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

  • WEATHER FORECAST
    81° WSW @ 7mph
  • BUOY 45186
    SE1ft @ 3s
  • WATER TEMP
    78° Trunks/Bikini

Forecast

  • 8ft
  • 6ft
  • 4ft
  • 2ft
FRI 17
SAT 18
SUN 19
MON 20
TUE 21
7pm
  • Clean
  • Fair
  • Choppy
Conditions are flat and clean at 7pm on Fri 7/17
Compass Map
Forecast CompassCompass Wind ArrowCompass Primary Swell ArrowCompass Secondary Swell Arrow
Wind Arrow
WINDWSW 7 mph
Primary Swell Arrow
PRIMARYNNE (28) 0.2 ft @ 2 sec
Secondary Swell Arrow
SECONDARY
No Tide Data

Forecast Details

Basic
Detail
Forecast
History
  • Friday, Jul 17
    SURFWINDSWELL
    6am
    flat
    clean
    ESE
    2mph
    0.7ft
    3s
    NE
    12pm
    flat
    clean
    S
    3mph
    0.4ft
    3s
    NNE
    6pm
    flat
    clean
    WSW
    7mph
    0.2ft
    2s
    NNE
  • Saturday, Jul 18
    SURFWINDSWELL
    6am
    flat
    clean
    WSW
    11mph
    0ft
    0s
    S
    12pm
    flat
    clean
    WNW
    12mph
    0ft
    0s
    S
    6pm
    0-1 ft
    choppy
    NE
    14mph
    1.1ft
    3s
    NE
  • Sunday, Jul 19
    SURFWINDSWELL
    6am
    1+ ft
    choppy
    ENE
    12mph
    2.3ft
    5s
    NE
    12pm
    1 ft
    fair
    ENE
    8mph
    1.3ft
    5s
    NNE
    6pm
    0-1 ft
    fair
    NE
    5mph
    0.8ft
    4s
    NNE
  • Monday, Jul 20
    SURFWINDSWELL
    6am
    flat
    clean
    SSW
    5mph
    0.3ft
    4s
    NNE
    12pm
    flat
    choppy
    S
    9mph
    0.2ft
    3s
    NNE
    6pm
    0-1 ft
    choppy
    ESE
    12mph
    1.2ft
    4s
    SE
  • Tuesday, Jul 21
    SURFWINDSWELL
    6am
    flat
    clean
    WSW
    9mph
    0.4ft
    3s
    SSE
    12pm
    flat
    choppy
    NNW
    9mph
    0ft
    0s
    S
    6pm
    flat
    clean
    NW
    13mph
    0.7ft
    2s
    NNW
Check 16-days forecast with
Surf Captain Pro
Upgrade to Pro
This forecast is for East facing beaches, and was updated Jul 17, 2026 @ 2:48pm.
Read more about the Surf Captain forecasts.

Forecast Services

Surf Captain Mobile
  • App Store Link
  • Google Play Store Link

Surf Captain Widgets

Add Surf Captain Widgets to your website. Choose from two different widget types to provide the 3 day surf forecast or current conditions on your site.

View Service

Surf Etiquette Guide

We created the Surf Captain Surf Etiquette guide to hand out to surf schools and surf shops to help educate the new wave of beginner surfers. Free for those willing to help educate.

View Service

Cross Promotional Tide Charts

The Surf Captain cross promotional tide charts offer you and your business and easy and inexpensive way to market your brand. The tide charts are 3 months front, and 3 months back, with your logo and business info on the top of each side.

View Service

Surf Captain Mini Handbook

The Surf Captain Mini Handbooks - A Simple Guide to Surf Forecasting. The Mini Handbook is a trifold brochure providing the basic understandings of ocean wave science and surf forecasting.

View Service