Klamath Rivermouth surfForecast / CAL – Del Norte County / USA

information circle16 Day Weather and Surf, issued 4 am Friday 29 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
11.4° C
(Which is slightly cooler than normal)

Klamath Rivermouth surf forecast from 29 May 2026:

  • Best quality surf: Saturday 30 May, 8PM (local time) - 10ft (3.0m), 8s period, NW swell with cross-onshore winds.
  • Most powerful swell: Friday 29 May, 2PM (local time) - 7.5ft (2.3m), 14s period, WNW swell with 2,089 kJ wave energy.
  • Next surfable swell (1★+): Friday 29 May, 11PM (local time) - 7.5ft (2.3m), 8s period with NW 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 (May 29) at 11PM. The primary swell is predicted to be 2.3m and 8s period with a secondary swell of 1.4m and 13s. 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 14s and forecast to arrive on Friday (May 29) at 2PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 6s period and expected on Thursday (Jun 04) at 2AM.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+)11PM (Fri 29th May)7.5ft (2.3m) 8s
Best Surf 8PM (Sat 30th May)10ft (3.0m) 8s
Most Powerful 2PM (Fri 29th May)7.5ft (2.3m) 14s

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 17°C on Sun afternoon, min 9°C on Fri night). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Very mild (max 18°C on Mon morning, min 10°C on Mon night). Wind will be generally light.

Friday
29
Saturday
30
Sunday
31
Monday
1
Tuesday
2
Wednesday
3
Thursday
4
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
3
1
4
1
0
3
0
!
4
1
1
4
2
1
2
1
1
3
0
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)
2.2
WNW
14
1.5
WNW
14
1.4
WNW
13
1.2
WNW
12
3
NW
8
2.2
NW
8
2
NW
8
3.5
NW
9
2.1
NW
9
1.6
NW
9
1.8
NW
8
0.8
SW
18
0.8
SW
17
0.7
SW
16
0.8
SW
16
0.7
SW
16
0.7
SW
16
1.5
W
10
0.6
SW
18
0.8
SW
18
1
SW
19
Wave Graph
Metric surfscale
Energy kJ
1887
758
613
380
952
650
553
1573
702
430
479
370
350
260
306
245
236
434
201
409
708
Wind (km/h)
5
NW
20
NW
5
SE
15
NW
20
NW
5
ENE
20
NW
20
NNW
5
E
10
NW
10
NW
5
ESE
10
WNW
15
WNW
5
E
10
NW
15
NW
5
ENE
10
NW
15
NW
10
ESE
cross-on
cross-on
glassy
cross-on
cross-on
glassy
cross-on
cross-on
glassy
cross-on
cross-on
off
on
cross-on
glassy
cross-on
cross-on
glassy
cross-on
cross-on
off
High Tide
12:04PM2.11m
10:49PM2.67m
12:46PM2.14m
11:24PM2.67m
1:28PM2.15m
00:00AM2.67m
2:09PM2.14m
00:37AM2.64m
2:52PM2.13m
1:14AM2.59m
3:36PM2.11m
1:52AM2.50m
4:20PM2.12m
2:32AM2.39m
Low Tide
4:53PM1.46m
6:01AM0.32m
5:32PM1.50m
6:38AM0.28m
6:10PM1.54m
7:16AM0.28m
6:48PM1.57m
7:56AM0.31m
7:28PM1.60m
8:35AM0.36m
8:11PM1.63m
9:15AM0.43m
9:00PM1.65m
cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
part cloud
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:46
5:45
5:45
5:43
5:43
5:43
5:43
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:40
8:42
8:43
8:43
8:44
8:45
8:45
Temp °C
12
14
12
13
15
12
16
17
15
18
18
12
16
15
12
15
17
13
16
17
12
11
11
9
10
10
9
12
12
13
15
16
11
15
13
11
12
13
11
14
15
11
Swell 1
Height (m)
Direction
Period (s)
2.2
WNW
14
1.5
WNW
14
2
NW
8
1.2
WNW
12
0.3
SW
14
2.2
NW
8
0.4
SW
21
0.5
SW
21
2.1
NW
9
1.6
NW
9
1.8
NW
8
1.6
NW
8
1.2
NW
8
1.1
NW
8
0.8
SW
16
0.8
W
12
1
W
11
1.5
W
10
1.1
W
9
1.1
W
9
1.1
W
10
Energy kJ
1887
758
517
380
29
650
117
212
702
430
479
284
173
143
306
174
229
434
201
196
249
Swell 2
Height (m)
Direction
Period (s)
0.4
SW
14
0.4
SW
14
1.4
WNW
13
0.3
SW
14
0.1
SW
19
0.3
SW
14
0.3
SW
18
0.2
SSW
13
0.6
SW
20
0.6
SW
19
0.6
SW
18
0.8
SW
18
0.8
SW
17
0.7
SW
16
0.7
WNW
8
0.7
SW
16
0.7
SW
16
0.8
NNW
6
0.7
NW
6
1
NW
6
1
SW
19
Energy kJ
47
48
613
30
15
30
49
16
306
290
258
370
350
260
72
245
236
39
31
69
708
Swell 3
Height (m)
Direction
Period (s)
0.2
SSW
16
0.4
SW
14
0.1
S
19
0.1
SW
24
0.3
SW
22
0.3
SW
13
0.1
SW
16
0.3
SW
16
0.3
SW
15
0.8
SW
18
0.7
SW
16
0.4
NNW
6
0.4
NW
6
0.4
SW
19
0.6
SW
15
0.6
SW
18
0.8
SW
18
0.7
NW
5
Energy kJ
25
54
7
22
79
27
10
42
34
370
257
15
9
133
134
197
409
29
Wind waves
Height (m)
Direction
Period (s)
2.3
NW
8
1.6
NW
8
3
NW
8
2
NW
8
3.5
NW
9
0.4
NW
6
Energy kJ
617
281
952
553
1573
11
Nearest Offshore or Glassy
Rating
(10 max)
3
1
4
2
2
3
4
4
4
3
4
4
2
2
2
2
2
3
4
2
3
Distance (km)
28
541
0
438
540
0
371
541
0
403
192
0
28
541
0
23
541
0
371
541
0
Best forecast wave conditions in Del Norte County
Rating
(10 max)
3
4
3
4
4
2
2
2
3
3
Best forecast wave conditions in United States
Rating
(10 max)
3
2
4
3
3
4
4
4
4
4
4
4
4
2
4
3
4
3
4
3
4
Header Global
Rating
(10 max)
5
5
5
7
7
6
5
5
4
4
5
8
4
6
5
5
5
5
5
7
6
  • 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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