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Cape Mendocino Surf Forecast
/ CAL – Humboldt (25 breaks) / California (404 breaks) /
Surf Forecasts:
Cape Mendocino surfForecast / CAL – Humboldt / USA
12 Day Weather and Surf, issued 9 pm Tuesday 17 Feb 2026 PSTForecast update in hr min s Forecast update imminent
Cape Mendocino surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Cape Mendocino sea temperature is
12.5° C
(Which is 1.3°C warmer than normal for this time of year)Best Forecast Surf Conditions for Cape Mendocino this week:
The surf forecast for Cape Mendocino over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Feb 18) at 7AM. The primary swell is predicted to be 4.5m and 13s period with a secondary swell of 0.2m and 13s. The wind is predicted to be cross-onshore as the swell arrives.
The most powerful waves expected at Cape Mendocino in the next 12 days are 6.0m 11s and forecast to arrive on Sunday (Feb 22) at 1AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 6s period and expected on Saturday (Feb 21) at 1AM.
| Wave Type | Time (PST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7AM (Wed 18th Feb) | 15ft (4.5m) 13s |
| Best Surf | 7AM (Wed 18th Feb) | 15ft (4.5m) 13s |
| Most Powerful | 1AM (Sun 22nd Feb) | 20ft (6.0m) 11s |
Table - best surf conditions forecast for Cape Mendocino over the next 12 days.
Updates in hr min s Forecast update imminent
Short Range Forecast Heavy rain (total 34mm), heaviest during Wed night. Mild temperatures (max 9°C on Fri afternoon, min 4°C on Thu night). Winds increasing (light winds from the W on Wed afternoon, fresh winds from the NNW by Thu afternoon). | Days 3-6 Weather Summary Heavy rain (total 58mm), heaviest during Sat night. Very mild (max 12°C on Sat morning, min 7°C on Fri night). Winds decreasing (gales from the SE on Sat night, moderate winds from the S by Mon afternoon). | |||||||||||||||||||||
Wednesday 18 | Thursday 19 | Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | Tue 24 | ||||||||||||||||
| Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | ||
Rating (10 max) | ||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  | ||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||
| Period(s) (?) | 13 | 13 | 13 | 12 | 10 | 11 | 10 | 10 | 10 | 9 | 8 | 9 | 11 | 10 | 10 | 9 | 13 | 12 | 9 | 11 | 12 | |
Wave (?)Graph  | ||||||||||||||||||||||
 kJ (?) | 6602 | 6639 | 4921 | 2095 | 2068 | 4067 | 2008 | 622 | 322 | 121 | 930 | 2126 | 8187 | 3043 | 2789 | 1708 | 1387 | 976 | 690 | 4482 | 5845 | |
Wind (km/h) | ||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross | on | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross- on | cross- on | cross- on | cross | cross | cross | cross | |
High Tide / height (m) | 11:55PM 1.58 | 11:18AM 1.77 | 12:21AM 1.65 | 12:04PM 1.66 | 12:50AM 1.72 | 12:56PM 1.52 | 1:21AM 1.78 | 1:56PM 1.36 | 1:58AM 1.81 | 3:11PM 1.21 | 2:42AM 1.83 | 4:49PM 1.13 | 3:36AM 1.82 | 6:36PM 1.16 | ||||||||
Low Tide / height (m) | 5:38AM 0.59 | 6:02PM -0.01 | 6:20AM 0.47 | 6:34PM 0.12 | 7:07AM 0.35 | 7:09PM 0.28 | 7:59AM 0.25 | 7:46PM 0.48 | 8:59AM 0.17 | 8:29PM 0.68 | 10:07AM 0.11 | 9:25PM 0.86 | 11:24AM 0.04 | |||||||||
Wednesday 18 | Thursday 19 | Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | Tue 24 | ||||||||||||||||
| Sunrise | - | 7:07 | - | - | 7:05 | - | - | 7:03 | - | - | 7:03 | - | - | 7:01 | - | - | 7:00 | - | - | 6:58 | - | |
| Sunset | - | - | 5:55 | - | - | 5:57 | - | - | 5:58 | - | - | 5:59 | - | - | 6:00 | - | - | 6:00 | - | - | 6:02 | |
 |  |  |  |  | |  | | |  |  | | | | | | | | | |  | ||
Rain (mm) | 8 | 1 | - | 21 | 2 | 2 | - | - | - | 1 | - | - | 34 | 2 | 5 | 15 | 1 | - | 6 | 1 | - | |
| Temp. °C | 7 | 8 | 8 | 7 | 8 | 8 | 6 | 8 | 9 | 8 | 12 | 12 | 12 | 12 | 11 | 12 | 12 | 12 | 11 | 12 | 12 | |
| Feels °C (?) | 0 | 4 | 5 | 1 | 0 | -1 | 1 | 3 | 3 | -2 | 1 | 1 | -1 | 2 | 4 | 3 | 6 | 6 | 3 | 9 | 9 | |
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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 Cape Mendocino 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 Cape Mendocino Surf forecast
The above surf forecast table for Cape Mendocino provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Cape Mendocino can be found by selecting the local surf guide option on the grey menu. Our Cape Mendocino 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 (Cape Mendocino) 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 Cape Mendocino 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.
Cape Mendocino is 47 km (29 miles) from Eureka. If you plan a vacation in Humboldt County, look for hotels and other accommodation in Eureka. Eureka has rooms for a wide range of budgets as well as car hire and transport links.
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