Klamath Rivermouth Surf Break

Lat Long: 41.55° N 124.08° W

Issued: 4 pm 26 Jun 2026 (local time)

Forecast update in  hr  min

Today's Klamath Rivermouth sea temperature is
12.9° C

Normal 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 27 Jun 2026:

  • Best quality surf: Sunday 28 Jun, 11PM (local time) - 10ft (3.0m), 8s period, NW swell with cross-shore winds.
  • Most powerful swell: Tuesday 30 Jun, 5PM (local time) - 11ft (3.5m), 9s period, NW swell with 2,103 kJ wave energy.
  • Next surfable swell (1★+): Sunday 28 Jun, 2AM (local time) - 6ft (1.8m), 9s period with WNW 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 Sunday (Jun 28) at 2AM. The primary swell is predicted to be 1.8m and 9s period with a secondary swell of 0.6m and 16s. 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 3.5m 9s and forecast to arrive on Tuesday (Jun 30) at 5PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.1m 6s period and expected on Friday (Jun 26) at 11PM.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Sun 28th Jun)6ft (1.8m) 9s
Best Surf11PM (Sun 28th Jun)10ft (3.0m) 8s
Most Powerful 5PM (Tue 30th Jun)11ft (3.5m) 9s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 5mm), mostly falling on Fri afternoon. Very mild (max 18°C on Sun morning, min 10°C on Sat night). Wind will be generally light.

Days 5-7 Weather Summary

Some drizzle, heaviest during Thu morning. Very mild (max 19°C on Tue afternoon, min 10°C on Wed night). Winds decreasing (fresh winds from the NW on Mon afternoon, calm by Wed night).

Fri
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
1
Thursday
2
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
Rating
(10 max)
2
2
0
0
3
0
0
2
0
0
3
0
0
4
0
0
3
2
2
2
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.5
SW
19
1.3
WNW
9
0.8
SW
18
1.9
WNW
9
1.8
WNW
9
2.1
NW
9
3.5
NW
8
2.4
NW
8
2
NW
8
3.5
NW
8
2.5
NW
9
2.3
NW
9
3.5
NW
9
2.5
NW
9
2
NW
8
3.5
NW
8
2.3
NW
8
1.7
NW
8
1.8
NW
7
0.6
SW
15
0.5
SW
15
Wave Graph
Metric surfscale
Energy kJ
184
260
377
565
500
703
1556
783
519
1771
1088
866
2103
910
542
1502
754
361
363
147
106
Wind (km/h)
5
SW
5
NW
15
NW
20
NW
10
NNE
25
NW
25
NW
10
N
30
NW
25
NNW
10
N
25
NW
25
NNW
10
NNE
20
NW
25
NNW
5
NE
5
SSW
10
NW
5
ESE
5
S
Wind State
glassy
cross-on
cross-on
cross-on
cross-off
cross-on
cross-on
cross
cross-on
cross-on
cross
cross-on
cross-on
cross-off
cross-on
cross-on
glassy
cross-on
cross-on
cross-off
cross
High Tide
9:41PM2.60m
11:58AM2.03m
10:22PM2.63m
12:37PM2.08m
11:02PM2.66m
1:15PM2.11m
11:42PM2.68m
1:51PM2.14m
00:21AM2.67m
2:27PM2.17m
00:59AM2.62m
3:02PM2.20m
1:38AM2.53m
Low Tide
3:38PM1.56m
5:06AM0.42m
4:24PM1.58m
5:45AM0.35m
5:08PM1.58m
6:23AM0.29m
5:50PM1.56m
7:00AM0.27m
6:31PM1.55m
7:36AM0.28m
7:13PM1.53m
8:11AM0.32m
7:57PM1.52m
8:44AM0.40m
light rain
rain showers
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
light rain
heavy rain
part cloud
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:43
5:43
5:45
5:45
5:46
5:46
5:47
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:53
8:53
8:53
8:53
8:53
8:53
8:53
8:52
 mm
3
2
1
15
2
Temp °C
15
15
16
16
13
18
17
14
18
18
15
18
19
15
17
18
14
13
13
12
14
Feels °C
15
15
12
11
9
13
12
10
12
12
11
13
13
11
13
12
11
12
12
12
13
Swell 1
Height (m)
Direction
Period (s)
0.9
WNW
7
1.3
WNW
9
1.5
WNW
9
0.7
SW
18
1.8
WNW
9
0.7
SW
16
0.6
SW
16
0.5
SW
16
0.4
SW
15
0.4
SW
15
2.5
NW
9
0.4
SW
20
0.4
SW
16
2.5
NW
9
0.4
SW
18
0.4
SW
17
2.3
NW
8
0.4
SW
16
0.4
SW
16
1.1
NW
8
0.9
WNW
8
Energy kJ
73
257
377
300
500
251
159
124
75
75
1088
134
61
910
111
104
754
91
89
147
101
Swell 2
Height (m)
Direction
Period (s)
0.6
SW
15
0.7
SW
16
0.8
SW
18
0.4
SW
14
0.6
SW
16
0.1
W
15
0.1
SW
24
0.2
WNW
12
0.3
SW
21
0.2
SSW
21
0.4
SW
15
0.3
SW
15
0.3
SW
19
0.6
SW
18
0.3
SW
14
0.1
SW
21
0.6
SW
16
0.2
SSW
19
0.2
W
16
0.6
SW
15
0.5
SW
15
Energy kJ
134
260
370
46
165
4
22
15
72
45
77
35
59
197
32
18
163
37
20
137
106
Swell 3
Height (m)
Direction
Period (s)
0.5
SW
19
0.1
W
13
0.2
WSW
18
0.2
WSW
18
0.3
SW
20
0.3
SW
14
0.1
W
18
0.1
W
18
0.1
W
16
0.3
SW
13
0.2
SSW
19
0.2
SSW
18
0.4
SW
18
Energy kJ
184
3
31
31
60
31
6
6
5
28
37
31
79
Wind waves
Height (m)
Direction
Period (s)
1.9
WNW
9
2.1
NW
9
3.5
NW
8
2.4
NW
8
2
NW
8
3.5
NW
8
2.3
NW
9
3.5
NW
9
2
NW
8
3.5
NW
8
1.7
NW
8
1.8
NW
7
Energy kJ
565
703
1556
783
519
1771
866
2103
542
1502
361
363
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
2
3
4
3
3
1
1
4
4
1
4
2
1
3
2
1
2
1
Distance (km)
0
23
596
2007
0
423
541
16
541
541
16
371
734
0
438
735
0
30
28
0
23
Best forecast wave conditions in Del Norte County
Rating
(10 max)
2
2
3
3
4
3
2
1
2
2
Best forecast wave conditions in United States
Rating
(10 max)
2
3
2
2
4
4
3
4
3
4
4
4
2
4
2
2
4
3
3
3
3
Header Global
Rating
(10 max)
5
6
9
8
5
6
6
7
5
5
5
5
5
5
5
4
6
7
5
5
7
  • Map Icons:
  • Break
  • 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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