From the National Weather Service
Another Nor'easter will impact Southern New England starting tomorrow afternoon. Main impacts will be heavy snow, strong winds, coastal flooding, and marine hazards. Winter Storm Warnings have been issued for southeast MA, Rhode Island, Block Island, and Martha's Vineyard.
Snow will move into the region late morning, overspreading SNE by late afternoon. Snow totals will be highest across eastern MA and south of the Masspike. Main wind concerns are across the Cape and Islands where NE winds may gust up to 55 mph, with sustained winds up to 35 mph.
Minor to moderate coastal flooding is possible across the SE coast of MA late Wed. night/early Thu. Marine travel will also be hazardous with wave heights up to 30 feet and wind gusts over the water up to 50 kts.