What is the current water temperature in Ruhnu?

Q: What is the current water temperature in Ruhnu?

As of now, in Ruhnu, the water temperature is 15.43°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.

Estonia > Ruhnu

Water temperature in Ruhnu

Detailed information about the current water temperature in Ruhnu. 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.

59.8

°F

July 14, 11:01

Trend:

stable

Yesterday:

59.8°F

Tomorrow:

60.7°F

Sunrise:

04:47

Sunset:

22:18

Day Length:

17 h. 31 min.

Ruhnu in July

Minimum:

36.6°F

Average:

38.3°F

Maximum:

40.2°F

Sea water temperature in Ruhnu today

As of now, in Ruhnu, the water temperature is 59.8°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 4.3°F lower 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 rise considerably.

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 minimum temperature for this date. The maximum temperature recorded for this date was 74.7°F on 2021, while the historical minimum was 60.8°F on 2017.

latest data

last year

Observations from the last two weeks indicate that the water temperature was in proximity to the lowest 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 61.6°F, with minimum temperature starting at 60.7°F, while the maximum might reach 62.3°F.

Daily water temperature in Ruhnu

Date	Current Year actual* / forecast**	last year	10 years average
Jun 30	55.7°F	68.0°F	64.6°F
Jul 1	55.5°F	66.5°F	64.8°F
Jul 2	56.3°F	66.4°F	64.6°F
Jul 3	56.4°F	66.2°F	64.1°F
Jul 4	57.7°F	66.1°F	64.1°F
Jul 5	57.4°F	65.6°F	64.1°F
Jul 6	57.0°F	65.6°F	63.5°F
Jul 7	58.0°F	65.7°F	63.4°F
Jul 8	58.7°F	64.7°F	63.1°F
Jul 9	56.2°F	64.6°F	62.8°F
Jul 10	56.9°F	64.9°F	63.0°F
Jul 11	57.9°F	65.0°F	63.2°F
Jul 12	58.0°F	65.0°F	63.0°F
Jul 13	59.8°F	65.2°F	63.5°F
Jul 14	59.8°F	65.4°F	64.1°F
Jul 15	60.7°F	65.5°F	65.0°F
Jul 16	61.4°F	67.9°F	65.7°F
Jul 17	61.4°F	67.9°F	65.8°F
Jul 18	61.7°F	68.5°F	66.0°F
Jul 19	62.0°F	68.3°F	66.4°F
Jul 20	62.0°F	67.1°F	66.4°F
Jul 21	62.3°F	67.5°F	66.6°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 Ruhnu by month

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

The warmest water in Ruhnu was recorded on July 17, 2021, reaching a 77.4°F. While the coldest temperature occurred on February 20, 2021, dipping to 32.0°F. The average readings by season are 37.7°F in Winter, 39.5°F in Spring, 63.4°F in Summer, and 54.5°F in Autumn.