Point Forecast: 4NM ENE Chicago IL  41.85N 87.59W	Last Update: 9:25 pm CDT Sep 12, 2026

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Date	09/12			09/13
Hour (CDT)	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20
Surface Wind (kt)	8	9	9	9	8	8	8	8	8	7	7	7	7	8	9	10	11	10	10	10	10	9	7	8
Wind Dir	NW	NW	NNW	NNW	NNW	NNW	N	N	NNW	NNW	NNW	NNW	NNW	NNW	N	N	N	N	N	N	N	N	NNW	NNW
Gust
Wave Height (ft)	0	0	0	0	1	1	1	1	1	1	1	1	1	1	1	1	2	2	2	2	2	2	1	1
Wave Period (sec)	1	1	2	2	3	3	3	3	4	4	4	4	4	4	5	5	5	5	6	6	6	6	6	5
Wave Direction (°)	320	330	340	350	0	140	140	140	10	10	10	10	20	10	20	20	20	20	30	30	30	30	30	20
Date				09/14
Hour (CDT)	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20
Surface Wind (kt)	7	7	7	7	7	7	7	7	7	8	8	8	9	9	9	9	9	9	10	10	10	12	13	15
Wind Dir	NNW	N	N	N	N	N	N	NNE	NE	ENE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	SE	SE	SE	SE	SE	SSE
Gust																					15
Wave Height (ft)	1	1	1	1	1	1	1	1	1	1	1	1	2	2	2	2	1	1	1	1	1	2	2	3
Wave Period (sec)	5	5	5	5	4	4	4	4	4	4	4	3	4	4	4	4	3	3	3	3	3	3	4	4
Wave Direction (°)	20	20	20	20	10	10	10	20	20	20	30	50	60	70	80	80	80	90	100	110	120	120	130	130

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