December 9, 2023 3:42 PM CST
Sunrise 7:04AM Sunset 4:21PM
LMZ742 Expires:202312100445;;183736 Fzus53 Klot 091954 Nshlot
nearshore marine forecast national weather service chicago/romeoville il 154 pm cst Sat dec 9 2023
for waters within five nautical miles of shore on lake michigan
waves are provided as a range of significant wave heights, which is the average of the highest 1/3 of the waves, along with the average height of the highest 10 percent of the waves which will occasionally be encountered.
lmz740>743-100445- winthrop harbor to wilmette harbor il- wilmette harbor to northerly island il- northerly island to calumet harbor il- calumet harbor il to gary in- 154 pm cst Sat dec 9 2023
.small craft advisory in effect through Sunday morning...
Late this afternoon..West winds to 30 kt. Waves 1 to 3 ft.
Tonight..West winds 20 to 25 kt. Intermittent flurries. Waves 1 to 3 ft.
nearshore marine forecast national weather service chicago/romeoville il 154 pm cst Sat dec 9 2023
for waters within five nautical miles of shore on lake michigan
waves are provided as a range of significant wave heights, which is the average of the highest 1/3 of the waves, along with the average height of the highest 10 percent of the waves which will occasionally be encountered.
lmz740>743-100445- winthrop harbor to wilmette harbor il- wilmette harbor to northerly island il- northerly island to calumet harbor il- calumet harbor il to gary in- 154 pm cst Sat dec 9 2023
.small craft advisory in effect through Sunday morning...
Late this afternoon..West winds to 30 kt. Waves 1 to 3 ft.
Tonight..West winds 20 to 25 kt. Intermittent flurries. Waves 1 to 3 ft.
Forecast for Marine Location Near Chicago, IL

Weather Reporting Stations
Wind History from MDW
Airport | Dist | Age | Wind kt | Vis | Sky | Weather | Temp |
KMDW CHICAGO MIDWAY INTL,IL | 9 sm | 49 min | W 14G27 | 10 sm | Mostly Cloudy | 46°F | |
KORD CHICAGO O'HARE INTL,IL | 18 sm | 51 min | WSW 14G25 | 10 sm | Mostly Cloudy | 45°F | |
KGYY GARY/CHICAGO INTL,IN | 19 sm | 57 min | WSW 10G21 | 10 sm | Partly Cloudy | 50°F |
Chicago, IL,

GEOS Local Image of great lakes
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