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North Point Marina is a marina in Winthrop Harbor, IL. Powerboat charters and rentals.

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Typical flow by month

1967 to 2026

The water at North Point Marina typically runs highest in April, at a median 160 cfs, and lowest in September, at 5.2 cfs. The highest flow on record for any single day is 3,260 cfs, in 2004.

Typical flow by month at Des Plaines River at Russell, IL, in cfs
MonthTypical (cfs)Usual range (cfs)Relative level
January3013 to 78
February4213 to 139
March15573 to 292
April16074 to 317
May7835 to 190
June4013 to 130
July135.3 to 70
August6.22.1 to 23
September5.21.4 to 34
October103.0 to 34
November2611 to 77
December4113 to 108

Typical is the median of each month’s daily median values, and the usual range runs from the median 25th to the median 75th percentile, across about 59 years of record. Statistics published by the US Geological Survey for Des Plaines River at Russell, IL (site 05527800). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.

Current conditions

65Maybe/ 100 conditions scoreBest day: Sun, Sep 27 (94)

Waves

3.1 ft @ 4s

Wind

12 kt

Gusts 21 kt

Air

59°F

Rain chance

10%

Forecast outlook

Tue3.6ft61°F
Wed3.4ft65°F
Thu2.8ft65°F
Fri1.9ft64°F
Sat1.4ft63°F
Sun0.3ft66°F

Forecast from Open-Meteo global models (NOAA & ECMWF). See full conditions →

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