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Surf Forecasts:
Big River surfForecast / CAL – Mendocino County / USA
Forecast 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
11.1° C
(Which is 1.4°C colder than average for this time of year)Big River surf forecast from 2 Jun 2026:
- Best quality surf: Thursday 4 Jun, 8AM (local time) - 8ft (2.5m), 8s period, NW swell with cross-offshore winds.
- Most powerful swell: Thursday 4 Jun, 8PM (local time) - 11ft (3.5m), 9s period, NW swell with 1,887 kJ wave energy.
- Next surfable swell (1★+): Tuesday 2 Jun, 11PM (local time) - 3.5ft (1.0m), 16s period with SSW 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 Tuesday (Jun 02) at 11PM. The primary swell is predicted to be 1.0m and 16s period with a secondary swell of 0.2m and 21s. Another secondary swell of 1.8m and 7s 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 3.5m 9s and forecast to arrive on Thursday (Jun 04) at 8PM. 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+) | 11PM (Tue 2nd Jun) | 3.5ft (1.0m) 16s |
| Best Surf | 8AM (Thu 4th Jun) | 8ft (2.5m) 8s |
| Most Powerful | 8PM (Thu 4th Jun) | 11ft (3.5m) 9s |
Table - best surf conditions forecast for Big River over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 14°C on Wed morning, min 9°C on Wed night). Winds increasing (calm on Mon night, fresh winds from the NNW by Thu afternoon). | Days 5-7 Weather SummaryMostly dry. Very mild (max 12°C on Fri morning, min 9°C on Thu night). Winds decreasing (strong winds from the NW on Sat afternoon, light winds from the NNW by Sun morning). | ||||||||||||||||||||
Tuesday 2 | Wednesday 3 | Thursday 4 | Friday 5 | Saturday 6 | Sunday 7 | Mon 8 | |||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | |
Swell Height Map | |||||||||||||||||||||
SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | NW 7 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | SSW 17 | NW 10 | NW 7 | NW 8 | NW 8 | NW 8 | NW 9 | NW 9 | S 23 | |
742 | 559 | 539 | 525 | 382 | 283 | 799 | 1009 | 1662 | 1336 | 1003 | 1323 | 789 | 919 | 735 | 717 | 885 | 976 | 745 | 595 | 537 | |
Wind (km/h) | |||||||||||||||||||||
glassy | cross | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off | cross | cross | cross-off | on | cross | |
High Tide | 00:01AM1.73m | 2:41PM1.19m | 00:37AM1.68m | 3:24PM1.19m | 1:15AM1.62m | 4:08PM1.21m | 1:57AM1.54m | 4:50PM1.25m | 2:45AM1.43m | 5:28PM1.31m | 3:44AM1.30m | 6:02PM1.40m | 4:58AM1.18m | 6:35PM1.50m | |||||||
Low Tide | 7:28AM-0.23m | 6:36PM0.90m | 8:06AM-0.20m | 7:20PM0.92m | 8:46AM-0.15m | 8:12PM0.93m | 9:26AM-0.09m | 9:16PM0.92m | 10:06AM-0.02m | 10:31PM0.87m | 10:46AM0.08m | 11:47PM0.74m | 11:29AM0.20m | ||||||||
— | 5:50 | — | — | 5:48 | — | — | 5:48 | — | — | 5:48 | — | — | 5:48 | — | — | 5:48 | — | — | 5:48 | — | |
8:35 | — | 8:36 | — | — | 8:37 | — | — | 8:37 | — | — | 8:37 | — | — | 8:37 | — | — | 8:38 | — | — | 8:39 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 11 | 12 | 12 | 10 | 14 | 13 | 12 | 12 | 12 | 11 | 12 | 12 | 12 | 12 | 12 | 11 | 12 | 11 | 11 | 12 | 12 |
9 | 10 | 9 | 8 | 9 | 8 | 7 | 7 | 6 | 6 | 6 | 5 | 6 | 6 | 4 | 4 | 8 | 7 | 9 | 10 | 9 | |
Swell 1 Height (m) Direction Period (s) | WNW 9 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SW 14 | SSW 18 | SSW 19 | SSW 19 | SSW 18 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | NW 9 | NW 9 | NW 8 |
255 | 559 | 539 | 525 | 382 | 283 | 211 | 520 | 1135 | 750 | 943 | 943 | 789 | 700 | 683 | 525 | 512 | 358 | 745 | 595 | 398 | |
Swell 2 Height (m) Direction Period (s) | NNW 8 | WNW 9 | WNW 9 | SSW 22 | WNW 12 | WNW 11 | SSW 18 | SW 15 | S 12 | SSW 16 | S 13 | S 13 | S 12 | S 12 | S 12 | S 16 | W 19 | S 16 | SSW 15 | SSW 14 | SW 14 |
157 | 101 | 49 | 45 | 81 | 173 | 276 | 217 | 3 | 220 | 3 | 3 | 3 | 3 | 3 | 20 | 7 | 47 | 272 | 268 | 211 | |
Swell 3 Height (m) Direction Period (s) | SSW 17 | S 14 | SW 22 | S 14 | SSW 19 | SSW 19 | SSW 21 | S 12 | — | WNW 11 | — | — | — | — | — | S 19 | W 19 | S 15 | SSW 26 | S 24 | S 23 |
742 | 16 | 18 | 16 | 214 | 251 | 256 | 3 | — | 40 | — | — | — | — | — | 27 | 7 | 17 | 131 | 541 | 537 | |
Wind waves Height (m) Direction Period (s) | — | NW 6 | NW 7 | NW 7 | NW 6 | NW 6 | NW 7 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 7 | NW 10 | NW 7 | NW 8 | NW 8 | NW 8 | — | — | — |
— | 116 | 159 | 267 | 115 | 149 | 799 | 1009 | 1662 | 1336 | 1003 | 1323 | 656 | 919 | 735 | 717 | 885 | 976 | — | — | — | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 202 | 273 | 0 | 202 | 304 | 59 | 183 | 303 | 59 | 202 | 304 | 59 | 303 | 305 | 59 | 303 | 304 | 0 | 277 | 82 |
Best forecast wave conditions in Mendocino County | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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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.












