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Oak Street Beach water temp

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This data the coastal Oak Street 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 Oak Street Beach

Water temperature in Oak Street Beach today is 69.1°F. Based on our historical data over a period of ten years, the warmest water in this day in Oak Street Beach was recorded in 2023 and was 73.9°F, and the coldest was recorded in 2019 at 64°F. Water temperature in Oak Street Beach is expected to drop to 68.9°F in the next 10 days. September average water temperature in Oak Street Beach is 68.9°F, the minimum temperature is 62.4°F, and the maximum is 75.2°F.

The swimming season in Oak Street Beach lasts from July to September. During those months, Oak Street Beach water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Oak Street Beach in winter reaches 36.5°F, in spring 43.7°F, in summer the average temperature rises to 69.1°F, and in autumn it is 59.2°F.

Oak Street Beach water temperature now


September 5, 2025
today temp
69.1°F
September 4, 2025
yesterday temp
70.7°F


Surf Forecast in Oak Street 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 Oak Street 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 Oak Street Beach. Data in table shown for September 5, 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

0-3 h3-6 h6-9 h9-12 h
1' 3"1' 7"1' 10"1' 8"
0.37 m0.48 m0.56 m0.52 m
12-15 h15-18 h18-21 h21-24 h
1' 11"1' 10"1' 10"1' 8"
0.58 m0.56 m0.57 m0.5 m

Surf report in Oak Street Beach

Oak Street Beach wave height and direction

Oak Street Beach weather forecast

Oak Street Beach wind speed and direction

Current temperature and weather

Data in a table show Oak Street Beach temperature today (September 5, 2025). For more information and forecast for a few days, go to the weather forecast Oak Street Beach.

0-3 h3-6 h6-9 h9-12 h
59.9°F59.9°F59.2°F61.2°F
12-15 h15-18 h18-21 h21-24 h
66.4°F67.8°F64.9°F61.2°F

You may also be interested in other sections of our site for Oak Street Beach: Sunrise and Sunset, Tides

Oak Street Beach water temperature by month

These figures shows the average, minimum and maximum monthly water temperature in Oak Street 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 Oak Street 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

MonthAvrMinMax
January35.1°F30.2°F41.7°Fcold
Water temperature in Oak Street Beach in January
February33.6°F30.6°F37.9°Fcold
Water temperature in Oak Street Beach in February
March36.5°F31.1°F45.1°Fcold
Water temperature in Oak Street Beach in March
April42.8°F35.1°F51.4°Fcold
Water temperature in Oak Street Beach in April
May51.8°F43.7°F65.7°Fcold
Water temperature in Oak Street Beach in May
June62.6°F54.1°F72.5°Fcold
Water temperature in Oak Street Beach in June
July71.2°F60.8°F78.1°Fwarm
Water temperature in Oak Street Beach in July
August73.2°F64.2°F77.5°Fwarm
Water temperature in Oak Street Beach in August
September68.9°F62.4°F75.2°Fwarm
Water temperature in Oak Street Beach in September
October59.2°F49.5°F68.7°Fcold
Water temperature in Oak Street Beach in October
November49.3°F39.9°F58.3°Fcold
Water temperature in Oak Street Beach in November
December40.6°F32.2°F47.5°Fcold
Water temperature in Oak Street Beach in December

Chart monthly average water temperature in Oak Street Beach

Water temperature in Oak Street Beach

Where is the warmest sea water in the world?

If you want to plan a vacation on the beach and enjoy the warm sea, choose the day of the year, region and the minimum comfortable sea/ocean temperature that interests you. As a result, you will get a list of countries and cities in which the average sea temperature or maximum temperature on this day over the past 10 years exceeds your chosen value

Region
Date (day and month)
Water temperature: min 60°F
 Average temperature  Maximum temperature

Nearby beaches and cities

The nearest beaches and cities from Oak Street Beach with the water temperature today, as well as the air temperature and the state of the weather during the day and the average wave height for today

WaterWeatherWave
North Avenue Beach69.1°F68°F1' 8"
Foster Beach68.9°F68°F1' 8"
South Shore Beach71.8°F66.2°F1' 5"
Calumet Park72°F66.2°F1' 8"
Gary71.1°F66.2°F1' 5"
Ogden Dunes70.2°F66.2°F2' 0"
West Beach70.5°F66.2°F2' 0"
Portage70.5°F66.2°F2' 0"
Marquette Beach70.5°F66.2°F2' 0"
Burns Harbor69.6°F66.2°F2' 0"

Illinois photo gallery

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[1] - The "Blue Flag" is awarded to beaches which fulfill a number of criteria, including: the quality of the bathing water, which must be in accordance with the relevant European Union Directive environmental education and information and beach area management and safety.

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Our report for Oak Street Beach is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

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