Surf Forecasts:
Big River surf forecast from 8 Jun 2026:
- Best quality surf: Tuesday 9 Jun, 2AM (local time) - 4ft (1.2m), 21s period, S swell with glassy winds.
- Most powerful swell: Wednesday 10 Jun, 5PM (local time) - 13ft (4.0m), 9s period, NW swell with 2,384 kJ wave energy.
- Next surfable swell (1★+): Monday 8 Jun, 8AM (local time) - 1.5ft (0.5m), 24s period with S swell.
Best Forecast Surf Conditions for Big River this week:
The surf forecast for Big River over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Jun 08) at 8AM. The primary swell is predicted to be 0.5m and 24s period with a secondary swell of 0.8m and 14s. Another secondary swell of 1.4m and 8s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Big River in the next 16 days are 4.0m 9s and forecast to arrive on Wednesday (Jun 10) at 5PM. Winds are predicted to be cross-offshore at the time the swell arrives.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Mon 8th Jun) | 1.5ft (0.5m) 24s |
| Best Surf | 2AM (Tue 9th Jun) | 4ft (1.2m) 21s |
| Most Powerful | 5PM (Wed 10th Jun) | 13ft (4.0m) 9s |
Table - best surf conditions forecast for Big River over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 5mm), mostly falling on Mon night. Very mild (max 14°C on Mon night, min 9°C on Sun night). Winds increasing (calm on Mon afternoon, fresh winds from the NNW by Wed afternoon). | Days 5-7 Weather SummaryMostly dry. Very mild (max 16°C on Thu morning, min 11°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Monday 8 | Tuesday 9 | Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | Sun 14 | |||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | NW 7 | S 24 | S 23 | S 21 | S 20 | S 20 | S 18 | S 18 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 10 | S 14 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | SSW 16 |
Wave Graph  | |||||||||||||||||||||
 kJ | 472 | 541 | 537 | 1329 | 1126 | 1707 | 1342 | 1342 | 2384 | 1794 | 958 | 1291 | 840 | 612 | 508 | 415 | 397 | 323 | 365 | 354 | 346 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross | glassy | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | glassy | on | cross-on | glassy | on | glassy | glassy | on | on |
High Tide | 4:58AM1.18m | 6:35PM1.50m | 6:24AM1.09m | 7:09PM1.63m | 7:52AM1.07m | 7:45PM1.76m | 9:11AM1.10m | 8:25PM1.90m | 10:20AM1.16m | 9:08PM2.02m | 11:21AM1.23m | 9:55PM2.12m | 12:17PM1.28m | ||||||||
Low Tide | 11:47PM0.74m | 11:29AM0.20m | 00:57AM0.54m | 12:13PM0.33m | 1:57AM0.30m | 1:00PM0.46m | 2:50AM0.04m | 1:49PM0.58m | 3:41AM-0.21m | 2:41PM0.68m | 4:30AM-0.41m | 3:34PM0.74m | 5:20AM-0.55m | 4:28PM0.78m | |||||||
 | |  |  | |  |  | | | | | | | | | | | | | | | |
 | — | 5:48 | — | — | 5:48 | — | — | 5:48 | — | — | 5:48 | — | — | 5:48 | — | — | 5:48 | — | — | 5:48 | — |
 | 8:38 | — | 8:39 | — | — | 8:39 | — | — | 8:40 | — | — | 8:40 | — | — | 8:42 | — | — | 8:42 | — | — | 8:43 |
mm | — | — | 1 | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 11 | 12 | 13 | 14 | 13 | 13 | 12 | 12 | 14 | 13 | 16 | 16 | 13 | 14 | 14 | 12 | 13 | 14 | 13 | 13 | 14 |
Feels °C | 6 | 9 | 12 | 13 | 10 | 8 | 7 | 6 | 7 | 8 | 13 | 13 | 12 | 12 | 13 | 11 | 12 | 12 | 12 | 12 | 12 |
Swell 1 Height (m) Direction Period (s) | SSW 15 | NW 8 | WNW 7 | WNW 9 | WNW 10 | S 20 | S 18 | S 18 | SSW 18 | S 16 | NW 9 | NW 9 | NW 9 | NW 10 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 8 |
| kJ | 272 | 133 | 86 | 439 | 849 | 1707 | 1342 | 1215 | 1245 | 762 | 958 | 1291 | 840 | 612 | 437 | 415 | 397 | 323 | 365 | 354 | 313 |
Swell 2 Height (m) Direction Period (s) | SSW 26 | SSW 14 | SSW 14 | S 21 | S 20 | SSW 13 | SW 13 | SW 13 | — | WNW 14 | S 16 | S 16 | S 15 | S 14 | S 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 16 | SSW 16 |
| kJ | 131 | 268 | 261 | 1329 | 1126 | 120 | 84 | 44 | — | 82 | 743 | 724 | 441 | 429 | 508 | 336 | 236 | 290 | 232 | 346 | 346 |
Swell 3 Height (m) Direction Period (s) | S 18 | S 24 | S 23 | SW 14 | SSW 14 | WNW 18 | SSE 12 | NW 16 | — | — | WNW 11 | — | WNW 10 | WNW 10 | WNW 12 | WNW 11 | S 18 | S 18 | S 16 | SSW 13 | SSW 13 |
| kJ | 24 | 541 | 537 | 208 | 168 | 30 | 15 | 65 | — | — | 260 | — | 82 | 86 | 106 | 119 | 311 | 307 | 267 | 178 | 176 |
Wind waves Height (m) Direction Period (s) | NW 7 | — | — | — | — | WNW 10 | NW 8 | NW 8 | NW 9 | NW 9 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 472 | — | — | — | — | 1255 | 1091 | 1342 | 2384 | 1794 | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 13 | 0 | 183 | 303 | 59 | 129 | 303 | 0 | 85 | 19 | 0 | 57 | 13 | 0 | 43 | 0 | 0 | 57 | 7 |
Best forecast wave conditions in Mendocino 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 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 16 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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