Weather Fronts And Pressure Centers; City Forecasts; Viewing Fish Mapping Data - Garmin GPSMAP 7400 Series Owner's Manual

Weather Fronts and Pressure Centers

Weather fronts appear as lines that indicate the leading edge of an air mass.
Front Symbol
Pressure-center symbols often appear near weather fronts.
Pressure-Center
Description
Symbol
Indicates a low-pressure center, which is a region of relatively lower pressure. Moving away
from a low-pressure center results in increased pressure. Winds flow counterclockwise
around low-pressure centers in the northern hemisphere.
Indicates a high-pressure center, which is a region of relatively higher pressure. Moving
away from a high-pressure center results in decreased pressure. Winds flow clockwise
around high-pressure centers in the northern hemisphere.

City Forecasts

City forecasts appear as weather symbols. The forecast is viewed in 12-hour increments.
Symbol Weather
Partly cloudy
Cloudy
Windy
Thunderstorms
Smoke (dusty, hazy)

Viewing Fish Mapping Data

NOTE: This feature is not available on all products or subscriptions.
The Fish Mapping weather chart shows information that can help you locate fish species.
1 Select Charts > Fish Mapping.
2 If necessary, select Menu > Layers, and turn on and off information.
SiriusXM Weather
Symbol Weather
Fair (sunny, hot, clear)
Rain (drizzle, sleet, showers)
Foggy
Snow (snow showers, flurries, blizzard, blowing snow, sleet, freezing
rain, freezing drizzle)
Description
Cold front
Warm front
Stationary front
Occluded front
Trough
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