What is the current water temperature in Álftanes?

Q: What is the current water temperature in Álftanes?

As of now, in Álftanes, the water temperature is 3.86°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 > Álftanes

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.

38.9

°F

February 21, 04:31

Trend:

stable

Yesterday:

39.0°F

Tomorrow:

39.1°F

Sunrise:

09:04

Sunset:

18:21

Day Length:

9 h. 17 min.

Álftanes in February

Minimum:

35.5°F

Average:

38.5°F

Maximum:

41.2°F

Sea water temperature in Álftanes today

As of now, in Álftanes, the water temperature is 38.9°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 2.7°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

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 39.6°F on 2025, while the historical minimum was 34.7°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. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 39.3°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Álftanes

Date	Current Year actual* / forecast**	last year	10 years average
Feb 7	37.7°F	37.6°F	36.8°F
Feb 8	37.6°F	37.6°F	36.8°F
Feb 9	37.9°F	38.0°F	36.7°F
Feb 10	37.7°F	38.1°F	36.8°F
Feb 11	38.3°F	38.8°F	37.0°F
Feb 12	38.4°F	38.4°F	36.8°F
Feb 13	38.9°F	38.7°F	36.8°F
Feb 14	39.4°F	38.0°F	36.8°F
Feb 15	39.2°F	38.7°F	36.8°F
Feb 16	39.7°F	39.4°F	36.9°F
Feb 17	39.4°F	39.2°F	36.7°F
Feb 18	39.1°F	39.1°F	36.6°F
Feb 19	39.9°F	38.9°F	36.6°F
Feb 20	39.0°F	39.2°F	36.4°F
Feb 21	38.9°F	39.6°F	36.3°F
Feb 22	39.1°F	39.3°F	36.4°F
Feb 23	39.1°F	39.1°F	36.4°F
Feb 24	39.5°F	38.6°F	36.8°F
Feb 25	39.2°F	38.9°F	36.5°F
Feb 26	39.2°F	38.4°F	36.5°F
Feb 27	39.4°F	38.6°F	36.7°F
Feb 28	39.7°F	38.7°F	37.0°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 37.9°F in Winter, 40.9°F in Spring, 51.6°F in Summer, and 47.1°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Kópavogur	38.1°F	3mi
Hafnarfjörður	38.3°F	3mi
Reykjavík	38.0°F	4mi
Akranes	38.6°F	15mi
Keflavík	41.1°F	18mi

* current water temperature in this city

** straight line distance from Álftanes