See select NOAA NOS seabed points for harder bottoms only, using a yellow to orange to red gradient
Fish Fathom displays select NOAA NOS seabed type points as individual map markers. This layer focuses on harder bottom classes only.
Colors run from yellow to orange to red to indicate increasing hardness context, matching the in-app hard-bottom legend categories.
These are discrete sampled points, not continuous seafloor coverage. Use them as reference signals while planning, then verify on the water.
Quickly spot where NOAA sampled harder-bottom characteristics that can matter for structure-oriented fishing.
Scan seabed points visually instead of digging through raw data tables before a trip.
Cross-check hard-bottom points with your routes, waypoints, and nearby track activity.
Built from NOAA NOS seabed type point data so you can use a trusted public-data signal.
Yellow to red progression helps you assess harder-bottom context quickly at map level.
This is a harder-bottom point layer, not a full seabed interpolation for every bottom type.
Color: Yellow
Meaning: Firmer bottom signal with shell context.
Use case: Early-screening reference for nearby scouting passes.
Color: Yellow-orange
Meaning: Transition into harder-bottom characteristics.
Use case: Prioritize edge areas when planning drifts or waypoint checks.
Color: Orange
Meaning: Stronger hard-bottom signal with broken-shell/pan context.
Use case: Compare against track behavior and existing marks nearby.
Color: Orange-red
Meaning: Transition toward ledge/reef-like harder bottom.
Use case: Flag for closer map inspection and route adjustment.
Color: Red
Meaning: Highest hard-bottom class in this displayed gradient.
Use case: High-priority reference points for detailed trip planning.
Harder bottoms only: This view is intentionally filtered to hard-bottom classes.
Sampled points: Points indicate where NOAA sampled; areas between points are not inferred.
Best practice: Combine with current conditions and your local knowledge.
Currently Available: Hard-bottom NOAA NOS seabed type points are shown for select locations along U.S. coastlines where station data is available.
How to read it: Use points as trusted sample references while combining them with charts, weather, and your on-the-water observations.
Turn on the bottom layer in Fish Fathom to display available NOAA sampling points in your area.
Use the yellow to orange to red legend to interpret harder-bottom class context quickly.
Compare hard-bottom points with waypoints, routes, and fish activity layers to identify higher-confidence zones.
Mark nearby targets and run your route with the station points as one input, not the only decision factor.
Use Fish Fathom to review hard-bottom NOAA seabed points and build better coastal fishing plans.