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8 GPSMAP 4000/5000/6000/7000 Series Weather and XM Satellite Radio Supplement
XM WX Satellite Weather and Cellular Weather
Visibility is the forecast maximum horizontal distance that can be seen at the surface, as shown in the legend
➊
on
the left of the screen. Variations in the visibility shading
➋
show the forecast change in surface visibility.
➊
➋
Viewing Visibility Information
From the Home screen, select > .
Viewing Forecast Visibility Information for Another Time Period
1. From the Home screen, select > .
2. Complete an action:
• To view the visibility forecast for the next 12 hours, select , and to view forecasts up to 48
hours, in 12-hour increments, select again.
• To view the visibility forecast for the previous 12 hours, select and to view previous
forecasts, up to 48 hours ago, in 12-hour increments, select again.
Viewing Buoy Reports
Report readings are taken from buoys and coastal observation stations. These readings are used to determine air
temperature, dew point, water temperature, tide, wave height and period, wind direction and speed, visibility, and
barometric pressure.
1. From the Home screen, select .
2. Select a weather chart.
3. Select .
4. Select > .
does not appear if the cursor is not near an object. If the cursor is near only one object, the name of the
buoy appears.
Viewing Local Weather Information near a Buoy
You can select an area near a buoy to view forecast information.
1. From the Home screen, select .
2. Select a weather chart.
3. Complete an action:
• Select a location on the chart.
• Drag the screen to pan to a new location, and select the location on the chart.
4. Select .