Klamath Rivermouth Surf Break
Lat Long: 41.55° N 124.08° W

Klamath Rivermouth Surf Forecast and Surf Report

Weather Forecast for Klamath Rivermouth

Issued: 4 am 04 Jun 2026 (local time)

Forecast update in  hr  min

Today's Klamath Rivermouth sea temperature is
11.1° C

1.2°C colder than average for this time of year

Klamath Rivermouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Klamath Rivermouth surf forecast from 4 Jun 2026:

  • Best quality surf: Wednesday 10 Jun, 8PM (local time) - 10ft (3.0m), 8s period, NW swell with cross-shore winds.
  • Most powerful swell: Wednesday 10 Jun, 8PM (local time) - 10ft (3.0m), 8s period, NW swell with 932 kJ wave energy.
  • Next surfable swell (1★+): Thursday 4 Jun, 11PM (local time) - 3ft (0.9m), 19s period with SW swell.

Best Forecast Surf Conditions for Klamath Rivermouth this week:

The surf forecast for Klamath Rivermouth over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Jun 04) at 11PM. The primary swell is predicted to be 0.9m and 19s period with a secondary swell of 1.8m and 7s. Another secondary swell of 1.2m and 12s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Klamath Rivermouth in the next 16 days are 3.0m 8s and forecast to arrive on Wednesday (Jun 10) at 8PM. Winds are predicted to be cross-shore at the time the swell arrives.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+)11PM (Thu 4th Jun)3ft (0.9m) 19s
Best Surf 8PM (Wed 10th Jun)10ft (3.0m) 8s
Most Powerful 8PM (Wed 10th Jun)10ft (3.0m) 8s

Table - best surf conditions forecast for Klamath Rivermouth over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Very mild (max 16°C on Thu morning, min 8°C on Sat night). Wind will be generally light.

Days 4-6 Weather Summary

Heavy rain (total 23mm), heaviest during Mon night. Very mild (max 15°C on Tue morning, min 8°C on Tue night). Wind will be generally light.

