Rocky River water temp
This data the coastal Rocky River 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.
Current water temperature in Rocky River
Water temperature in Rocky River today is 71.1°F. Based on our historical data over a period of ten years, the warmest water in this day in the Lake Erie near Rocky River was recorded in 2016 and was 74.5°F, and the coldest was recorded in 2014 at 66.4°F. Water temperature in Rocky River is expected to drop to 67.8°F in the next 10 days. September average water temperature in Rocky River is 72°F, the minimum temperature is 64.9°F, and the maximum is 78.1°F.
The swimming season in Rocky River lasts from June to September. During those months, Rocky River water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Rocky River in winter reaches 37°F, in spring 45°F, in summer the average temperature rises to 72.7°F, and in autumn it is 61.9°F.
Rocky River water temperature now
| September 23, 2025 |
|---|
| today temp |
| 71.1°F |
| September 22, 2025 |
|---|
| yesterday temp |
| 71.2°F |
Surf Forecast in Rocky River for today
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 Rocky River. 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 Rocky River. Data in table shown for September 23, 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' 6" | 0' 6" | 0' 8" | 0' 7" |
| 0.16 m | 0.14 m | 0.21 m | 0.17 m |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 0' 4" | 0' 2" | 0' 2" | 0' 2" |
| 0.1 m | 0.06 m | 0.04 m | 0.05 m |
Surf report in Rocky River
Rocky River weather forecast
Current temperature and weather
Data in a table show Rocky River temperature today (September 23, 2025). For more information and forecast for a few days, go to the weather forecast Rocky River.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 |  |  | |
| 65.5°F | 64.4°F | 62.8°F | 66.6°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| | | |
| 71.8°F | 71.4°F | 69.4°F | 67.1°F |
You may also be interested in other sections of our site for Rocky River: Sunrise and Sunset, Tides
Rocky River water temperature by month
These figures shows the average, minimum and maximum monthly water temperature in Rocky River. 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 Rocky River 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 | 35.4°F | 31.1°F | 42.3°F | cold |
| Water temperature in Rocky River in January | ||||
| February | 34°F | 31.1°F | 39.2°F | cold |
| Water temperature in Rocky River in February | ||||
| March | 36.3°F | 31.5°F | 45.7°F | cold |
| Water temperature in Rocky River in March | ||||
| April | 42.8°F | 34.2°F | 53.6°F | cold |
| Water temperature in Rocky River in April | ||||
| May | 55.6°F | 44.2°F | 69.8°F | cold |
| Water temperature in Rocky River in May | ||||
| June | 67.3°F | 58.5°F | 78.6°F | cold |
| Water temperature in Rocky River in June | ||||
| July | 75.4°F | 69.4°F | 81.7°F | warm |
| Water temperature in Rocky River in July | ||||
| August | 75.6°F | 71.2°F | 80.2°F | warm |
| Water temperature in Rocky River in August | ||||
| September | 72°F | 64.9°F | 78.1°F | warm |
| Water temperature in Rocky River in September | ||||
| October | 62.6°F | 53.8°F | 72°F | cold |
| Water temperature in Rocky River in October | ||||
| November | 51.1°F | 42.4°F | 60.8°F | cold |
| Water temperature in Rocky River in November | ||||
| December | 41.7°F | 34.3°F | 50.4°F | cold |
| Water temperature in Rocky River in December | ||||
Chart monthly average water temperature in Rocky River
