Station 45187 – WINTHROP HARBOR BUOY, IL

March 27, 2026 9:40 pm CST
Location: 42.491N 87.779W or 74 nautical miles WSW of search location of 43.02N 86.27W.
Significant Wave Height: 1 ft
Dominant Wave Period: 5 sec
Mean Wave Direction: NE (43°)
Air Temperature: 34°F (1.1°C)
Water Temperature: 36°F (2.2°C)