2 products issued by NWS for: 4NM ENE Chicago IL
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
255 PM CDT Mon Apr 28 2025
LMZ740>745-292000-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
255 PM CDT Mon Apr 28 2025
This Hazardous Weather Outlook is for portions of the Illinois
nearshore waters of Lake Michigan and the Indiana nearshore
waters of Lake Michigan.
.DAY ONE...Tonight.
Weather hazards expected...
Gale force winds and or very hazardous waves northwest of Gary, IN.
Hazardous conditions for small craft east of Gary, IN.
Limited Thunderstorm Risk...with an associated:
Level 2 of 5 Thunderstorm Wind Gust Risk...up to 50 kt.
Level 2 of 5 Hail Risk...up to 1 inch in diameter.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.
Tuesday...
Gale force winds are expected.
Wednesday...
Limited Thunderstorm Risk.
$$
Borchardt
Visit us at www.weather.gov/chicago
Gale Warning
URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 245 PM CDT Mon Apr 28 2025 LMZ740>743-290345- /O.EXP.KLOT.SC.Y.0055.000000T0000Z-250428T2000Z/ /O.CON.KLOT.GL.W.0018.250428T2000Z-250429T1800Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 245 PM CDT Mon Apr 28 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 1 PM CDT TUESDAY... * WHAT...Southwest gales to 35 kt expected. * WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet Harbor IL to Gary IN. * WHEN...From 3 PM this afternoon to 1 PM CDT Tuesday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$