Tides Part 5: Tidal Anchoring in Style
2 August 2023 · 6 min · 1K views · Belle Île
What this video covers
Leon Schulz uses a custom tidal calculation template to determine safe anchoring depths and required chain length in tidal waters.Watch The method addresses two primary risks: grounding at low tide and dragging anchor due to insufficient scope at high tide.0:35 To calculate the necessary chain length, sailors must identify the maximum tidal rise from the time of anchoring to high water and add that figure to the current echo sounder reading before applying a scope ratio, such as 5:1.5:04 To prevent grounding, sailors must subtract the maximum tidal fall from the current depth reading to ensure the remaining water depth exceeds the boat's draft.5:59 Using Belle Île as an example, Schulz demonstrates how to extract tidal heights from a curve to fill in the template variables.3:54 The process emphasizes relying on personal calculations rather than external advice to avoid grounding the keel.6:13 Proper tidal planning ensures the vessel remains afloat at low water and maintains adequate scope as the tide rises.
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