Navico WM-3 SiriusXM Satellite Weather & Radio Module Real-time SiriusXM Marine weather information delivered to your Simrad NS or B&G Zeus display; up to 200 miles offshore and 100 percent of US Inland areas Weather overlay onto chart allows you to see important cartography detail along with weather data Detailed NOAA Marine Zone forecasts and surface buoy reports let you know the conditions offshore before you leave the dock Sea Surface temperature/chart overlay will lead you directly to temperature breaks and eddies to find the most productive fishing spots