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 6.28°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.

43.3

°F

April 30, 14:12

Trend:

increasing

Yesterday:

42.7°F

Tomorrow:

43.4°F

Sunrise:

05:08

Sunset:

21:49

Day Length:

16 h. 41 min.

Keflavík in May

Minimum:

38.6°F

Average:

40.4°F

Maximum:

42.8°F

Sea water temperature in Keflavík today

As of now, in Keflavík, the water temperature is 43.3°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 0.4°F lower than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to stay about the same.

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 falls within the range of the average temperature recorded for this date, suggesting a consistent weather trend. The maximum temperature recorded for this date was 45.5°F on 2022, while the historical minimum was 42.1°F on 2017.

latest data

last year

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the histoorical minimum and others when it was close to the historical maximum. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 43.6°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
Apr 16	41.0°F	43.0°F	41.2°F
Apr 17	41.7°F	43.0°F	41.3°F
Apr 18	42.0°F	42.8°F	41.6°F
Apr 19	42.9°F	42.8°F	41.7°F
Apr 20	42.9°F	42.7°F	41.9°F
Apr 21	43.6°F	43.1°F	42.3°F
Apr 22	42.6°F	43.3°F	42.3°F
Apr 23	42.3°F	43.4°F	42.5°F
Apr 24	42.4°F	43.4°F	42.7°F
Apr 25	42.2°F	44.0°F	42.9°F
Apr 26	41.3°F	44.3°F	42.8°F
Apr 27	41.3°F	44.3°F	42.9°F
Apr 28	41.3°F	44.1°F	43.0°F
Apr 29	42.7°F	44.3°F	43.3°F
Apr 30	43.3°F	44.3°F	43.7°F
May 1	43.4°F	44.3°F	43.8°F
May 2	43.4°F	44.3°F	43.8°F
May 3	43.5°F	45.2°F	43.9°F
May 4	43.6°F	44.9°F	44.0°F
May 5	43.7°F	44.9°F	44.1°F
May 6	43.8°F	45.0°F	44.2°F
May 7	44.0°F	45.3°F	44.4°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 40.4°F in Winter, 42.2°F in Spring, 51.0°F in Summer, and 47.5°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Álftanes	42.0°F	18mi
Hafnarfjörður	41.8°F	19mi
Kópavogur	41.8°F	21mi
Reykjavík	41.7°F	22mi
Akranes	41.4°F	26mi

* current water temperature in this city

** straight line distance from Keflavík