Klamath Rivermouth surfForecast / CAL – Del Norte County / USA

information circle48hr Weather and Surf, issued 10 pm Monday 11 May 2026 PDT
Forecast update in hr  min  s Forecast update imminent
Klamath Rivermouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Klamath Rivermouth sea temperature is
12.6° C
(Which is 1.0°C warmer than normal for this time of year)

How big are the waves at Klamath Rivermouth today?

The current surf forecast for Klamath Rivermouth at 5AM is: 1.3m 11s primary swell from a West direction and 0.7m 6s secondary swell from a Northwest direction (forecast issued at 10:00pm May 11). The wind direction is predicted to be glassy and the swell rating is 3.

Time (PDT) & DateWave HeightWave Period
Morning (12 May)4ft (1.2m)11s
Afternoon (12 May)3.5ft (1.1m)11s
Evening (12 May)3.5ft (1.0m)12s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 2mm), mostly falling on Tue night. Very mild (max 16°C on Tue morning, min 9°C on Wed night). Wind will be generally light.

Mon
11
Tuesday
12
Wednesday
13
Thursday
14
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
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
Rating
(10 max)
3
3
3
3
3
1
1
2
2
3
2
3
3
1
1
1
2
3
3
3
3
1
0
0
Swell
Height Map
Height MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.4
W
11
1.3
W
11
1.3
W
11
1.3
W
11
1.2
W
11
1.2
W
11
1.1
W
11
1
W
11
1
W
12
1.1
W
12
1.2
W
11
1.5
W
11
1.3
W
11
1.6
W
12
1.7
W
12
1.7
W
12
1.7
W
12
1.7
W
11
1.7
W
11
1.6
W
11
1.6
W
10
1.6
WNW
10
1.8
WNW
10
1.7
NW
6
Wave Graph
Metric surfscale
Energy kJ
457
396
410
410
345
338
286
229
274
341
364
543
396
759
814
800
760
683
670
595
530
523
650
230
Wind (km/h)
5
WNW
0
SE
5
SE
5
SSE
5
SW
10
WSW
10
WNW
5
W
5
SW
5
SSE
5
SSW
5
S
0
S
10
W
15
WNW
10
NW
10
NNW
5
NNE
5
NE
5
NE
5
N
15
NW
20
NW
20
NW
glassy
glassy
glassy
glassy
glassy
on
on
glassy
glassy
cross-off
cross-on
glassy
glassy
on
on
cross-on
cross-on
cross-off
glassy
cross-off
glassy
cross-on
cross-on
cross-on
High Tide
8:34PM2.37m
8:32AM2.04m
9:04PM2.53m
9:41AM2.10m
9:37PM2.69m
10:42AM2.18m
Low Tide
2:53AM1.16m
2:31PM0.95m
3:41AM0.85m
3:16PM1.04m
4:26AM0.53m
4:02PM1.14m
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
light rain
rain showers
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>
6:00
5:58
5:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:23
8:24
8:25
8:27
1
1
Temp °C
13
11
11
11
13
16
16
16
13
12
11
11
12
15
15
14
12
9
9
9
12
15
16
15
13
11
10
10
12
15
14
15
12
10
10
10
12
12
12
11
10
7
8
7
10
12
12
11
Swell 1
Height (m)
Direction
Period (s)
1.4
W
11
1.3
W
11
1.3
W
11
1.3
W
11
1.2
W
11
1.2
W
11
1.1
W
11
1
W
11
1
W
12
1.1
W
12
1.2
W
11
1.5
W
11
1.3
W
11
1.6
W
12
1.7
W
12
1.7
W
12
1.7
W
12
1.7
W
11
1.7
W
11
1.6
W
11
1.6
W
10
1.6
WNW
10
0.4
SW
18
0.9
W
10
Energy kJ
457
396
410
410
345
338
286
229
274
341
364
543
396
759
814
800
760
683
670
595
530
523
78
154
Swell 2
Height (m)
Direction
Period (s)
0.9
NW
6
0.9
NW
6
0.8
NW
6
0.7
NW
6
0.6
NW
5
0.6
SW
15
0.6
SW
14
0.5
SW
14
0.6
SW
14
0.6
SW
14
0.5
W
14
0.5
SW
14
0.9
W
13
0.4
SW
14
0.4
SW
14
0.4
SW
14
0.4
SW
14
0.4
SW
13
0.4
SW
13
0.4
SW
13
0.4
SW
13
0.4
SW
13
0.3
SW
13
0.4
SW
17
Energy kJ
68
66
54
35
18
143
132
103
132
132
99
103
281
73
72
70
65
63
62
62
62
45
27
74
Swell 3
Height (m)
Direction
Period (s)
0.6
SW
16
0.6
SW
16
0.6
SW
16
0.6
SW
16
0.6
SW
16
0.4
NW
5
0.4
NW
6
0.4
NW
5
0.3
W
14
0.3
W
15
0.6
SW
14
0.1
SW
20
0.5
SW
14
0.1
SW
20
0.1
SW
19
0.2
SSW
19
0.3
SW
18
0.3
SW
18
0.3
SW
18
0.3
SW
18
0.3
SW
18
0.4
SW
18
0.1
W
20
0.3
SW
13
Energy kJ
159
161
159
159
155
10
8
7
35
38
132
15
103
15
15
36
52
50
49
49
49
79
7
27
Wind waves
Height (m)
Direction
Period (s)
1.8
WNW
10
1.7
NW
6
Energy kJ
650
230
Nearest Offshore or Glassy
Rating
(10 max)
3
3
3
3
3
1
1
2
2
3
3
3
3
1
2
1
2
3
3
3
3
4
2
1
Distance (km)
0
0
0
0
0
403
28
0
0
0
30
0
0
541
28
541
23
0
0
0
0
371
438
541
Best forecast wave conditions in Del Norte County
Rating
(10 max)
3
3
3
3
3
1
2
2
3
3
3
3
2
2
3
3
3
3
Best forecast wave conditions in United States
Rating
(10 max)
3
3
3
3
3
3
2
2
3
3
3
3
3
2
2
2
3
4
4
4
4
4
3
2
Header Global
Rating
(10 max)
9
5
9
8
8
9
9
9
9
9
7
6
7
6
8
9
9
5
5
5
5
5
5
5
  • 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

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