Alger Underwater Preserve
About this Dive Site
Description
The Alger Underwater Preserve in Lake Superior is a treasure trove for wreck enthusiasts, featuring historic vessels like the steam barge 'Herman H. Hettler' and the schooner 'Steven M. Selvick'. Beyond the shipwrecks, divers can also explore unique natural formations and encounter the colorful marine life that inhabits this protected underwater realm.
Best Time to Dive
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 3°C | 3°C | 4°C | 5°C | 8°C | 12°C | 16°C | 18°C | 16°C | 12°C | 9°C | 5°C |
Peak Season
September, October
Jan
Ice diving possible, very cold
Feb
Ice diving conditions
Mar
Ice breaking up, still very cold
Apr
Ice melts, water very cold
More monthly highlights
May
Water warming, visibility improving
Jun
Good visibility, exploring shipwrecks
Jul
Pleasant water temperatures, excellent wreck diving
Aug
Peak summer, best wreck diving conditions
Sep
Clearer water, fall colors starting
Oct
Excellent visibility, dramatic shipwreck exploration
Nov
Water cooling, visibility decreasing
Dec
Water freezing over, limited diving
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