Viewing Fishing Information
The weather Fishing chart shows present water temperature, present surface pressure conditions, and fishing
forecasts.
From the Home screen, select Weather > Fishing.
Surface Pressure and Water Temperature Data
Surface-pressure information appears as pressure isobars and pressure centers. Isobars
equal pressure. Pressure readings can help to determine weather and wind conditions. High-pressure areas are
generally associated with fair weather. Low-pressure areas are generally associated with clouds and the chance
of precipitation. Isobars packed closely together show a strong pressure gradient. Strong pressure gradients are
associated with areas of stronger winds.
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Pressure units are shown in millibars (mb), inches of Mercury (inHg), or hectopascals (hPa).
Colored shading, as defined by the legend
of the water.
Forecasting Fish Locations
Note: This feature is available only if you are receiving XM WX Satellite Weather data. It is not available if you
are receiving cellular weather data.
You can show areas that contain optimal weather conditions for specific species of fish.
1. From the Home screen, select Weather > Fishing > Menu > Fish Species.
2. Select a species of fish.
3. Select Mode > on.
4. Repeat steps 2 and 3 to show areas with optimal weather conditions for additional species of fish.
Shaded areas indicate optimal fishing areas. If you have selected more than one species of fish, you can select a
shaded area to view the fish species that are included in the shaded area.
Visibility Information
Note: This feature is available only if you are receiving XM WX Satellite Weather data. It is not available if you
are receiving cellular weather data.
GPSMAP 4000/5000/6000/7000 Series Weather and XM Satellite Radio Supplement
in the upper-left corner of the display, indicates the surface temperature
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XM WX Satellite Weather and Cellular Weather
connect points of
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