You are bound for Baltimore via Cape Henry...

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Question 1 of 2066636ee928f7522a1c51921b

You are bound for Baltimore via Cape Henry on a 15 knot ship. If the flood at Chesapeake Bay entrance begins at 1800 EST (ZD +5), at what time would you depart from the Chesapeake Bay entrance to have the most favorable current?

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Question 1 of 20

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🔍 Key Concepts

• Tidal currents at Chesapeake Bay entrance and when the flood current is strongest • Relationship between a ship’s speed through the water and speed over the ground when riding with or against current • Timing your departure relative to the start of the flood to maximize favorable current over the transit

💭 Think About

• Think about what the current is doing exactly at the moment the flood begins: is it already strong, or just starting to build? • If you want the most help from the current, do you leave exactly when it begins, a bit before, or after it has built up to a stronger rate? • Consider how long typical tidal currents take to build from slack water to maximum flood, and which option best lines up your transit with that maximum period.

✅ Before You Answer

• Confirm what ’flood’ current means in terms of direction at Chesapeake Bay entrance (into the Bay or out to sea). • Think about the usual time interval between slack water and maximum flood in standard current tables (on the order of hours, not minutes). • Match the multiple-choice times to a realistic time before/after 1800 that would place your ship in the strongest part of the flood for most of the run.

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