March 31, 2026 4:00 am CST
Location: 42.491N 87.779W or 74 nautical miles WSW of search location of 43.02N 86.27W.
Wind Direction: W (270°)
Wind Speed: 8 knots
Wind Gust: 12 knots
Significant Wave Height: 2 ft
Dominant Wave Period: 4 sec
Mean Wave Direction: S (174°)
Atmospheric Pressure: 29.66 in (1004.3 mb)
Pressure Tendency: -0.06 in (-2.2 mb)
Air Temperature: 57°F (13.7°C)
Water Temperature: 38°F (3.3°C)
Station 45187 – WINTHROP HARBOR BUOY, IL
Mar 31, 2026 | 6:17 AM