SPI Solunar

Solunar bite times, tides, weather and water temperature for South Padre Island and Port Isabel, Texas, on one phone-friendly page.

Live app: https://darkwaterscapital.github.io/spi-solunar/

Install on your phone

• Android (Chrome): open the link, tap the ⋮ menu, then Add to Home screen (or Install app).
• iPhone (Safari): open the link, tap Share, then Add to Home Screen.

It then opens full screen from its own icon. Without signal it shows the last data it saved.

Where the data comes from

• Solunar periods, sunrise, sunset and moon phase are calculated on the phone.
• Tides and water temperature: NOAA CO-OPS stations 8779750 (Brazos Santiago Pass), 8779748 (SPI Coast Guard Station) and 8779770 (Port Isabel).
• Weather and waves: Open-Meteo, free for non-commercial use.

The bite index is a planning guide, not a promise. Check the NWS marine forecast before running offshore.