Klamath Rivermouth surfForecast / CAL – Del Norte County / USA

information circle16 Day Weather and Surf, issued 4 am Saturday 25 Apr 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
11.9° C
(Which is slightly warmer than usual)

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 Saturday (Apr 25) at 11PM. The primary swell is predicted to be 0.8m and 16s period with a secondary swell of 1.3m and 7s. 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 3.5m 12s and forecast to arrive on Friday (May 01) at 5PM. Winds are predicted to be cross-onshore at the time the swell arrives.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+)11PM (Sat 25th Apr)2.5ft (0.8m) 16s
Best Surf 8PM (Thu 30th Apr)10ft (3.0m) 8s
Most Powerful 5PM (Fri 1st May)11ft (3.5m) 12s

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 14°C on Sat afternoon, min 7°C on Mon night). Wind will be generally light.

Days 4-6 Weather Summary

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

Saturday
25
Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
Friday
1
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
1
3
2
0
3
1
1
2
1
0
3
2
1
3
2
0
3
2
!
3
Swell
Height Map
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
1.3
NW
9
0.7
W
16
0.9
WNW
16
1
WNW
14
1.1
WNW
14
1
WNW
13
1.1
NW
10
1.6
NW
12
1.2
NW
9
0.9
WNW
12
0.9
WNW
12
0.6
WNW
19
1.1
WNW
16
1.2
WNW
16
1.4
WNW
14
1.3
WNW
13
3
NW
8
2.1
NW
8
1.7
WNW
12
3.5
NW
12
2.5
NW
11
Wave Graph
Metric surfscale
Energy kJ
240
248
411
437
492
356
254
694
220
199
196
289
597
654
742
547
839
502
826
2938
1484
Wind (km/h)
10
WNW
10
NW
5
SE
10
WNW
15
NW
5
W
10
WNW
15
NW
5
ESE
10
WNW
15
NW
5
ESE
10
WNW
15
NW
5
SE
10
NW
20
NNW
5
NNE
15
NW
20
NW
5
N
on
cross-on
cross-off
on
cross-on
glassy
on
cross-on
cross-off
cross-on
cross-on
cross-off
cross-on
cross-on
cross-off
cross-on
cross-on
glassy
cross-on
cross-on
cross
High Tide
8:48PM2.36m
8:21AM2.22m
9:28PM2.46m
9:29AM2.21m
10:01PM2.55m
10:28AM2.22m
10:32PM2.62m
11:20AM2.24m
11:00PM2.66m
12:07PM2.25m
11:28PM2.69m
12:51PM2.25m
11:57PM2.69m
Low Tide
1:56PM0.61m
2:42AM1.27m
2:49PM0.72m
3:40AM1.04m
3:35PM0.84m
4:27AM0.82m
4:16PM0.96m
5:08AM0.63m
4:53PM1.08m
5:45AM0.48m
5:28PM1.20m
6:20AM0.37m
6:02PM1.31m
clear
part cloud
part cloud
clear
part cloud
part cloud
part cloud
clear
clear
part cloud
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:20
6:20
6:18
6:16
6:16
6:13
6:13
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:07
8:07
8:08
8:09
8:10
8:12
8:13
Temp °C
13
14
10
13
13
11
13
13
9
12
13
10
14
14
10
14
16
12
15
16
12
11
12
9
10
10
9
10
10
6
10
10
8
12
11
8
12
13
9
13
12
10
Swell 1
Height (m)
Direction
Period (s)
1.3
NW
9
1.1
NW
8
1.3
NW
8
1.1
NW
8
1.1
WNW
14
1.2
NW
9
1.1
NW
10
0.3
SW
15
1.2
NW
9
1
NW
8
0.9
WNW
12
1.4
NW
7
1.1
WNW
16
1.2
WNW
16
1.3
NW
7
1.3
WNW
13
1
WNW
13
2.1
NW
8
1.8
NW
8
0.2
WSW
13
2.5
NW
11
Energy kJ
240
169
179
138
492
225
231
34
220
132
196
215
597
654
184
547
372
502
406
17
1484
Swell 2
Height (m)
Direction
Period (s)
0.6
W
14
0.7
W
16
0.9
WNW
16
1
WNW
14
0.3
SW
13
1
WNW
13
0.9
WNW
12
0.1
SW
12
0.9
WNW
11
0.9
WNW
12
0.3
SW
13
0.7
WNW
11
1
NW
7
0.6
WNW
10
1.4
WNW
14
0.4
SW
14
0.4
SW
14
1
WNW
13
1.7
WNW
12
0.2
WSW
13
0.2
WSW
13
Energy kJ
150
248
411
437
27
356
254
6
180
199
28
123
97
80
742
54
54
361
826
17
17
Swell 3
Height (m)
Direction
Period (s)
0.2
WSW
13
0.3
SW
13
0.3
SW
13
0.2
WSW
13
0.4
SW
13
0.3
SW
14
0.3
SW
15
0.1
SW
12
0.3
NNW
6
0.3
SW
13
0.2
WNW
21
0.6
WNW
19
0.7
WNW
10
0.3
SW
12
0.3
WNW
10
0.1
W
19
0.2
WSW
14
0.3
SW
13
0.1
SW
18
Energy kJ
17
28
27
17
44
33
34
6
7
27
45
289
115
23
18
7
19
28
12
Wind waves
Height (m)
Direction
Period (s)
1.1
NW
8
1.6
NW
12
1.3
NW
6
1.4
NW
7
1.6
NW
7
3
NW
8
3.5
NW
12
Energy kJ
169
694
120
189
262
839
2938
Nearest Offshore or Glassy
Rating
(10 max)
1
1
3
2
2
3
3
1
2
1
1
3
2
2
3
4
2
3
4
2
4
Distance (km)
28
541
0
28
754
0
90
542
0
28
734
0
28
541
0
371
894
0
403
541
16
Best forecast wave conditions in Del Norte County
Rating
(10 max)
1
3
2
3
2
1
3
2
3
3
2
Best forecast wave conditions in United States
Rating
(10 max)
3
2
3
3
3
3
3
1
3
3
1
3
4
2
4
4
3
4
4
3
4
Header Global
Rating
(10 max)
4
5
7
7
8
6
6
5
5
5
6
5
7
5
5
4
6
5
6
4
4
  • 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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