Klamath Rivermouth Surf Break

Lat Long: 41.55° N 124.08° W

Klamath Rivermouth 48 hour detailed Surf Forecast

Issued: 10 am 12 Sep 2026 (local time)

Forecast update in  hr  min

Today's Klamath Rivermouth sea temperature is
15.4°C
1.5° 

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 (12 Sep):

  • Morning surf: Morning surf (12 Sep, local time) - 2.5ft (0.7m), 15s period with SW swell.
  • Afternoon surf: Afternoon surf (12 Sep, local time) - 2.5ft (0.7m), 14s period with SW swell.
  • Evening surf: Evening surf (12 Sep, local time) - 2.5ft (0.7m), 14s period with SW swell.

The current surf forecast for Klamath Rivermouth at 5PM is: 0.7m 14s primary swell from a Southwest direction and 0.9m 10s secondary swell from a West-northwest direction, 0.2m 7s secondary swell from a South direction (forecast issued at 10:00am September 12). The wind direction is predicted to be cross-onshore.

Time (PDT) & DateWave HeightWave Period
Morning (12 Sep)2.5ft (0.7m)15s
Afternoon (12 Sep)2.5ft (0.7m)14s
Evening (12 Sep)2.5ft (0.7m)14s

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 13°C on Sat morning). Wind will be generally light.

Saturday
12
Sunday
13
Monday
14
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)
2
2
2
1
1
2
2
2
2
1
1
0
2
3
2
2
2
0
0
0
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)
0.8
SW
15
1
NW
11
0.8
SW
14
0.7
SW
14
0.8
SW
14
0.7
SW
14
1
WNW
10
1.1
WNW
10
1.3
WNW
9
1.4
WNW
9
1.5
WNW
9
1.4
WNW
9
1.5
WNW
9
1.5
WNW
9
1.4
WNW
9
1.4
WNW
8
1.3
WNW
8
1.4
NW
8
1.8
NW
7
2.3
NW
7
2.2
NW
8
1.9
NW
8
Wave Graph
Metric surfscale
Energy kJ
255
224
248
203
248
200
196
226
268
308
368
318
362
354
280
267
219
226
308
569
545
424
Wind (km/h)
0
ESE
5
W
5
SSW
10
SW
10
S
10
SSE
10
SSE
10
SE
5
ESE
5
W
15
WNW
15
NW
10
N
5
ENE
5
ENE
10
NE
5
ENE
10
NW
20
NW
15
NW
5
NNE
5
SE
Wind State
glassy
glassy
cross-on
cross-on
cross
cross-off
cross-off
cross-off
off
on
cross-on
cross-on
cross
off
off
cross-off
cross-off
cross-on
cross-on
cross-on
glassy
glassy
High Tide
1:05PM2.69m
1:30AM2.47m
1:36PM2.70m
2:19AM2.32m
2:08PM2.66m
Low Tide
6:51AM0.62m
7:22PM0.60m
7:25AM0.82m
8:06PM0.55m
7:58AM1.02m
8:51PM0.56m
cloud
cloud
cloud
part cloud
part cloud
clear
part cloud
part cloud
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>
6:52
6:54
6:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:30
7:29
7:27
 mm
Temp °C
13
15
15
17
15
14
13
13
14
17
18
17
13
13
13
13
14
19
19
18
14
14
Feels °C
12
14
14
15
13
12
11
11
13
15
16
15
12
12
11
11
12
16
16
15
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 

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