About John's Boat Harbor
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
Installations
Électricité
Essence
Eau
Douches
Toilettes
Constructeur de bateauxCOORDINATES
38.87821 N, -90.62325 E
Port Information
Téléphone
Berth Sizes
< 10m, 10-20m
Profondeur à la marée basse moyenne
< 2m
Manœuvrabilité
Fair
Channel Marking
Fair
Port d'entrée
No
Overseas Visitor Berths
Yes
Type de quai
Floating
Style Side To
Yes
Tidal Flow
Beware
Active Winter
Yes
Weather Forecast
Tue
5AM - 9AM
21 July 2026
W 6 knots. Gusts up to 21 knots.
25°C
UV Index: 0 - Low
Mostly fine
Tue
9AM - 1PM
21 July 2026
- NW 6–9 knots. Gusts up to 18 knots.
- Increasing from 26 to 32°C
- UV Index: 5 - Moderate
- Mostly fine
Tue
1PM - 5PM
21 July 2026
- NW 8–10 knots.
- 30 to 33°C
- UV Index: 9 - Very High
- Mostly fine