The surf forecast is flat right now for Illinois Beach, IL
- WEATHER FORECAST
No active nearby wind station. Using forecast data.72° NNE @ 7mph - BUOY 45186 Latest wave height and wave period from Buoy 451861ft @ 3s
- WATER TEMP Water temperature from nearby buoy station 4518672° Long Arm Spring
Forecast
Surf Swell
5 day 16 day
- 8ft
- 6ft
- 4ft
- 2ft
FRI 19
SAT 20
SUN 21
MON 22
7am
- Clean
- Fair
- Choppy
Conditions are flat and clean at 7am on Thu 9/18
No Tide Data
Forecast Details
Basic
Detail
- Thursday, Sep 18
SURF WIND SWELL 12pm flatcleanE
5mph0ft0sS
6pm flatfairENE 6mph0ft0sS - Best Board for Thursday
- Friday, Sep 19
SURF WIND SWELL 6am flatfairNE 5mph0.4ft3sNNE12pm flatfairE 8mph0.5ft4sN6pm 0-1 ftchoppyENE 10mph0.8ft4sNNE - Saturday, Sep 20
SURF WIND SWELL 6am 1 ftchoppyESE 11mph1.9ft5sENE12pm 0-1 ftchoppySE 9mph0.9ft5sNNE6pm 0-1 ftfairE 7mph0.7ft5sNNE - Sunday, Sep 21
SURF WIND SWELL 6am 0-1 ftchoppySSE 10mph1.2ft3sSE12pm flatfairSSW 5mph0.6ft3sSE6pm flatcleanSW 8mph0.3ft3sSE - Best Surf Trip
Surf Witch’s Rock. Stay in Tamarindo.
- Monday, Sep 22
SURF WIND SWELL 6am flatcleanSW 7mph0ft0sS12pm flatcleanSSW 6mph0ft0sS6pm flatfairSSW 6mph0ft0sS
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This forecast is for East facing beaches, and was updated Sep 18, 2025 @ 8:46pm.
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