What is the current water temperature in Castel?

Q: What is the current water temperature in Castel?

As of now, in Castel, the water temperature is 12.86°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.

Guernsey > Castel

Water temperature in Castel

Detailed information about the current water temperature in Castel. 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.

55.1

°F

December 15, 22:13

Trend:

decreasing

Yesterday:

55.5°F

Tomorrow:

55.0°F

Sunrise:

08:00

Sunset:

16:11

Day Length:

8 h. 11 min.

Castel in December

Minimum:

51.1°F

Average:

52.3°F

Maximum:

53.2°F

Sea water temperature in Castel today

As of now, in Castel, the water temperature is 55.1°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 0.5°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 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 maximum temperature for this date. The maximum temperature recorded for this date was 55.5°F on 2015, while the historical minimum was 53.8°F on 2019.

latest data

last year

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the maximum recorded over the past years. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 54.7°F, the minimum temperature may reach 54.4°F, and the maximum might stay at 55.0°F.

Daily water temperature in Castel

Date	Current Year actual* / forecast**	last year	10 years average
Dec 1	56.3°F	57.1°F	56.4°F
Dec 2	56.1°F	57.0°F	56.1°F
Dec 3	56.3°F	56.9°F	56.0°F
Dec 4	56.0°F	56.6°F	55.9°F
Dec 5	55.9°F	56.4°F	55.7°F
Dec 6	55.8°F	56.4°F	55.5°F
Dec 7	55.9°F	56.5°F	55.5°F
Dec 8	55.7°F	56.6°F	55.5°F
Dec 9	55.8°F	56.4°F	55.3°F
Dec 10	55.6°F	55.9°F	55.1°F
Dec 11	55.7°F	55.8°F	55.0°F
Dec 12	55.3°F	55.6°F	54.9°F
Dec 13	55.1°F	55.4°F	54.7°F
Dec 14	55.5°F	55.2°F	54.8°F
Dec 15	55.1°F	55.0°F	54.6°F
Dec 16	55.0°F	54.9°F	54.5°F
Dec 17	54.8°F	54.4°F	54.3°F
Dec 18	54.8°F	54.5°F	54.2°F
Dec 19	54.7°F	54.5°F	54.2°F
Dec 20	54.6°F	54.3°F	54.1°F
Dec 21	54.5°F	54.2°F	54.0°F
Dec 22	54.4°F	54.4°F	53.8°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 Castel by month

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

The warmest water in Castel was recorded on September 9, 2023, reaching a 65.4°F. While the coldest temperature occurred on March 22, 2018, dipping to 47.0°F. The average readings by season are 52.1°F in Winter, 51.0°F in Spring, 60.0°F in Summer, and 60.9°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Saint Peter Port	55.0°F	3mi
Cherbourg-Octeville	54.9°F	46mi
Saint-Malo	51.5°F	63mi

* current water temperature in this city

** straight line distance from Castel