RedactedNarrative: Vessel was traveling South into Cold Spring Harbor from the Long Island Sound when a squall passed through blowing approx. 50kts sustained. Operator tried to sail with the storm when one of his pontoons caught a wave and the vessel pitched poled and he jumped from the vessel. Operator was in the water approx.. 10 minutes when he was picked up by a passing vessel. Operator has a 100 ton CG captains license and approx. 6000 hours of experience sailing. Operator was transferred to town of Oyster bay patrol boat at sea and brought to Theodore Roosevelt Marina for evaluation by Oyster Bay Fire Co. ambulance.