SYNOPSIS...Strong low pressure will track N over the outer waters today and tonight, then weaken as it passes N of the area Fri. A cold front will move into the region later Fri and Fri night as strong low pressure moves W of the area. The low will then move inland over British Columbia Sat. Weak low pressure will move across the waters Sat night, then inland Sun. A high pressure ridge will build across the region Sun night and Mon, then pass E of the area Mon night.