What is the current water temperature in Tromsø?

Q: What is the current water temperature in Tromsø?

As of now, in Tromsø, the water temperature is 3.43°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.

Norway > Tromsø

Water temperature in Tromsø

Detailed information about the current water temperature in Tromsø. 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.

38.2

°F

April 1, 12:05

Trend:

decreasing

Yesterday:

39.3°F

Tomorrow:

37.9°F

Sunrise:

05:50

Sunset:

19:48

Day Length:

13 h. 58 min.

Tromsø in April

Minimum:

37.9°F

Average:

40.7°F

Maximum:

42.8°F

Sea water temperature in Tromsø today

As of now, in Tromsø, the water temperature is 38.2°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 0.5°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 fall a bit.

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 41.2°F on 2025, while the historical minimum was 34.6°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. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 38.3°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Tromsø

Date	Current Year actual* / forecast**	last year	10 years average
Mar 18	38.3°F	39.4°F	37.1°F
Mar 19	38.3°F	38.8°F	37.2°F
Mar 20	37.2°F	38.8°F	36.8°F
Mar 21	37.1°F	38.6°F	36.5°F
Mar 22	38.9°F	41.6°F	37.0°F
Mar 23	39.2°F	39.7°F	36.9°F
Mar 24	38.3°F	38.8°F	36.8°F
Mar 25	39.0°F	39.0°F	37.0°F
Mar 26	40.0°F	40.2°F	37.5°F
Mar 27	40.1°F	40.0°F	37.6°F
Mar 28	39.5°F	39.7°F	37.5°F
Mar 29	41.8°F	42.6°F	38.0°F
Mar 30	40.2°F	40.7°F	37.6°F
Mar 31	39.3°F	40.3°F	37.9°F
Apr 1	38.2°F	41.2°F	37.7°F
Apr 2	37.9°F	40.1°F	37.4°F
Apr 3	38.4°F	40.7°F	37.9°F
Apr 4	38.1°F	40.5°F	37.7°F
Apr 5	38.5°F	42.8°F	38.0°F
Apr 6	38.5°F	41.6°F	38.0°F
Apr 7	38.3°F	40.8°F	37.8°F
Apr 8	38.3°F	41.5°F	37.8°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 Tromsø by month

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

The warmest water in Tromsø was recorded on August 2, 2020, reaching a 56.7°F. While the coldest temperature occurred on February 17, 2017, dipping to 32.0°F. The average readings by season are 39.7°F in Winter, 39.1°F in Spring, 49.1°F in Summer, and 47.1°F in Autumn.