10/05/2026
10/5/26 - There is a new Dense Fog Advisory in effect for a sizeable portion of the Western Washington interior as well as the inland waters. All advisories will expire by noon. NWS Portland issued a Special Weather Statement for the lowlands of Pacific, Wahkiakum, Cowlitz, and Clark counties for dense fog which will be in effect until 10 AM. They also issued a Dense Fog Advisory for coastal waters out to 60 nautical miles. Let's break it down:
▶WHAT: Dense Fog with visibility less than 1/4 mile for locations in the advisory zones.
▶WHERE: Seattle, Tacoma, Olympia, Everett, Chehalis, Mount Vernon, Bellevue, Hoquiam, Longview, Vancouver, Sequim, Port Angeles, Shelton, Oak Harbor, Friday Harbor etc.
▶WHEN: Until 10 AM PDT (Pacific, Wahkiakum, Cowlitz, Clark counties); 11 AM PDT (Strait of Juan de Fuca, Salish Sea, Possession Sound, Puget Sound, Hood Canal); 12 PM PDT (Pacific County waters out 60 nautical miles, San Juan, Island, Skagit, Snohomish, King, Pierce, Thurston, Lewis, Grays Harbor, Mason, Clallam counties).
Be sure to take EXTRA precautions if you are driving this morning. Dense fog is also a possibility outside of the advised areas. Keep extra distance from other drivers, and only use your low beams!