The surf forecast is 4-6+ ft and glassy right now for Klamath River, CA

  • WEATHER FORECAST
    51° S @ 15 → 20mph
  • LOW / HIGH TIDE
    10:21am / 3:06am
  • BUOY 46027
    NNW9.8ft @ 8s
  • WATER TEMP
    49° 5/3, Boots/Gloves(5)

Forecast

Surf
Swell
  • 8ft
  • 6ft
  • 4ft
  • 2ft
THU 21
FRI 22
SAT 23
SUN 24
MON 25
12am
  • Clean
  • Fair
  • Choppy
Conditions are 4-6+ ft and clean at 12am on Thu 5/21
Compass Map
Forecast CompassCompass Wind ArrowCompass Primary Swell ArrowCompass Secondary Swell Arrow
Wind Arrow
WINDSSE 2 mph
Primary Swell Arrow
PRIMARYNW (309) 7.1 ft @ 8 sec
Secondary Swell Arrow
SECONDARYWNW (293) 3.4 ft @ 11 sec
TIDE LEVEL
Incoming Mid Tide,4.8 ft

Forecast Details

Basic
Detail
  • Thursday, May 21
    SURFWINDSWELL
    6am
    4-5+ ft
    clean
    NNE
    2mph
    5.9ft
    8s
    NW
    12pm
    4-6+ ft
    choppy
    NW
    7mph
    7.2ft
    9s
    NW
    6pm
    5-7+ ft
    fair
    NW
    6mph
    9.6ft
    9s
    NW
  • Friday, May 22
    SURFWINDSWELL
    6am
    4-6+ ft
    clean
    NNE
    4mph
    8.3ft
    8s
    NW
    12pm
    4-7 ft
    choppy
    NW
    10mph
    8.8ft
    8s
    NW
    6pm
    5-7 ft
    choppy
    NW
    7mph
    9.5ft
    8s
    NW
  • Saturday, May 23
    SURFWINDSWELL
    6am
    3-4 ft
    clean
    N
    1mph
    5ft
    8s
    NW
    12pm
    3-4 ft
    fair
    W
    5mph
    4.8ft
    8s
    NW
    6pm
    3-4+ ft
    fair
    SW
    4mph
    5.8ft
    8s
    NW
  • Sunday, May 24
    SURFWINDSWELL
    6am
    3-4+ ft
    clean
    WSW
    1mph
    5.3ft
    8s
    NW
    12pm
    4-5 ft
    choppy
    SW
    6mph
    3.2ft
    15s
    WNW
    6pm
    4-5+ ft
    fair
    SSW
    4mph
    3.8ft
    14s
    WNW
  • Monday, May 25
    SURFWINDSWELL
    6am
    4-6 ft
    clean
    SSE
    2mph
    4.5ft
    13s
    WNW
    12pm
    3-5 ft
    choppy
    SW
    7mph
    3.7ft
    12s
    WNW
    6pm
    4-6+ ft
    clean
    SE
    1mph
    5.2ft
    12s
    WNW
Check 16-days forecast with
Surf Captain Pro
Upgrade to Pro
This forecast is for beaches with direct offshore winds from East to East-North-East, and was updated May 21, 2026 @ 12:11am.
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