March 31, 2026 8:00 pm CST
Location: 42.491N 87.779W or 74 nautical miles WSW of search location of 43.02N 86.27W.
Significant Wave Height: 2 ft
Dominant Wave Period: 4 sec
Mean Wave Direction: NE (42°)
Air Temperature: 39°F (3.8°C)
Water Temperature: 38°F (3.5°C)
Station 45187 – WINTHROP HARBOR BUOY, IL
Mar 31, 2026 | 10:16 PM