Grafton Harbor
Facilities & Weather Forecast

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Grafton Harbor

Marina in United States

Located on Mile Marker 0 of the Illinois River and Mile Marker 218 of the Mississippi River, Grafton Harbor’s quest is to make your boating experience the finest! Offering 154 covered slips and over 150 uncovered slips Grafton Harbor can accommodate boats of all sizes. The Personal Watercraft Ports give your jet skis fast accessibility to the water. The ports’ in-line rollers make launching easy

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Grafton Harbor Facilities

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Electricity
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Petrol
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Diesel
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Wifi
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Showers
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Sewage
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Toilets
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Recycling
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Food
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Bar
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Boatbuilder
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Laundry
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Supermarket
38.96851 N, -90.43964 E

Grafton Harbor Information

Active Winter Community?

Yes

Manoeuvrability

Fair

Approaches & Channel Marking

Fair

Catamaran Berths

Yes

Dock Type

Floating

Depth at MLW

2 - 3m

Current/Tidal Flow

Beware

Port of Entry

No

Visitor Berths

Yes

VHF Channel

16,68

Grafton Harbor Weather Forecast

Wed
5AM - 9AM
24 December 2025
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    SE 4 knots increasing to 8 knots.
  • temp icon
    8°C
  • rain icon
    Cloudy
Wed
9AM - 1PM
24 December 2025
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    SE 7–9 knots.
  • temp icon
    Increasing from 9 to 14°C
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    UV Index: 1 - Low
  • rain icon
    Cloudy
Wed
1PM - 5PM
24 December 2025
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    S 8 knots decreasing to 6 knots.
  • temp icon
    13 to 16°C
  • sun icon
    UV Index: 0 - Low
  • rain icon
    Cloudy
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