Surface Pressure Patterns; High / Low Pressure (Blue And Red); Warm Front (Red); Cold Front (Blue) - Raymarine LIGHTHOUSE 3 Advanced Operation Instructions

Surface pressure patterns

The Surface pressure layer uses standard meteorological patterns to represent surface pressure
conditions.
Symbol
Weather mode
Description

High / low pressure (Blue and Red)

Warm front (Red)

Cold front (Blue)

Occluded front (Purple)
Stationary front (Red-Blue)
Trough (Brown)
Squall line (Red)
Dry line (Red)
Isobars (Gray)
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