Klamath Rivermouth Surf Break

Lat Long: 41.55° N 124.08° W

Klamath Rivermouth 48 hour detailed Surf Forecast

Issued: 4 am 20 Jul 2026 (local time)

Forecast update in  hr  min

Today's Klamath Rivermouth sea temperature is
12.8° C
0.3° 

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 (20 Jul):

  • Morning surf: Morning surf (20 Jul, local time) - 4.5ft (1.4m), 8s period with NW swell.
  • Afternoon surf: Afternoon surf (20 Jul, local time) - 4.5ft (1.3m), 8s period with NW swell.
  • Evening surf: Evening surf (20 Jul, local time) - 2.5ft (0.7m), 16s period with SW swell.

The current surf forecast for Klamath Rivermouth at 11AM is: 1.4m 8s primary swell from a Northwest direction and 0.6m 16s secondary swell from a Southwest direction (forecast issued at 04:00am July 20). The wind direction is predicted to be glassy and the swell rating is 3.

Time (PDT) & DateWave HeightWave Period
Morning (20 Jul)4.5ft (1.4m)8s
Afternoon (20 Jul)4.5ft (1.3m)8s
Evening (20 Jul)2.5ft (0.7m)16s

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


Short Range Forecast

Mostly dry. Warm (max 23°C on Wed afternoon, min 14°C on Mon night). Wind will be generally light.

Monday
20
Tuesday
21
Wednesday
22
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
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
3
3
3
3
1
2
2
2
2
2
2
1
1
1
2
2
2
2
2
1
1
1
2
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.6
NW
8
1.5
NW
8
1.5
NW
8
1.4
NW
8
1.3
NW
8
1.3
NW
8
1.2
NW
8
0.7
SW
16
0.7
SW
16
0.7
SW
16
0.7
SW
16
0.7
SW
16
0.7
SW
15
0.6
SW
15
0.6
SW
14
0.6
SW
14
0.6
SW
14
0.6
SW
14
0.6
SW
14
0.8
NW
8
0.6
SW
15
0.6
SW
15
0.6
SW
14
0.6
SW
14
Wave Graph
Metric surfscale
Energy kJ
324
270
277
253
233
211
201
245
248
248
245
242
233
171
167
164
167
167
169
73
134
134
132
123
Wind (km/h)
5
SE
5
S
5
SSE
0
ESE
10
SW
5
SW
0
ESE
5
SSW
5
NNE
5
N
5
SW
5
WNW
10
WNW
10
NW
5
NNW
5
NE
5
N
5
N
5
NW
5
WNW
5
WNW
5
WNW
5
NNW
0
S
Wind State
glassy
glassy
cross-off
glassy
cross-on
glassy
glassy
glassy
cross-off
glassy
glassy
on
cross-on
cross-on
glassy
glassy
glassy
glassy
glassy
on
on
on
glassy
glassy
High Tide
4:46AM2.05m
5:17PM2.56m
6:01AM1.87m
6:00PM2.52m
7:29AM1.78m
6:45PM2.49m
Low Tide
11:01PM1.00m
10:38AM0.96m
00:07AM0.93m
11:19AM1.20m
1:14AM0.86m
12:07PM1.40m
cloud
cloud
cloud
part cloud
part cloud
cloud
part cloud
cloud
cloud
cloud
cloud
part cloud
clear
part cloud
part cloud
clear
cloud
clear
clear
part cloud
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:58
6:00
6:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:45
8:44
8:43
 mm
Temp °C
15
16
17
19
21
19
17
15
17
14
19
21
22
21
17
16
17
18
20
21
23
22
18
16
Feels °C
15
16
17
20
20
19
18
15
17
14
19
21
22
20
17
16
17
18
20
21
23
22
19
16
  • 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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