LAKEWATCHGREAT LAKES / MARINE WEATHER
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SOUTHERN LAKE MICHIGAN

Chicago nearshore

41.8716° N / 87.5495° W · Locating marine zone…

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MEASURED ON THE LAKE

Latest station observations

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Nearby measurements alongside the point forecast below. Station locations and wind sensor heights differ; speeds are shown as reported.

Loading Chicago Crib and Chicago Buoy observations…

CURRENT FORECAST
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—°F

Fetching lake conditions

Forecast values for the current hour

SIGNIFICANT WAVES— ftPeriod unavailable
WIND SPEED— ktDirection unavailable
WIND GUSTS— ktAt the selected point
Awaiting forecast issue timeForecast · not a station observation

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CHICAGO BUOY · PAST 6 HOURS

Observed wind history

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Collecting station observations every 10 minutes while the dashboard server is running.

Wind · knotsGusts · knots
Wind direction · from
Significant waves · feet
Wave direction · from

Arrows point toward the source; north is up. Both charts use measurement times in Chicago time. Missing readings leave gaps.

Waiting for the first observation…
View saved wind and wave observations
Chicago Buoy observations from the last six hours. Wave values are unavailable for older records collected before wave history was enabled.
Observed (Chicago)Wind (kt)Gust (kt)Wind fromWaves (ft)Waves fromSource

History is saved locally and survives restarts. Collection continues with the browser closed while the server and computer remain running.

THE HOURS AHEAD

On the water

Significant wave height · feet
Select an hour to inspect the forecast.
View hourly values
Hourly marine forecast values. Wind and wave bearings indicate the direction each comes from.
Time (Chicago)Waves (ft)Waves fromWind (kt)Gust (kt)Wind fromAir (°F)
NATIONAL WEATHER SERVICE

Marine text forecast

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The marine bulletin for this location’s forecast zone.

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