A weak low pressure system will continue to move onshore over southwestern Washington tonight, brining scattered showers (the thunder threat has diminished). A broad surface ridge will begin to build into the area Tuesday and remain through Thursday for rather tranquil conditions across the waters. The ridge will then shift east of the Cascades late in the week as a broad and potentially deep trough moves into the offshore/coastal waters for a return to active conditions and possible headlines. Seas remain 4 to 6 ft through most of the week, then beginning to rise close to 10 ft Saturday as that system approaches the area. LH/HPR (Issued: 800 PM PDT Mon Oct 21 2024 by NOAA)