Waves - Great Lakes

Waves - Great Lakes makes public Great Lakes boating data easier to use before you leave the dock.

Check recent wind, wave, water-temperature, and harbor observations from public sources across the Great Lakes. See a clean map of active reporting stations, a plain-language nearshore forecast, official weather and marine alerts, buoy trends, public lake cameras, and a simple departure planner.

Features:

- Recent NOAA buoy observations for wind, waves, wave period, water temperature, air temperature, and pressure
- Great Lakes map with wave, wind, and buoy layers
- Clear report freshness indicators so missing data is never presented as current
- Official NWS nearshore forecasts and active marine-relevant alerts
- Buoy history charts and public lake-camera viewers from credited providers
- NOAA CO-OPS harbor water levels, water temperature, and wind
- WeatherKit or NWS shore-weather summary
- Trip-planning view for a planned departure time and destination
- Anchor Lock, which monitors your selected radius and raises an on-device alarm if the device leaves it
- Cached last-successful conditions for reviewing data when coverage drops
- Completely free with no account, subscription, in-app purchases, or ads

Important: Waves - Great Lakes is a planning aid. It is not a navigation system, chartplotter, emergency service, or substitute for official forecasts, required navigation equipment, prudent seamanship, or your own judgment. Public observations can be missing, delayed, seasonal, or incorrect. Always review official NWS, NOAA, and Canadian information before leaving the dock.