
(Credit: NOAA NDBC)
Winthrop Harbor Buoy, IL
Station ID: 45187
42.491° N / -87.779° W
Last reported: 06/15/2025 22:40 (UTC-06:00) Central Time (Chicago)
Air Temperature
59
59
°
F
Water Temperature
58
58
°
F
Wind Speed
3.9 knots
Wind Direction
20
20°
Wind Gust
5.8 knots
Wave Height
1.0 ft
Dominant Wave Period
4 sec
Mean Wave Direction
338
338°
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