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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 pm Thursday 21 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
9.4° C
(Which is 2.5°C colder than average for this time of year)How big are the waves at Klamath Rivermouth today?
The current surf forecast for Klamath Rivermouth at 10PM is: 2.5m 9s primary swell from a Northwest direction and 0.4m 15s secondary swell from a Southwest direction (forecast issued at 04:00pm May 21). The wind direction is predicted to be glassy and the swell rating is 4.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | - | - |
| Afternoon (21 May) | 7ft (2.2m) | 9s |
| Evening (21 May) | 10ft (3.0m) | 9s |
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 Fri morning, min 10°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Thu 21 | Friday 22 | Saturday 23 | Sun 24 | |||||||||||||||||||||
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 | 8 AM | 11 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | WNW 10 | SW 16 | NW 8 | NW 8 | WNW 16 | WNW 16 | WNW 15 | |
690 | 1055 | 1331 | 1079 | 911 | 911 | 911 | 816 | 1072 | 1306 | 1099 | 772 | 371 | 382 | 221 | 160 | 241 | 177 | 176 | 160 | 160 | 229 | 295 | 326 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | glassy | glassy | glassy | cross-off | glassy | cross-on | cross-on | cross-on | glassy | cross-off | glassy | glassy | glassy | on | on | on | cross | cross-off | glassy | glassy | glassy | cross-on | |
High Tide | 5:23PM2.30m | 4:11AM2.49m | 6:20PM2.35m | 5:25AM2.27m | 7:12PM2.42m | 6:46AM2.11m | ||||||||||||||||||
Low Tide | 10:34PM1.51m | 11:19AM0.39m | 11:56PM1.43m | 12:15PM0.59m | 1:16AM1.27m | |||||||||||||||||||
 | | |  | | | | | | | | | |  |  | | | | |  | | | | | |
 | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:48 | — | — |
 | — | — | 8:34 | — | — | — | — | — | — | — | 8:35 | — | — | — | — | — | — | — | 8:36 | — | — | — | — | 8:37 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 18 | 18 | 15 | 14 | 14 | 14 | 17 | 19 | 19 | 17 | 13 | 12 | 11 | 10 | 12 | 16 | 16 | 15 | 13 | 12 | 12 | 12 | 14 | 16 |
17 | 17 | 15 | 14 | 13 | 13 | 16 | 17 | 16 | 15 | 13 | 10 | 11 | 10 | 12 | 15 | 15 | 14 | 12 | 11 | 12 | 12 | 14 | 14 | |
Swell 1 Height (m) Direction Period (s) | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | SW 18 | SW 18 | NW 9 | NW 9 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 7 | NW 8 | NW 8 | NW 8 | NW 8 | NW 7 |
 kJ | 690 | 1055 | 1331 | 1079 | 911 | 911 | 911 | 192 | 152 | 1306 | 1099 | 772 | 371 | 382 | 221 | 160 | 241 | 177 | 176 | 160 | 160 | 164 | 125 | 107 |
Swell 2 Height (m) Direction Period (s) | SW 19 | SW 19 | SW 15 | SW 15 | SW 15 | SW 15 | SW 17 | — | SW 14 | SW 18 | SW 18 | SW 18 | WNW 10 | SW 15 | WNW 10 | WNW 10 | SW 16 | WNW 10 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 15 |
| kJ | 184 | 133 | 79 | 82 | 83 | 83 | 104 | — | 32 | 152 | 108 | 108 | 137 | 77 | 132 | 135 | 121 | 172 | 124 | 121 | 121 | 96 | 96 | 326 |
Swell 3 Height (m) Direction Period (s) | SW 15 | SW 15 | SW 19 | — | — | — | — | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 17 | W 23 | SW 15 | SW 15 | SW 22 | SW 16 | SW 16 | SW 16 | SW 16 | WNW 16 | WNW 16 | WNW 9 |
| kJ | 56 | 57 | 59 | — | — | — | — | 30 | 32 | 32 | 31 | 29 | 104 | 10 | 77 | 83 | 18 | 157 | 157 | 157 | 157 | 229 | 295 | 92 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | NW 9 | NW 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 816 | 1072 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 403 | 169 | 7 | 0 | 0 | 0 | 0 | 169 | 171 | 169 | 0 | 0 | 0 | 0 | 0 | 307 | 28 | 19 | 16 | 0 | 0 | 0 | 0 | 30 |
Best forecast wave conditions in Del Norte County | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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