
(Credit: NOAA NDBC)
Winthrop Harbor Buoy, IL
Station ID: 45187
42.491° N / -87.779° W
Last reported: 07/20/2025 09:40 (UTC-06:00) Central Time (Chicago)
Air Temperature
68
68
°
F
Water Temperature
69
69
°
F
Wind Speed
9.7 knots
Wind Direction
310
310°
Wind Gust
13.6 knots
Wave Height
2.3 ft
Dominant Wave Period
4 sec
Mean Wave Direction
355
355°
Trends
Note: Times are displayed in your timezone. Charts may have different start and end times if buoy sensors report data at different intervals.
Latitude
42° 29' 28" N (42.491)
Longitude
87° 46' 44" W (-87.779)
Observations data source: NOAA NDBC. Weather icons by Erik Flowers