Klamath Rivermouth Surf Break

Lat Long: 41.55° N 124.08° W

Klamath Rivermouth 48 hour detailed Surf Forecast

Issued: 4 am 01 Sep 2026 (local time)

Forecast update in  hr  min

Today's Klamath Rivermouth sea temperature is
15.2°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 (01 Sep):

  • Morning surf: Morning surf (01 Sep, local time) - 3ft (0.9m), 10s period with NW swell.
  • Afternoon surf: Afternoon surf (01 Sep, local time) - 3ft (0.9m), 10s period with WNW swell.
  • Evening surf: Evening surf (01 Sep, local time) - 3ft (0.9m), 9s period with NW swell.

The current surf forecast for Klamath Rivermouth at 7AM is: 0.9m 10s primary swell from a Northwest direction and 0.6m 14s secondary swell from a Southwest direction (forecast issued at 04:00am September 01). The wind direction is predicted to be cross-offshore and the swell rating is 2.

Time (PDT) & DateWave HeightWave Period
Morning (01 Sep)3ft (0.9m)10s
Afternoon (01 Sep)3ft (0.9m)10s
Evening (01 Sep)3ft (0.9m)9s

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


Short Range Forecast

Heavy rain (total 44mm), heaviest during Wed afternoon. Very mild (max 18°C on Tue morning, min 13°C on Thu night). Wind will be generally light.

Tuesday
1
Wednesday
2
Thursday
3
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)
2
2
2
0
0
1
2
2
2
2
2
1
1
1
1
0
2
2
2
2
2
2
4
4
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)
0.6
SW
14
0.9
NW
10
0.9
NW
10
0.9
NW
10
1
WNW
10
0.9
NW
10
0.9
NW
9
0.9
NW
9
0.8
WNW
9
0.8
WNW
9
0.8
WNW
9
0.5
SW
18
0.5
SW
18
1.6
SSW
6
1.4
SSW
7
1.2
WNW
8
1.4
WNW
9
1.6
WNW
9
1.7
WNW
10
1.9
WNW
11
2.3
WNW
12
2.5
WNW
12
2.5
WNW
12
2.5
WNW
11
Wave Graph
Metric surfscale
Energy kJ
127
151
145
160
200
137
128
123
106
108
109
152
154
197
171
185
288
433
527
838
1496
1909
1979
1663
Wind (km/h)
5
SE
5
SE
5
SE
10
SSW
10
SSW
10
S
10
SSE
10
SE
10
SSE
10
SSE
15
SSE
15
SSE
20
SSE
20
SSE
15
SSE
15
S
15
S
15
S
15
S
15
S
20
SSW
15
SSW
15
SSE
10
SE
Wind State
glassy
cross-off
cross-off
cross-on
cross-on
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-off
cross
cross
cross
cross
cross
cross-off
cross-off
High Tide
2:53AM2.19m
2:50PM2.66m
3:53AM2.04m
3:29PM2.66m
5:06AM1.91m
4:18PM2.63m
Low Tide
8:31AM1.03m
9:39PM0.64m
9:07AM1.22m
10:39PM0.62m
9:51AM1.39m
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
part cloud
cloud
cloud
cloud
light rain
light rain
heavy rain
mod rain
light rain
light rain
light rain
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:41
6:43
6:43
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:50
7:47
7:45
 mm
1
5
14
8
3
3
2
2
2
1
1
1
1
Temp °C
14
15
16
18
18
17
16
14
15
15
16
15
15
14
15
14
15
15
15
16
17
16
14
14
Feels °C
14
15
16
16
16
15
14
12
13
13
13
13
12
11
13
12
13
14
13
14
14
13
12
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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