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3. 3D DISPLAY, OVERLAYS
3-11
How to display the tidal current graph
Tap a tidal current icon to display the pop-up window. Tap the pop-up window to show
the [Current] graph window
How to read the tidal current graph
• Vertical axis: Speed, Horizontal axis: Time
• The information is mostly accurate under moderate weather conditions. However,
storms and weather fronts can influence forecasted tidal current directions and
speeds.
• Drag the time scale at the bottom of the screen sideways then read the tidal current
speed at the selected time (drag to the left to display the future information, right for
the past information).
• To set the time scale to the current time, tap the clock icon at the bottom left-hand
corner of the screen to show the clock mark in yellow-white.
• To return to the plotter display, tap the Close icon at the top right-hand corner of the
screen.
Time scale
Tidal current speed at the selected timeClock icon
Clock icon for the current time Clock icon other than the current time