June 12, 2026 1:20 am 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: 4 sec
Mean Wave Direction: SSE (159°)
Atmospheric Pressure: 29.50 in (999.1 mb)
Air Temperature: 59°F (15.2°C)
Water Temperature: 50°F (9.9°C)
Station 45187 – WINTHROP HARBOR BUOY, IL
Jun 12, 2026 | 3:44 AM