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 3.91°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.

39.0

°F

April 18, 13:20

Trend:

increasing

Yesterday:

38.0°F

Tomorrow:

39.2°F

Sunrise:

05:46

Sunset:

21:11

Day Length:

15 h. 25 min.

Akranes in April

Minimum:

35.5°F

Average:

37.7°F

Maximum:

39.6°F

Sea water temperature in Akranes today

As of now, in Akranes, the water temperature is 39.0°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 1.1°F lower 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 also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 42.2°F on 2025, while the historical minimum was 37.3°F on 2024.

latest data

last year

Observations from the last two weeks indicate that the water temperature was in proximity to the lowest 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 39.7°F, with minimum temperature starting at 39.2°F, while the maximum might reach 40.4°F.

Daily water temperature in Akranes

Date	Current Year actual* / forecast**	last year	10 years average
Apr 4	36.4°F	40.6°F	38.2°F
Apr 5	36.3°F	40.6°F	38.3°F
Apr 6	36.2°F	40.2°F	38.1°F
Apr 7	36.7°F	40.6°F	38.2°F
Apr 8	37.1°F	40.7°F	38.5°F
Apr 9	36.4°F	40.5°F	38.4°F
Apr 10	36.8°F	39.0°F	38.5°F
Apr 11	37.2°F	41.1°F	38.8°F
Apr 12	37.2°F	42.0°F	39.0°F
Apr 13	37.1°F	41.4°F	38.9°F
Apr 14	37.5°F	42.2°F	39.1°F
Apr 15	37.9°F	42.0°F	39.4°F
Apr 16	38.0°F	42.3°F	39.7°F
Apr 17	38.0°F	42.4°F	39.7°F
Apr 18	39.0°F	42.2°F	40.1°F
Apr 19	39.2°F	42.4°F	40.3°F
Apr 20	39.3°F	41.8°F	40.4°F
Apr 21	39.5°F	42.6°F	40.5°F
Apr 22	39.6°F	42.6°F	40.6°F
Apr 23	39.8°F	42.4°F	40.9°F
Apr 24	40.1°F	42.4°F	41.2°F
Apr 25	40.4°F	43.7°F	41.5°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, 40.5°F in Spring, 51.4°F in Summer, and 46.9°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Reykjavík	38.6°F	14mi
Kópavogur	38.7°F	15mi
Álftanes	38.9°F	15mi
Hafnarfjörður	38.8°F	18mi
Keflavík	42.0°F	26mi

* current water temperature in this city

** straight line distance from Akranes