All data are in degrees Fahrenheit

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Water temperature in Keflavík

Detailed information about the current water temperature in Keflavík. 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 Keflavík now

41.6

°F

February 14, 23:42

Trend:

stable

Yesterday:

42.2°F

Tomorrow:

41.7°F

Sunrise:

09:30

Sunset:

18:01

Day Length:

8 h. 31 min.

Keflavík in February

Minimum:

38.9°F

Average:

40.8°F

Maximum:

42.9°F

Sea water temperature in Keflavík today

As of now, in Keflavík, the water temperature is 41.6°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 2.6°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 stay about the same.

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 40.9°F on 2017, while the historical minimum was 36.7°F on 2024.

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 41.7°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Keflavík

Date Current Year

actual* / forecast**

last year 10 years average
Jan 31 40.0°F 39.4°F 39.5°F
Feb 1 39.9°F 39.2°F 39.4°F
Feb 2 40.4°F 39.7°F 39.3°F
Feb 3 40.4°F 39.6°F 39.4°F
Feb 4 41.2°F 39.7°F 39.4°F
Feb 5 40.9°F 40.0°F 39.6°F
Feb 6 41.4°F 39.7°F 39.3°F
Feb 7 41.3°F 40.2°F 39.4°F
Feb 8 41.8°F 40.0°F 39.4°F
Feb 9 41.7°F 40.6°F 39.3°F
Feb 10 41.6°F 40.5°F 39.2°F
Feb 11 42.3°F 40.1°F 39.4°F
Feb 12 42.2°F 40.5°F 39.5°F
Feb 13 42.2°F 40.3°F 39.4°F
Feb 14 41.6°F 39.9°F 39.0°F
Feb 15 41.7°F 40.2°F 39.1°F
Feb 16 41.6°F 40.0°F 39.0°F
Feb 17 41.7°F 39.7°F 39.1°F
Feb 18 41.6°F 39.9°F 39.1°F
Feb 19 41.6°F 40.0°F 39.1°F
Feb 20 41.8°F 40.3°F 39.2°F
Feb 21 41.8°F 40.3°F 39.3°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 Keflavík by month

In an average year, Keflavík offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in Keflavík was recorded on August 6, 2019, reaching a 56.1°F. While the coldest temperature occurred on February 9, 2024, dipping to 36.3°F. The average readings by season are 40.4°F in Winter, 42.3°F in Spring, 51.0°F in Summer, and 47.5°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Álftanes 39.4°F 18mi
Hafnarfjörður 38.6°F 19mi
Kópavogur 38.3°F 21mi
Reykjavík 37.7°F 22mi
Akranes 37.9°F 26mi

* current water temperature in this city

** straight line distance from Keflavík