Klamath Rivermouth Surf Break

Lat Long: 41.55° N 124.08° W

Klamath Rivermouth Surf Forecast and Surf Report

Issued: 10 am 10 Jul 2026 (local time)

Forecast update in  hr  min

Today's Klamath Rivermouth sea temperature is
13.2° C
0.1° 

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 10 Jul 2026:

  • Best quality surf: Sunday 12 Jul, 2AM (local time) - 4.5ft (1.4m), 10s period, NW swell with glassy winds.
  • Most powerful swell: Wednesday 15 Jul, 8PM (local time) - 7.5ft (2.3m), 8s period, NW swell with 675 kJ wave energy.
  • Next surfable swell (1★+): Friday 10 Jul, 11PM (local time) - 2.5ft (0.7m), 15s 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 Friday (Jul 10) at 11PM. The primary swell is predicted to be 0.7m and 15s period with a secondary swell of 0.8m and 9s. Another secondary swell of 0.8m and 5s is also forecast. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Klamath Rivermouth in the next 16 days are 2.3m 8s and forecast to arrive on Wednesday (Jul 15) at 8PM. Winds are predicted to be glassy at the time the swell arrives.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+)11PM (Fri 10th Jul)2.5ft (0.7m) 15s
Best Surf 2AM (Sun 12th Jul)4.5ft (1.4m) 10s
Most Powerful 8PM (Wed 15th Jul)7.5ft (2.3m) 8s

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


Short Range Forecast

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

Days 4-6 Weather Summary

Mostly dry. Very mild (max 19°C on Mon morning, min 13°C on Mon night). Wind will be generally light.

Friday
10
Saturday
11
Sunday
12
Monday
13
Tuesday
14
Wednesday
15
Thursday
16
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
0
2
0
0
3
1
0
2
1
0
2
1
0
2
1
2
3
2
3
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
SW
15
0.7
SW
15
0.7
SW
15
1
WNW
10
1
WNW
10
1.4
NW
10
1.4
NW
10
1.6
NW
7
1.6
NW
8
1.3
NW
8
1.3
NW
8
1.2
NW
7
1.1
NW
7
1.3
NW
7
1.5
NW
7
1.6
NW
8
1.9
NW
8
2.1
NW
8
1.9
NW
8
2.3
NW
8
1.8
NW
8
Wave Graph
Metric surfscale
Energy kJ
221
221
212
192
192
392
376
228
313
211
186
143
118
164
225
269
458
569
481
659
437
Wind (km/h)
10
WNW
10
NW
5
E
10
NW
15
NW
5
N
10
NW
15
NW
5
SE
10
W
10
NW
5
ESE
10
WNW
10
NW
5
SE
10
WNW
10
NW
0
E
5
W
10
WNW
0
SSE
Wind State
on
cross-on
glassy
cross-on
cross-on
glassy
cross-on
cross-on
glassy
on
cross-on
glassy
cross-on
cross-on
glassy
cross-on
cross-on
glassy
on
cross-on
glassy
High Tide
9:27AM1.88m
8:15PM2.82m
10:36AM2.00m
9:13PM2.94m
11:33AM2.12m
10:10PM3.03m
12:23PM2.23m
11:07PM3.08m
1:09PM2.32m
00:02AM3.06m
1:53PM2.41m
00:55AM2.96m
2:35PM2.48m
1:49AM2.78m
Low Tide
1:48PM1.47m
3:48AM0.26m
2:57PM1.52m
4:43AM0.06m
4:03PM1.50m
5:35AM-0.08m
5:05PM1.44m
6:24AM-0.15m
6:03PM1.36m
7:11AM-0.12m
7:01PM1.28m
7:55AM-0.01m
7:59PM1.19m
clear
clear
clear
cloud
part cloud
part cloud
clear
clear
part cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:50
5:52
5:52
5:52
5:54
5:54
5:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:51
8:51
8:50
8:50
8:49
8:49
8:47
 mm
Temp °C
16
17
14
16
18
14
19
19
14
19
19
14
19
19
14
18
19
15
18
18
15
Feels °C
15
16
14
15
16
11
17
17
13
18
18
13
18
17
14
17
18
15
17
17
15
  • 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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