Biocast-Bioluminescence Alerts

Biocast forecasts marine bioluminescence, the natural glow (also called sea sparkle) that lights up the water on some nights, at coastal locations around New Zealand. It shows you which beaches are worth a look tonight, and can alert you when conditions line up. How it works Each location gets a likelihood score from a model that weighs dozens of ocean and weather variables: phytoplankton and chlorophyll, sea surface temperature and its anomalies, recent sunlight, nitrate, dissolved oxygen and pH, days since the last rainfall and the runoff behind it, plus the wind, swell, tide and chop that decide whether you will actually see anything on the night. Live sightings from visitors run alongside the forecast, and recent confirmed sightings carry the most weight. What you get - A nightly likelihood rating for each beach, from Very Low to Very High - The best hour of the evening to look,…