WASHINGTON AND OREGON WATERS

SYNOPSIS...A strong low center will pass N of the waters today pulling a cold front SE across the region. The low will dissipate inland N of the area tonight while the cold front moves S of the waters. A weak secondary cold front will move E across the waters early Wed. A strong area of high pressure will build in from the W and SW across the waters Wed night, then gradually move N through the region Thu through Fri night. The ridge will then drift back SE and expand across the area Sat and Sat night. A coastal trough will expand N along the Oregon Thu persisting into Sat night.