Access detailed ocean conditions and forecasts for coastal regions from Northern California to south-western Alaska. This free application requires no login and is fully supported by the Hakai Institute.
5.0(6 ratings)
Free
Best Slackwater alternatives: apps like Slackwater — Tides & Currents
10+ similar apps compared and reviewed
4.6 avg rating
10 free apps
Updated November 2026
Looking for something like Slackwater? We've analyzed 10+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.
Top Alternatives to Slackwater
3.5(33 ratings)
FreeIn-App Purchases
Access detailed current prediction charts for the Pacific Northwest, covering regions like the Juan de Fuca Strait and San Juan Islands. View any date or time within the current year with free yearly updates, and use the app offline.
4.7(21 ratings)
FreeIn-App Purchases
Visualize real-time tidal currents with animated particles and a detailed heatmap on an interactive nautical map. Plan your trips with confidence by scrubbing through time to see how currents change throughout the day, with options for global ocean currents and wind overlays.
