Forecast items for marine weather forecasting

More than 20. It mainly includes waves, tides, tidal currents, storm surges, earthquakes and tsunamis, water temperature, salinity, density, sound speed, sea ice, currents and strong winds, typhoons, sea fog, visibility, etc., and has developed from simple ocean condition forecasting to include Application forecasts and professional forecasts of great economic significance such as fishing situation forecasts, best route recommendations, special development operation support services, various marine disaster warnings and marine pollution forecasts.