4 products issued by NWS for: 7NM NNW Gary IN
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
306 PM CDT Wed Jun 10 2026
LMZ740>745-112015-
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-
306 PM CDT Wed Jun 10 2026
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...
Hazardous conditions for small craft.
Elevated Thunderstorm Risk...with an associated:
Level 3 of 5 Thunderstorm Wind Gust Risk...up to 60 knots.
Level 2 of 5 Hail Risk...up to 1 inch in diameter.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
Thursday...
Hazardous conditions for small craft are likely.
Significant Thunderstorm Risk...with an associated:
Level 3 of 5 Severe Thunderstorm Risk.
Saturday Night...
Limited Thunderstorm Risk.
Monday and Tuesday...
Limited Thunderstorm Risk.
$$
Doom
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Marine Weather Statement
Marine Weather Statement
National Weather Service Chicago/Romeoville
410 PM CDT Wed Jun 10 2026
LMZ740>745-777-779-102200-
/O.CON.KLOT.MA.W.0036.000000T0000Z-260610T2200Z/
410 PM CDT Wed Jun 10 2026
...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 500 PM CDT...
For the following areas...
Nearshore Waters from Winthrop Harbor to Calumet Harbor...
Nearshore Waters from Calumet Harbor to Michigan City...
Open Waters from Winthrop Harbor to Michigan City out to Mid
Lake...
At 409 PM CDT, severe thunderstorms capable of producing waterspouts
were located along a line extending from 12 nm east of Winthrop
Harbor to near Harrison-Dever Crib to near Indiana Harbor, moving
northeast at 50 knots.
HAZARD...Waterspouts and wind gusts in excess of 65 knots.
SOURCE...Radar indicated.
IMPACT...Waterspouts can easily overturn boats and create locally
hazardous seas. Boats could suffer significant structural
damage in high winds. Small craft could capsize in suddenly
higher waves.
Locations impacted include...
Harrison-Dever Crib, Wilmette Harbor, 31st Street Harbor, Monroe
Harbor, Burns Harbor, Calumet Harbor, Winthrop Harbor, Indiana
Harbor, Montrose Harbor, Waukegan Harbor, Burnham Harbor, and Hammond
Marina.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to safe harbor immediately as gusty winds and high waves are
expected.
Thunderstorms can produce sudden waterspouts. Waterspouts can easily
overturn boats and create locally hazardous seas. Seek safe harbor
immediately.
&&
LAT...LON 4162 8733 4164 8743 4168 8743 4167 8747
4170 8751 4183 8760 4189 8762 4189 8760
4190 8762 4206 8767 4227 8783 4248 8780
4246 8702 4213 8696 4179 8697 4179 8696
4172 8691 4163 8716 4162 8732 4161 8732
TIME...MOT...LOC 2109Z 244DEG 49KT 4246 8752 4195 8753 4161 8750
WATERSPOUT...POSSIBLE
HAIL...0.00IN
WIND...65KTS
$$
Izzi
Special Marine Warning
Marine Weather Statement
National Weather Service Chicago/Romeoville
410 PM CDT Wed Jun 10 2026
LMZ740>745-777-779-102200-
/O.CON.KLOT.MA.W.0036.000000T0000Z-260610T2200Z/
410 PM CDT Wed Jun 10 2026
...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 500 PM CDT...
For the following areas...
Nearshore Waters from Winthrop Harbor to Calumet Harbor...
Nearshore Waters from Calumet Harbor to Michigan City...
Open Waters from Winthrop Harbor to Michigan City out to Mid
Lake...
At 409 PM CDT, severe thunderstorms capable of producing waterspouts
were located along a line extending from 12 nm east of Winthrop
Harbor to near Harrison-Dever Crib to near Indiana Harbor, moving
northeast at 50 knots.
HAZARD...Waterspouts and wind gusts in excess of 65 knots.
SOURCE...Radar indicated.
IMPACT...Waterspouts can easily overturn boats and create locally
hazardous seas. Boats could suffer significant structural
damage in high winds. Small craft could capsize in suddenly
higher waves.
Locations impacted include...
Harrison-Dever Crib, Wilmette Harbor, 31st Street Harbor, Monroe
Harbor, Burns Harbor, Calumet Harbor, Winthrop Harbor, Indiana
Harbor, Montrose Harbor, Waukegan Harbor, Burnham Harbor, and Hammond
Marina.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to safe harbor immediately as gusty winds and high waves are
expected.
Thunderstorms can produce sudden waterspouts. Waterspouts can easily
overturn boats and create locally hazardous seas. Seek safe harbor
immediately.
&&
LAT...LON 4162 8733 4164 8743 4168 8743 4167 8747
4170 8751 4183 8760 4189 8762 4189 8760
4190 8762 4206 8767 4227 8783 4248 8780
4246 8702 4213 8696 4179 8697 4179 8696
4172 8691 4163 8716 4162 8732 4161 8732
TIME...MOT...LOC 2109Z 244DEG 49KT 4246 8752 4195 8753 4161 8750
WATERSPOUT...POSSIBLE
HAIL...0.00IN
WIND...65KTS
$$
Izzi
Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 257 PM CDT Wed Jun 10 2026 LMZ740>745-110200- /O.CON.KLOT.SC.Y.0064.000000T0000Z-260611T0200Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 257 PM CDT Wed Jun 10 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING... * WHAT...Southwest winds to 25 kt. * WHERE...Illinois and Indiana nearshore from Winthrop Harbor IL to Michigan City IN. * WHEN...Until 9 PM CDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$