Question 4121Deck General70% to pass
Conditions for crossing a rough bar are usually best at _______________.
AI Explanation
The correct answer is D) high water slack.
Crossing a rough bar is usually best at high water slack because this is the period when the current is weakest and most stable, making it safer and easier for vessels to navigate the bar. During high water slack, the tidal current is at its minimum, reducing the risk of strong and unpredictable currents that can be hazardous when crossing a bar.
The other options are incorrect because low water slack has stronger currents, high water flood has a strong incoming current, and high water ebb has a strong outgoing current - all of which can make crossing a rough bar more challenging and dangerous.
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