March 31, 2026 11:30 pm CST
Location: 42.491N 87.779W or 74 nautical miles WSW of search location of 43.02N 86.27W.
Significant Wave Height: 3 ft
Dominant Wave Period: 5 sec
Mean Wave Direction: ENE (60°)
Air Temperature: 38°F (3.4°C)
Water Temperature: 39°F (3.7°C)
Station 45187 – WINTHROP HARBOR BUOY, IL
Apr 1, 2026 | 1:42 AM