NORTHEAST U.S. WATERS

SYNOPSIS...Strong Arctic high pressure will build NW and N of the waters tonight into early Sun, then shift N and NE later Sun and Sun night. Developing low pressure will track NE along the Mid-Atlantic Coast late Sun into Sun night, then move NE across the waters Mon before passing E of the region Mon night. A series of low pressure troughs or secondary cold fronts will move across the area Tue through Wed night. A weak low will move over the waters Thu, then weaken Thu night as a stronger low passes SE of the region.