This data the coastal Eagle Harbor 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 Eagle Harbor today is 61.7°F. Based on our historical data over a period of ten years, the warmest water in this day in the Lake Superior near Eagle Harbor was recorded in 2024 and was 65.1°F, and the coldest was recorded in 2014 at 49.1°F. Water temperature in Eagle Harbor is expected to drop to 58.1°F in the next 10 days. September average water temperature in Eagle Harbor is 59.5°F, the minimum temperature is 47.3°F, and the maximum is 68.4°F.
Throughout the year, the water temperature in Eagle Harbor does not rise above 68°F and therefore is not suitable for comfortable swimming. But on some days of August, the water temperature warms up to 68°F and above. The average water temperature in Eagle Harbor in winter reaches 36.9°F, in spring 35.2°F, in summer the average temperature rises to 50°F, and in autumn it is 51.8°F.
September 17, 2025 |
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today temp |
61.7°F |
September 16, 2025 |
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yesterday temp |
61.9°F |
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 Eagle Harbor. 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 Eagle Harbor. Data in table shown for September 17, 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' 3" | 0' 11" | 1' 3" | 1' 0" |
0.08 m | 0.29 m | 0.37 m | 0.31 m |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
---|---|---|---|
1' 1" | 0' 11" | 0' 7" | 0' 6" |
0.34 m | 0.27 m | 0.19 m | 0.14 m |
Data in a table show Eagle Harbor temperature today (September 17, 2025). For more information and forecast for a few days, go to the weather forecast Eagle Harbor.
0-3 h | 3-6 h | 6-9 h | 9-12 h |
---|---|---|---|
![]() | ![]() | ![]() | ![]() |
66°F | 65.8°F | 63°F | 61.3°F |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
---|---|---|---|
![]() | ![]() | ![]() | ![]() |
61.9°F | 60.8°F | 58.3°F | 55.2°F |
You may also be interested in other sections of our site for Eagle Harbor: Sunrise and Sunset, Tides
These figures shows the average, minimum and maximum monthly water temperature in Eagle Harbor. 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 Eagle Harbor 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 | 36.7°F | 31.3°F | 40.8°F | cold |
Water temperature in Eagle Harbor in January | ||||
February | 34.2°F | 31.3°F | 37.6°F | cold |
Water temperature in Eagle Harbor in February | ||||
March | 33.6°F | 30.6°F | 37.9°F | cold |
Water temperature in Eagle Harbor in March | ||||
April | 34.9°F | 31.1°F | 38.8°F | cold |
Water temperature in Eagle Harbor in April | ||||
May | 37°F | 33.3°F | 41.9°F | cold |
Water temperature in Eagle Harbor in May | ||||
June | 39.7°F | 34.7°F | 49.8°F | cold |
Water temperature in Eagle Harbor in June | ||||
July | 49.1°F | 38.3°F | 66.4°F | cold |
Water temperature in Eagle Harbor in July | ||||
August | 61°F | 43.2°F | 71.6°F | cold |
Water temperature in Eagle Harbor in August | ||||
September | 59.5°F | 47.3°F | 68.4°F | cold |
Water temperature in Eagle Harbor in September | ||||
October | 51.8°F | 43.7°F | 64°F | cold |
Water temperature in Eagle Harbor in October | ||||
November | 44.2°F | 39°F | 50.9°F | cold |
Water temperature in Eagle Harbor in November | ||||
December | 39.7°F | 35.8°F | 43.3°F | cold |
Water temperature in Eagle Harbor in December |