Surf Forecasts:
Klamath Rivermouth surf forecast from 28 Jun 2026:
- Best quality surf: Sunday 28 Jun, 11PM (local time) - 10ft (3.0m), 8s period, NW swell with cross-shore winds.
- Most powerful swell: Tuesday 30 Jun, 8PM (local time) - 13ft (4.0m), 9s period, NW swell with 2,663 kJ wave energy.
- Next surfable swell (1★+): Sunday 28 Jun, 11PM (local time) - 10ft (3.0m), 8s period with NW 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 Sunday (Jun 28) at 11PM. The primary swell is predicted to be 3.0m and 8s period with a secondary swell of 0.6m and 16s. Another secondary swell of 0.2m and 13s 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 4.0m 9s and forecast to arrive on Tuesday (Jun 30) at 8PM. Winds are predicted to be cross-shore at the time the swell arrives.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Sun 28th Jun) | 10ft (3.0m) 8s |
| Best Surf | 11PM (Sun 28th Jun) | 10ft (3.0m) 8s |
| Most Powerful | 8PM (Tue 30th Jun) | 13ft (4.0m) 9s |
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 Tue afternoon, min 11°C on Sun night). Mainly fresh winds. | Days 4-6 Weather SummaryMostly dry. Warm (max 20°C on Wed afternoon, min 12°C on Thu night). Winds decreasing (fresh winds from the NW on Wed afternoon, calm by Fri night). | ||||||||||||||||||||
Sunday 28 | Monday 29 | Tuesday 30 | Wednesday 1 | Thursday 2 | Friday 3 | Saturday 4 | |||||||||||||||
AM | PM | 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) | NW 9 | NW 8 | NW 8 | NW 8 | NW 8 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 8 | NW 8 | NW 7 | NW 7 | NW 8 | NW 8 | NW 8 | NW 7 | NW 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 502 | 1103 | 661 | 547 | 1493 | 1010 | 995 | 2549 | 1236 | 795 | 2188 | 809 | 383 | 822 | 318 | 200 | 531 | 337 | 160 | 156 | 99 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-off | cross-on | cross-on | cross-off | cross-on | cross-on | cross | cross-on | cross-on | glassy | cross-on | cross-on | glassy | cross-on | cross-on | glassy | on | on | glassy |
High Tide | 12:37PM2.08m | 11:02PM2.66m | 1:15PM2.11m | 11:42PM2.68m | 1:51PM2.14m | 00:21AM2.67m | 2:27PM2.17m | 00:59AM2.62m | 3:02PM2.20m | 1:38AM2.53m | 3:35PM2.24m | 2:18AM2.40m | 4:07PM2.28m | 3:03AM2.25m | |||||||
Low Tide | 5:08PM1.58m | 6:23AM0.29m | 5:50PM1.56m | 7:00AM0.27m | 6:31PM1.55m | 7:36AM0.28m | 7:13PM1.53m | 8:11AM0.32m | 7:57PM1.52m | 8:44AM0.40m | 8:44PM1.49m | 9:16AM0.51m | 9:36PM1.43m | ||||||||
 | |  |  |  | | | | | | |  | | | | | | | | | | |
 | 5:43 | — | — | 5:45 | — | — | 5:45 | — | — | 5:46 | — | — | 5:46 | — | — | 5:47 | — | — | 5:47 | — | — |
 | — | 8:53 | — | — | 8:53 | — | — | 8:53 | — | — | 8:53 | — | — | 8:53 | — | — | 8:52 | — | — | 8:52 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 18 | 17 | 14 | 18 | 18 | 15 | 17 | 19 | 15 | 19 | 20 | 15 | 17 | 18 | 15 | 19 | 20 | 17 | 22 | 21 | 17 |
Feels °C | 13 | 11 | 10 | 14 | 12 | 12 | 13 | 13 | 11 | 14 | 14 | 11 | 15 | 15 | 14 | 18 | 18 | 18 | 21 | 20 | 18 |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 16 | NW 8 | SW 15 | SW 15 | NW 9 | SW 20 | SW 19 | NW 9 | SW 18 | SW 17 | NW 9 | SW 16 | SW 16 | NW 7 | SW 15 | NW 8 | NW 8 | NW 8 | NW 7 | NW 7 |
| kJ | 251 | 159 | 661 | 75 | 75 | 1010 | 134 | 131 | 1236 | 109 | 104 | 809 | 91 | 89 | 318 | 106 | 531 | 337 | 160 | 156 | 99 |
Swell 2 Height (m) Direction Period (s) | W 14 | SW 24 | SW 16 | SW 21 | SSW 21 | SW 15 | SW 15 | — | SW 18 | SW 14 | SW 21 | SW 16 | SSW 19 | W 16 | SW 15 | SW 18 | SW 15 | SW 16 | SW 16 | SW 14 | WNW 12 |
| kJ | 4 | 22 | 124 | 72 | 45 | 77 | 35 | — | 197 | 32 | 18 | 163 | 37 | 20 | 107 | 49 | 75 | 155 | 155 | 69 | 85 |
Swell 3 Height (m) Direction Period (s) | — | S 24 | WNW 12 | WSW 18 | WSW 18 | SW 20 | — | — | SW 14 | W 18 | W 18 | W 16 | SW 13 | SSW 19 | SSW 18 | WNW 15 | WNW 15 | WNW 14 | WNW 13 | WNW 13 | SW 14 |
| kJ | — | 11 | 15 | 31 | 31 | 60 | — | — | 31 | 6 | 6 | 5 | 28 | 37 | 31 | 21 | 42 | 36 | 59 | 55 | 73 |
Wind waves Height (m) Direction Period (s) | NW 9 | NW 8 | — | NW 8 | NW 8 | — | NW 9 | NW 9 | — | NW 9 | NW 9 | — | NW 8 | NW 8 | — | NW 7 | — | — | — | — | — |
| kJ | 502 | 1103 | — | 547 | 1493 | — | 995 | 2549 | — | 795 | 2188 | — | 383 | 822 | — | 200 | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 423 | 541 | 0 | 403 | 541 | 0 | 398 | 734 | 171 | 379 | 403 | 0 | 398 | 469 | 0 | 438 | 877 | 0 | 28 | 28 | 0 |
Best forecast wave conditions in Del Norte County | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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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 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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