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Station 45187 – WINTHROP HARBOR BUOY, IL

By NDBC - Station Observations near 43.02N 86.27W May 1, 2026 | 8:02 AM

May 1, 2026 5:40 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: 3 sec
Mean Wave Direction: NE (50°)
Atmospheric Pressure: 29.94 in (1014.0 mb)
Water Temperature: 48°F (8.9°C)