Viewing A Marine Forecast Or An Offshore Forecast; Viewing Forecast Information For Another Time Period; Weather Fronts And Pressure Centers - Garmin GPSMAP 84 Series Owner's Manual

Viewing a Marine Forecast or an Offshore Forecast

1 Select Charts > Forecast.
2 Pan the chart to an offshore location.
The Marine Forecast or Offshore Forecast options appear when forecast information is available.
3 Select Marine Forecast or Offshore Forecast.

Viewing Forecast Information for Another Time Period

1 Select Charts > Forecast.
2 Select an option:
• To view the weather forecast for the next 48 hours, in 12-hour increments, select
• To view the weather forecast for the previous 48 hours, in 12-hour increments, select
times.

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 counterclock­
wise 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.
SiriusXM Weather
Description
Cold front
Warm front
Stationary front
Occluded front
Trough
multiple times.
multiple
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