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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
16 Day 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)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 Sunday (May 10) at 11PM. The primary swell is predicted to be 1.3m and 11s period with a secondary swell of 1.4m and 7s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Klamath Rivermouth in the next 16 days are 2.0m 13s and forecast to arrive on Sunday (May 17) at 2AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 7s period and expected on Friday (May 15) at 11AM.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Sun 10th May) | 4.5ft (1.3m) 11s |
| Best Surf | 11PM (Sat 16th May) | 4.5ft (1.4m) 13s |
| Most Powerful | 2AM (Sun 17th May) | 6.5ft (2.0m) 13s |
Table - best surf conditions forecast for Klamath Rivermouth over the next 16 days.
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. | Days 4-6 Weather SummaryHeavy rain (total 30mm), heaviest during Wed night. Very mild (max 17°C on Fri afternoon, min 9°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Sunday 10 | Monday 11 | Tuesday 12 | Wednesday 13 | Thursday 14 | Friday 15 | Saturday 16 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
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 10 | W 10 | W 9 | WNW 16 | WNW 15 | WNW 14 | WNW 13 | WNW 13 | WNW 13 | |
348 | 326 | 418 | 466 | 457 | 410 | 291 | 238 | 358 | 681 | 617 | 459 | 290 | 234 | 134 | 273 | 397 | 642 | 651 | 623 | 1297 | |
Wind (km/h) | |||||||||||||||||||||
cross-on | cross-on | glassy | cross-on | cross-on | cross-off | cross-on | on | glassy | cross-on | cross-off | glassy | cross-on | on | cross-off | cross-on | cross-on | cross-off | on | cross-on | glassy | |
High Tide | 8:04PM2.24m | 7:16AM2.02m | 8:34PM2.37m | 8:32AM2.04m | 9:04PM2.53m | 9:41AM2.10m | 9:37PM2.69m | 10:42AM2.18m | 10:14PM2.85m | 11:40AM2.26m | 10:54PM2.98m | 12:36PM2.31m | 11:37PM3.06m | ||||||||
Low Tide | 12:58PM0.81m | 1:59AM1.43m | 1:45PM0.88m | 2:53AM1.16m | 2:31PM0.95m | 3:41AM0.85m | 3:16PM1.04m | 4:26AM0.53m | 4:02PM1.14m | 5:12AM0.23m | 4:48PM1.23m | 5:59AM0.01m | 5:35PM1.31m | ||||||||
 | |  |  | |  | | | | |  |  | | | | | | | | | | |
 | 6:01 | — | — | 6:01 | — | — | 6:00 | — | — | 5:58 | — | — | 5:58 | — | — | 5:56 | — | — | 5:56 | — | — |
 | — | 8:22 | — | — | 8:23 | — | — | 8:24 | — | — | 8:25 | — | — | 8:27 | — | — | 8:28 | — | — | 8:29 | — |
— | — | — | — | — | — | — | — | — | — | 2 | 28 | — | — | — | — | — | — | — | — | — | |
Temp °C | 15 | 16 | 13 | 18 | 19 | 13 | 17 | 18 | 13 | 15 | 15 | 10 | 13 | 14 | 12 | 16 | 17 | 12 | 16 | 16 | 11 |
13 | 13 | 12 | 16 | 18 | 13 | 16 | 17 | 13 | 13 | 12 | 8 | 11 | 12 | 11 | 13 | 13 | 11 | 15 | 14 | 10 | |
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 12 | W 12 | W 11 | W 10 | W 10 | W 9 | W 9 | WNW 15 | NW 7 | WNW 13 | WNW 13 | WNW 13 |
 kJ | 348 | 326 | 418 | 466 | 457 | 410 | 291 | 238 | 358 | 681 | 617 | 459 | 290 | 234 | 134 | 106 | 397 | 189 | 651 | 623 | 1297 |
Swell 2 Height (m) Direction Period (s) | SW 17 | SW 18 | NW 6 | NW 6 | NW 6 | NW 6 | NW 6 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 17 | SW 16 | WNW 16 | W 9 | WNW 14 | WNW 7 | SW 15 | SW 14 |
| kJ | 177 | 152 | 100 | 51 | 85 | 66 | 23 | 103 | 132 | 73 | 69 | 62 | 62 | 102 | 127 | 273 | 60 | 642 | 183 | 107 | 73 |
Swell 3 Height (m) Direction Period (s) | SW 12 | WSW 12 | SW 15 | SW 15 | SW 16 | SW 16 | SW 15 | NW 5 | W 14 | NW 5 | SSW 19 | SW 18 | SW 18 | NW 6 | NNW 7 | SW 16 | SW 16 | SW 15 | SW 15 | SW 19 | SW 14 |
| kJ | 5 | 13 | 75 | 147 | 159 | 159 | 143 | 10 | 103 | 4 | 36 | 49 | 79 | 10 | 18 | 157 | 118 | 106 | 109 | 15 | 73 |
Wind waves Height (m) Direction Period (s) | NW 5 | NW 6 | — | — | — | — | — | — | — | — | — | SW 4 | — | — | — | NNW 7 | NW 5 | — | — | NW 7 | — |
| kJ | 41 | 143 | — | — | — | — | — | — | — | — | — | 16 | — | — | — | 19 | 84 | — | — | 336 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 423 | 541 | 0 | 28 | 171 | 0 | 30 | 30 | 0 | 30 | 0 | 0 | 30 | 541 | 0 | 371 | 540 | 0 | 28 | 540 | 0 |
Best forecast wave conditions in Del Norte County | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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FREE! Surf-Forecast.com widget for your website
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 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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