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Home Return to list Dense Fog Advisory 0002 Issued by the San Francisco Bay Area / Monterey Forecast Office
Action: New Issued At: 2026-02-08 05:38:08 011 WWUS76 KMTR 081137 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco CA 337 AM PST Sun Feb 8 2026 CAZ506-081700- /O.NEW.KMTR.FG.Y.0002.260208T1137Z-260208T1700Z/ North Bay Interior Valleys- 337 AM PST Sun Feb 8 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM PST THIS MORNING... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...North Bay Interior Valleys. * WHEN...Until 9 AM PST this morning. * IMPACTS...Low visibility could make driving conditions hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. Patchy dense fog will result in sudden changes in visibility. Visibility at times will fall below one-quarter of a mile. Use your low beam headlights, slow down, and be prepared for periods of hazardous driving conditions. && $$ NWS Bay Area Action: Area Extended Issued At: 2026-02-08 07:58:44 530 WWUS76 KMTR 081358 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco CA 558 AM PST Sun Feb 8 2026 CAZ508-510-081700- /O.EXA.KMTR.FG.Y.0002.000000T0000Z-260208T1700Z/ San Francisco Bay Shoreline-East Bay Interior Valleys- 558 AM PST Sun Feb 8 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM PST THIS MORNING... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...East Bay Interior Valleys and the eastern half of the San Francisco Bay Shoreline. * WHEN...Until 9 AM PST this morning. * IMPACTS...Low visibility could make driving conditions hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. Patchy dense fog will result in sudden changes in visibility. Visibility at times will fall below one-quarter of a mile. Use your low beam headlights, slow down, and be prepared for periods of hazardous driving conditions. && $$ CAZ506-081700- /O.CON.KMTR.FG.Y.0002.000000T0000Z-260208T1700Z/ North Bay Interior Valleys- 558 AM PST Sun Feb 8 2026 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST THIS MORNING... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...North Bay Interior Valleys. * WHEN...Until 9 AM PST this morning. * IMPACTS...Low visibility could make driving conditions hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. Patchy dense fog will result in sudden changes in visibility. Visibility at times will fall below one-quarter of a mile. Use your low beam headlights, slow down, and be prepared for periods of hazardous driving conditions. && $$ NWS Bay Area Action: Continued Issued At: 2026-02-08 07:58:44 530 WWUS76 KMTR 081358 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco CA 558 AM PST Sun Feb 8 2026 CAZ508-510-081700- /O.EXA.KMTR.FG.Y.0002.000000T0000Z-260208T1700Z/ San Francisco Bay Shoreline-East Bay Interior Valleys- 558 AM PST Sun Feb 8 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM PST THIS MORNING... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...East Bay Interior Valleys and the eastern half of the San Francisco Bay Shoreline. * WHEN...Until 9 AM PST this morning. * IMPACTS...Low visibility could make driving conditions hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. Patchy dense fog will result in sudden changes in visibility. Visibility at times will fall below one-quarter of a mile. Use your low beam headlights, slow down, and be prepared for periods of hazardous driving conditions. && $$ CAZ506-081700- /O.CON.KMTR.FG.Y.0002.000000T0000Z-260208T1700Z/ North Bay Interior Valleys- 558 AM PST Sun Feb 8 2026 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST THIS MORNING... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...North Bay Interior Valleys. * WHEN...Until 9 AM PST this morning. * IMPACTS...Low visibility could make driving conditions hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. Patchy dense fog will result in sudden changes in visibility. Visibility at times will fall below one-quarter of a mile. Use your low beam headlights, slow down, and be prepared for periods of hazardous driving conditions. && $$ NWS Bay Area Action: Time Extended Issued At: 2026-02-08 10:16:19 946 WWUS76 KMTR 081615 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco CA 815 AM PST Sun Feb 8 2026 CAZ506-508-510-081900- /O.EXT.KMTR.FG.Y.0002.000000T0000Z-260208T1900Z/ North Bay Interior Valleys-San Francisco Bay Shoreline-East Bay Interior Valleys- 815 AM PST Sun Feb 8 2026 ...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 11 AM PST THIS MORNING... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...East Bay Interior Valleys and the eastern half of the San Francisco Bay Shoreline. * WHEN...Until 11 AM PST this morning. * IMPACTS...Low visibility could make driving conditions hazardous. * ADDITIONAL DETAILS...Visibilities will be slowly improving through 11am, though travelers will continue to move in and out of dense fog around the Bay area. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. Patchy dense fog will result in sudden changes in visibility. Visibility at times will fall below one-quarter of a mile. Use your low beam headlights, slow down, and be prepared for periods of hazardous driving conditions. && $$ NWS Bay Area Action: Expired Issued At: 2026-02-08 12:54:24 767 WWUS76 KMTR 081853 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco CA 1053 AM PST Sun Feb 8 2026 CAZ506-508-510-082000- /O.EXP.KMTR.FG.Y.0002.000000T0000Z-260208T1900Z/ North Bay Interior Valleys-San Francisco Bay Shoreline-East Bay Interior Valleys- 1053 AM PST Sun Feb 8 2026 ...DENSE FOG ADVISORY WILL EXPIRE AT 11 AM PST THIS MORNING... Visibilities are quickly improving late this morning and the Dense Fog Advisory will be allowed to expired at 11am. $$ NWS Bay Area | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||