All data are in degrees Fahrenheit

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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.
Sea temperature in Saint Peter Port now

62.1

°F

October 22, 13:05

Trend:

decreasing

Yesterday:

62.4°F

Tomorrow:

62.0°F

Sunrise:

07:42

Sunset:

18:07

Day Length:

10 h. 25 min.

Saint Peter Port in October

Minimum:

51.2°F

Average:

52.2°F

Maximum:

53.5°F

Sea water temperature in Saint Peter Port today

As of now, in Saint Peter Port, the water temperature is 62.1°F. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it. Today's reading is 1.1°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 is considerably 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 62.3°F on 2023, while the historical minimum was 60.2°F on 2020.

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 shows a gradual cooling trend. The average temperature is expected to be 61.7°F, the minimum temperature may reach 61.4°F, and the maximum might stay at 62.0°F.

Daily water temperature in Saint Peter Port

Date Current Year

actual* / forecast**

last year 10 years average
Oct 8 64.3°F 61.3°F 62.2°F
Oct 9 64.2°F 61.4°F 62.2°F
Oct 10 63.7°F 61.3°F 62.0°F
Oct 11 63.6°F 61.2°F 61.9°F
Oct 12 63.6°F 61.3°F 61.9°F
Oct 13 63.5°F 61.6°F 61.8°F
Oct 14 63.5°F 61.4°F 62.0°F
Oct 15 63.6°F 61.4°F 61.7°F
Oct 16 63.6°F 61.1°F 61.6°F
Oct 17 63.0°F 61.1°F 61.5°F
Oct 18 62.3°F 61.2°F 61.4°F
Oct 19 62.4°F 60.4°F 61.4°F
Oct 20 62.4°F 60.9°F 61.3°F
Oct 21 62.4°F 60.5°F 61.3°F
Oct 22 62.1°F 60.5°F 61.0°F
Oct 23 62.0°F 60.5°F 60.9°F
Oct 24 62.0°F 60.2°F 60.9°F
Oct 25 61.8°F 60.2°F 60.7°F
Oct 26 61.7°F 60.0°F 60.6°F
Oct 27 61.6°F 59.7°F 60.5°F
Oct 28 61.4°F 59.5°F 60.3°F
Oct 29 61.4°F 59.3°F 60.3°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 7, 2026, reaching a 65.6°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, 51.2°F in Spring, 60.2°F in Summer, and 61.0°F in Autumn.