Klamath Rivermouth Surf Break

Lat Long: 41.55° N 124.08° W

Klamath Rivermouth 48 hour detailed Surf Forecast

Issued: 4 am 20 Oct 2026 (local time)

Forecast update in  hr  min

Today's Klamath Rivermouth sea temperature is
11.6°C
1.1° 

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 Oct):

  • Morning surf: Morning surf (20 Oct, local time) - 8ft (2.4m), 12s period with WNW swell.
  • Afternoon surf: Afternoon surf (20 Oct, local time) - 6ft (1.9m), 11s period with WNW swell.
  • Evening surf: Evening surf (20 Oct, local time) - 4.5ft (1.4m), 10s period with WNW swell.

The current surf forecast for Klamath Rivermouth at 8AM is: 2.5m 12s primary swell from a West-northwest direction and 0.7m 16s secondary swell from a Southwest direction (forecast issued at 04:00am October 20). The wind direction is predicted to be glassy and the swell rating is 4.

Time (PDT) & DateWave HeightWave Period
Morning (20 Oct)8ft (2.4m)12s
Afternoon (20 Oct)6ft (1.9m)11s
Evening (20 Oct)4.5ft (1.4m)10s

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


Short Range Forecast

Mostly dry. Warm (max 20°C on Wed morning, min 8°C on Thu night). Wind will be generally light.

Tuesday
20
Wednesday
21
Thursday
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)
4
4
4
4
3
2
3
3
3
3
2
2
1
1
2
2
2
2
2
2
2
3
3
3
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)
2.5
WNW
13
2.5
WNW
12
2.5
WNW
12
2.3
WNW
12
2.1
WNW
11
1.7
WNW
11
1.5
WNW
10
1.3
WNW
10
1.3
WNW
10
1.2
WNW
9
0.8
W
12
0.8
W
12
1
NW
9
0.6
SSW
14
0.6
SW
15
0.6
SW
15
0.6
SW
16
0.5
NW
14
0.9
WNW
13
1
WNW
12
1
WNW
11
1
WNW
11
1.8
NW
7
1.1
WNW
12
Wave Graph
Metric surfscale
Energy kJ
2111
2027
1777
1406
1065
668
483
339
290
216
174
177
148
140
174
183
201
89
238
260
239
234
334
311
Wind (km/h)
0
N
5
ESE
0
SE
5
WSW
10
WNW
5
N
0
NNE
5
NE
5
ESE
5
SE
5
NE
5
W
5
WSW
5
SW
5
SE
5
E
0
NE
5
SE
10
SE
5
SW
5
WNW
5
NNW
5
NE
5
NNE
Wind State
glassy
glassy
glassy
glassy
cross-on
cross
glassy
glassy
glassy
glassy
cross-off
glassy
cross-on
cross-on
cross-off
glassy
glassy
glassy
cross-off
cross-on
on
glassy
cross-off
cross-off
High Tide
8:54AM2.13m
7:45PM2.09m
9:21AM2.24m
8:50PM2.14m
9:46AM2.37m
9:47PM2.20m
Low Tide
1:47AM0.82m
2:24PM1.52m
2:33AM0.83m
3:14PM1.31m
3:13AM0.85m
3:56PM1.07m
part cloud
cloud
part cloud
part cloud
cloud
clear
cloud
part cloud
part cloud
cloud
cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
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7:33
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7:33
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7:35
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<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
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6:28
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6:25
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6:24
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 mm
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Temp °C
12
11
12
16
17
15
13
13
14
14
16
20
17
16
13
12
12
11
11
14
14
12
10
10
Feels °C
11
10
11
15
15
13
12
12
12
12
14
18
15
14
11
10
11
9
9
13
13
11
9
9
  • 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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