Barges or small Channel Islands-based boats could be used to take the weed, which blights large parts of the bay during the summer, to areas of fast-flowing currents.
The proposal was announced in the States this week by Infrastructure Minister Eddie Noel.
Previous ideas have included digging channels into the beach to speed up the outgoing tide and carry the weed further out to sea, and hiring a seaweed harvesting machine.
The latter plans were postponed last year when the machine was destroyed in a fire after over-heating on a beach in Brittany.
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