Fog tracker: San Francisco and Bay Area weather and visibility map The marine layer has been slowly thickening over the past few days and will be more noticeable Wednesday, especially during ...

San Francisco Bay’s only marine laboratory, an important site of climate change research, will close due to lack of funding, ...

Smoke from the August Complex fires in Mendocino County settled on top of a marine layer in the Bay Area Wednesday, turning the sky various shades of red and orange. According to Bay Area Air ...