This data the coastal Rerik sea water temperature today, tomorrow and the upcoming days. Besides, you can also get information about the weather and surf forecast, as well as the data on sunrise / sunset and moonrise / moonset at a given point on any given day.
Water temperature in Rerik today is 18.7°C. Based on our historical data over a period of ten years, the warmest water in this day in the Baltic Sea near Rerik was recorded in 2024 and was 20°C, and the coldest was recorded in 2010 at 16.2°C. Sea water temperature in Rerik is expected to drop to 16.5°C in the next 10 days. September average water temperature in Rerik is 16.5°C, the minimum temperature is 13.4°C, and the maximum is 21°C.
The swimming season in Rerik lasts from July to August. During those months, Rerik water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Rerik in winter reaches 3.4°C, in spring 7.7°C, in summer the average temperature rises to 18.2°C, and in autumn it is 12.5°C.
6 September 2025 |
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today temp |
18.7°C |
5 September 2025 |
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yesterday temp |
19°C |
The sea salinity in Rerik is 10.08‰, and the average salinity of the World Ocean is 35‰.
Another important indicators for a comfortable holiday on the beach are the presence and height of the waves, as well as the speed and direction of the wind. Please find below data on the swell size for Rerik. We calculate the swell size based on the mean wave height (trough to crest) of each third highest wave. For more information on surf forecasts for the next ten days, please visit sea state forecast Rerik. Data in table shown for 6 September 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)
0-3 h | 3-6 h | 6-9 h | 9-12 h |
---|---|---|---|
0' 11" | 0' 11" | 0' 9" | 0' 6" |
0.29 m | 0.27 m | 0.22 m | 0.14 m |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
---|---|---|---|
0' 4" | 0' 2" | 0' 2" | 0' 1" |
0.09 m | 0.06 m | 0.04 m | 0.03 m |
Data in a table show Rerik temperature today (6 September 2025). For more information and forecast for a few days, go to the weather forecast Rerik.
0-3 h | 3-6 h | 6-9 h | 9-12 h |
---|---|---|---|
![]() | ![]() | ![]() | ![]() |
14.4°C | 13.5°C | 13°C | 16.5°C |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
---|---|---|---|
![]() | ![]() | ![]() | ![]() |
18.7°C | 19.4°C | 17.4°C | 14.5°C |
You may also be interested in other sections of our site for Rerik: Sunrise and Sunset, Tides
These figures shows the average, minimum and maximum monthly sea temperature in Rerik. In addition to the table values, the graph below displays of changes average surface temperature during the year. Values are calculated based on the data over the past 10 years. Using them, you can check the water temperature in Rerik on any day of this period that interests you. Click on the month link and you will see a table for each day, or alternatively you can view the temperature curve of the month and select 2 different years you want to compare, either in a table or as a curve
Month | Avr | Min | Max | |
---|---|---|---|---|
January | 3.1°C | 0.1°C | 7.2°C | cold |
Sea water temperature in Rerik in January | ||||
February | 2.5°C | -0.3°C | 5.5°C | cold |
Sea water temperature in Rerik in February | ||||
March | 3.7°C | 0.2°C | 7.9°C | cold |
Sea water temperature in Rerik in March | ||||
April | 7.2°C | 1.2°C | 13°C | cold |
Sea water temperature in Rerik in April | ||||
May | 12.1°C | 5.6°C | 16.7°C | cold |
Sea water temperature in Rerik in May | ||||
June | 16.6°C | 12.3°C | 21.8°C | cold |
Sea water temperature in Rerik in June | ||||
July | 18.9°C | 16.2°C | 23.5°C | cold |
Sea water temperature in Rerik in July | ||||
August | 19°C | 16°C | 22.7°C | cold |
Sea water temperature in Rerik in August | ||||
September | 16.5°C | 13.4°C | 21°C | cold |
Sea water temperature in Rerik in September | ||||
October | 12.6°C | 9.2°C | 16.7°C | cold |
Sea water temperature in Rerik in October | ||||
November | 8.5°C | 4.1°C | 12.7°C | cold |
Sea water temperature in Rerik in November | ||||
December | 4.7°C | 0.7°C | 7.9°C | cold |
Sea water temperature in Rerik in December |