Nearshore Marine Forecast
Issued by NWS Chicago, IL

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FZUS53 KLOT 170902
NSHLOT

NEARSHORE MARINE FORECAST
National Weather Service Chicago/Romeoville IL
302 AM CST Sat Feb 17 2018

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>742-171645-
Winthrop Harbor to Wilmette Harbor-
Wilmette Harbor to Northerly Island-
Northerly Island to Calumet Harbor-
302 AM CST Sat Feb 17 2018

.TODAY...Southwest winds 5 to 10 kt early, increasing to 10 to 20
kt this morning. Snow in the afternoon. Waves 1 to 3 ft.
.TONIGHT...West winds 10 to 15 kt. Slight chance of snow in the
evening. Waves 1 to 3 ft.
.SUNDAY...South winds 10 to 20 kt increasing to 30 kt in the
afternoon. Mostly sunny. Waves 1 to 3 ft building to 2 to 4 ft in
the afternoon. A small craft advisory will likely be needed.
.SUNDAY NIGHT...South winds 20 to 25 kt diminishing to 10 to
20 kt after midnight. Chance of rain after midnight. Waves 2 to
4 ft subsiding to 1 to 3 ft after midnight.

WAVE FORECAST IS FOR ICE FREE AREAS

$$

LMZ743>745-171645-
Calumet Harbor to Gary-Gary to Burns Harbor-
Burns Harbor to Michigan City-
302 AM CST Sat Feb 17 2018

.TODAY...Southwest winds 5 to 10 kt early, increasing to 10 to 20
kt this morning. Snow and a chance of rain in the afternoon.
Waves 1 to 3 ft.
.TONIGHT...West winds 10 to 15 kt. Chance of snow in the evening.
Waves 1 to 3 ft.
.SUNDAY...South winds 10 to 20 kt increasing to 20 to 25 kt in
the afternoon. Mostly sunny. Waves 1 to 3 ft. A small craft
advisory will likely be needed.
.SUNDAY NIGHT...South winds 20 to 25 kt diminishing to 10 to
20 kt after midnight. Chance of rain after midnight. Waves 1 to 3
ft.

WAVE FORECAST IS FOR ICE FREE AREAS

$$



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