Station 45198 - Search and Rescue Data

Chicago Buoy
41.892 N 87.563 W (41°53'33" N 87°33'47" 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
2026-05-25 1200Z	213	6	21	0	21	60	21	56	21
2026-05-25 0600Z	190	4	36	1	36	59	36	56	36
2026-05-25 0000Z	154	3	36	1	36	59	36	57	36
2026-05-24 1800Z	128	6	14	1	36	58	36	56	36
2026-05-24 1200Z	250	2	23	1	32	57	35	55	36
2026-05-24 0600Z	116	6	36	1	36	56	36	55	36
2026-05-24 0000Z	69	7	36	1	36	54	36	55	36
2026-05-23 1800Z	10	10	36	2	36	53	36	55	36
2026-05-23 1200Z	30	10	36	2	36	53	36	54	36
2026-05-23 0600Z	76	7	36	2	36	56	36	54	36
2026-05-23 0000Z	28	10	36	2	36	56	36	54	36
2026-05-22 1800Z	24	11	36	2	36	54	36	54	36
2026-05-22 1200Z	63	15	35	3	35	52	35	54	35
2026-05-22 0600Z	67	7	36	2	36	53	36	55	36
2026-05-22 0000Z	0	17	36	3	36	51	36	55	36
2026-05-21 1800Z	21	15	36	3	36	51	36	54	36
2026-05-21 1200Z	47	15	36	3	36	51	36	54	36
2026-05-21 0600Z	42	17	36	3	36	52	36	54	36
2026-05-21 0000Z	16	18	36	3	36	52	36	54	36
2026-05-20 1800Z	16	17	35	3	35	52	35	54	35

The six-hour averages are calculated as follows: