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 11.58°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.

52.8

°F

April 29, 16:43

Trend:

increasing

Yesterday:

52.3°F

Tomorrow:

53.0°F

Sunrise:

05:53

Sunset:

20:24

Day Length:

14 h. 31 min.

Castel in May

Minimum:

52.0°F

Average:

52.8°F

Maximum:

54.0°F

Sea water temperature in Castel today

As of now, in Castel, the water temperature is 52.8°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

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 52.4°F on 2024, while the historical minimum was 49.6°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. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 53.2°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Castel

Date	Current Year actual* / forecast**	last year	10 years average
Apr 15	51.2°F	51.9°F	50.5°F
Apr 16	51.0°F	52.1°F	50.6°F
Apr 17	51.3°F	52.0°F	50.5°F
Apr 18	51.5°F	52.2°F	50.6°F
Apr 19	51.6°F	52.3°F	50.8°F
Apr 20	52.4°F	52.2°F	50.8°F
Apr 21	52.1°F	52.1°F	51.0°F
Apr 22	52.2°F	52.3°F	51.2°F
Apr 23	52.0°F	51.8°F	51.2°F
Apr 24	52.4°F	51.9°F	51.2°F
Apr 25	52.1°F	52.2°F	51.2°F
Apr 26	52.4°F	52.1°F	51.3°F
Apr 27	52.3°F	51.8°F	51.2°F
Apr 28	52.3°F	51.8°F	51.2°F
Apr 29	52.8°F	52.4°F	51.2°F
Apr 30	53.0°F	52.8°F	51.3°F
May 1	53.0°F	52.4°F	51.3°F
May 2	52.9°F	52.3°F	51.2°F
May 3	53.1°F	52.7°F	51.4°F
May 4	53.2°F	53.1°F	51.5°F
May 5	53.4°F	53.2°F	51.7°F
May 6	53.6°F	52.8°F	51.9°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, 50.9°F in Spring, 59.9°F in Summer, and 60.9°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Saint Peter Port	52.7°F	3mi
Cherbourg-Octeville	52.4°F	46mi
Saint-Malo	55.3°F	63mi

* current water temperature in this city

** straight line distance from Castel