Klamath Rivermouth surfForecast / CAL – Del Norte County / USA

information circle48hr Weather and Surf, issued 10 pm Monday 20 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
12.0° C
(Which is slightly warmer than usual)

How big are the waves at Klamath Rivermouth today?

The current surf forecast for Klamath Rivermouth at 3AM is: 1.5m 11s primary swell from a West direction and 0.5m 6s secondary swell from a South-southwest direction (forecast issued at 10:00pm April 20). The wind direction is predicted to be offshore and the swell rating is 3.

Time (PDT) & DateWave HeightWave Period
Morning (21 Apr)4.5ft (1.3m)11s
Afternoon (21 Apr)4ft (1.2m)10s
Evening (21 Apr)3.5ft (1.1m)10s

Table - waves today at Klamath Rivermouth. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent
Mon
20
Tuesday
21
Wednesday
22
Thursday
23
8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM
Rating
(10 max)
4
3
3
2
3
0
2
2
1
1
2
3
3
2
1
2
3
3
3
3
4
1
0
2
Swell
Height Map
Wave Height (m) & direction (?)
1.9
W
1.8
W
1.5
W
1.4
WNW
1.4
WNW
1.3
WNW
1.2
WNW
1.2
WNW
1.1
WNW
1.1
WNW
0.7
WNW
0.9
WNW
0.9
WNW
1
WNW
1
WNW
1
WNW
1.1
WNW
1.2
WNW
1.6
WNW
1.6
WNW
1.7
WNW
1.7
WNW
1.3
WNW
1.5
NW
Period(s) (?)12111111111010101091515141414141414131313131311
Wave
Graph
(?)Metric surfscale
Energy kJ (?)9468075654864693853123002502252283053714313954015075348639021042918522505
Wind
(km/h)
10
ESE
15
E
10
E
10
S
10
ENE
10
SW
5
WSW
5
SSE
5
S
10
S
10
SSE
10
SSE
10
SSE
10
SSW
15
SSW
10
SW
0
NW
5
E
5
ENE
5
ENE
5
NE
10
NW
15
NW
15
NW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffoffcrossoffcross-
on
glassglasscrosscrosscross-
off
cross-
off
cross-
off
crosscross-
on
cross-
on
glassoffoffcross-
off
glasscross-
on
cross-
on
cross-
on
High Tide
/ height (m)
2:20AM
2.87
4:34PM
2.17
3:15AM
2.73
5:46PM
2.14
4:19AM
2.56
Low Tide
/ height (m)
8:20PM
1.43
9:39AM
0.12
9:17PM
1.53
10:41AM
0.25
10:29PM
1.60
11:48AM
0.39
Mon
20
Tuesday
21
Wednesday
22
Thursday
23
Sunrise----6:26-------6:26-------6:24---
Sunset8:00-------8:02-------8:04-------
light rain
light rain
light rain
light rain
rain showers
light rain
light rain
light rain
light rain
light rain
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
cloud
clear
part cloud
clear
Rain (mm)
2111113211--------------
Temp. °C111110101112111210109810121313109879121212
Feels °C (?)98889101011886579101197657988
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Klamath Rivermouth surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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