Anchorage off Spar Island
Illinois River
Past nights from AIS since 29 Sept 2025
Where boats stayed: 39.405° N, 90.616° W
1night
2boats
Nights by wind direction
| From | Nights | Boats | Nights in 20 kt+ | Windiest night (area) |
|---|---|---|---|---|
| N | 1 | 1–2 | – | 3.7 ktgusts 6.8 kt |
| NW | 1 | 1–2 | – | 3.9 ktgusts 6.8 kt |
Nearby anchorages
- Anchorage off Wing Island1 night
- Anchorage off Buckhorn Island, Illinois River5 nights
- Anchorage near Bedford, Illinois River2 nights
- Anchorage off Willow Island, Illinois River21 nights
- Anchorage off Hurricane Island, Illinois River1 night
- Anchorage off Clarksville Island1 night
- Anchorage off Westport Island, Hamburg2 nights
- Anchorage in Illinois River1 night
AIS shows only boats that carry it and that a receiver hears, so no boats on AIS never means an anchorage is empty or unsuitable. Boats that live here (at their own berth or mooring, or a week or more in one place) are left out, and boats in marinas and at piers are counted apart from the anchorage's nights. Not for navigation.