What is the current water temperature in Reykjavík?

Q: What is the current water temperature in Reykjavík?

As of now, in Reykjavík, the water temperature is 3.21°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.

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Water temperature in Reykjavík

Detailed information about the current water temperature in Reykjavík. 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.

37.8

°F

February 23, 12:00

Trend:

stable

Yesterday:

38.0°F

Tomorrow:

38.1°F

Sunrise:

08:57

Sunset:

18:26

Day Length:

9 h. 29 min.

Reykjavík in February

Minimum:

33.4°F

Average:

37.9°F

Maximum:

40.5°F

Sea water temperature in Reykjavík today

As of now, in Reykjavík, the water temperature is 37.8°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 1.7°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 rise a bit.

Recent sea temperature and forecast

Today's water temperature closely matches the previous two weeks' average, indicating a stable trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 38.9°F on 2025, while the historical minimum was 33.3°F on 2017.

latest data

last year

Observations from the last two weeks indicate that the water temperature was in proximity to the highest 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 38.2°F, with minimum temperature starting at 37.9°F, while the maximum might reach 38.6°F.

Daily water temperature in Reykjavík

Date	Current Year actual* / forecast**	last year	10 years average
Feb 9	37.3°F	37.1°F	36.2°F
Feb 10	37.5°F	37.4°F	36.5°F
Feb 11	37.5°F	38.4°F	36.6°F
Feb 12	37.1°F	37.8°F	36.3°F
Feb 13	36.5°F	38.0°F	36.2°F
Feb 14	37.7°F	37.5°F	36.1°F
Feb 15	38.0°F	38.2°F	36.2°F
Feb 16	38.5°F	39.1°F	36.3°F
Feb 17	38.8°F	39.0°F	36.2°F
Feb 18	38.6°F	38.8°F	36.1°F
Feb 19	39.3°F	38.6°F	36.1°F
Feb 20	38.1°F	39.1°F	36.2°F
Feb 21	37.8°F	39.4°F	36.1°F
Feb 22	38.0°F	39.0°F	36.1°F
Feb 23	37.8°F	38.9°F	36.0°F
Feb 24	38.1°F	38.5°F	36.3°F
Feb 25	37.9°F	38.8°F	36.1°F
Feb 26	37.9°F	38.4°F	36.1°F
Feb 27	38.2°F	38.6°F	36.4°F
Feb 28	38.4°F	38.5°F	36.6°F
Mar 1	38.6°F	38.7°F	36.7°F
Mar 2	38.6°F	38.6°F	36.8°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 Reykjavík by month

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

The warmest water in Reykjavík was recorded on September 5, 2025, reaching a 57.1°F. While the coldest temperature occurred on February 19, 2017, dipping to 32.5°F. The average readings by season are 37.4°F in Winter, 40.7°F in Spring, 51.7°F in Summer, and 47.0°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Kópavogur	38.0°F	2mi
Álftanes	38.4°F	4mi
Hafnarfjörður	38.3°F	5mi
Akranes	37.6°F	14mi
Keflavík	40.7°F	22mi

* current water temperature in this city

** straight line distance from Reykjavík