What is the current water temperature in Raahe?

Q: What is the current water temperature in Raahe?

As of now, in Raahe, the water temperature is 4.73°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.

Finland > Raahe

Water temperature in Raahe

Detailed information about the current water temperature in Raahe. 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.

40.5

°F

May 2, 11:49

Trend:

stable

Yesterday:

37.5°F

Tomorrow:

40.4°F

Sunrise:

04:48

Sunset:

21:52

Day Length:

17 h. 4 min.

Raahe in May

Minimum:

32.0°F

Average:

32.3°F

Maximum:

33.2°F

Sea water temperature in Raahe today

As of now, in Raahe, the water temperature is 40.5°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 7.5°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 34.1°F on 2025, while the historical minimum was 32.0°F on 2022.

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 41.1°F, with minimum temperature starting at 40.4°F, while the maximum might reach 41.7°F.

Daily water temperature in Raahe

Date	Current Year actual* / forecast**	last year	10 years average
Apr 18	39.1°F	33.3°F	33.0°F
Apr 19	38.3°F	33.2°F	32.8°F
Apr 20	38.4°F	33.2°F	32.9°F
Apr 21	38.6°F	34.4°F	33.1°F
Apr 22	38.9°F	34.6°F	33.2°F
Apr 23	39.5°F	33.5°F	33.2°F
Apr 24	38.9°F	33.6°F	33.0°F
Apr 25	39.3°F	32.4°F	32.9°F
Apr 26	40.0°F	33.5°F	33.0°F
Apr 27	38.0°F	33.6°F	32.9°F
Apr 28	39.7°F	32.8°F	33.1°F
Apr 29	38.4°F	32.4°F	33.1°F
Apr 30	35.3°F	34.3°F	33.3°F
May 1	37.5°F	32.0°F	33.1°F
May 2	40.5°F	34.1°F	33.0°F
May 3	40.4°F	33.6°F	32.9°F
May 4	40.6°F	33.2°F	33.0°F
May 5	40.9°F	33.5°F	33.4°F
May 6	41.1°F	33.0°F	33.6°F
May 7	41.4°F	32.9°F	33.8°F
May 8	41.6°F	32.8°F	34.1°F
May 9	41.7°F	32.6°F	34.1°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 Raahe by month

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

The warmest water in Raahe was recorded on August 3, 2025, reaching a 72.3°F. While the coldest temperature occurred on January 1, 2022, dipping to 32.0°F. The average readings by season are 32.8°F in Winter, 34.1°F in Spring, 59.3°F in Summer, and 47.1°F in Autumn.