Nearshore Marine Forecast
Issued by NWS Chicago, IL

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FZUS53 KLOT 072123
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
423 PM CDT Tue May 7 2024

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>742-080315-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
423 PM CDT Tue May 7 2024

...TORNADO WATCH 195 IN EFFECT UNTIL 8 PM CDT THIS EVENING...

.LATE THIS AFTERNOON...Southwest winds 10 to 20 kt. Scattered
showers and thunderstorms early. Waves 2 to 4 ft.
.TONIGHT...Southwest winds 10 to 20 kt becoming west 10 to 15 kt.
Isolated showers and thunderstorms in the early evening. Waves 1
to 3 ft.
.WEDNESDAY...Southwest winds 5 to 10 kt becoming east 10 to 15 kt
in the afternoon. Chance of showers in the afternoon. Waves 1 to
2 ft.
.WEDNESDAY NIGHT...Northeast winds 15 to 25 kt. Showers likely
and slight chance of thunderstorms in the evening, then showers
likely and a chance of thunderstorms overnight. Waves 2 to 4 ft
building to 3 to 5 ft.
.THURSDAY...North winds 15 to 25 kt increasing to 30 kt. Showers
likely in the morning, then chance of showers in the afternoon.
Waves building to 4 to 7 ft occasionally to 9 ft.

$$

LMZ743>745-080315-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
423 PM CDT Tue May 7 2024

...TORNADO WATCH 195 IN EFFECT UNTIL 8 PM CDT THIS EVENING...

.LATE THIS AFTERNOON...Southwest winds 15 to 20 kt. Scattered showers
and thunderstorms. Waves 1 to 2 ft.
.TONIGHT...Southwest winds 10 to 20 kt. Partly cloudy. Waves 1 to
2 ft.
.WEDNESDAY...Southwest winds 5 to 10 kt becoming northeast 10 to
15 kt in the afternoon. Slight chance of showers in the late
afternoon. Waves around 1 ft.
.WEDNESDAY NIGHT...Northeast winds 10 to 20 kt. Showers likely
and slight chance of thunderstorms in the evening, then showers
likely and a chance of thunderstorms overnight. Waves 1 to 3 ft.
.THURSDAY...North winds 15 to 25 kt. Showers likely in the
morning, then chance of showers in the afternoon. Waves 2 to 4 ft
building to 4 to 6 ft occasionally to 8 ft.

$$

RC