Klamath Rivermouth surfForecast / CAL – Del Norte County / USA

information circle48hr Weather and Surf, issued 10 pm Tuesday 19 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
9.7° C
(Which is 2.2°C colder than average for this time of year)

How big are the waves at Klamath Rivermouth today?

The current surf forecast for Klamath Rivermouth at 5AM is: 1.5m 13s primary swell from a West-northwest direction and 1.6m 7s secondary swell from a Northwest direction (forecast issued at 10:00pm May 19). The wind direction is predicted to be glassy and the swell rating is 4.

Time (PDT) & DateWave HeightWave Period
Morning (20 May)4.5ft (1.4m)12s
Afternoon (20 May)11ft (3.5m)8s
Evening (20 May)10ft (3.0m)9s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Very mild (max 19°C on Thu morning, min 12°C on Tue night). Wind will be generally light.

Tue
19
Wednesday
20
Thursday
21
Friday
22
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
4
4
4
2
0
0
0
!
4
3
3
3
1
1
!
!
4
3
3
2
1
!
!
Swell
Height Map
Height MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.5
WNW
13
1.5
WNW
13
1.5
WNW
13
1.5
WNW
13
1.4
WNW
12
1.3
WNW
12
3.5
NW
8
3.5
NW
8
3
NW
9
2.5
NW
9
2.3
NW
9
1.8
NW
9
1.8
NW
9
1.8
NW
9
2.5
NW
9
3
NW
9
3
NW
9
2.5
NW
9
2.3
NW
9
2.3
NW
9
2.3
NW
9
2.3
NW
9
3
NW
9
3
NW
9
Wave Graph
Metric surfscale
Energy kJ
703
703
692
710
566
452
1364
1732
1160
951
790
513
525
525
995
1372
1372
1143
911
911
835
866
1306
1306
Wind (km/h)
10
NNW
5
NE
5
NNE
5
NE
5
N
20
NW
25
NW
25
NNW
10
N
5
NE
0
ENE
5
NE
5
N
15
NW
15
NW
15
NW
10
NNW
0
NNE
5
NE
5
NNE
5
NNW
15
NW
20
NW
15
NW
cross
glassy
glassy
glassy
cross
cross-on
cross-on
cross-on
cross
glassy
glassy
glassy
glassy
cross-on
cross-on
cross-on
cross
glassy
glassy
cross-off
cross
cross-on
cross-on
cross-on
High Tide
2:07AM2.90m
4:24PM2.28m
3:05AM2.71m
5:23PM2.30m
4:11AM2.49m
Low Tide
9:26AM0.02m
9:18PM1.52m
10:22AM0.19m
10:34PM1.51m
11:19AM0.39m
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
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>
5:52
5:52
5:50
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:31
8:32
8:34
8:35
Temp °C
14
13
13
12
15
18
18
16
14
12
12
12
16
19
19
19
15
13
13
13
16
18
19
17
12
12
12
11
13
14
13
12
12
11
11
11
15
17
16
16
14
13
12
11
15
15
16
15
Swell 1
Height (m)
Direction
Period (s)
1.5
WNW
13
2.1
NW
8
1.7
NW
8
1.6
NW
7
1.6
NW
7
1.3
WNW
12
0.4
SW
21
0.4
SW
16
1.3
WNW
11
2.5
NW
9
2.3
NW
9
1.8
NW
9
1.8
NW
9
1.8
NW
9
0.5
SW
19
3
NW
9
3
NW
9
2.5
NW
9
2.3
NW
9
2.3
NW
9
2.3
NW
9
0.5
SW
18
0.5
SW
18
0.5
SW
18
Energy kJ
703
523
318
260
260
452
162
64
366
951
790
513
525
525
184
1372
1372
1143
911
911
835
150
152
152
Swell 2
Height (m)
Direction
Period (s)
0.4
SW
16
1.5
WNW
13
1.5
WNW
13
1.5
WNW
13
1.4
WNW
12
0.4
SW
21
0.4
SW
16
0.3
SW
21
0.4
SW
16
0.4
SW
16
0.4
SW
15
0.9
WNW
11
0.9
WNW
11
0.9
WNW
11
0.4
SW
15
0.4
SW
19
0.4
SW
15
0.4
SW
15
0.4
SW
15
0.4
SW
15
0.4
SW
17
0.6
SW
18
0.3
SW
14
0.3
SW
14
Energy kJ
69
703
692
710
566
162
64
71
64
86
82
206
206
206
56
133
79
82
83
83
104
192
32
32
Swell 3
Height (m)
Direction
Period (s)
0.1
SW
24
0.4
SW
16
0.4
SW
16
0.4
SW
16
0.3
SW
16
0.4
SW
16
0.4
SW
16
0.3
SW
21
0.1
SW
21
0.1
SW
21
0.4
SW
15
0.4
SW
15
0.4
SW
15
0.5
SW
19
0.5
SW
19
0.4
SW
15
0.3
SW
19
0.1
SW
20
0.3
SW
14
Energy kJ
22
95
94
68
41
64
64
72
18
18
79
78
56
184
184
57
59
15
32
Wind waves
Height (m)
Direction
Period (s)
2.4
NW
8
1.8
NW
8
3.5
NW
8
3.5
NW
8
3
NW
9
2.5
NW
9
2.3
NW
9
3
NW
9
3
NW
9
Energy kJ
690
403
1364
1732
1160
995
866
1306
1306
Nearest Offshore or Glassy
Rating
(10 max)
4
4
4
4
3
3
1
2
4
4
3
3
3
3
1
3
4
4
3
3
3
3
3
3
Distance (km)
171
0
0
0
16
354
746
541
371
0
0
0
0
332
735
169
171
0
0
0
16
307
171
169
Best forecast wave conditions in Del Norte County
Rating
(10 max)
4
4
4
2
4
3
3
3
4
3
3
2
Best forecast wave conditions in United States
Rating
(10 max)
4
4
4
5
5
4
4
2
4
4
4
4
4
4
3
3
4
4
4
4
3
3
3
3
Header Global
Rating
(10 max)
5
5
4
4
4
5
5
5
4
5
5
5
5
4
4
4
5
7
7
8
6
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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