56.2°F
Oct 29	54.9°F	56.2°F	56.1°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 47.5°F in Winter, 49.0°F in Spring, 59.8°F in Summer, and 57.4°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Bangor	55.7°F	8mi
Holyhead	56.8°F	19mi
Conwy	55.3°F	21mi
Aberystwyth	56.3°F	51mi

* current water temperature in this city

** straight line distance from Caernarfon