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Home Return to list Dense Fog Advisory 0001 Issued by the Key West Forecast Office
Action: New Issued At: 2026-03-01 06:36:40 168 WWUS72 KKEY 011236 NPWKEY URGENT - WEATHER MESSAGE National Weather Service Key West FL 736 AM EST Sun Mar 1 2026 FLZ077-078-011600- /O.NEW.KKEY.FG.Y.0001.260301T1236Z-260301T1600Z/ Monroe Middle Keys-Monroe Lower Keys- Including the cities of Key West and Marathon 736 AM EST Sun Mar 1 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM EST THIS MORNING... * WHAT...Visibility one quarter of a mile or less in dense fog. * WHERE...Monroe Lower Keys and Monroe Middle Keys. * WHEN...Until 11 AM EST 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. && $$ JAM Action: Cancelled Issued At: 2026-03-01 09:05:16 743 WWUS72 KKEY 011505 NPWKEY URGENT - WEATHER MESSAGE National Weather Service Key West FL 1005 AM EST Sun Mar 1 2026 FLZ077-078-011615- /O.CAN.KKEY.FG.Y.0001.000000T0000Z-260301T1600Z/ Monroe Middle Keys-Monroe Lower Keys- Including the cities of Key West and Marathon 1005 AM EST Sun Mar 1 2026 ...DENSE FOG ADVISORY IS CANCELLED... Dense fog is no longer being observed across the Lower and Middle Keys, though a few areas of patchy fog may remain in the Lower Keys into the early afternoon hours. $$ JAM | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||