Local Marine Weather Forecast for Montserrat Waters – Friday, October 13, 2020, for captains, sailors, fishers, boaters & adventurers! Posted on November 13, 2020 by Shirlian Queeley Seas: North-easterly 1.5M. or 4’9″ in the morning and NE1.5M. or 4’9″ High in the evening.