You are proceeding from a point 4 miles due east of Montauk Point enroute to Long Island Sound via The Race. What should you expect the soundings to do?
• Coastal chart interpretation between Montauk Point and The Race • How soundings (depth values) change when approaching a narrow, deep tidal pass like The Race • Relationship between bottom contour lines and depth changes
• Visualize or sketch the track from a point 4 miles due east of Montauk Point toward The Race and ask yourself: are you moving into generally deeper or shallower water? • Think about what happens to depth when entering a major tidal channel cut through a sill or ridge at the entrance to Long Island Sound. • Compare what “remain fairly constant” would look like on a chart versus “increase rapidly at first” or “start increasing when north of Montauk Point.”
• On the appropriate NOAA chart, check how the depth contours trend from east of Montauk Point toward The Race. • Confirm whether The Race is known as a deep, fast‑current channel or a shallow bar/sill area. • Verify if there is any known bottom composition issue (like mud absorption) in that area that would realistically affect echo sounder accuracy.
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