ShoalScope
US coasts
Layers
Colour map
This map is published in a fixed colour scheme; other colour maps arrive with the next update.
My draft
How much water your boat or board needs. Water shallower than draft + safety margin is tinted red and flagged when you tap.
m
Tap two or more points
Tap the map to set the start
Depth below MLLW · mShoal
Reading depth…
0.0m
0.0 ft · below MLLW
No depth hereLand, or water deeper than the maps show.
My draft
m
Red tint and tap warnings use draft + safety.
Depths are below mean lower low water. Add the tide.