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Submarius

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Global water clarity for divers and fishermen.

app•June 20, 2026
ProductivitySafety Tools
What It Does

Details

Submarius is a mobile-first app providing real-time water clarity forecasts and bite scores for fishing, diving, and boating activities. It uses satellite data to predict visibility underwater and provides safety features like shark alerts and GPS sharing without requiring signup or payment.

Who It's For

Best fit users

  • •Divers
  • •Fishermen
  • •Boaters
Why It Matters

Why this one made the cut

Submarius helps users make informed decisions about when and where to engage in water activities by providing accurate clarity forecasts, improving both the experience and safety of these pursuits.

Differentiator

What makes it different

The app uniquely combines multiple data sources including satellite Kd490 turbidity, river discharge plumes, wave mixing, and post-dive reports to offer physically-grounded visibility models, ensuring reliable predictions.

Sources

Where we found it

Sources

GLOBAL · Hacker NewsEN— Jun 21, 2026Visit →

First discovered Jun 21, 2026 · Hacker News