Viewing Visibility Information - Garmin GPSMAP 536 Owner's Manual

Understanding Wave Period
The Wave Period feature provides the time (in seconds) between
successive waves.
Understanding Wave Direction
The Wave Direction feature shows the direction in which a wave is
moving, as indicated by the direction of the red arrow.
GPSMAP 400/500 Series Owner's Manual

Viewing Visibility Information

Visibility is the forecast maximum horizontal distance that can be
seen at the surface, as indicated by the legend on the left of the
screen. Contour lines on the Visibility feature show the forecasted
change in surface visibility.
From the Home screen, select
To view the forecasted visibility for another time period:
1. Press right on the rocker
for the next 12 hours is shown.
2. Select next again to view forecasts for the next 24 and 36 hours.
Using XM WX Weather and Audio
information > weather > Visibility.
to select next. The forecasted visibility
5