Garmin GPSMAP 431 Owner's Manual - Page 80
Viewing Sea Conditions, Understanding Water Temperature Data, Viewing Fish Forecasting
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Using XM WX Weather and Audio Understanding Water Temperature Data The Water Temperature feature indicates the water's surface temperature, as indicated by the legend on the left of the screen. The temperature breaks are indicated by isotherm lines. 2. Select a species of fish. Shaded areas indicate optimal fishing areas. Viewing Sea Conditions Sea Conditions provide surface conditions including winds, wave height, wave period, and wave direction. To view sea conditions, from the Home screen, select Information > Weather > Sea Conditions. Understanding Surface Winds Wind barbs indicate from which direction the wind is coming. The wind barb is a circle with a tail. Wind speed is indicated by the different combination of flags that are attached to the tail. Wind Direction Viewing Fish Forecasting This feature shows areas that contain optimal weather conditions for specific species of fish. 1. From the Home screen, select Information > Weather > Fishing > MENU > Fish Species. 74 Calm 5 knots 10 knots 15 knots 20 knots 50 knots Understanding Wave Height The Wave Height feature shows wave heights. The wave heights for an area are shown in color intensities. GPSMAP 400/500 Series Owner's Manual