Last updated: July 15, 2026
Place
Current Conditions at Isle Royale
Mark Ambrose
Information
Alerts & Closures
- Air Quality: Hazardous.
- Due to smoke to smoke from regional wildfires, air quality rating on Isle Royale is currently ranging from "unhealthy for sensitive groups" to "hazardous."
- Ash is falling from the sky.
- See the "Air Quality" section below for more information.
- Red Rocks Fire: On the morning of July 14, 2026, Isle Royale National Park staff confirmed a small fire burning in Tobin Harbor on Red Rock Point. This incident is hereby known as the Red Rocks Fire. The cause of the fire is unknown at this time. Staff are monitoring the site. Updates will be provided as they become available.
- Merritt Lane Campground: Closed.
- Due to the Red Rocks Fire, Merritt Lane Campground, including the tent site, shelter, and dock, is closed. Merritt Lane Campground is also closed to day use. This closure remains in effect until further notice and is necessary to ensure visitor health and safety. Closed areas will be patrolled to ensure compliance.
- Off-trail Camping Zone 9 is closed.
- Merritt Lane Campground: Closed.
- Three Mile Campground: Tent camping is closed.
- Individual tent sites are closed.
- Group tent sites are closed.
- Tent camping is not permitted anywhere within the campground.
- Hammock camping is not permitted anywhere within the campground.
- Shelters remain open.
- Food, trash, and scented items must be stored in animal-resistant, hard-sided containers or food storage lockers.
- Backpacks must be stored in shelters.
- Due to the increasing frequency of wolves entering tents and stealing backpacks at the tent and group campsites, this closure is necessary to maintain public health and safety.
- Closed areas will be patrolled to ensure compliance.
- Off-Trail Camping Zones: The off-trail camping zones surrounding Three Mile Campground are closed.
- Zone 11
- Zone 12
- Zone 33
- Duncan Narrows Campground: Closed.
- Tent site is closed.
- Shelters are closed.
- Dock is closed.
- Day use of campground is closed.
- Due to the increasing frequency of wolf-human interactions, and continued non-compliance with food storage regulations in this campground, it is closed to all visitor use.
- Closed areas will be patrolled to ensure compliance.
- Food Storage: Follow food storage regulations (updated for 2026).
- Food storage lockers have been allocated in all campgrounds.
- Rock Harbor Lighthouse: The tower is closed.
- Boaters: Some USCG navigational buoys are not in the water.
- Malone Bay Campground: Shelters reserved July 21-24, 2026.
- At Malone Bay, July 21 - 24, 2026, all shelters are reserved for a permitted youth group.
- The dock is open per normal regulations.
- Tent camping is available in the group campsites.
Air Quality
- The Michigan Department of Environment, Great Lakes, and Energy (EGLE) has issued an Air Quality Alert for July 15 and July 16 2026, for elevated levels of fine particulate due to wildfire smoke.
- Pollutants are expected to range from "unhealthy for sensitive groups" to "unhealthy."
- Hourly concentrations at times may reach "very unhealthy" to "hazardous."
- Plumes of smoke from Canadian wildfires will continue moving into the region this week.
- It is recommended that, when possible, avoid strenuous outdoor activities, especially those with heart disease and respiratory conditions like asthma.
- Air Quality Alert
Weather
- Variable Conditions: Shorelines can be cold, while inland areas and ridges can be hot. Temperatures can swing 20+/- degrees. Pack layers and prepare for intermittent cold nights.
- Recreational Weather Forecast
Water
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No algal blooms have been reported at this time.
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Suspected blooms are tested for toxin levels and monitored when possible. Given the consistently low toxin levels of blooms on Isle Royale, water quality safety guidance has been updated:
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It is not recommended to filter water in any areas where there is surface scum, strong odors, or other evidence of a significant bloom.
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Blooms move around depending on wind and rain – filter water from places where blooms are not present or a different water source.
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It is low risk to filter water from relatively clear areas of an impacted water source.
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Wildlife
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Bug Report: There are many, many mosquitos and black flies. Consider packing bug spray and/or a head net.
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Wolf activity is high on both ends of the island. Proper food storage considerations are critical.
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Follow food storage regulations.
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Review wildlife safety information.
