The Vineyard could be blanketed in four to eight inches of snow Tuesday as a winter northeaster is expected to hit the region.

The National Weather Service Monday issued a winter storm warning for the Island and much of eastern Massachusetts, prompting the Vineyard public schools and the charter school to cancel classes Tuesday. 

North winds between 25 and 35 miles per hour and gusts up to 60 miles per hour could hit the county, potentially blowing down trees and causing power outages. The weather service also predicted flooding in the usual areas, including Edgartown harbor and Five Corners in Vineyard Haven. 

Rain could start early Tuesday morning before turning into snow after noon. 

“Regardless of the amount of snow, there will be a great amount of wind and rain,” Russell Hartenstine, the spokesperson for the Dukes County Emergency Management Association said in a Facebook post Monday evening. “We ask that we all try to keep the roads as clear as possible for the crews that may be working.” 

The Steamship Authority reservations office will be closed Tuesday and ferries along Vineyard route will be running on a trip-by-trip basis. The 5:30 a.m. trip from Vineyard Haven was already canceled by early Monday evening. 

Eversource said it has been monitoring the storm and was bringing additional line and tree service workers and putting them across the state to respond to outages. 

“The heavy, wet snow can weigh down tree limbs and branches, possibly bringing them down onto electric lines and equipment, causing damage and power outages,” said Craig Hallstrom, the utility’s president of regional electric operations.