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 12.14°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.

53.9

°F

August 29, 18:54

Trend:

stable

Yesterday:

52.9°F

Tomorrow:

53.8°F

Sunrise:

06:03

Sunset:

20:58

Day Length:

14 h. 55 min.

Keflavík in September

Minimum:

38.9°F

Average:

40.1°F

Maximum:

42.0°F

Sea water temperature in Keflavík today

As of now, in Keflavík, the water temperature is 53.9°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 1.7°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a noticeable 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 is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 55.1°F on 2023, while the historical minimum was 50.1°F on 2024.

latest data

last year

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 53.4°F, the minimum temperature may reach 53.1°F, and the maximum might stay at 53.8°F.

Daily water temperature in Keflavík

Date	Current Year actual* / forecast**	last year	10 years average
Aug 15	52.7°F	52.0°F	52.9°F
Aug 16	52.6°F	52.4°F	52.7°F
Aug 17	52.4°F	52.3°F	52.6°F
Aug 18	52.3°F	52.1°F	52.5°F
Aug 19	53.1°F	52.0°F	52.6°F
Aug 20	52.8°F	51.7°F	52.6°F
Aug 21	53.0°F	51.7°F	52.6°F
Aug 22	53.0°F	51.5°F	52.3°F
Aug 23	52.6°F	51.5°F	52.5°F
Aug 24	52.5°F	51.4°F	52.5°F
Aug 25	52.2°F	51.3°F	52.4°F
Aug 26	52.4°F	50.5°F	52.2°F
Aug 27	52.3°F	50.6°F	52.2°F
Aug 28	52.9°F	50.3°F	52.3°F
Aug 29	53.9°F	50.1°F	52.2°F
Aug 30	53.8°F	49.9°F	52.1°F
Aug 31	53.7°F	50.4°F	52.0°F
Sep 1	53.5°F	50.6°F	51.9°F
Sep 2	53.5°F	50.4°F	51.8°F
Sep 3	53.2°F	49.6°F	51.5°F
Sep 4	53.1°F	49.7°F	51.4°F
Sep 5	53.2°F	49.8°F	51.5°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 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, 50.9°F in Summer, and 47.3°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Álftanes	54.8°F	18mi
Hafnarfjörður	54.7°F	19mi
Kópavogur	54.9°F	21mi
Reykjavík	54.9°F	22mi
Akranes	54.6°F	26mi

* current water temperature in this city

** straight line distance from Keflavík