Klamath Rivermouth Surf Break

Lat Long: 41.55° N 124.08° W

Klamath Rivermouth 48 hour detailed Surf Forecast

Issued: 4 pm 13 Sep 2026 (local time)

Forecast update in  hr  min

Today's Klamath Rivermouth sea temperature is
15.4°C
1.6° 

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 (13 Sep):

  • Afternoon surf: Afternoon surf (13 Sep, local time) - 4.5ft (1.4m), 9s period with WNW swell.
  • Evening surf: Evening surf (13 Sep, local time) - 4.5ft (1.3m), 9s period with WNW swell.

The current surf forecast for Klamath Rivermouth at 10PM is: 1.4m 9s primary swell from a West-northwest direction and 0.6m 13s secondary swell from a Southwest direction, 0.7m 4s secondary swell from a North-northwest direction (forecast issued at 04:00pm September 13). The wind direction is predicted to be cross-offshore and the swell rating is 2.

Time (PDT) & DateWave HeightWave Period
Morning (13 Sep)--
Afternoon (13 Sep)4.5ft (1.4m)9s
Evening (13 Sep)4.5ft (1.3m)9s

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


Short Range Forecast

Mostly dry. Very mild (max 19°C on Mon morning, min 12°C on Tue night). Wind will be generally light.

Sun
13
Monday
14
Tuesday
15
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)
1
0
1
2
2
2
2
0
0
0
3
3
2
2
2
1
0
1
3
3
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)
1.4
WNW
9
1.4
WNW
9
1.3
WNW
9
1.4
WNW
9
1.3
WNW
9
1.3
WNW
8
1.2
NW
8
1.2
NW
8
1.7
NW
6
2.3
NW
7
2.2
NW
8
1.9
NW
8
1.6
NW
8
1.5
NW
8
1.5
NW
8
1.5
NW
8
1.8
NW
7
2.3
NW
8
2.4
NW
8
2.3
NW
8
Wave Graph
Metric surfscale
Energy kJ
326
318
280
293
252
241
201
192
240
520
531
403
292
244
244
244
363
650
744
611
Wind (km/h)
10
W
15
NW
15
N
10
NE
5
ENE
10
NE
5
NE
10
NW
20
NW
15
NW
5
N
5
SE
5
ESE
5
NE
5
NE
10
WNW
15
NW
15
NW
10
NNE
5
ENE
Wind State
on
cross-on
cross
cross-off
cross-off
cross-off
cross-off
cross-on
cross-on
cross-on
cross-off
cross-off
glassy
glassy
glassy
cross-on
cross-on
cross-on
cross-off
glassy
High Tide
1:36PM2.70m
2:19AM2.32m
2:08PM2.66m
3:10AM2.16m
2:40PM2.58m
Low Tide
8:06PM0.55m
7:58AM1.02m
8:51PM0.56m
8:32AM1.21m
9:38PM0.62m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:54
6:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:29
7:27
7:25
 mm
Temp °C
18
18
14
14
13
13
13
19
19
18
14
14
14
13
14
19
18
18
14
14
Feels °C
16
15
12
13
11
11
11
16
16
15
13
13
13
12
13
17
15
16
13
14
  • 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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