The surf forecast is 0-1 ft and semi glassy/bumpy right now for Gilson Beach, IL

  • WEATHER - LIVE
    72° ENE @ 9 → 11mph
  • BUOY 45174
    NNE2.3ft @ 5s
  • WATER TEMP
    73° Long Arm Spring

Forecast

  • 8ft
  • 6ft
  • 4ft
  • 2ft
MON 17
TUE 18
WED 19
THU 20
FRI 21
3pm
  • Clean
  • Fair
  • Choppy
Conditions are 0-1 ft and fair at 3pm on Mon 8/17
Compass Map
Forecast CompassCompass Wind ArrowCompass Primary Swell ArrowCompass Secondary Swell Arrow
Wind Arrow
WINDNNE 8 mph
Primary Swell Arrow
PRIMARYNNE (29) 1.1 ft @ 4 sec
Secondary Swell Arrow
SECONDARY
No Tide Data

Forecast Details

Basic
Detail
Forecast
History
  • Monday, Aug 17
    SURFWINDSWELL
    6am
    0-1 ft
    choppy
    NNW
    8mph
    1.3ft
    4s
    NNE
    12pm
    0-1 ft
    fair
    NNE
    8mph
    1.3ft
    4s
    NNE
    6pm
    0-1 ft
    fair
    N
    4mph
    0.8ft
    4s
    NNE
  • Tuesday, Aug 18
    SURFWINDSWELL
    6am
    flat
    clean
    WSW
    6mph
    0.3ft
    4s
    NNE
    12pm
    flat
    clean
    SW
    9mph
    0.2ft
    3s
    NNE
    6pm
    flat
    clean
    SSW
    5mph
    0ft
    0s
    S
  • Wednesday, Aug 19
    SURFWINDSWELL
    6am
    flat
    fair
    WNW
    8mph
    0ft
    0s
    S
    12pm
    flat
    choppy
    N
    12mph
    0ft
    0s
    S
    6pm
    flat
    fair
    NE
    6mph
    0.4ft
    2s
    N
  • Thursday, Aug 20
    SURFWINDSWELL
    6am
    0-1 ft
    clean
    NNW
    1mph
    0.6ft
    4s
    NNE
    12pm
    flat
    clean
    ENE
    1mph
    0.4ft
    3s
    NNE
    6pm
    flat
    choppy
    ENE
    6mph
    0.2ft
    3s
    NNE
  • Friday, Aug 21
    SURFWINDSWELL
    6am
    flat
    clean
    WNW
    3mph
    0.2ft
    4s
    N
    12pm
    flat
    clean
    ESE
    2mph
    0.4ft
    3s
    NNE
    6pm
    flat
    clean
    S
    5mph
    0.2ft
    3s
    NNE
Check 16-days forecast with
Surf Captain Pro
Upgrade to Pro
This forecast is for North-North-East facing beaches, and was updated Aug 17, 2026 @ 8:34am.
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