Station 45187 - Search and Rescue Data

Winthrop Harbor Buoy, IL
42.491 N 87.779 W (42°29'27" N 87°46'44" W)

Average surface winds - six hour block.

Date (UTC)	Average Wind Dir (True)	Average Wind Spd (Knots)	Wind Obs	Average Seas (Feet)	Wave Obs	Air Temp. (Degrees F.)	Air Temp. Obs	Water Temp. (Degrees F.)	Water Temp. Obs
2023-06-10 1200Z	296	8	33	1	33	65	33	61	33
2023-06-10 0600Z	200	5	36	1	36	63	36	63	36
2023-06-10 0000Z	162	9	36	1	36	63	36	63	36
2023-06-09 1800Z	142	4	36	1	36	61	36	63	36
2023-06-09 1200Z	359	5	36	1	36	60	36	61	36
2023-06-09 0600Z	348	7	36	1	36	60	36	62	36
2023-06-09 0000Z	9	4	35	1	35	61	35	62	35
2023-06-08 1800Z	52	7	35	1	35	59	35	61	35
2023-06-08 1200Z	42	9	36	2	36	58	36	62	36
2023-06-08 0600Z	46	12	36	3	36	58	36	62	36
2023-06-08 0000Z	42	13	36	2	36	59	36	62	36
2023-06-07 1800Z	52	11	36	2	36	58	36	62	36
2023-06-07 1200Z	42	11	36	2	36	58	36	62	36
2023-06-07 0600Z	41	13	36	3	36	59	36	62	36
2023-06-07 0000Z	41	13	36	2	36	60	36	62	36
2023-06-06 1800Z	47	11	36	2	36	60	36	62	36
2023-06-06 1200Z	28	8	36	1	36	62	36	63	36
2023-06-06 0600Z	325	5	36	0	36	64	36	64	36
2023-06-06 0000Z	270	1	36	0	36	68	36	63	36
2023-06-05 1800Z	51	1	36	1	36	67	36	62	36

The six-hour averages are calculated as follows: