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 7.07°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.

44.7

°F

February 15, 17:06

Trend:

stable

Yesterday:

44.8°F

Tomorrow:

44.7°F

Sunrise:

07:45

Sunset:

16:54

Day Length:

9 h. 9 min.

Lerwick in February

Minimum:

46.9°F

Average:

47.4°F

Maximum:

48.5°F

Sea water temperature in Lerwick today

As of now, in Lerwick, the water temperature is 44.7°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 0.4°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 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 is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 46.4°F on 2017, while the historical minimum was 44.4°F on 2018.

latest data

last year

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the histoorical minimum and others when it was close to the historical maximum. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 44.6°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
Feb 1	46.1°F	46.3°F	45.8°F
Feb 2	46.4°F	46.2°F	45.7°F
Feb 3	46.1°F	46.5°F	45.7°F
Feb 4	46.0°F	46.5°F	45.7°F
Feb 5	45.4°F	46.5°F	45.6°F
Feb 6	45.7°F	46.3°F	45.6°F
Feb 7	45.7°F	46.7°F	45.6°F
Feb 8	45.2°F	46.6°F	45.5°F
Feb 9	45.6°F	46.2°F	45.5°F
Feb 10	44.8°F	46.4°F	45.3°F
Feb 11	45.3°F	46.4°F	45.4°F
Feb 12	45.2°F	46.2°F	45.4°F
Feb 13	44.8°F	46.0°F	45.2°F
Feb 14	44.8°F	46.0°F	45.2°F
Feb 15	44.7°F	45.9°F	45.1°F
Feb 16	44.7°F	46.0°F	45.2°F
Feb 17	44.6°F	45.6°F	45.1°F
Feb 18	44.6°F	45.8°F	45.1°F
Feb 19	44.6°F	45.5°F	45.1°F
Feb 20	44.6°F	45.5°F	45.0°F
Feb 21	44.6°F	45.7°F	45.0°F
Feb 22	44.5°F	45.1°F	44.9°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.