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Wolf hazing efforts are ongoing to deter negative wolf behavior.
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Report any wolf sightings to a ranger as soon as possible.
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Cow moose are with calves. Maintain caution when encountering moose and maintain a safe distance.
Facilities
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Potable Water
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Windigo / Ozaagaateng: Available.
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Rock Harbor: Available.
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Restrooms: Bring toilet paper for use in outhouses.
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Windigo / Ozaagaateng: Open.
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Rock Harbor: Open.
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Showers & Laundry
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Windigo / Ozaagateng: Open.
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Rock Harbor: Open.
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Trash Disposal
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Windigo / Ozaagaateng: Not available. Pack out all trash.
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Rock Harbor: Available. Pack out all trash whenever possible.
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- Visitor Center Hours:
- Rock Harbor Visitor Center: Open daily. 8:00 am - 5:00 pm ET
- Windigo/Ozaagaateng Visitor Center: Open daily. 8:00 am - 5:00 pm ET
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Rock Harbor Lodge: Open.
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Washington Harbor Store: Open.
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Boat Fuel: Gasoline and Diesel
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Windigo / Ozaagaateng: Available. See Washington Harbor store.
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Rock Harbor: Available. See dock attendant.
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Camping
- Malone Bay Campground: Shelters reserved July 21-24, 2026.
- At Malone Bay, July 21 - 24, 2026, all shelters are reserved for a permitted youth group.
- The dock is open per normal regulations.
- Tent camping is available in the group campsites.
- Merritt Lane Campground: Closed.
- Due to the Red Rocks Fire, Merritt Lane Campground, including the tent site, shelter, and dock, is closed. Merritt Lane Campground is also closed to day use. This closure remains in effect until further notice and is necessary to ensure visitor health and safety. Closed areas will be patrolled to ensure compliance.
- Off-trail Camping Zone 9 is closed.
- Three Mile Campground: Tent camping is closed.
- Individual tent sites are closed.
- Group tent sites are closed.
- Tent camping is not permitted anywhere within the campground.
- Hammock camping is not permitted anywhere within the campground.
- Shelters remain open.
- Food, trash, and scented items must be stored in animal-resistant, hard-sided containers or food storage lockers.
- Backpacks must be stored in shelters.
- Due to the increasing frequency of wolves entering tents and stealing backpacks at the tent and group campsites, this closure is necessary to maintain public health and safety.
- Closed areas will be patrolled to ensure compliance.
- Off-Trail Camping Zones: The off-trail camping zones surrounding Three Mile Campground are closed.
- Zone 11
- Zone 12
- Zone 33
- Duncan Narrows Campground: Closed.
- Tent site is closed.
- Shelters are closed.
- Dock is closed.
- Day use of campground is closed.
- Due to the increasing frequency of wolf-human interactions, and continued non-compliance with food storage regulations in this campground, it is closed to all visitor use.
- Closed areas will be patrolled to ensure compliance.
- Food Storage: Follow food storage regulations (updated for 2026).
- Food storage lockers have been allocated in all campgrounds.
- Daisy Farm Campground: Beaver activity is changing the landscape of this campground. Expect wet conditions.
Trails
- Trail crews are working to clear down trees, but many still exist on trails. Expect slow hiking conditions.
- Trails are very muddy and waterlogged in some areas. Expect to get wet.
- Cairns (rock stacks): Rock cairns are intentionally placed for navigation purposes. Do not knock down cairns or build new cairns.
Wildland Fire
- Red Rocks Fire: On the morning of July 14, 2026, Isle Royale National Park staff confirmed a small fire burning in Tobin Harbor on Red Rock Point. This incident is hereby known as the Red Rocks Fire. The cause of the fire is unknown at this time. Staff are monitoring the site. Updates will be provided as they become available.
- Moderate risk.
- Use caution with campfires.
- Have campfires only in designated areas: select campgrounds with fire rings or metal grated grills.
- Under no circumstances are illegal fires or fires outside of designated campgrounds permitted.
- Campfires are not permitted in man-made rock rings. Any campfire in a rock ring is an illegal fire.
- Never leave a campfire burning unattended. Make sure all campfires are dead out.
- Use dead and down wood only, no bigger than your wrist. Do not burn trash.
- National wildland fire outlook.