Weather Alerts For Southwest Harbor, ME

# HEADLINE -------------------- DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM EDT THIS MORNING # DETAILS -------------------- WHAT Visibility of a quarter-mile or less in dense fog. WHERE Coastal Hancock, Northern Washington, Central Washington, Interior Hancock, and Southern Penobscot Counties. WHEN Until 9 AM EDT this morning. IMPACTS Low visibility could make driving conditions hazardous. ISSUED AT Tuesday, August 25, 2026 at 2:17 AM EDT ISSUED BY National Weather Service Caribou ME HEADER URGENT - WEATHER MESSAGE # PRECAUTIONARY/PREPAREDNESS ACTIONS -------------------- If driving, slow down, use your headlights, and leave plenty of distance ahead of you. # AREAS AFFECTED -------------------- Central Washington, Coastal Hancock, Interior Hancock, Northern Washington, Southern Penobscot Including the cities of Wesley, Bucksport, Dedham, Brewer, Danforth, Calais, Castine, Great Pond, Topsfield, Grand Lake Stream, Amherst, Orland, Aurora, Bangor, Eastbrook, Ellsworth, Princeton, Old Town, Bar Harbor, Vanceboro, and Orono