The surf forecast is flat right now for Gilson Beach, IL

WEATHER - LIVE
73° ENE @ 16 → 20mph
BUOY 45174
NE2ft @ 4s
WATER TEMP
73° Long Arm Spring

Forecast

THU 20

FRI 21

SAT 22

SUN 23

MON 24

3pm

Clean
Fair
Choppy

Conditions are flat and choppy at 3pm on Thu 8/20

WINDNNE 10 mph

PRIMARYNE (42) 0.7 ft @ 3 sec

SECONDARY

No Tide Data

Forecast Details

Basic

Detail

Forecast

History

Thursday, Aug 20
SURF WIND SWELL
6am
flat
choppy

NNE

10mph
0.7ft
3s
NE
12pm
0-1 ft
choppy

NNE

11mph
0.9ft
3s
NE
6pm
flat
fair

NNE

7mph
0.5ft
3s
NE

Friday, Aug 21
SURF WIND SWELL
6am
flat
clean

SSW

7mph
0ft
0s
S
12pm
flat
clean

SSE

6mph
0ft
0s
S
6pm
flat
clean

SSW

7mph
0ft
0s
S

Saturday, Aug 22
SURF WIND SWELL
6am
flat
choppy

NW

10mph
0ft
0s
S
12pm
0-1 ft
choppy

NNW

13mph
1.3ft
4s
N
6pm
0-1 ft
choppy

NNW

6mph
1.1ft
4s
NNE

Sunday, Aug 23
SURF WIND SWELL
6am
1-2 ft
choppy

NNE

12mph
2.9ft
5s
NNE
12pm
1+ ft
choppy

NNE

9mph
2.4ft
5s
NNE
6pm
1 ft
clean

ESE

3mph
1.7ft
5s
NNE

Monday, Aug 24
SURF WIND SWELL
6am
0-1 ft
fair

W

6mph
0.7ft
4s
NNE
12pm
flat
clean

E

3mph
0.4ft
4s
NNE
6pm
flat
fair

ESE

7mph
0.3ft
4s
NNE

	SURF	WIND	SWELL
6am	flat choppy	NNE 10mph	0.7ft 3s NE
12pm	0-1 ft choppy	NNE 11mph	0.9ft 3s NE
6pm	flat fair	NNE 7mph	0.5ft 3s NE

	SURF	WIND	SWELL
6am	flat clean	SSW 7mph	0ft 0s S
12pm	flat clean	SSE 6mph	0ft 0s S
6pm	flat clean	SSW 7mph	0ft 0s S

	SURF	WIND	SWELL
6am	flat choppy	NW 10mph	0ft 0s S
12pm	0-1 ft choppy	NNW 13mph	1.3ft 4s N
6pm	0-1 ft choppy	NNW 6mph	1.1ft 4s NNE

	SURF	WIND	SWELL
6am	1-2 ft choppy	NNE 12mph	2.9ft 5s NNE
12pm	1+ ft choppy	NNE 9mph	2.4ft 5s NNE
6pm	1 ft clean	ESE 3mph	1.7ft 5s NNE

	SURF	WIND	SWELL
6am	0-1 ft fair	W 6mph	0.7ft 4s NNE
12pm	flat clean	E 3mph	0.4ft 4s NNE
6pm	flat fair	ESE 7mph	0.3ft 4s NNE

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This forecast is for North-North-East facing beaches, and was updated Aug 20, 2026 @ 8:33am.

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