All data are in degrees Fahrenheit

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Water temperature in Lerwick

Detailed information about the current water temperature in Lerwick. 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 Lerwick now

48.2

°F

December 21, 16:46

Trend:

stable

Yesterday:

48.1°F

Tomorrow:

48.1°F

Sunrise:

09:08

Sunset:

14:58

Day Length:

5 h. 50 min.

Lerwick in December

Minimum:

46.0°F

Average:

46.5°F

Maximum:

47.5°F

Sea water temperature in Lerwick today

As of now, in Lerwick, the water temperature is 48.2°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 0.3°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 slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. It also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 49.1°F on 2016, while the historical minimum was 47.1°F on 2019.

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 47.9°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Lerwick

Date Current Year

actual* / forecast**

last year 10 years average
Dec 7 49.0°F 48.2°F 48.9°F
Dec 8 48.9°F 48.0°F 48.8°F
Dec 9 48.7°F 48.0°F 48.7°F
Dec 10 48.6°F 47.9°F 48.7°F
Dec 11 48.5°F 47.9°F 48.5°F
Dec 12 48.4°F 47.8°F 48.3°F
Dec 13 48.4°F 47.6°F 48.3°F
Dec 14 48.5°F 47.7°F 48.4°F
Dec 15 48.5°F 47.2°F 48.3°F
Dec 16 48.2°F 47.1°F 48.2°F
Dec 17 48.1°F 47.1°F 48.1°F
Dec 18 48.1°F 47.2°F 48.1°F
Dec 19 48.3°F 47.2°F 48.0°F
Dec 20 48.1°F 47.3°F 48.1°F
Dec 21 48.2°F 47.3°F 47.9°F
Dec 22 48.1°F 47.2°F 47.8°F
Dec 23 48.0°F 46.8°F 47.7°F
Dec 24 48.0°F 46.9°F 47.6°F
Dec 25 47.9°F 46.8°F 47.6°F
Dec 26 47.9°F 46.9°F 47.6°F
Dec 27 47.8°F 46.7°F 47.5°F
Dec 28 47.8°F 46.8°F 47.5°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 Lerwick by month

In an average year, Lerwick offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in Lerwick was recorded on July 30, 2014, reaching a 57.3°F. While the coldest temperature occurred on March 21, 2018, dipping to 42.8°F. The average readings by season are 46.6°F in Winter, 45.8°F in Spring, 52.9°F in Summer, and 52.3°F in Autumn.