Klamath Rivermouth Surf Break

Lat Long: 41.55° N 124.08° W

Klamath Rivermouth 48 hour detailed Surf Forecast

Issued: 4 pm 13 Aug 2026 (local time)

Forecast update in  hr  min

Today's Klamath Rivermouth sea temperature is
14.7° C
1.0° 

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 Aug):

  • Afternoon surf: Afternoon surf (13 Aug, local time) - 5ft (1.5m), 7s period with NW swell.
  • Evening surf: Evening surf (13 Aug, local time) - 4.5ft (1.4m), 7s period with NW swell.

The current surf forecast for Klamath Rivermouth at 7PM is: 1.5m 7s primary swell from a Northwest direction and 0.5m 16s secondary swell from a Southwest direction (forecast issued at 04:00pm August 13). The wind direction is predicted to be cross-onshore.

Time (PDT) & DateWave HeightWave Period
Morning (13 Aug)--
Afternoon (13 Aug)5ft (1.5m)7s
Evening (13 Aug)4.5ft (1.4m)7s

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


Short Range Forecast

Mostly dry. Very mild (max 19°C on Thu afternoon, min 13°C on Thu night). Wind will be generally light.

Thu
13
Friday
14
Saturday
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
2
2
2
2
2
1
0
1
1
2
2
2
2
1
0
0
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)
1.5
NW
7
1.4
NW
7
1.5
NW
7
1.4
NW
7
0.6
SW
16
0.5
SW
16
0.6
SW
16
0.6
SW
15
0.6
SW
15
0.6
SW
15
0.4
SW
19
0.4
SW
18
0.5
SW
18
0.5
SW
18
0.5
SW
18
0.6
SW
14
0.5
SW
18
0.7
SW
17
0.7
SW
16
0.6
SSW
16
Wave Graph
Metric surfscale
Energy kJ
229
183
216
189
153
118
151
149
139
134
103
102
155
155
154
132
150
280
257
175
Wind (km/h)
10
W
10
NW
5
NW
5
SSW
5
SE
0
ENE
0
NNE
10
W
10
WNW
10
NW
10
NNW
5
N
0
NE
5
NE
0
WNW
10
WNW
15
NW
15
NW
10
NNW
5
ENE
Wind State
on
cross-on
glassy
glassy
cross-off
glassy
glassy
on
on
cross-on
cross-on
glassy
glassy
glassy
glassy
cross-on
cross-on
cross-on
cross-on
glassy
High Tide
1:17PM2.52m
00:48AM2.80m
1:53PM2.60m
1:39AM2.63m
2:27PM2.64m
Low Tide
6:52PM1.02m
7:26AM0.25m
7:43PM0.90m
8:03AM0.45m
8:34PM0.83m
clear
clear
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:22
6:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:19
8:16
8:15
 mm
Temp °C
19
18
14
14
14
13
14
18
19
17
15
13
13
13
14
18
18
17
14
13
Feels °C
19
17
14
15
14
13
15
18
18
16
15
13
13
13
15
17
16
15
13
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.


Nearest locationNearest