Klamath Rivermouth Surf Break

Lat Long: 41.55° N 124.08° W

Klamath Rivermouth 48 hour detailed Surf Forecast

Issued: 4 pm 23 Aug 2026 (local time)

Forecast update in  hr  min

Today's Klamath Rivermouth sea temperature is
15.3°C
1.3° 

Klamath Rivermouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Klamath Rivermouth today (23 Aug):

  • Afternoon surf: Afternoon surf (23 Aug, local time) - 1.5ft (0.5m), 19s period with SW swell.
  • Evening surf: Evening surf (23 Aug, local time) - 6ft (1.8m), 7s period with NW swell.

The current surf forecast for Klamath Rivermouth at 8PM is: 1.8m 7s primary swell from a Northwest direction and 0.5m 18s secondary swell from a Southwest direction (forecast issued at 04:00pm August 23). The wind direction is predicted to be glassy and the swell rating is 3.

Time (PDT) & DateWave HeightWave Period
Morning (23 Aug)--
Afternoon (23 Aug)1.5ft (0.5m)19s
Evening (23 Aug)6ft (1.8m)7s

Table - waves today at Klamath Rivermouth. (Swell directed towards the surf break)


Short Range Forecast

Mostly dry. Warm (max 21°C on Sun afternoon, min 13°C on Mon night). Wind will be generally light.

Sun
23
Monday
24
Tuesday
25
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
0
1
3
3
2
2
2
1
1
1
1
1
0
1
1
1
1
1
1
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.5
SW
19
1.8
NW
7
1.8
NW
7
1.8
NW
8
1.5
NW
7
1.3
NW
7
0.5
SW
18
0.6
SW
18
0.6
SW
18
0.6
SW
18
0.5
SW
17
0.5
SW
17
0.5
SW
17
0.6
SW
17
0.6
SW
17
0.6
SW
16
0.6
SW
16
0.6
SW
16
0.6
SW
16
0.5
SW
16
Wave Graph
Metric surfscale
Energy kJ
179
325
363
345
237
194
154
255
252
249
147
137
135
179
181
219
216
214
165
125
Wind (km/h)
15
NW
10
NW
5
SSE
10
SSE
5
SE
0
ESE
0
SSE
10
SW
5
SW
10
SSW
10
S
10
SSE
10
S
10
S
10
S
10
SW
10
W
10
WNW
5
NNW
5
NNE
Wind State
cross-on
cross-on
glassy
cross-off
glassy
glassy
glassy
cross-on
cross-on
cross
cross
cross-off
cross
cross
cross
cross-on
on
cross-on
cross
glassy
High Tide
8:51PM2.43m
11:12AM2.03m
9:42PM2.51m
11:40AM2.12m
10:27PM2.57m
Low Tide
2:56PM1.65m
4:18AM0.56m
3:50PM1.57m
4:56AM0.47m
4:36PM1.46m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:33
6:33
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:04
8:01
8:00
 mm
Temp °C
21
21
17
17
17
16
17
21
21
21
15
14
14
13
14
19
20
19
14
13
Feels °C
19
20
17
16
16
16
17
20
20
20
14
13
13
11
13
18
19
19
14
13
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
How to use the Wavefinder 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Klamath Rivermouth surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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