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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 Monday 11 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
12.6° C
(Which is 1.0°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 10AM is: 1.3m 11s primary swell from a West direction and 0.8m 6s secondary swell from a Northwest direction (forecast issued at 04:00am May 11). The wind direction is predicted to be cross-onshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 May) | 4.5ft (1.3m) | 11s |
| Afternoon (11 May) | 4.5ft (1.4m) | 11s |
| Evening (11 May) | 4.5ft (1.4m) | 11s |
Table - waves today at Klamath Rivermouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 14mm), heaviest on Tue night. Very mild (max 19°C on Mon morning, min 8°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 11 | Tuesday 12 | Wednesday 13 | ||||||||||||||||||||||
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 12 | W 12 | W 11 | W 11 | W 11 | W 12 | W 12 | W 12 | W 12 | W 11 | |
418 | 418 | 410 | 466 | 466 | 457 | 457 | 396 | 410 | 410 | 345 | 338 | 286 | 233 | 330 | 336 | 364 | 543 | 457 | 860 | 805 | 895 | 843 | 676 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | glassy | cross-on | cross-on | cross-on | glassy | glassy | cross-off | cross | cross | cross-on | on | cross-on | glassy | glassy | cross-off | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-off | |
High Tide | 7:16AM2.02m | 8:34PM2.37m | 8:32AM2.04m | 9:04PM2.53m | 9:41AM2.10m | 9:37PM2.69m | ||||||||||||||||||
Low Tide | 1:59AM1.43m | 1:45PM0.88m | 2:53AM1.16m | 2:31PM0.95m | 3:41AM0.85m | 3:16PM1.04m | ||||||||||||||||||
 | |  | |  | | |  | | | | | | | | |  |  |  | | | | | | |
 | — | 6:01 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:23 | — | — | — | — | — | — | — | 8:24 | — | — | — | — | — | — | — | 8:25 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 7 | 5 | 1 | — | — | — | — | |
Temp °C | 12 | 11 | 14 | 19 | 19 | 17 | 13 | 12 | 12 | 12 | 13 | 17 | 16 | 15 | 13 | 12 | 11 | 11 | 12 | 13 | 14 | 14 | 12 | 9 |
12 | 10 | 14 | 18 | 18 | 16 | 13 | 12 | 11 | 11 | 12 | 16 | 15 | 14 | 13 | 11 | 9 | 10 | 11 | 10 | 11 | 12 | 11 | 8 | |
Swell 1 Height (m) Direction Period (s) | 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 | W 12 | W 11 | W 11 | W 11 | W 12 | W 12 | W 12 | W 12 | W 11 |
 kJ | 418 | 418 | 410 | 466 | 466 | 457 | 457 | 396 | 410 | 410 | 345 | 338 | 286 | 233 | 330 | 336 | 364 | 543 | 457 | 860 | 805 | 895 | 843 | 676 |
Swell 2 Height (m) Direction Period (s) | NW 6 | NW 6 | NW 6 | NW 6 | NW 6 | NW 6 | NW 6 | NW 6 | NW 6 | NW 6 | NW 6 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | W 13 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 |
| kJ | 100 | 88 | 74 | 53 | 43 | 76 | 94 | 88 | 66 | 53 | 31 | 143 | 132 | 103 | 132 | 132 | 132 | 103 | 281 | 73 | 72 | 70 | 65 | 63 |
Swell 3 Height (m) Direction Period (s) | SW 15 | SW 15 | SW 15 | SW 15 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | NW 6 | NW 5 | NNW 6 | NNW 5 | W 15 | W 14 | SW 20 | SW 14 | SW 20 | SW 19 | SSW 19 | SW 18 | SW 18 |
| kJ | 75 | 104 | 139 | 147 | 157 | 159 | 159 | 161 | 159 | 159 | 155 | 15 | 10 | 3 | 3 | 38 | 99 | 15 | 103 | 15 | 15 | 36 | 52 | 50 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NW 5 | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 28 | 28 | 171 | 0 | 0 | 0 | 16 | 19 | 403 | 28 | 28 | 0 | 0 | 0 | 28 | 16 | 30 | 541 | 541 | 28 | 0 |
Best forecast wave conditions in Del Norte County | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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