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 8.45°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.

47.2

°F

October 31, 00:16

Trend:

decreasing

Yesterday:

47.4°F

Tomorrow:

47.2°F

Sunrise:

09:06

Sunset:

17:15

Day Length:

8 h. 9 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 47.2°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 2.4°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 is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 46.3°F on 2016, while the historical minimum was 43.4°F on 2018.

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 shows a gradual cooling trend. The average temperature is expected to be 46.8°F, the minimum temperature may reach 46.3°F, and the maximum might stay at 47.2°F.

Daily water temperature in Reykjavík

Date	Current Year actual* / forecast**	last year	10 years average
Oct 17	53.7°F	44.7°F	47.1°F
Oct 18	53.8°F	44.7°F	47.0°F
Oct 19	53.4°F	44.6°F	46.9°F
Oct 20	53.5°F	44.4°F	46.7°F
Oct 21	53.0°F	44.6°F	46.7°F
Oct 22	50.4°F	44.4°F	46.5°F
Oct 23	48.8°F	44.5°F	46.1°F
Oct 24	47.9°F	44.3°F	45.9°F
Oct 25	48.6°F	44.3°F	45.9°F
Oct 26	48.8°F	44.3°F	45.8°F
Oct 27	47.4°F	44.1°F	45.6°F
Oct 28	47.6°F	44.1°F	45.5°F
Oct 29	46.9°F	43.9°F	45.3°F
Oct 30	47.4°F	43.5°F	45.0°F
Oct 31	47.2°F	43.5°F	44.8°F
Nov 1	47.2°F	43.2°F	44.8°F
Nov 2	47.0°F	43.2°F	44.6°F
Nov 3	46.9°F	43.0°F	44.5°F
Nov 4	46.8°F	43.0°F	44.4°F
Nov 5	46.7°F	42.9°F	44.3°F
Nov 6	46.6°F	43.2°F	44.2°F
Nov 7	46.3°F	42.6°F	43.9°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	47.0°F	2mi
Álftanes	46.7°F	4mi
Hafnarfjörður	47.0°F	5mi
Akranes	46.0°F	14mi
Keflavík	46.6°F	22mi

* current water temperature in this city

** straight line distance from Reykjavík