Klamath Rivermouth Surf Break

Lat Long: 41.55° N 124.08° W

Klamath Rivermouth Surf Forecast and Surf Report

Issued: 10 pm 22 Jul 2026 (local time)

Forecast update in  hr  min

Today's Klamath Rivermouth sea temperature is
13.0° 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 23 Jul 2026:

  • Best quality surf: Friday 24 Jul, 2AM (local time) - 1.5ft (0.5m), 26s period, SW swell with glassy winds.
  • Most powerful swell: Saturday 25 Jul, 11AM (local time) - 3ft (0.9m), 21s period, SW swell with 763 kJ wave energy.
  • Next surfable swell (1★+): Thursday 23 Jul, 8AM (local time) - 2ft (0.6m), 14s 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 (Jul 23) at 8AM. The primary swell is predicted to be 0.6m and 14s period with a secondary swell of 0.8m and 10s. Another secondary swell of 0.7m and 8s 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 0.9m 21s and forecast to arrive on Saturday (Jul 25) at 11AM. Winds are predicted to be onshore at the time the swell arrives.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Thu 23rd Jul)2ft (0.6m) 14s
Best Surf 2AM (Fri 24th Jul)1.5ft (0.5m) 26s
Most Powerful11AM (Sat 25th Jul)3ft (0.9m) 21s

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


Short Range Forecast

Mostly dry. Warm (max 20°C on Sat afternoon, min 13°C on Thu night). Wind will be generally light.

Days 5-7 Weather Summary

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

Thursday
23
Friday
24
Saturday
25
Sunday
26
Monday
27
Tuesday
28
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
1
1
3
1
2
3
2
2
3
1
1
3
2
1
3
1
1
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
SSW
8
0.6
SW
14
0.6
SW
14
0.5
SW
26
0.8
NW
9
0.7
SW
24
0.6
SW
24
0.9
SW
21
0.8
SW
21
0.8
SW
20
1
SW
19
0.8
SW
19
0.8
SW
18
1
SW
18
1
SW
18
1
SW
19
0.8
SW
17
1
SW
17
1
SW
17
Wave Graph
Metric surfscale
Energy kJ
128
127
128
329
119
541
347
763
647
553
723
531
447
602
616
701
398
582
582
Wind (km/h)
5
SE
10
W
5
W
5
E
10
W
5
W
5
ESE
10
WSW
10
WNW
5
NE
10
WNW
10
NW
5
NE
10
WNW
10
NW
5
NE
10
WNW
15
NW
5
SE
Wind State
cross-off
on
on
glassy
on
on
glassy
on
on
glassy
cross-on
cross-on
glassy
cross-on
cross-on
glassy
cross-on
cross-on
glassy
High Tide
8:59AM1.79m
7:34PM2.47m
10:12AM1.86m
8:25PM2.48m
11:03AM1.93m
9:15PM2.53m
11:43AM2.00m
10:02PM2.59m
12:17PM2.07m
10:45PM2.64m
12:48PM2.13m
11:26PM2.68m
Low Tide
2:17AM0.77m
1:05PM1.55m
3:13AM0.68m
2:10PM1.62m
4:03AM0.58m
3:12PM1.64m
4:46AM0.48m
4:04PM1.61m
5:26AM0.39m
4:51PM1.55m
6:02AM0.33m
5:33PM1.49m
clear
clear
clear
clear
clear
clear
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>
6:01
6:01
6:03
6:03
6:05
6:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:43
8:43
8:42
8:40
8:39
8:38
8:37
 mm
Temp °C
16
18
18
15
19
19
16
18
20
16
18
18
14
19
19
16
19
19
15
Feels °C
15
18
18
16
18
18
17
17
19
16
17
17
14
18
17
15
18
17
15
  • 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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