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Klamath Rivermouth Surf Forecast
/ CAL – Del Norte County (8 breaks) / California (404 breaks) /
Surf Forecasts:
Klamath Rivermouth surfForecast / CAL – Del Norte County / USA
48hr Weather and Surf, issued 10 am Monday 20 Apr 2026 PDTForecast 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 4PM is: 2.0m 12s primary swell from a West direction and 0.4m 13s secondary swell from a Southwest direction (forecast issued at 10:00am April 20). The wind direction is predicted to be glassy and the swell rating is 4.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Apr) | 6ft (1.8m) | 13s |
| Afternoon (20 Apr) | 6.5ft (2.0m) | 12s |
| Evening (20 Apr) | 6ft (1.8m) | 11s |
Table - waves today at Klamath Rivermouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 20 | Tuesday 21 | Wednesday 22 | Thu 23 | |||||||||||||||||||||
| 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 943 | 1183 | 1220 | 1122 | 864 | 733 | 640 | 555 | 457 | 385 | 312 | 306 | 250 | 230 | 228 | 305 | 371 | 431 | 395 | 401 | 507 | 659 | 1058 | 1093 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | cross- off | glass | cross- off | off | off | off | cross | off | on | cross- on | glass | glass | cross | cross | cross- off | cross | cross | cross- on | cross- on | glass | glass | off | cross- off |
High Tide / height (m) | 3:28PM 2.24 | 2:20AM 2.87 | 4:34PM 2.17 | 3:15AM 2.73 | 5:46PM 2.14 | 4:19AM 2.56 | ||||||||||||||||||
Low Tide / height (m) | 8:43AM 0.04 | 8:20PM 1.43 | 9:39AM 0.12 | 9:17PM 1.53 | 10:41AM 0.25 | 10:29PM 1.60 | ||||||||||||||||||
Monday 20 | Tuesday 21 | Wednesday 22 | Thu 23 | |||||||||||||||||||||
| Sunrise | 6:28 | - | - | - | - | - | - | - | 6:26 | - | - | - | - | - | - | - | 6:26 | - | - | - | - | - | - | - |
| Sunset | - | - | - | - | 8:00 | - | - | - | - | - | - | - | 8:02 | - | - | - | - | - | - | - | 8:04 | - | - | - |
 |  | | | |  | |  |  | | | | | |  |  |  |  | | | |  | | | |
Rain (mm) | 9 | 4 | 2 | 2 | 3 | 2 | 1 | - | 2 | 1 | 1 | 4 | 1 | - | 1 | - | - | - | 1 | 1 | - | - | - | - |
| Temp. °C | 11 | 11 | 11 | 11 | 10 | 11 | 11 | 11 | 11 | 12 | 12 | 11 | 10 | 10 | 10 | 9 | 10 | 11 | 11 | 12 | 11 | 9 | 8 | 7 |
| Feels °C (?) | 10 | 10 | 10 | 10 | 8 | 9 | 9 | 10 | 9 | 11 | 10 | 10 | 9 | 8 | 8 | 7 | 7 | 8 | 8 | 10 | 11 | 7 | 6 | 5 |
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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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