tack towards the docks = lay aboard

[Ivo]

Would you tell me whether I am right with my interpretation of the expression in bold in the following sentence?

A rugby team runs drills on the grass, as out on the bay, six tiny racing sloops tack toward the docks.

tack towards the docks = lay aboard

[Beeesneees]

'Tack' here is the act of changing course by turning a vessel's head into and through the wind, so as to bring the wind on the opposite side - so the sloops are making a series of changes which will bring them in to the docks.
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Cheers m' dears!