Garmin GPSMAP 721xs Guide User Manual - Page 11

Browse online or download pdf User Manual for Marine GPS System Garmin GPSMAP 721xs Guide. Garmin GPSMAP 721xs Guide 28 pages. Technical reference for garmin nmea 2000 products
Also for Garmin GPSMAP 721xs Guide: Installation Instructions Manual (12 pages), Reference Manual (2 pages), Product Information (37 pages), Instructions Manual (28 pages), Template (2 pages), Declaration Of Conformity (6 pages), Configuration Manual (2 pages), Reference (42 pages), Quick Start Manual (4 pages), Installation Instructions Manual (8 pages), Owner's Manual (38 pages)

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Garmin GPSMAP 721xs Guide User Manual
Surface Winds
Surface wind vectors appear on the Sea Conditions chart using wind
barbs that indicate the direction from which the wind is blowing. A wind
barb is a circle with a tail. The line or flag attached to the tail of the wind
barb indicates the wind speed. A short line represents 5 knots, a long line
represents 10 knots, and triangle represents 50 knots.
Wind Barb Wind Speed Wind Direc-
tion
Calm
5 knots
10 knots
15 knots
20 knots
50 knots
65 knots
GPSMAP 400/500 Series Weather Supplement
Wave Height, Wave Period, and Wave Direction
Wave heights for an area appear as variations in color. Different colors
indicate different wave heights
➊
screen.
➋
➊
The wave period indicates the time (in seconds) between successive waves.
Wave period lines
indicate areas that have the same wave period.
➌
Wave directions appear on the chart using red arrows
each arrow pointer indicates the direction in which a wave is moving.
XM WX Satellite Weather and Cellular Weather
, as shown in the legend
on the left of the
➋
➌
➍
. The direction of
➍
7