All data are in degrees Fahrenheit

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Water temperature in Álftanes

Detailed information about the current water temperature in Álftanes. 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.
Sea temperature in Álftanes now

42.4

°F

April 25, 04:23

Trend:

increasing

Yesterday:

42.3°F

Tomorrow:

42.6°F

Sunrise:

05:22

Sunset:

21:31

Day Length:

16 h. 9 min.

Álftanes in May

Minimum:

35.2°F

Average:

37.3°F

Maximum:

39.5°F

Sea water temperature in Álftanes today

As of now, in Álftanes, the water temperature is 42.4°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 1.2°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

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 43.1°F on 2022, while the historical minimum was 40.0°F on 2021.

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 43.1°F, with minimum temperature starting at 42.6°F, while the maximum might reach 43.6°F.

Daily water temperature in Álftanes

Date Current Year

actual* / forecast**

last year 10 years average
Apr 11 41.1°F 37.9°F 39.2°F
Apr 12 42.4°F 38.2°F 39.4°F
Apr 13 42.2°F 37.3°F 39.3°F
Apr 14 42.3°F 37.1°F 39.4°F
Apr 15 41.8°F 37.3°F 39.7°F
Apr 16 41.9°F 38.0°F 39.8°F
Apr 17 42.2°F 37.5°F 40.0°F
Apr 18 42.2°F 37.5°F 40.1°F
Apr 19 41.9°F 38.2°F 40.4°F
Apr 20 41.8°F 37.8°F 40.4°F
Apr 21 42.7°F 38.4°F 40.6°F
Apr 22 42.2°F 38.8°F 40.7°F
Apr 23 42.3°F 40.0°F 40.9°F
Apr 24 42.3°F 40.2°F 41.1°F
Apr 25 42.4°F 40.5°F 41.3°F
Apr 26 42.6°F 40.9°F 41.5°F
Apr 27 42.7°F 40.8°F 41.5°F
Apr 28 42.6°F 40.2°F 41.4°F
Apr 29 43.1°F 40.6°F 41.9°F
Apr 30 43.4°F 40.8°F 42.2°F
May 1 43.4°F 40.6°F 42.3°F
May 2 43.6°F 40.8°F 42.5°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 Álftanes by month

In an average year, Álftanes offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in Álftanes was recorded on August 15, 2021, reaching a 56.8°F. While the coldest temperature occurred on January 19, 2023, dipping to 33.3°F. The average readings by season are 37.8°F in Winter, 40.7°F in Spring, 51.4°F in Summer, and 46.9°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Kópavogur 42.3°F 3mi
Hafnarfjörður 42.3°F 3mi
Reykjavík 42.3°F 4mi
Akranes 42.5°F 15mi
Keflavík 43.4°F 18mi

* current water temperature in this city

** straight line distance from Álftanes