CyanoLakes 4+

Your Weather App for Lakes

CyanoLakes (Pty) Ltd

Designed for iPhone

    • 5.0 • 3 Ratings
    • Free
    • Offers In-App Purchases

iPhone Screenshots


Weather-like information for cyanobacterial and algal blooms for the world's lakes.

Access cyanobacteria health risk levels based on the World Health Organisation’s guidelines for any lake on earth* from satellite imagery.

Make informed decisions and stay clear of potentially toxic cyanobacteria blooms with advisories for full and partial contact water sports. Use while fishing, boating, skiing and doing water sports.

Search for lakes near you or add a new one by dropping a pin on the map. Easily add or remove lakes from your list.

Daily updates depend on cloud, ice and/or snow cover.

Subscribe monthly or annually to unlock premium features:
• 10-day forecasts
• High-definition satellite imagery with maps for chlorophyll-a, blooms, vegetation and more
• Alerts sent to your notifications centre
• Additional statistical information including areal coverage statistics
• Up to 10 lakes

Free version includes:
• Cyanobacteria health risk levels based on WHO guidelines
• Recreational advisories for full and partial-contact water sports
• Trophic status based on OECD guidelines
• Up to 4 lakes

Payment will be charged to your account at the confirmation of purchase. The subscription automatically renews unless it is cancelled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions by going to your account settings after purchase. Cancellation of the current active subscription period is not allowed.

For more details, visit

Terms of Use:
Privacy Policy:

© CyanoLakes (2015-2023)

* size limits apply, must at least 500 m or 1640 ft wide

What’s New

Version 2.0.6

Fixes restore subscriptions
Mandatory update for subscriptions

Ratings and Reviews

5.0 out of 5
3 Ratings

3 Ratings


Annual Premium Subscription
Annual Premium Subscription
Upgrade to annual and save
Monthly Premium Subscription
Monthly Premium Subscription
Subscribe to unlock premium features
Free Trial

App Privacy

The developer, CyanoLakes (Pty) Ltd, 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 based on, for example, the features you use or your age. Learn More


  • Family Sharing

    Some in‑app purchases, including subscriptions, may be shareable with your family group when Family Sharing is enabled.

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