What is the current water temperature in Saint Peter Port?

Q: What is the current water temperature in Saint Peter Port?

As of now, in Saint Peter Port, the water temperature is 10.77°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 > Saint Peter Port

Water temperature in Saint Peter Port

Detailed information about the current water temperature in Saint Peter Port. 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.

51.4

°F

April 2, 19:27

Trend:

decreasing

Yesterday:

51.5°F

Tomorrow:

51.3°F

Sunrise:

06:46

Sunset:

19:43

Day Length:

12 h. 57 min.

Saint Peter Port in April

Minimum:

51.7°F

Average:

52.8°F

Maximum:

54.2°F

Sea water temperature in Saint Peter Port today

As of now, in Saint Peter Port, the water temperature is 51.4°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 1.5°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 stay about the same.

Recent sea temperature and forecast

Today's water temperature slightly varies from the average of the past two weeks. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 51.4°F on 2026, while the historical minimum was 47.6°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 51.4°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Saint Peter Port

Date	Current Year actual* / forecast**	last year	10 years average
Mar 19	51.6°F	49.6°F	49.6°F
Mar 20	51.7°F	49.5°F	49.5°F
Mar 21	51.5°F	49.6°F	49.4°F
Mar 22	51.5°F	49.8°F	49.4°F
Mar 23	51.4°F	49.8°F	49.5°F
Mar 24	51.0°F	49.9°F	49.5°F
Mar 25	51.3°F	49.7°F	49.6°F
Mar 26	51.1°F	49.9°F	49.7°F
Mar 27	50.9°F	49.9°F	49.6°F
Mar 28	51.0°F	49.5°F	49.6°F
Mar 29	51.3°F	50.1°F	49.7°F
Mar 30	51.3°F	50.2°F	49.7°F
Mar 31	51.6°F	50.5°F	49.9°F
Apr 1	51.5°F	50.6°F	49.9°F
Apr 2	51.4°F	50.6°F	49.9°F
Apr 3	51.3°F	50.5°F	49.8°F
Apr 4	51.3°F	50.5°F	49.8°F
Apr 5	51.4°F	50.9°F	49.9°F
Apr 6	51.4°F	50.7°F	49.9°F
Apr 7	51.5°F	51.2°F	50.0°F
Apr 8	51.7°F	51.1°F	50.1°F
Apr 9	51.5°F	50.9°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 Saint Peter Port by month

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

The warmest water in Saint Peter Port was recorded on September 9, 2023, reaching a 65.4°F. While the coldest temperature occurred on March 22, 2018, dipping to 46.8°F. The average readings by season are 52.0°F in Winter, 51.1°F in Spring, 60.1°F in Summer, and 60.9°F in Autumn.