Snow showers could remain heavy at times today, according to the National Weather Service. There will be a high near 28 degrees.
It will be very windy, with a north wind 38 to 43 mph. Winds could gust as high as 55 mph.
New snow accumulation is expected to be between 5 to 9 inches.
The National Weather Service has declared a coastal flood watch for the entire Massachusetts coast line — including Barnstable.
Forecasters say "numerous coastal roads" could become impassable during this morning's high tide. It could be accompanied by large waves and a storm surge of two-three feet, the Weather Service warns.
Snow showers will begin to taper off into the afternoon. It will be mostly cloudy, then gradually becoming mostly clear, with a low around 18.