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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
12 Day Weather and Surf, issued 9 am Thursday 04 Dec 2025 PSTForecast 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 slightly warmer than usual)Best Forecast Surf Conditions for Klamath Rivermouth this week:
The surf forecast for Klamath Rivermouth over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Dec 04) at 7PM. The primary swell is predicted to be 1.1m and 12s period with a secondary swell of 0.1m and 14s. Another secondary swell of 0.9m and 5s is also forecast. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Klamath Rivermouth in the next 12 days are 3.0m 15s and forecast to arrive on Wednesday (Dec 10) at 7PM. Winds are predicted to be cross-shore at the time the swell arrives.
| Wave Type | Time (PST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7PM (Thu 4th Dec) | 3.5ft (1.1m) 12s |
| Best Surf | 1AM (Wed 10th Dec) | 10ft (3.0m) 15s |
| Most Powerful | 7PM (Wed 10th Dec) | 10ft (3.0m) 15s |
Table - best surf conditions forecast for Klamath Rivermouth over the next 12 days.
Updates in hr min s Forecast update imminent
Short Range Forecast Light rain (total 2mm), mostly falling on Fri afternoon. Very mild (max 15°C on Thu morning, min 11°C on Thu night). Wind will be generally light. | Days 3-6 Weather Summary Light rain (total 8mm), mostly falling on Mon night. Very mild (max 15°C on Sun morning, min 12°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Thursday 04 | Friday 05 | Saturday 06 | Sunday 07 | Monday 08 | Tuesday 09 | Wednesday 10 | |||||||||||||||
| AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Rating (10 max) | |||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 12 | 11 | 11 | 11 | 13 | 12 | 12 | 11 | 11 | 11 | 10 | 11 | 11 | 12 | 12 | 15 | 15 | 15 | 14 |
Wave (?)Graph  | |||||||||||||||||||||
 kJ (?) | 362 | 356 | 333 | 358 | 289 | 231 | 683 | 1069 | 657 | 680 | 487 | 353 | 419 | 631 | 799 | 1379 | 1066 | 3609 | 3314 | 3452 | 3048 |
Wind (km/h) | |||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | cross- on | glass | glass | glass | glass | glass | glass | cross- off | glass | glass | off | glass | glass | cross- off | cross | cross | cross | cross- on | glass | glass |
High Tide / height (m) | 11:55PM 2.31 | 10:42AM 3.13 | 12:49AM 2.34 | 11:33AM 3.09 | 1:41AM 2.34 | 12:25PM 2.96 | 2:34AM 2.34 | 1:19PM 2.77 | 3:27AM 2.35 | 2:16PM 2.54 | 4:19AM 2.37 | 3:20PM 2.28 | |||||||||
Low Tide / height (m) | 5:09PM -0.19 | 4:43AM 1.42 | 5:59PM -0.24 | 5:36AM 1.44 | 6:50PM -0.19 | 6:32AM 1.46 | 7:41PM -0.06 | 7:32AM 1.47 | 8:31PM 0.12 | 8:39AM 1.47 | 9:20PM 0.34 | 9:53AM 1.43 | 10:09PM 0.58 | ||||||||
Thursday 04 | Friday 05 | Saturday 06 | Sunday 07 | Monday 08 | Tuesday 09 | Wednesday 10 | |||||||||||||||
| Sunrise | 7:26 | - | - | 7:26 | - | - | 7:28 | - | - | 7:28 | - | - | 7:28 | - | - | 7:30 | - | - | 7:31 | - | - |
| Sunset | - | 4:45 | - | - | 4:45 | - | - | 4:45 | - | - | 4:45 | - | - | 4:45 | - | - | 4:45 | - | - | 4:45 | - |
 | |  | |  |  |  | |  |  | | | | |  | | | | | | | |
Rain (mm) | - | - | - | - | 1 | 1 | - | - | - | - | - | - | - | - | 3 | 1 | 2 | 2 | - | 2 | 1 |
| Temp. °C | 15 | 12 | 11 | 15 | 14 | 13 | 13 | 13 | 13 | 15 | 14 | 13 | 15 | 15 | 14 | 13 | 14 | 15 | 15 | 13 | 14 |
| Feels °C (?) | 11 | 9 | 10 | 15 | 14 | 13 | 13 | 12 | 11 | 13 | 14 | 12 | 14 | 15 | 13 | 11 | 13 | 14 | 14 | 13 | 14 |
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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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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Klamath Rivermouth surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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 12 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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