What is the current water temperature in Reykjavík?

Q: What is the current water temperature in Reykjavík?

As of now, in Reykjavík, the water temperature is 6.19°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 > Reykjavík

Water temperature in Reykjavík

Detailed information about the current water temperature in Reykjavík. 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.

43.1

°F

November 18, 00:43

Trend:

decreasing

Yesterday:

43.4°F

Tomorrow:

43.1°F

Sunrise:

10:05

Sunset:

16:19

Day Length:

6 h. 14 min.

Reykjavík in November

Minimum:

33.3°F

Average:

37.0°F

Maximum:

38.9°F

Sea water temperature in Reykjavík today

As of now, in Reykjavík, the water temperature is 43.1°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 0.3°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

Today's water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 44.7°F on 2016, while the historical minimum was 41.3°F on 2021.

latest data

last year

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 42.8°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Reykjavík

Date	Current Year actual* / forecast**	last year	10 years average
Nov 4	45.8°F	43.0°F	44.5°F
Nov 5	45.4°F	42.9°F	44.4°F
Nov 6	45.3°F	43.2°F	44.3°F
Nov 7	45.2°F	42.6°F	44.0°F
Nov 8	44.8°F	42.7°F	43.9°F
Nov 9	44.6°F	42.8°F	44.1°F
Nov 10	44.3°F	42.6°F	43.9°F
Nov 11	44.0°F	42.4°F	43.7°F
Nov 12	44.1°F	42.3°F	43.6°F
Nov 13	44.2°F	42.4°F	43.6°F
Nov 14	44.0°F	42.1°F	43.4°F
Nov 15	43.7°F	43.5°F	43.3°F
Nov 16	43.6°F	43.5°F	43.3°F
Nov 17	43.4°F	43.0°F	43.1°F
Nov 18	43.1°F	42.7°F	42.8°F
Nov 19	43.1°F	42.6°F	42.8°F
Nov 20	43.1°F	43.0°F	42.7°F
Nov 21	43.0°F	43.0°F	42.7°F
Nov 22	42.8°F	43.0°F	42.5°F
Nov 23	42.8°F	42.6°F	42.5°F
Nov 24	42.6°F	41.9°F	42.3°F
Nov 25	42.5°F	41.8°F	42.2°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 Reykjavík by month

In an average year, Reykjavík offers no days when the water temperature is warm enough to swim comfortably.

The warmest water in Reykjavík was recorded on September 5, 2025, reaching a 57.1°F. While the coldest temperature occurred on February 19, 2017, dipping to 32.5°F. The average readings by season are 37.3°F in Winter, 40.6°F in Spring, 51.5°F in Summer, and 47.0°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Kópavogur	43.2°F	2mi
Álftanes	43.4°F	4mi
Hafnarfjörður	43.3°F	5mi
Akranes	43.3°F	14mi
Keflavík	44.3°F	22mi

* current water temperature in this city

** straight line distance from Reykjavík