Surf Forecasts:
How big are the waves at Big River today (25 Sep):
- Morning surf: Morning surf (25 Sep, local time) - 5ft (1.6m), 10s period with NW swell.
- Afternoon surf: Afternoon surf (25 Sep, local time) - 7.5ft (2.3m), 10s period with NW swell.
- Evening surf: Evening surf (25 Sep, local time) - 10ft (3.0m), 9s period with NW swell.
The current surf forecast for Big River at 6AM is: 1.3m 10s primary swell from a Northwest direction and 0.8m 14s secondary swell from a South-southwest direction (forecast issued at 10:00pm September 24). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Sep) | 5ft (1.6m) | 10s |
| Afternoon (25 Sep) | 7.5ft (2.3m) | 10s |
| Evening (25 Sep) | 10ft (3.0m) | 9s |
Table - waves today at Big River. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 16°C on Fri morning, min 10°C on Fri night). Winds decreasing (fresh winds from the NNW on Fri afternoon, calm by Sat morning). | ||||||||||||||||||
Thu 24 | Friday 25 | Saturday 26 | ||||||||||||||||
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 11 | NW 10 | NW 10 | SSW 14 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 9 | NW 9 | NW 9 | NW 8 | NW 9 | NW 9 | NW 8 | NW 8 | NW 8 |
Wave Graph  | ||||||||||||||||||
 kJ | 453 | 355 | 335 | 260 | 450 | 692 | 936 | 1280 | 1575 | 1242 | 937 | 841 | 687 | 745 | 745 | 772 | 875 | 854 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | cross-off | cross-off | cross-off | cross | cross | cross-off | cross-off | cross-off | cross-off | glassy | glassy | cross | cross | cross-off | cross-off | cross-off |
High Tide | 10:23PM1.66m | 11:05AM1.63m | 11:08PM1.65m | 11:29AM1.73m | ||||||||||||||
Low Tide | 4:41AM0.17m | 4:59PM0.37m | 5:11AM0.24m | 5:40PM0.22m | ||||||||||||||
 |  | | |  |  | | |  | | | |  | | | | | | |
 | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:06 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 15 | 15 | 14 | 14 | 16 | 15 | 15 | 14 | 13 | 11 | 10 | 11 | 13 | 14 | 13 | 12 | 11 |
Feels °C | 13 | 13 | 14 | 13 | 13 | 13 | 11 | 9 | 10 | 9 | 9 | 9 | 10 | 11 | 11 | 10 | 10 | 10 |
Swell 1 Height (m) Direction Period (s) | NW 11 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | NW 9 | NW 8 | NW 9 | S 12 | S 13 | S 12 | SSW 12 |
| kJ | 453 | 355 | 335 | 260 | 450 | 692 | 232 | 282 | 282 | 253 | 116 | 720 | 687 | 745 | 151 | 158 | 153 | 205 |
Swell 2 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 14 | SSW 14 | SSW 14 | SSW 14 | S 10 | SW 19 | — | SSW 21 | S 13 | SSW 13 | S 13 | S 12 | SW 13 | SW 13 | SW 13 | SW 19 |
| kJ | 200 | 191 | 189 | 232 | 232 | 232 | 18 | 14 | — | 43 | 86 | 149 | 121 | 151 | 80 | 80 | 79 | 129 |
Swell 3 Height (m) Direction Period (s) | S 11 | S 11 | S 12 | S 10 | S 10 | S 11 | SW 19 | — | — | SW 18 | SW 21 | S 13 | SW 13 | SW 13 | SW 18 | SW 19 | SW 19 | W 21 |
| kJ | 22 | 22 | 24 | 17 | 8 | 23 | 15 | — | — | 12 | 18 | 85 | 83 | 82 | 114 | 126 | 129 | 9 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | NW 10 | NW 10 | NW 10 | NW 9 | NW 9 | NW 9 | — | — | NW 9 | NW 8 | NW 8 | NW 8 |
| kJ | — | — | — | — | — | — | 936 | 1280 | 1575 | 1242 | 937 | 841 | — | — | 745 | 772 | 875 | 854 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 202 | 303 | 304 | 303 | 59 | 0 | 0 | 0 | 111 | 304 | 304 | 0 | 0 |
Best forecast wave conditions in Mendocino County | ||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||
Header Global | ||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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