Klamath Rivermouth surfForecast / CAL – Del Norte County / USA

information circle16 Day Weather and Surf, issued 4 pm Wednesday 13 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
12.4° 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 Thursday (May 14) at 2AM. The primary swell is predicted to be 1.6m and 11s period with a secondary swell of 0.4m 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 3.5m 13s and forecast to arrive on Saturday (May 16) at 8PM. 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+) 2AM (Thu 14th May)5ft (1.6m) 11s
Best Surf 2AM (Sun 17th May)10ft (3.0m) 12s
Most Powerful 8PM (Sat 16th May)11ft (3.5m) 13s

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 16°C on Wed afternoon, min 8°C on Fri night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Very mild (max 18°C on Tue morning, min 7°C on Sat night). Winds decreasing (fresh winds from the NW on Sun afternoon, light winds from the NNE by Tue morning).

Wed
13
Thursday
14
Friday
15
Saturday
16
Sunday
17
Monday
18
Tuesday
19
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
Rating
(10 max)
1
3
1
0
3
0
0
3
0
0
!
0
0
2
0
0
3
1
0
4
2
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)
1.7
W
12
1.6
W
11
1.5
W
10
2
WNW
10
1.4
WNW
9
0.6
WNW
16
2.3
NW
7
1.3
WNW
14
2
WNW
13
3
NW
13
3
NW
12
2.2
WNW
12
3
NW
7
1.2
WNW
11
1.7
WNW
10
2.5
NW
7
0.9
WNW
16
2
WNW
14
3.5
NW
8
2.5
NW
9
2.3
NW
12
Wave Graph
Metric surfscale
Energy kJ
800
595
450
733
340
203
480
633
1405
3436
2602
1355
1101
327
599
716
424
1624
1631
996
1423
Wind (km/h)
10
NW
5
ENE
15
NW
20
NW
5
NE
20
NW
20
NW
10
NNE
25
NW
30
NW
15
N
20
NW
30
NNW
10
N
30
NW
30
NNW
10
NNE
20
NW
30
NNW
10
NNE
15
NW
cross-on
glassy
cross-on
cross-on
cross-off
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
cross-off
cross-on
High Tide
9:37PM2.69m
10:42AM2.18m
10:14PM2.85m
11:40AM2.26m
10:54PM2.98m
12:36PM2.31m
11:37PM3.06m
1:31PM2.32m
00:23AM3.08m
2:27PM2.31m
1:13AM3.02m
3:25PM2.29m
2:07AM2.90m
Low Tide
3:16PM1.04m
4:26AM0.53m
4:02PM1.14m
5:12AM0.23m
4:48PM1.23m
5:59AM0.01m
5:35PM1.31m
6:48AM-0.12m
6:24PM1.38m
7:39AM-0.16m
7:16PM1.44m
8:32AM-0.11m
8:13PM1.49m
9:26AM0.02m
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:58
5:56
5:56
5:54
5:54
5:52
5:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:25
8:27
8:28
8:29
8:30
8:30
8:31
8:32
Temp °C
16
12
15
16
12
15
14
10
14
13
11
15
16
11
17
17
15
18
19
16
20
13
10
12
12
9
11
9
6
8
7
6
9
9
6
11
11
10
14
14
13
17
Swell 1
Height (m)
Direction
Period (s)
1.7
W
12
1.6
W
11
1.5
W
10
0.4
SW
17
1.4
WNW
9
0.6
WNW
16
0.9
WNW
15
1.3
WNW
14
0.4
SW
15
0.4
SW
15
2.5
WNW
12
0.3
SW
14
0.3
SW
14
1.8
NW
7
0.2
WNW
18
0.4
WNW
18
1.7
NW
7
0.4
SW
16
0.4
SW
16
2.5
NW
9
2.3
NW
12
Energy kJ
800
595
450
74
340
203
392
633
79
78
2094
33
32
327
32
103
263
67
68
996
1423
Swell 2
Height (m)
Direction
Period (s)
0.4
SW
14
0.4
SW
13
0.4
SW
13
0.3
SW
13
0.5
SW
16
0.5
W
9
0.5
SW
16
0.5
SW
15
0.1
SW
20
0.4
SW
14
0.1
SW
18
0.1
SW
18
1.2
WNW
11
0.2
WSW
18
0.3
SW
16
0.9
WNW
12
0.2
WSW
24
0.2
WSW
24
1.1
WNW
13
0.4
SW
21
Energy kJ
70
62
45
27
127
43
119
107
15
54
13
12
308
31
42
233
54
54
424
162
Swell 3
Height (m)
Direction
Period (s)
0.2
SSW
19
0.3
SW
18
0.4
SW
18
0.1
W
20
0.3
WNW
18
0.5
SW
16
0.3
SW
14
0.2
SSW
13
0.1
SW
13
0.9
WNW
16
0.2
WSW
24
0.2
WSW
24
0.4
SW
16
0.3
SW
16
Energy kJ
36
49
79
7
61
124
29
17
7
424
54
54
69
40
Wind waves
Height (m)
Direction
Period (s)
2
WNW
10
0.7
NNW
6
1.4
NW
6
2.3
NW
7
1.5
NW
7
2
WNW
13
3
NW
13
3
NW
12
2.2
WNW
12
3
NW
7
1.7
WNW
10
2.5
NW
7
2
WNW
14
3.5
NW
8
2.3
NW
9
Energy kJ
733
31
167
480
192
1405
3436
2602
1355
1101
599
716
1624
1631
887
Nearest Offshore or Glassy
Rating
(10 max)
1
3
4
1
3
3
3
3
1
2
4
5
4
3
2
3
3
3
2
4
4
Distance (km)
541
0
371
541
0
541
540
0
541
1506
90
541
540
16
355
540
0
354
342
0
307
Best forecast wave conditions in Del Norte County
Rating
(10 max)
3
3
3
2
3
4
Best forecast wave conditions in United States
Rating
(10 max)
2
4
4
3
4
4
3
4
4
2
5
5
4
7
3
4
4
4
3
4
4
Header Global
Rating
(10 max)
5
4
4
5
5
5
5
4
5
5
5
5
4
7
4
4
4
4
5
4
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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