Hamlin Beach water temp
This data the coastal Hamlin Beach 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 Hamlin Beach
Water temperature in Hamlin Beach today is 69.8°F. Based on our historical data over a period of ten years, the warmest water in this day in the Lake Ontario near Hamlin Beach was recorded in 2018 and was 75.7°F, and the coldest was recorded in 2019 at 68.2°F. Water temperature in Hamlin Beach is expected to drop to 69.1°F in the next 10 days. September average water temperature in Hamlin Beach is 69.1°F, the minimum temperature is 62.6°F, and the maximum is 75.7°F.
The swimming season in Hamlin Beach lasts from July to September. During those months, Hamlin Beach water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Hamlin Beach in winter reaches 40.3°F, in spring 40.3°F, in summer the average temperature rises to 67.6°F, and in autumn it is 59.5°F.
Hamlin Beach water temperature now
| September 5, 2025 |
|---|
| today temp |
| 69.8°F |
| September 4, 2025 |
|---|
| yesterday temp |
| 69.8°F |
Surf Forecast in Hamlin Beach 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 Hamlin Beach. 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 Hamlin Beach. Data in table shown for September 6, 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' 10" | 0' 9" | 0' 8" | 0' 7" |
| 0.25 m | 0.22 m | 0.2 m | 0.17 m |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 0' 11" | 0' 11" | 1' 5" | 2' 0" |
| 0.27 m | 0.29 m | 0.44 m | 0.6 m |
Surf report in Hamlin Beach
Hamlin Beach weather forecast
Current temperature and weather
Data in a table show Hamlin Beach temperature today (September 6, 2025). For more information and forecast for a few days, go to the weather forecast Hamlin Beach.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 |  |  | |
| 56.7°F | 52.5°F | 50.2°F | 53.6°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
 | | | |
| 69.3°F | 75.6°F | 75.9°F | 71.6°F |
You may also be interested in other sections of our site for Hamlin Beach: Sunrise and Sunset, Tides
Hamlin Beach water temperature by month
These figures shows the average, minimum and maximum monthly water temperature in Hamlin Beach. 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 Hamlin Beach 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 | 39.9°F | 34.2°F | 44.8°F | cold |
| Water temperature in Hamlin Beach in January | ||||
| February | 37.4°F | 30.9°F | 40.3°F | cold |
| Water temperature in Hamlin Beach in February | ||||
| March | 36.7°F | 31.3°F | 42.4°F | cold |
| Water temperature in Hamlin Beach in March | ||||
| April | 38.8°F | 32.7°F | 44.4°F | cold |
| Water temperature in Hamlin Beach in April | ||||
| May | 45.3°F | 37.4°F | 62.1°F | cold |
| Water temperature in Hamlin Beach in May | ||||
| June | 58.6°F | 41.2°F | 70.5°F | cold |
| Water temperature in Hamlin Beach in June | ||||
| July | 71.4°F | 58.8°F | 77.5°F | warm |
| Water temperature in Hamlin Beach in July | ||||
| August | 73°F | 63.9°F | 77.4°F | warm |
| Water temperature in Hamlin Beach in August | ||||
| September | 69.1°F | 62.6°F | 75.7°F | warm |
| Water temperature in Hamlin Beach in September | ||||
| October | 59.7°F | 51.3°F | 68.2°F | cold |
| Water temperature in Hamlin Beach in October | ||||
| November | 49.6°F | 42.4°F | 56.8°F | cold |
| Water temperature in Hamlin Beach in November | ||||
| December | 43.5°F | 38.8°F | 49.3°F | cold |
| Water temperature in Hamlin Beach in December | ||||
Chart monthly average water temperature in Hamlin Beach
