What is the current water temperature in Wismar?

Q: What is the current water temperature in Wismar?

As of now, in Wismar, the water temperature is 8.76°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.

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Water temperature in Wismar

Detailed information about the current water temperature in Wismar. 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.

47.8

°F

May 13, 01:22

Trend:

increasing

Yesterday:

46.4°F

Tomorrow:

48.1°F

Sunrise:

05:16

Sunset:

21:06

Day Length:

15 h. 50 min.

Wismar in May

Minimum:

35.4°F

Average:

38.3°F

Maximum:

40.4°F

Sea water temperature in Wismar today

As of now, in Wismar, the water temperature is 47.8°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 6.2°F lower 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 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 minimum temperature for this date. The maximum temperature recorded for this date was 59.3°F on 2025, while the historical minimum was 48.0°F on 2017.

latest data

last year

Observations from the last two weeks indicate that the water temperature was in proximity to the lowest 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 49.6°F, with minimum temperature starting at 48.1°F, while the maximum might reach 50.8°F.

Daily water temperature in Wismar

Date	Current Year actual* / forecast**	last year	10 years average
Apr 29	43.4°F	55.0°F	48.8°F
Apr 30	43.9°F	56.5°F	49.3°F
May 1	43.5°F	57.1°F	50.3°F
May 2	45.1°F	56.1°F	50.4°F
May 3	42.6°F	57.3°F	50.4°F
May 4	40.3°F	57.9°F	50.3°F
May 5	38.2°F	57.7°F	50.2°F
May 6	36.7°F	57.7°F	50.0°F
May 7	35.2°F	56.7°F	49.7°F
May 8	35.3°F	56.5°F	50.2°F
May 9	39.7°F	57.1°F	50.9°F
May 10	39.4°F	56.9°F	50.7°F
May 11	41.8°F	57.0°F	50.8°F
May 12	46.4°F	58.8°F	52.6°F
May 13	47.8°F	59.3°F	54.0°F
May 14	48.1°F	58.5°F	54.3°F
May 15	49.1°F	57.8°F	55.4°F
May 16	49.5°F	59.1°F	55.7°F
May 17	49.7°F	59.1°F	55.9°F
May 18	50.2°F	59.2°F	56.5°F
May 19	50.3°F	59.2°F	56.5°F
May 20	50.8°F	60.3°F	57.0°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 Wismar by month

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

The warmest water in Wismar was recorded on July 27, 2018, reaching a 73.7°F. While the coldest temperature occurred on January 21, 2024, dipping to 32.0°F. The average readings by season are 37.3°F in Winter, 46.5°F in Spring, 66.4°F in Summer, and 54.9°F in Autumn.