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

Sat
9AM - 1PM
06 December 2025
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    Light and variable.
  • temp icon
    3°C
  • sun icon
    UV Index: 2 - Low
  • rain icon
    Partly cloudy
Sat
1PM - 5PM
06 December 2025
  • wind icon
    W 3 knots increasing to E 8 knots.
  • temp icon
    1 to 4°C
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    UV Index: 0 - Low
  • rain icon
    Cloudy
Sat
5PM - 9PM
06 December 2025
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    SE 6–10 knots. Gusts up to 22 knots.
  • temp icon
    0 to 3°C
  • sun icon
    UV Index: 0 - Low
  • rain icon
    Cloudy
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