Captains Portal

Bathymetric Models

Interactive 3D bottom structure models built from NOAA CUDEM high-resolution bathymetry data. Each model renders terrain, depth contours, and key structural features for trip planning and waypoint evaluation.

Map Explorer
BSR Map Explorer
Interactive coast-wide map showing all 71 BSR strips from Portland ME to Virginia Beach plus Chesapeake Bay, Narragansett Bay, and Long Island Sound. Search, zoom, and click to open any strip.
71 strips
21,437 features
Nearshore
Nearshore Strip Maps
Bottom structure analysis maps organized by geographic region. 71 strips covering the Atlantic coast, Chesapeake Bay, Narragansett Bay, and Long Island Sound with clickable waypoints and region-select export tools.
71 strips
21,437 features
Offshore
Offshore >3 nm
Named fishing grounds and algorithmically detected prospect sites across the continental shelf and canyon edges. Inshore, midshore, canyon, and prospect tiers. Subject to updates and expansion.
241 named models
89 prospects
133 inshore
67 midshore
41 canyons