John's Boat Harbor
Facilities & Weather Forecast

Marina Image
Marina Image
Marina Image

John's Boat Harbor

Marina in United States

Located at 2407 Hwy C, St Charles, MO 63301, United States Member only Marina on the Mississppi River Upper Mississippi River Mile Marker 231.8

View WebsiteGet Directions

John's Boat Harbor Facilities

icon
Electricity
icon
Petrol
icon
Water
icon
Showers
icon
Toilets
icon
Boatbuilder
38.87821 N, -90.62325 E

John's Boat Harbor Information

Active Winter Community?

Yes

Manoeuvrability

Fair

Approaches & Channel Marking

Fair

Dock Type

Floating

Depth at MLW

< 2m

Current/Tidal Flow

Beware

Port of Entry

No

Visitor Berths

Yes

Telephone
+16369462073

John's Boat Harbor Weather Forecast

Mon
5AM - 9AM
29 December 2025
  • wind icon
    NW 13–18 knots. Gusts up to 30 knots.
  • temp icon
    −9 to −6°C
  • sun icon
    UV Index: 0 - Low
  • rain icon
    Mostly fine
Mon
9AM - 1PM
29 December 2025
  • wind icon
    NW 11–17 knots. Gusts up to 27 knots.
  • temp icon
    Increasing from −6 to −2°C
  • sun icon
    UV Index: 1 - Low
  • rain icon
    Partly cloudy
Mon
1PM - 5PM
29 December 2025
  • wind icon
    NW 14 knots decreasing to 11 knots. Gusts up to 24 knots.
  • temp icon
    −4 to −1°C
  • sun icon
    UV Index: 0 - Low
  • rain icon
    Mostly fine
local knowledge on phone

Get more info and accurate weather forecasts.

Download the PredictWind App for world-leading weather forecasts and info on your next destination including marine locations, amenities, activities, attractions, local hazards and more.

Download Free App