What is the current water temperature in Lerwick?

Q: What is the current water temperature in Lerwick?

As of now, in Lerwick, the water temperature is 11.75°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.

United Kingdom > Lerwick

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.

53.2

°F

June 27, 11:44

Trend:

increasing

Yesterday:

52.2°F

Tomorrow:

53.4°F

Sunrise:

03:41

Sunset:

22:34

Day Length:

18 h. 53 min.

Lerwick in July

Minimum:

46.3°F

Average:

47.0°F

Maximum:

48.0°F

Sea water temperature in Lerwick today

As of now, in Lerwick, the water temperature is 53.2°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 1.6°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a noticeable 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 52.6°F on 2023, while the historical minimum was 50.8°F on 2018.

latest data

last year

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 53.6°F, with minimum temperature starting at 53.4°F, while the maximum might reach 53.9°F.

Daily water temperature in Lerwick

Date	Current Year actual* / forecast**	last year	10 years average
Jun 13	51.3°F	50.7°F	50.6°F
Jun 14	51.9°F	51.4°F	50.8°F
Jun 15	51.2°F	51.0°F	51.0°F
Jun 16	51.5°F	51.1°F	51.0°F
Jun 17	51.7°F	51.5°F	51.1°F
Jun 18	52.0°F	51.6°F	51.3°F
Jun 19	51.7°F	51.5°F	51.1°F
Jun 20	51.7°F	51.4°F	51.1°F
Jun 21	51.6°F	51.9°F	51.3°F
Jun 22	51.2°F	51.9°F	51.3°F
Jun 23	51.4°F	52.2°F	51.5°F
Jun 24	52.2°F	52.3°F	51.6°F
Jun 25	52.2°F	52.2°F	51.7°F
Jun 26	52.2°F	51.9°F	51.5°F
Jun 27	53.2°F	51.8°F	51.6°F
Jun 28	53.4°F	51.9°F	51.9°F
Jun 29	53.4°F	52.1°F	51.8°F
Jun 30	53.5°F	52.7°F	52.0°F
Jul 1	53.6°F	52.2°F	52.0°F
Jul 2	53.9°F	52.8°F	52.3°F
Jul 3	53.9°F	53.0°F	52.4°F
Jul 4	53.9°F	53.2°F	52.3°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 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 22, 2025, reaching a 58.3°F. While the coldest temperature occurred on March 21, 2018, dipping to 42.8°F. The average readings by season are 46.7°F in Winter, 46.0°F in Spring, 53.1°F in Summer, and 52.4°F in Autumn.