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 8.39°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.

47.1

°F

March 16, 04:05

Trend:

increasing

Yesterday:

46.8°F

Tomorrow:

47.3°F

Sunrise:

06:30

Sunset:

18:22

Day Length:

11 h. 52 min.

Caernarfon in March

Minimum:

46.7°F

Average:

48.0°F

Maximum:

50.1°F

Sea water temperature in Caernarfon today

As of now, in Caernarfon, the water temperature is 47.1°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. 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

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 46.9°F on 2017, while the historical minimum was 43.7°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 47.7°F, with minimum temperature starting at 47.3°F, while the maximum might reach 48.2°F.

Daily water temperature in Caernarfon

Date	Current Year actual* / forecast**	last year	10 years average
Mar 2	46.1°F	46.4°F	45.7°F
Mar 3	46.1°F	46.3°F	45.7°F
Mar 4	46.3°F	46.1°F	45.6°F
Mar 5	47.3°F	46.1°F	45.6°F
Mar 6	46.9°F	45.9°F	45.5°F
Mar 7	46.5°F	46.5°F	45.5°F
Mar 8	46.3°F	46.6°F	45.4°F
Mar 9	46.3°F	46.6°F	45.3°F
Mar 10	46.5°F	46.8°F	45.4°F
Mar 11	46.6°F	47.0°F	45.4°F
Mar 12	47.1°F	46.9°F	45.5°F
Mar 13	46.9°F	46.7°F	45.4°F
Mar 14	46.7°F	46.3°F	45.4°F
Mar 15	46.8°F	46.2°F	45.1°F
Mar 16	47.1°F	46.1°F	45.4°F
Mar 17	47.3°F	46.4°F	45.7°F
Mar 18	47.3°F	45.9°F	45.7°F
Mar 19	47.5°F	46.2°F	45.9°F
Mar 20	47.6°F	46.5°F	45.9°F
Mar 21	47.9°F	46.9°F	46.2°F
Mar 22	48.1°F	47.2°F	46.4°F
Mar 23	48.2°F	47.3°F	46.5°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 47.3°F in Winter, 49.3°F in Spring, 60.2°F in Summer, and 57.3°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Bangor	45.4°F	8mi
Holyhead	47.3°F	19mi
Conwy	45.7°F	21mi
Aberystwyth	47.3°F	51mi

* current water temperature in this city

** straight line distance from Caernarfon