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About

Diversey Harbor is a marina in Chicago, Illinois. The marina is located in Lincoln Park, sheltered within Lake Shore Drive, and can only accommodate power boats due to bridge restrictions. It has 719 slips for boats 25 to 50 feet in length, offers transient docking, a fuel dock with gas and diesel, a two-lane launch ramp, and complimentary pump-out equipment.

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Powerboat

Boat launches near Diversey Harbor

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Typical flow by month

2002 to 2010

The water at Diversey Harbor typically runs highest in May, at a median 591 cfs, and lowest in November, at 397 cfs. The highest flow on record for any single day is 5,150 cfs, in 2010.

Typical flow by month at NB Chicago River at Grand Avenue at Chicago, IL, in cfs
MonthTypical (cfs)Usual range (cfs)Relative level
January417343 to 503
February406348 to 548
March529422 to 728
April486420 to 689
May591486 to 754
June585505 to 719
July536493 to 615
August586521 to 686
September526453 to 597
October433368 to 566
November397354 to 490
December429344 to 573

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 8 years of record. Statistics published by the US Geological Survey for NB Chicago River at Grand Avenue at Chicago, IL (site 05536118). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.

Current conditions

69Maybe/ 100 conditions scoreBest day: Mon, Sep 28 (95)

Waves

2.8 ft @ 4s

Wind

11 kt

Gusts 23 kt

Air

60°F

Water level

-1.98 ft

Normal (67th)

Rain chance

2%

Forecast outlook

Tue3.1ft61°F
Wed3.0ft62°F
Thu2.3ft68°F
Fri1.4ft67°F
Sat1.0ft70°F
Sun0.2ft70°F

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

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