Thursday
4
Friday
5
Saturday
6
Sunday
7
Monday
8
Tuesday
9
Wednesday
10
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
0
4
2
1
3
0
0
3
2
1
2
1
2
2
1
1
3
1
0
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.1
W
10
2.3
NW
7
0.9
SW
19
1.4
WNW
12
1.4
WNW
11
1.6
WNW
11
1.7
WNW
10
2.2
NW
10
1.9
NW
9
1.4
WNW
9
0.7
SW
16
0.7
SW
15
0.7
SW
14
1.5
W
9
1.4
W
9
0.5
SSW
21
0.7
SSW
20
0.8
SSW
19
0.7
SSW
18
2.5
NW
7
2
NW
8
Wave Graph
Metric surfscale
Energy kJ
219
492
614
560
505
597
555
928
639
300
242
215
206
355
297
258
336
428
276
651
489
Wind (km/h)
15
NW
20
NW
5
N
15
NW
20
NW
10
N
20
NW
20
NW
5
ENE
10
WNW
5
WNW
10
SE
10
S
10
SSW
5
NNW
10
WNW
15
NW
5
ENE
10
NW
20
NW
10
NNE
Wind State
cross-on
cross-on
glassy
cross-on
cross-on
cross
cross-on
cross-on
cross-off
cross-on
on
cross-off
cross
cross-on
cross-on
cross-on
cross-on
off
cross-on
cross-on
cross-off
High Tide
4:20PM2.12m
2:32AM2.39m
5:02PM2.14m
3:18AM2.26m
5:41PM2.19m
4:13AM2.12m
6:17PM2.27m
5:24AM1.98m
6:51PM2.38m
6:47AM1.90m
7:27PM2.51m
8:12AM1.89m
8:06PM2.66m
Low Tide
9:15AM0.43m
9:00PM1.65m
9:54AM0.52m
9:57PM1.64m
10:32AM0.62m
11:04PM1.58m
11:11AM0.74m
00:14AM1.44m
11:53AM0.88m
1:20AM1.22m
12:40PM1.02m
2:19AM0.94m
1:31PM1.16m
3:13AM0.63m
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
part cloud
cloud
light rain
cloud
part cloud
heavy rain
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:43
5:43
5:43
5:41
5:41
5:41
5:41
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:45
8:45
8:46
8:46
8:47
8:49
8:49
 mm
5
18
Temp °C
16
16
12
15
15
12
15
14
12
14
13
11
13
14
13
15
15
13
14
15
14
Feels °C
13
12
9
12
10
9
11
9
8
11
11
10
11
13
13
12
11
10
11
10
11
Swell 1
Height (m)
Direction
Period (s)
1.1
W
10
0.9
W
9
1.6
NW
7
1.4
WNW
12
1.4
WNW
11
1.6
WNW
11
0.8
SW
17
0.8
SW
16
1.9
NW
9
1.4
WNW
9
1.3
WNW
8
1
WNW
8
1.2
WNW
8
1.5
W
9
1.4
W
9
1.3
WNW
8
1.2
WNW
8
1.2
WNW
8
0.7
SSW
18
0.7
SSW
18
2
NW
8
Energy kJ
219
133
215
560
455
597
394
366
639
300
230
122
169
355
297
252
212
212
276
273
489
Swell 2
Height (m)
Direction
Period (s)
0.6
SW
18
0.7
SW
18
1.2
W
12
0.9
SW
17
0.9
SW
17
0.9
SW
17
0.8
SW
16
0.7
SW
16
0.7
SW
16
0.7
SW
15
0.7
SW
14
0.6
SW
14
0.6
SW
14
0.5
SSW
21
0.7
SSW
20
0.8
SSW
19
0.4
SW
13
0.4
SW
13
0.7
SW
17
Energy kJ
197
336
411
505
505
505
357
245
242
215
206
132
128
258
336
428
61
43
305
Swell 3
Height (m)
Direction
Period (s)
0.6
SW
14
0.6
W
12
0.9
SW
19
0.1
W
19
0.1
W
18
0.1
W
18
0.2
SSW
24
0.4
SSW
24
0.5
SSW
22
0.6
SW
14
0.6
SW
14
0.4
SW
13
0.2
W
16
0.3
WNW
13
0.3
WNW
15
Energy kJ
132
98
614
7
6
6
55
217
263
127
118
61
20
35
42
Wind waves
Height (m)
Direction
Period (s)
1.2
NW
6
2.3
NW
7
0.9
NW
5
1.3
NW
5
1.1
NW
6
1.7
WNW
10
2.2
NW
10
1.4
WNW
8
2.5
NW
7
Energy kJ
116
492
49
100
89
555
928
275
651
Nearest Offshore or Glassy
Rating
(10 max)
4
2
4
4
3
2
2
2
3
2
2
2
2
2
2
1
3
3
4
2
3
Distance (km)
423
541
0
423
540
23
541
541
0
28
28
0
16
30
23
28
525
0
423
541
0
Best forecast wave conditions in Del Norte County
Rating
(10 max)
4
2
3
2
2
2
3
3
1
3
3
Best forecast wave conditions in United States
Rating
(10 max)
4
3
5
4
4
4
5
3
4
4
2
4
3
4
4
4
3
4
4
4
4
Header Global
Rating
(10 max)
5
5
6
9
8
9
9
6
8
8
8
6
9
9
9
8
5
5
5
5
5
  • Map Icons:
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Klamath Rivermouth Surf forecast

The above surf forecast table for Klamath Rivermouth provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Klamath Rivermouth can be found by selecting the local surf guide option on the grey menu. Our Klamath Rivermouth surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Klamath Rivermouth) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Klamath Rivermouth may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Klamath Rivermouth is 67 km (42 miles) from McKinleyville. If you plan a vacation in Del Norte County, look for hotels and other accommodation in McKinleyville. McKinleyville has rooms for a wide range of budgets as well as car hire and transport links.

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