Submarius — public documentation

Methodology, feature explainers, data-source citations, and FAQ for Submarius — the marine-conditions app that gives spearos, divers, anglers, and boaters one verdict per day instead of ten dashboards.

Start here

• Overview — what Submarius is, who it’s for, every feature mapped to its data source.
• FAQ — real questions, plainly answered.
• Glossary — every acronym and term defined (Kd490, Secchi, H3, Case-1/Case-2, CDOM, FNU, EnKF, NDFD, HRRR, …).

Features

• Water clarity forecast
• Bite score
• The GO/NO verdict
• Tides and currents
• Shark alerts
• Safety features — permanently free
• Offline mode
• Privacy and spot protection
• Pro vs Free

Methodology

The deep technical material — what’s actually under the hood.

• Water-clarity model
• Kd490 → Secchi: the optical theory
• Bite-score signals
• Data sources and licences
• Data-honesty principles

Platforms

• iOS
• Web

Press

• Press kit — logos, screenshots, founder bio, boilerplate.
• Coverage log — running list of media mentions.

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This documentation is licensed under CC BY 4.0. Quote, link, adapt; attribution to Submarius appreciated. Source on GitHub.