How deep is it, really?
Shallow-water depth maps for the water you actually paddle, pole, dive and run. Tap any point, check your draft, plan a route, share a pin.
US coast map Best time to go this weekFree · Paddler $4.99
- ±0.27 mtypical error
- 105 km²of shallows mapped
What you get
Depth at a tap
Tap anywhere on a map and read the depth in metres or feet, with the typical error for that map.
Check your draft
Enter the draft of your boat or board and see at a glance where you float and where you will not. Plan around the flats, not into them.
Know when to go
Every hour of the week scored for your kayak, board or boat from wind, waves, tide and daylight, with the hours you can pass over the shallows. Check your spot.
Latest maps
New depth maps
Every map comes with its typical error, so you know how far to trust it.
All US coasts
Depth for the whole coast
Tap anywhere along the US coast for the depth: 93,123 km² of water under 33 ft (10 m). The detailed maps above are sharper where they exist.
Regions
Where we are mapping

New · Shoreline maps
Watch your coast move
One shoreline for every year since 2017, with where the beach retreats and where it grows measured every 50 m. Two demos are live: the Florida Keys around Marathon, and the Outer Banks at Rodanthe, where the sea is taking up to 28 m of beach a year.
- 1,682measuring lines, Keys demo
- 66 %of the Keys coast stable
- 28 %of the Outer Banks retreating
New · Fishing intelligence
Where the fish are today
Every depth map now ranks the species that live there from the depth and bottom they like, today's water (temperature, clarity, plankton, fronts), the season and the tide, and draws where to look. Tap Fish on any map, or read the species pages: bonefish, permit, tarpon, snook, redfish, snapper, grouper, striped bass and more.
- 35species, flats to drop-off
- 2 kmwater clarity and plankton
- dailywater temperature, fronts and index
Guides
Know the water before you launch
Launch points, tides, hazards and the depth map for each spot.

Abacos Depth Map: The Sea of Abaco, Hope Town, Marsh Harbour and the Cays
Sea of Abaco depths for the main channel, Hope Town and Marsh Harbour entrances, Tahiti Beach sandbars and reefs, with tides, launches and hazards.

Bimini Depth Map: The Flats, the Harbour Entrance and the Gulf Stream Edge
Bimini depths from the harbour channel to the 0-5 ft east-side flats, the Sapona wreck and the Gulf Stream edge, with access, tides and hazards.

Eleuthera and Harbour Island Depth Map: Pink Sand, Sandbars and the Devil's Backbone
Depths for Harbour Island, the Eleuthera sandbars, Spanish Wells, the Devil's Backbone passage and the sheltered west-coast bays, with tides and hazards.
New maps every week
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