
Surf Forecasts:
How big are the waves at Big River today (17 Sep):
- Morning surf: Morning surf (17 Sep, local time) - 4.5ft (1.4m), 8s period with NW swell.
- Afternoon surf: Afternoon surf (17 Sep, local time) - 4.5ft (1.3m), 8s period with NW swell.
- Evening surf: Evening surf (17 Sep, local time) - 4.5ft (1.3m), 8s period with NW swell.
The current surf forecast for Big River at 8AM is: 1.4m 8s primary swell from a Northwest direction and 0.5m 11s secondary swell from a Northwest direction (forecast issued at 04:00am September 17). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Sep) | 4.5ft (1.4m) | 8s |
| Afternoon (17 Sep) | 4.5ft (1.3m) | 8s |
| Evening (17 Sep) | 4.5ft (1.3m) | 8s |
Table - waves today at Big River. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 17°C on Thu morning, min 11°C on Sat morning). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 17 | Friday 18 | Saturday 19 | ||||||||||||||||||||||
2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | |
Swell Height Map | ||||||||||||||||||||||||
Wave Height (m) Direction Period (s) | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | SW 20 | SW 19 | SW 19 | SW 19 | NW 8 | NW 7 | SW 19 | SW 19 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 |
Wave Graph | ||||||||||||||||||||||||
319 | 299 | 277 | 306 | 244 | 244 | 219 | 196 | 196 | 177 | 239 | 303 | 303 | 303 | 303 | 303 | 240 | 231 | 208 | 255 | 375 | 375 | 375 | 400 | |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | on | on | on | glassy | glassy | off | off | off | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-off | cross-off |
High Tide | 5:16AM1.16m | 3:35PM1.58m | 6:55AM1.15m | 4:35PM1.52m | 8:15AM1.19m | 5:49PM1.50m | ||||||||||||||||||
Low Tide | 9:11AM0.95m | 11:17PM0.25m | 10:14AM1.03m | 00:28AM0.25m | 11:47AM1.05m | |||||||||||||||||||
— | 6:56 | — | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — | |
— | — | — | — | — | 7:20 | — | — | — | — | — | — | — | 7:19 | — | — | — | — | — | — | — | 7:16 | — | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 14 | 13 | 17 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 16 | 15 | 14 | 13 | 13 | 12 | 12 | 11 | 14 | 14 | 13 | 12 | 12 |
Feels °C | 14 | 13 | 11 | 15 | 14 | 14 | 15 | 14 | 13 | 13 | 13 | 14 | 13 | 12 | 12 | 13 | 11 | 11 | 10 | 11 | 11 | 11 | 10 | 11 |
Swell 1 Height (m) Direction Period (s) | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | SW 19 | SW 19 | SW 19 | SW 19 | SW 19 | WNW 7 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 |
319 | 299 | 277 | 306 | 244 | 244 | 219 | 196 | 196 | 177 | 177 | 156 | 156 | 303 | 303 | 303 | 236 | 231 | 91 | 255 | 375 | 375 | 375 | 370 | |
Swell 2 Height (m) Direction Period (s) | SSW 18 | SSW 18 | NW 11 | S 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SW 19 | SW 19 | SSW 14 | S 15 | SSW 14 | SSW 14 | SSW 14 | SW 18 | SSW 13 | SSW 13 | S 13 | SSW 13 | SSW 13 |
103 | 102 | 55 | 135 | 198 | 198 | 196 | 191 | 126 | 123 | 167 | 303 | 303 | 120 | 109 | 70 | 107 | 62 | 208 | 59 | 69 | 90 | 59 | 58 | |
Swell 3 Height (m) Direction Period (s) | SW 14 | SW 14 | S 17 | SW 21 | SW 21 | SW 21 | SW 21 | SW 21 | SW 21 | SW 20 | SW 20 | SSW 15 | SSW 14 | SSE 9 | SW 13 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NW 10 | NW 10 | S 10 | S 10 |
71 | 71 | 151 | 160 | 160 | 160 | 162 | 162 | 160 | 144 | 239 | 167 | 165 | 7 | 28 | 14 | 14 | 14 | 35 | 21 | 28 | 16 | 8 | 8 | |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | NW 8 | NW 8 | NW 7 | NW 7 | NW 7 | NNW 6 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 |
— | — | — | — | — | — | — | — | — | — | — | — | — | 201 | 284 | 292 | 240 | 189 | 73 | 138 | 189 | 263 | 355 | 400 | |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 36 | 57 | 13 | 0 | 0 | 0 | 0 | 0 | 160 | 202 | 82 | 19 | 0 | 0 | 0 | 0 | 160 | 183 | 277 | 0 | 0 |
Best forecast wave conditions in Mendocino County | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)












