Point Forecast: 4NM ENE Chicago IL  41.85N 87.59W	Last Update: 4:36 am CDT May 20, 2026

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Date	05/20															05/21
Hour (CDT)	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08
Surface Wind (kt)	12	12	12	13	13	13	14	14	14	15	15	14	12	11	12	14	15	14	14	13	12	12	11	11
Wind Dir	N	N	N	N	NNE	NNE	NNE	NNE	NNE	NNE	N	NNE	NNE	NNE	NNE	NNE	NNE	NE	NE	NE	NE	ENE	E	E
Gust	17	17	17			18			19				17	16
Wave Height (ft)	2	2	3	3	3	3	3	3	3	4	4	4	3	3	4	4	4	4	4	4	4	4	3	3
Wave Period (sec)	5	5	5	5	5	5	6	6	6	6	6	6	6	7	7	7	7	7	7	6	6	6	6	6
Wave Direction (°)	20	20	30	30	30	30	30	30	30	30	30	30	40	40	40	40	40	40	40	40	50	50	50	50
Date																05/22
Hour (CDT)	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08
Surface Wind (kt)	10	10	10	11	11	12	13	13	14	15	15	14	12	11	10	10	10	10	10	11	12	12	13	13
Wind Dir	E	ENE	ENE	NE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NE	ENE	ENE	ENE	ENE	E	E	ENE	ENE	ENE	ENE	ENE	ENE
Gust					16	17		18
Wave Height (ft)	3	3	3	2	2	2	2	2	3	3	3	3	3	3	3	2	2	2	2	2	2	3	3	3
Wave Period (sec)	6	5	5	5	5	4	4	4	4	5	5	5	5	5	5	5	5	5	4	4	4	4	5	5
Wave Direction (°)	50	50	50	60	60	50	50	40	30	30	30	40	40	40	40	40	50	60	60	60	60	60	60	60

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