Active Weather Alerts
Gale Watch
Issued: 9:01 AM May. 15, 2025 – National Weather Service
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL NOON CDT TODAY... ...SMALL CRAFT ADVISORY IN EFFECT FROM NOON TODAY TO 10 PM CDT THIS EVENING... ...GALE WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to 1/2 NM or less. For the Small Craft Advisory, south to southwest winds to 30 kt. For the Gale Watch, southwest winds to 35 kt. * WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet Harbor IL to Gary IN. * WHEN...For the Dense Fog Advisory, until noon CDT today. For the Small Craft Advisory, from noon today to 10 PM CDT this evening. For the Gale Watch, from Friday afternoon through Friday evening. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels and reduce visibility. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe winds. &&
Dense Fog Advisory
Issued: 9:01 AM May. 15, 2025 – National Weather Service
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL NOON CDT TODAY... ...SMALL CRAFT ADVISORY IN EFFECT FROM NOON TODAY TO 10 PM CDT THIS EVENING... ...GALE WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to 1/2 NM or less. For the Small Craft Advisory, south to southwest winds to 30 kt. For the Gale Watch, southwest winds to 35 kt. * WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet Harbor IL to Gary IN. * WHEN...For the Dense Fog Advisory, until noon CDT today. For the Small Craft Advisory, from noon today to 10 PM CDT this evening. For the Gale Watch, from Friday afternoon through Friday evening. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels and reduce visibility. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe winds. &&
Small Craft Advisory
Issued: 9:01 AM May. 15, 2025 – National Weather Service
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL NOON CDT TODAY... ...SMALL CRAFT ADVISORY IN EFFECT FROM NOON TODAY TO 10 PM CDT THIS EVENING... ...GALE WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to 1/2 NM or less. For the Small Craft Advisory, south to southwest winds to 30 kt. For the Gale Watch, southwest winds to 35 kt. * WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet Harbor IL to Gary IN. * WHEN...For the Dense Fog Advisory, until noon CDT today. For the Small Craft Advisory, from noon today to 10 PM CDT this evening. For the Gale Watch, from Friday afternoon through Friday evening. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels and reduce visibility. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe winds. &&
Dense Fog Advisory
Issued: 2:17 AM May. 15, 2025 – National Weather Service
...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THURSDAY... * WHAT...Visibility one quarter mile or less in dense fog expected. * WHERE...Lake IL County, especially near the Lake Michigan shoreline. * WHEN...Until 10 AM CDT Thursday. * IMPACTS...Low and highly variable visibility could make driving conditions hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. &&
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