Surf Forecasts:
How big are the waves at Big River today (31 Jul):
- Morning surf: Morning surf (31 Jul, local time) - 3ft (0.9m), 14s period with SSW swell.
- Afternoon surf: Afternoon surf (31 Jul, local time) - 6ft (1.8m), 7s period with NW swell.
- Evening surf: Evening surf (31 Jul, local time) - 7ft (2.1m), 7s period with NW swell.
The current surf forecast for Big River at 11AM is: 0.9m 14s primary swell from a South-southwest direction and 0.5m 14s secondary swell from a South direction, 1.6m 7s secondary swell from a Northwest direction (forecast issued at 10:00pm July 30). The wind direction is predicted to be cross-shore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Jul) | 3ft (0.9m) | 14s |
| Afternoon (31 Jul) | 6ft (1.8m) | 7s |
| Evening (31 Jul) | 7ft (2.1m) | 7s |
Table - waves today at Big River. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 17°C on Sat afternoon, min 11°C on Thu night). Winds increasing (light winds from the NNE on Thu night, fresh winds from the NNW by Sat afternoon). | ||||||||||||||||||
Thu 30 | Friday 31 | Saturday 1 | ||||||||||||||||
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 7 | NW 7 | NW 7 | NW 7 | SSW 14 | SSW 14 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 8 | NW 8 | NW 8 |
Wave Graph  | ||||||||||||||||||
 kJ | 552 | 552 | 377 | 263 | 301 | 301 | 246 | 321 | 420 | 449 | 331 | 321 | 308 | 335 | 610 | 1075 | 1240 | 1215 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off |
High Tide | 00:09AM1.80m | 1:50PM1.46m | 00:49AM1.71m | 2:17PM1.52m | ||||||||||||||
Low Tide | 6:12PM0.77m | 7:05AM-0.09m | 6:55PM0.72m | 7:34AM-0.00m | 7:42PM0.66m | |||||||||||||
 |  | | | | | | | | | | | | | | | | | |
 | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — |
 | 8:29 | — | — | — | — | — | — | — | 8:28 | — | — | — | — | — | — | — | 8:27 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 12 | 12 | 11 | 12 | 14 | 14 | 15 | 14 | 13 | 12 | 12 | 12 | 16 | 16 | 17 | 16 | 14 |
Feels °C | 12 | 10 | 11 | 10 | 10 | 11 | 10 | 12 | 12 | 12 | 10 | 10 | 10 | 13 | 12 | 12 | 12 | 11 |
Swell 1 Height (m) Direction Period (s) | S 16 | S 15 | SW 14 | SW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | S 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | S 13 | SSW 14 | SSW 14 | SW 14 | SSW 14 |
| kJ | 245 | 159 | 211 | 214 | 301 | 301 | 239 | 236 | 148 | 183 | 140 | 134 | 131 | 126 | 136 | 136 | 99 | 134 |
Swell 2 Height (m) Direction Period (s) | SW 15 | SW 15 | S 15 | S 15 | S 15 | S 14 | S 14 | SSE 13 | SW 15 | S 13 | S 12 | S 14 | S 14 | SSW 14 | S 13 | S 13 | S 12 | S 12 |
| kJ | 171 | 174 | 157 | 104 | 109 | 106 | 136 | 141 | 104 | 86 | 78 | 91 | 89 | 134 | 83 | 78 | 72 | 42 |
Swell 3 Height (m) Direction Period (s) | SSE 17 | SSE 16 | SSE 16 | S 15 | SW 8 | — | — | — | S 13 | S 16 | S 14 | SSE 12 | SSE 12 | SW 20 | SW 20 | SW 19 | SW 19 | S 14 |
| kJ | 57 | 86 | 83 | 115 | 3 | — | — | — | 87 | 20 | 92 | 48 | 48 | 15 | 15 | 15 | 15 | 14 |
Wind waves Height (m) Direction Period (s) | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 8 | NW 8 | NW 8 |
| kJ | 552 | 552 | 377 | 263 | 233 | 233 | 246 | 321 | 420 | 449 | 331 | 321 | 308 | 335 | 610 | 1075 | 1240 | 1215 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 23 | 0 | 0 | 0 | 0 | 129 | 202 | 304 | 0 | 0 | 0 | 0 | 0 | 129 | 202 | 303 | 303 | 202 |
Best forecast wave conditions in Mendocino County | ||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||
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