Surf Forecasts:
Klamath Rivermouth surf forecast from 13 Nov 2026:
- Best quality surf: Friday 13 Nov, 10AM (local time) - 11ft (3.5m), 15s period, W swell with cross-shore winds.
- Most powerful swell: Friday 13 Nov, 10PM (local time) - 26ft (8.0m), 19s period, W swell with 43,698 kJ wave energy.
- Next surfable swell (1★+): Friday 13 Nov, 10AM (local time) - 11ft (3.5m), 15s period with W swell.
Best Forecast Surf Conditions for Klamath Rivermouth this week:
The surf forecast for Klamath Rivermouth over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Nov 13) at 10AM. The primary swell is predicted to be 3.5m and 15s period with a secondary swell of 0.3m and 17s. Another secondary swell of 2.4m and 9s is also forecast. The wind is predicted to be cross-shore as the swell arrives.
The most powerful waves expected at Klamath Rivermouth in the next 16 days are 8.0m 19s and forecast to arrive on Friday (Nov 13) at 10PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Friday (Nov 27) at 4PM.
| Wave Type | Time (PST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10AM (Fri 13th Nov) | 11ft (3.5m) 15s |
| Best Surf | 10AM (Fri 13th Nov) | 11ft (3.5m) 15s |
| Most Powerful | 10PM (Fri 13th Nov) | 26ft (8.0m) 19s |
Table - best surf conditions forecast for Klamath Rivermouth over the next 16 days.
Short Range ForecastHeavy rain (total 78mm), heaviest during Thu night. Very mild (max 16°C on Thu night, min 10°C on Sun afternoon). Winds decreasing (strong winds from the SSW on Thu night, calm by Sun morning). | Days 5-7 Weather SummaryHeavy rain (total 37mm), heaviest during Tue night. Very mild (max 13°C on Tue morning, min 7°C on Mon night). Wind will be generally light. | ||||||||||||||||||
Friday 13 | Saturday 14 | Sunday 15 | Monday 16 | Tuesday 17 | Wednesday 18 | ||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | W 14 | W 15 | W 16 | W 19 | W 17 | W 16 | W 14 | W 13 | W 17 | W 16 | W 16 | WNW 16 | W 14 | W 13 | W 13 | W 12 | W 14 | W 13 | W 15 |
Wave Graph  | |||||||||||||||||||
 kJ | 3004 | 5376 | 10617 | 39155 | 20102 | 11609 | 2939 | 4152 | 15685 | 14170 | 10732 | 10638 | 3108 | 2431 | 1850 | 1760 | 5146 | 5443 | 7879 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross-on | cross | cross-off | cross | cross-off | glassy | off | off | glassy | cross-on | off | cross-off | cross | cross-off | cross-off | cross-off | off |
High Tide | 2:36AM2.10m | 12:58PM2.49m | 3:29AM2.06m | 1:39PM2.37m | 4:25AM2.05m | 2:25PM2.23m | 5:19AM2.09m | 3:24PM2.09m | 6:04AM2.15m | 4:38PM1.98m | 6:39AM2.25m | 6:02PM1.92m | |||||||
Low Tide | 7:14AM1.61m | 8:22PM0.49m | 8:01AM1.67m | 9:08PM0.59m | 9:02AM1.71m | 9:56PM0.70m | 10:19AM1.69m | 10:44PM0.79m | 11:41AM1.59m | 11:32PM0.89m | 12:49PM1.40m | 00:19AM0.98m | |||||||
 |  |  |  |  |  | | |  |  | |  |  | | | | |  |  | |
 | — | 7:01 | — | — | 7:03 | — | — | 7:03 | — | — | 7:05 | — | — | 7:07 | — | — | 7:07 | — | — |
 | — | — | 4:58 | — | — | 4:57 | — | — | 4:55 | — | — | 4:54 | — | — | 4:53 | — | — | 4:53 | — |
mm | 19 | 14 | 7 | 15 | — | — | 11 | 11 | 1 | — | — | — | — | — | — | 26 | 7 | 4 | — |
Temp °C | 16 | 12 | 12 | 11 | 15 | 14 | 12 | 11 | 12 | 9 | 11 | 11 | 8 | 13 | 13 | 9 | 8 | 8 | 7 |
Feels °C | 10 | 7 | 7 | 7 | 11 | 9 | 8 | 10 | 10 | 6 | 9 | 9 | 6 | 8 | 8 | 3 | 4 | 5 | 4 |
Swell 1 Height (m) Direction Period (s) | W 14 | W 15 | W 16 | W 19 | W 17 | W 16 | W 14 | W 13 | W 17 | W 16 | W 16 | WNW 16 | W 14 | W 13 | W 13 | W 12 | W 14 | W 13 | W 15 |
| kJ | 3004 | 5376 | 10617 | 39155 | 20102 | 11609 | 2939 | 4152 | 15685 | 14170 | 10732 | 10638 | 3108 | 2431 | 1850 | 1760 | 5146 | 5443 | 7879 |
Swell 2 Height (m) Direction Period (s) | SW 13 | SW 17 | W 20 | — | — | — | SW 8 | SW 9 | SW 16 | SW 16 | SW 16 | SW 15 | WNW 15 | NW 14 | NW 13 | SSW 13 | — | SSW 13 | SSW 16 |
| kJ | 45 | 46 | 10127 | — | — | — | 987 | 402 | 69 | 66 | 64 | 54 | 2479 | 961 | 632 | 17 | — | 16 | 25 |
Swell 3 Height (m) Direction Period (s) | SW 18 | SSW 13 | — | — | — | — | SW 14 | W 18 | — | — | — | — | SSW 15 | SW 14 | SW 14 | SW 18 | — | — | — |
| kJ | 49 | 17 | — | — | — | — | 33 | 627 | — | — | — | — | 21 | 33 | 29 | 12 | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 8 | SSW 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | SSW 8 | SE 3 | — | — |
| kJ | 943 | 868 | — | — | — | — | — | — | — | — | — | — | — | — | — | 597 | 6 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 491 | 734 | 541 | 403 | 343 | 438 | 343 | 7 | 19 | 7 | 7 | 23 | 7 | 0 | 332 | 0 | 169 | 7 | 7 |
Best forecast wave conditions in Del Norte County | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
Header Global | |||||||||||||||||||
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Information about the Klamath Rivermouth Surf forecast
The above surf forecast table for Klamath Rivermouth provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Klamath Rivermouth can be found by selecting the local surf guide option on the grey menu. Our Klamath Rivermouth surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Klamath Rivermouth) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Klamath Rivermouth may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Klamath Rivermouth is 67 km (42 miles) from McKinleyville. If you plan a vacation in Del Norte County, look for hotels and other accommodation in McKinleyville. McKinleyville has rooms for a wide range of budgets as well as car hire and transport links.
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