What is the current water temperature in Keflavík?

Q: What is the current water temperature in Keflavík?

As of now, in Keflavík, the water temperature is 6.36°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 > Keflavík

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.

43.4

°F

April 25, 04:39

Trend:

increasing

Yesterday:

43.4°F

Tomorrow:

43.5°F

Sunrise:

05:25

Sunset:

21:33

Day Length:

16 h. 8 min.

Keflavík in May

Minimum:

38.6°F

Average:

40.1°F

Maximum:

41.8°F

Sea water temperature in Keflavík today

As of now, in Keflavík, the water temperature is 43.4°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 0.8°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 44.1°F on 2023, while the historical minimum was 41.2°F on 2015.

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. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 43.9°F, with minimum temperature starting at 43.5°F, while the maximum might reach 44.3°F.

Daily water temperature in Keflavík

Date	Current Year actual* / forecast**	last year	10 years average
Apr 11	43.2°F	39.8°F	41.0°F
Apr 12	43.1°F	40.1°F	40.9°F
Apr 13	42.7°F	39.9°F	40.9°F
Apr 14	43.1°F	39.7°F	41.1°F
Apr 15	42.7°F	40.0°F	41.2°F
Apr 16	43.0°F	39.4°F	41.2°F
Apr 17	43.0°F	39.3°F	41.2°F
Apr 18	42.8°F	39.2°F	41.5°F
Apr 19	42.8°F	40.0°F	41.6°F
Apr 20	42.7°F	39.9°F	41.8°F
Apr 21	43.1°F	40.7°F	42.1°F
Apr 22	43.3°F	41.2°F	42.2°F
Apr 23	43.4°F	41.9°F	42.4°F
Apr 24	43.4°F	42.0°F	42.5°F
Apr 25	43.4°F	42.0°F	42.6°F
Apr 26	43.5°F	42.1°F	42.7°F
Apr 27	43.6°F	42.4°F	42.8°F
Apr 28	43.6°F	42.9°F	42.8°F
Apr 29	43.8°F	42.7°F	43.0°F
Apr 30	44.2°F	43.9°F	43.4°F
May 1	44.3°F	44.0°F	43.5°F
May 2	44.2°F	43.8°F	43.4°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 40.3°F in Winter, 42.1°F in Spring, 50.8°F in Summer, and 47.3°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Álftanes	42.4°F	18mi
Hafnarfjörður	42.3°F	19mi
Kópavogur	42.3°F	21mi
Reykjavík	42.3°F	22mi
Akranes	42.5°F	26mi

* current water temperature in this city

** straight line distance from Keflavík