Weather Alerts-

Make preparations as per the instructions

Chicago - IL, US, National Weather Service

Winthrop Harbor to Calumet Harbor IL

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 PM CST THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON CST SATURDAY... WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to 1/4 NM or less. For the Small Craft Advisory, southwest winds to 25 kt expected. WHERE...Winthrop Harbor to Calumet Harbor IL. WHEN...For the Dense Fog Advisory, until 9 PM CST this evening. For the Small Craft Advisory, until noon CST Saturday. IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass.