Surf Forecasts:
How big are the waves at Big River today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 2.5ft (0.8m), 14s period with SSW swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 2ft (0.6m), 13s period with SSW swell.
- Evening surf: Evening surf (21 Aug, local time) - 1.5ft (0.5m), 13s period with SSW swell.
The current surf forecast for Big River at 5AM is: 0.8m 14s primary swell from a South-southwest direction and 0.9m 11s secondary swell from a West-northwest direction (forecast issued at 10:00pm August 20). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 2.5ft (0.8m) | 14s |
| Afternoon (21 Aug) | 2ft (0.6m) | 13s |
| Evening (21 Aug) | 1.5ft (0.5m) | 13s |
Table - waves today at Big River. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 16°C on Sat morning, min 12°C on Thu night). Wind will be generally light. | ||||||||||||||||||
Thu 20 | Friday 21 | Saturday 22 | ||||||||||||||||
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) | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | WNW 11 | SSW 13 | WNW 10 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SW 17 | SW 18 | NW 6 |
Wave Graph  | ||||||||||||||||||
 kJ | 233 | 236 | 236 | 236 | 233 | 154 | 141 | 112 | 99 | 99 | 99 | 99 | 99 | 99 | 98 | 107 | 108 | 161 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-off | off | off | off | off | cross | cross-off | cross-off | cross-off | cross-off |
High Tide | 5:33PM1.61m | 8:50AM1.12m | 6:35PM1.61m | 9:48AM1.18m | 7:37PM1.64m | |||||||||||||
Low Tide | 1:20AM0.24m | 12:03PM1.00m | 2:21AM0.18m | 1:23PM1.01m | ||||||||||||||
 |  | | |  | |  | | |  | | | | | | | | | |
 | — | — | — | 6:33 | — | — | — | — | — | — | — | 6:33 | — | — | — | — | — | — |
 | 8:04 | — | — | — | — | — | — | — | 8:01 | — | — | — | — | — | — | — | 8:00 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 12 | 13 | 13 | 13 | 14 | 15 | 15 | 13 | 13 | 13 | 13 | 13 | 16 | 16 | 16 | 14 | 13 |
Feels °C | 11 | 11 | 13 | 13 | 13 | 12 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 14 | 13 | 13 | 13 | 12 |
Swell 1 Height (m) Direction Period (s) | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | NW 8 | WNW 10 | WNW 10 | WNW 10 | SSW 13 |
| kJ | 170 | 167 | 167 | 164 | 164 | 128 | 115 | 112 | 83 | 82 | 80 | 78 | 77 | 45 | 55 | 54 | 54 | 63 |
Swell 2 Height (m) Direction Period (s) | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | WNW 10 | SSW 13 | SSW 13 | SSW 13 | SW 17 |
| kJ | 233 | 236 | 236 | 236 | 233 | 154 | 141 | 101 | 40 | 40 | 39 | 39 | 37 | 77 | 98 | 67 | 65 | 101 |
Swell 3 Height (m) Direction Period (s) | NW 6 | NW 6 | NW 6 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 16 | SW 17 | SW 18 | WNW 10 |
| kJ | 38 | 38 | 34 | 36 | 37 | 32 | 31 | 23 | 99 | 99 | 99 | 99 | 99 | 99 | 52 | 107 | 108 | 30 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | NW 3 | NW 8 | NW 4 | NW 5 | NW 6 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 55 | 28 | 94 | 161 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 202 | 305 | 305 | 0 | 0 | 0 | 0 | 0 | 170 | 181 | 303 | 0 | 0 |
Best forecast wave conditions in Mendocino County | ||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||
Header Global | ||||||||||||||||||
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