What is the current water temperature in Vaasa?

Q: What is the current water temperature in Vaasa?

As of now, in Vaasa, the water temperature is 4.74°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 > Vaasa

Water temperature in Vaasa

Detailed information about the current water temperature in Vaasa. 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

April 16, 02:31

Trend:

increasing

Yesterday:

40.5°F

Tomorrow:

41.1°F

Sunrise:

06:04

Sunset:

21:04

Day Length:

15 h. 0 min.

Vaasa in April

Minimum:

32.0°F

Average:

32.1°F

Maximum:

32.5°F

Sea water temperature in Vaasa today

As of now, in Vaasa, 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 6.7°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 rise a bit.

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 38.2°F on 2025, while the historical minimum was 32.0°F on 2019.

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 41.9°F, with minimum temperature starting at 41.1°F, while the maximum might reach 42.7°F.

Daily water temperature in Vaasa

Date	Current Year actual* / forecast**	last year	10 years average
Apr 2	34.2°F	32.6°F	32.5°F
Apr 3	32.7°F	33.9°F	32.5°F
Apr 4	33.3°F	34.6°F	32.5°F
Apr 5	32.0°F	34.6°F	32.5°F
Apr 6	32.0°F	34.9°F	32.4°F
Apr 7	32.0°F	33.2°F	32.3°F
Apr 8	32.3°F	33.7°F	32.6°F
Apr 9	34.1°F	34.4°F	32.8°F
Apr 10	35.6°F	34.3°F	33.1°F
Apr 11	35.6°F	33.9°F	33.2°F
Apr 12	35.1°F	33.8°F	33.3°F
Apr 13	39.3°F	35.9°F	34.0°F
Apr 14	40.7°F	36.0°F	34.1°F
Apr 15	40.5°F	36.1°F	33.8°F
Apr 16	40.5°F	38.2°F	33.8°F
Apr 17	41.1°F	40.3°F	34.4°F
Apr 18	41.2°F	42.0°F	34.5°F
Apr 19	41.3°F	41.1°F	34.6°F
Apr 20	42.0°F	42.0°F	35.3°F
Apr 21	42.6°F	40.0°F	35.9°F
Apr 22	42.7°F	40.1°F	36.0°F
Apr 23	42.6°F	39.4°F	35.9°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 Vaasa by month

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

The warmest water in Vaasa was recorded on July 26, 2025, reaching a 74.5°F. While the coldest temperature occurred on January 1, 2018, dipping to 32.0°F. The average readings by season are 32.5°F in Winter, 37.3°F in Spring, 62.6°F in Summer, and 47.3°F in Autumn.