What is the current water temperature in Akranes?

Q: What is the current water temperature in Akranes?

As of now, in Akranes, the water temperature is 7.67°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.

Iceland > Akranes

Water temperature in Akranes

Detailed information about the current water temperature in Akranes. 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.

45.8

°F

May 23, 15:35

Trend:

increasing

Yesterday:

45.5°F

Tomorrow:

46.0°F

Sunrise:

03:47

Sunset:

23:05

Day Length:

19 h. 18 min.

Akranes in May

Minimum:

35.3°F

Average:

37.2°F

Maximum:

39.3°F

Sea water temperature in Akranes today

As of now, in Akranes, the water temperature is 45.8°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 0.2°F lower than the average recorded on this particular day in recent years. Since yesterday, there was a slight 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 also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 51.1°F on 2025, while the historical minimum was 44.3°F on 2018.

latest data

last year

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 46.3°F, with minimum temperature starting at 46.0°F, while the maximum might reach 46.5°F.

Daily water temperature in Akranes

Date	Current Year actual* / forecast**	last year	10 years average
May 9	41.9°F	44.9°F	43.3°F
May 10	41.9°F	44.9°F	43.3°F
May 11	42.1°F	45.0°F	43.4°F
May 12	42.9°F	45.1°F	43.5°F
May 13	43.5°F	45.4°F	43.9°F
May 14	44.0°F	46.0°F	44.0°F
May 15	44.3°F	46.6°F	44.2°F
May 16	43.9°F	46.5°F	44.2°F
May 17	44.4°F	46.5°F	44.5°F
May 18	43.9°F	48.0°F	44.7°F
May 19	45.1°F	47.9°F	44.9°F
May 20	45.0°F	49.5°F	45.1°F
May 21	45.1°F	49.9°F	45.4°F
May 22	45.5°F	50.3°F	45.8°F
May 23	45.8°F	51.1°F	46.0°F
May 24	46.0°F	50.8°F	46.2°F
May 25	46.1°F	50.3°F	46.3°F
May 26	46.4°F	50.1°F	46.6°F
May 27	46.4°F	49.7°F	46.6°F
May 28	46.5°F	49.2°F	46.7°F
May 29	46.5°F	49.4°F	46.7°F
May 30	46.5°F	49.9°F	46.7°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 Akranes by month

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

The warmest water in Akranes was recorded on August 15, 2021, reaching a 56.8°F. While the coldest temperature occurred on February 1, 2023, dipping to 32.9°F. The average readings by season are 37.7°F in Winter, 40.4°F in Spring, 51.4°F in Summer, and 46.9°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Reykjavík	46.3°F	14mi
Kópavogur	46.3°F	15mi
Álftanes	46.3°F	15mi
Hafnarfjörður	46.3°F	18mi
Keflavík	46.5°F	26mi

* current water temperature in this city

** straight line distance from Akranes