Lake Champlain

Water, weather & algae alerts

Only for iPhone

Free · Designed for iPhone. Not verified for macOS.

iPhone

Lake Champlain Monitor puts the whole lake in your pocket — real-time conditions, forecasts, and safety info for boaters, anglers, paddlers, and anyone who loves Lake Champlain. WATER CONDITIONS • Live water level and water temperature from USGS gauges (Burlington, Port Henry, Rouses Point) • Trend charts and full historical records going back decades BLUE-GREEN ALGAE (CYANOBACTERIA) • Current cyanobacteria reports from the Vermont Cyanobacteria Tracker and New York DEC, mapped across the lake • Site history for every monitoring location • Set your own algae alerts — get notified when the spots you care about turn unsafe, or when a watched area goes all-clear WEATHER & FORECASTS • National Weather Service forecasts • Wind map and wind forecast • Wave-height forecast • Marine / recreational forecast • Animated weather radar ON THE WATER • Marinas, fuel docks, waterfront dining, and boat ramps — all on one map, with tap-to-toggle layers • Tap any spot to call, get directions, or open its website • Marine towing and emergency contacts, one tap to dial CUSTOM ALERTS • Get notified when water level or temperature crosses thresholds you choose • Algae transition alerts for your favorite spots • Alerts run in the background and are stored only on your device PRIVACY-FIRST • No account, no sign-up, no ads, no tracking • Your alerts and settings never leave your phone Lake Champlain Monitor is an information tool only. Always use official charts and current onboard instruments for navigation and safety-critical decisions. In an emergency, call 911 or hail the U.S. Coast Guard on VHF Channel 16. Data from USGS, NOAA/National Weather Service, the Vermont Department of Health & DEC, and New York State DEC.

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• New: Algae Status list showing the latest reading at each monitoring site • Marinas, fuel docks, boat launches, waterfront dining & bridges — now with addresses • Marine towing, emergency & bridge-tender contacts • Fixed duplicate pins and improved algae bloom alerts • Various performance and reliability improvements

Version 1.0.1

The developer, Lake Champlain Software LLC, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    Seller
    Lake Champlain Software LLC
    Size
    51.2 MB
    Category
    Weather
    Compatibility
    Requires iOS 16.4 or later.
    • iPhone
      Requires iOS 16.4 or later.
    • Mac
      Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    English
    Age Rating
    4+
    Copyright
    © 2026 Lake Champlain Software LLC
  • Privacy Policy