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Big River Surf Forecast
/ CAL – Mendocino County (14 breaks) / California (404 breaks) /
Surf Forecasts:
Big River surfForecast / CAL – Mendocino County / USA
12 Day Weather and Surf, issued 9 pm Monday 23 Feb 2026 PSTForecast update in hr min s Forecast update imminent
Big River surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Big River sea temperature is
12.7° C
(Which is 1.1°C warmer than normal for this time of year)Best Forecast Surf Conditions for Big River this week:
The surf forecast for Big River over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Feb 25) at 4AM. The primary swell is predicted to be 1.8m and 10s period with a secondary swell of 0.8m and 10s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Big River in the next 12 days are 2.0m 14s and forecast to arrive on Saturday (Feb 28) at 7AM. 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+) | 4AM (Wed 25th Feb) | 6ft (1.8m) 10s |
| Best Surf | 1AM (Sat 28th Feb) | 6ft (1.8m) 15s |
| Most Powerful | 7AM (Sat 28th Feb) | 6.5ft (2.0m) 14s |
Table - best surf conditions forecast for Big River over the next 12 days.
Updates in hr min s Forecast update imminent
Short Range Forecast Heavy rain (total 65mm), heaviest during Tue morning. Very mild (max 15°C on Mon night, min 11°C on Wed afternoon). Winds decreasing (fresh winds from the SSE on Mon night, calm by Thu morning). | Days 3-6 Weather Summary Mostly dry. Very mild (max 15°C on Sat morning, min 11°C on Thu night). Wind will be generally light. | |||||||||||||||||||||
Tuesday 24 | Wednesday 25 | Thursday 26 | Friday 27 | Saturday 28 | Sunday 01 | Mon 02 | ||||||||||||||||
| 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) (?) | 8 | 9 | 9 | 9 | 9 | 9 | 15 | 14 | 13 | 13 | 12 | 12 | 15 | 13 | 13 | 12 | 12 | 11 | 10 | 9 | 9 | |
Wave (?)Graph  | ||||||||||||||||||||||
 kJ (?) | 786 | 1358 | 963 | 679 | 419 | 275 | 188 | 183 | 120 | 116 | 58 | 184 | 1358 | 1327 | 996 | 522 | 400 | 273 | 562 | 552 | 564 | |
Wind (km/h) | ||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | on | glass | cross- off | cross- off | glass | cross- off | glass | glass | glass | glass | glass | glass | glass | cross | cross | glass | cross- off | cross- off | |
High Tide / height (m) | 3:28AM 1.83 | 6:23PM 1.06 | 4:33AM 1.82 | 7:52PM 1.14 | 5:47AM 1.82 | 8:48PM 1.24 | 7:00AM 1.85 | 9:29PM 1.34 | 8:04AM 1.88 | 10:04PM 1.43 | 9:01AM 1.88 | 10:36PM 1.52 | 9:52AM 1.85 | |||||||||
Low Tide / height (m) | 11:13AM 0.02 | 9:45PM 0.90 | 12:28PM -0.07 | 11:17PM 0.96 | 1:34PM -0.16 | 12:48AM 0.92 | 2:29PM -0.23 | 2:00AM 0.81 | 3:16PM -0.26 | 2:59AM 0.68 | 3:56PM -0.23 | 3:50AM 0.54 | 4:33PM -0.16 | |||||||||
Tuesday 24 | Wednesday 25 | Thursday 26 | Friday 27 | Saturday 28 | Sunday 01 | Mon 02 | ||||||||||||||||
| Sunrise | - | 6:54 | - | - | 6:54 | - | - | 6:52 | - | - | 6:50 | - | - | 6:48 | - | - | 6:48 | - | - | 6:46 | - | |
| Sunset | - | - | 6:00 | - | - | 6:01 | - | - | 6:04 | - | - | 6:05 | - | - | 6:06 | - | - | 6:07 | - | - | 6:07 | |
 |  |  |  |  |  |  | | |  | | | | | | | | | |  | | ||
Rain (mm) | 32 | 27 | 6 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| Temp. °C | 15 | 14 | 14 | 13 | 13 | 12 | 11 | 14 | 13 | 13 | 14 | 13 | 14 | 15 | 13 | 13 | 13 | 12 | 11 | 12 | 12 | |
| Feels °C (?) | 9 | 9 | 12 | 13 | 11 | 10 | 10 | 12 | 11 | 12 | 12 | 12 | 13 | 13 | 11 | 11 | 12 | 9 | 10 | 9 | 9 | |
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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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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 Big River 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 Big River Surf forecast
The above surf forecast table for Big River provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Big River can be found by selecting the local surf guide option on the grey menu. Our Big River 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 (Big River) 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 Big River 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.
Big River is 54 km (34 miles) from Ukiah. If you plan a vacation in Mendocino County, look for hotels and other accommodation in Ukiah. Ukiah has rooms for a wide range of budgets as well as car hire and transport links.
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