Submarius
Live diving conditions on your website
A small card with the live wind, waves, vis, and water temperature for your stretch of coast. Paste one snippet of HTML and it keeps itself up to date. No API key, no account, free.
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What the card shows
Wave height, swell, swell period, and wind on every size; the medium card and the full-width banner add the water-visibility estimate with its realistic range and a plain-language confidence label, and the full-width banner also carries water and air temperature. They are the same numbers the Submarius app serves, from the same model: satellite ocean-color data, river-discharge plumes, wave mixing, and diver reports, with the uncertainty shown rather than hidden. The card refreshes itself; visitors always see current conditions, never a stale screenshot.
The fine print
Free for any dive shop, charter, club, or personal site. The snippet includes a small attribution link back to Submarius — please keep it; it's how this stays free. Forecasts are estimates with explicit uncertainty, not guarantees. Conditions can change faster than any forecast; always assess the water yourself before diving.