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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 4 am Sunday 10 May 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
12.9° C
(Which is 1.2°C warmer than normal for this time of year)How big are the waves at Klamath Rivermouth today?
The current surf forecast for Klamath Rivermouth at 11AM is: 1.2m 11s primary swell from a West direction and 0.6m 17s secondary swell from a Southwest direction, 0.8m 5s secondary swell from a Northwest direction (forecast issued at 04:00am May 10). The wind direction is predicted to be cross-onshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 May) | 4.5ft (1.3m) | 11s |
| Afternoon (10 May) | 4ft (1.2m) | 11s |
| Evening (10 May) | 4ft (1.2m) | 11s |
Table - waves today at Klamath Rivermouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 19°C on Mon afternoon, min 11°C on Sun morning). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 10 | Monday 11 | Tuesday 12 | ||||||||||||||||||||||
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 | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 12 | |
499 | 408 | 408 | 348 | 326 | 326 | 338 | 418 | 418 | 418 | 475 | 466 | 466 | 457 | 457 | 457 | 410 | 410 | 345 | 291 | 286 | 238 | 251 | 330 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | glassy | cross-on | cross-on | cross-on | cross | glassy | glassy | glassy | glassy | cross-on | cross-on | cross-on | glassy | glassy | cross-off | cross-off | cross | cross-on | on | on | glassy | glassy | |
High Tide | 5:55AM2.06m | 8:04PM2.24m | 7:16AM2.02m | 8:34PM2.37m | 8:32AM2.04m | 9:04PM2.53m | ||||||||||||||||||
Low Tide | 00:51AM1.63m | 12:58PM0.81m | 1:59AM1.43m | 1:45PM0.88m | 2:53AM1.16m | 2:31PM0.95m | ||||||||||||||||||
 | |  |  | | | |  | | | | | | | | | | | | | | | | | |
 | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:22 | — | — | — | — | — | — | — | 8:23 | — | — | — | — | — | — | — | 8:24 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 10 | 10 | 11 | 15 | 15 | 16 | 13 | 13 | 12 | 12 | 15 | 18 | 19 | 17 | 13 | 13 | 13 | 13 | 15 | 17 | 18 | 16 | 13 | 12 |
10 | 9 | 10 | 13 | 13 | 13 | 12 | 13 | 11 | 11 | 14 | 16 | 18 | 16 | 13 | 12 | 12 | 12 | 14 | 16 | 17 | 15 | 13 | 12 | |
Swell 1 Height (m) Direction Period (s) | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | NW 7 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 12 |
 kJ | 499 | 408 | 408 | 348 | 326 | 326 | 338 | 173 | 418 | 418 | 475 | 466 | 466 | 457 | 457 | 457 | 410 | 410 | 345 | 291 | 286 | 238 | 251 | 330 |
Swell 2 Height (m) Direction Period (s) | NW 5 | NW 5 | NW 6 | SW 17 | SW 18 | SW 18 | SW 18 | W 11 | NW 6 | NW 6 | NW 6 | NW 6 | NW 6 | NW 6 | NW 6 | NW 6 | NW 6 | NW 6 | NW 6 | NW 6 | SW 14 | SW 14 | SW 14 | SW 14 |
| kJ | 27 | 32 | 43 | 177 | 192 | 152 | 152 | 418 | 100 | 81 | 74 | 51 | 42 | 85 | 88 | 85 | 66 | 54 | 36 | 23 | 103 | 103 | 132 | 103 |
Swell 3 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 16 | SW 12 | WSW 12 | WSW 12 | SW 14 | SW 18 | SW 15 | SW 15 | SW 15 | SW 15 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | NNW 6 | NW 5 | NNW 6 | W 14 |
| kJ | 159 | 161 | 211 | 5 | 14 | 13 | 31 | 111 | 75 | 104 | 178 | 147 | 157 | 159 | 159 | 161 | 159 | 159 | 155 | 143 | 13 | 10 | 6 | 66 |
Wind waves Height (m) Direction Period (s) | — | — | — | NW 5 | NW 6 | NW 6 | NW 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 41 | 67 | 143 | 240 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 423 | 438 | 541 | 16 | 0 | 0 | 0 | 0 | 28 | 28 | 171 | 0 | 0 | 0 | 0 | 19 | 30 | 403 | 30 | 0 | 0 |
Best forecast wave conditions in Del Norte County | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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