Surf Forecasts:
How big are the waves at Cape Mendocino today (31 Aug):
- Morning surf: Morning surf (31 Aug, local time) - 3.5ft (1.0m), 14s period with SSW swell.
- Afternoon surf: Afternoon surf (31 Aug, local time) - 3ft (0.9m), 14s period with SSW swell.
- Evening surf: Evening surf (31 Aug, local time) - 2.5ft (0.8m), 14s period with SSW swell.
The current surf forecast for Cape Mendocino at 11AM is: 1.0m 14s primary swell from a South-southwest direction and 1.4m 7s secondary swell from a Northwest direction (forecast issued at 04:00am August 31). The wind direction is predicted to be cross-onshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Aug) | 3.5ft (1.0m) | 14s |
| Afternoon (31 Aug) | 3ft (0.9m) | 14s |
| Evening (31 Aug) | 2.5ft (0.8m) | 14s |
Table - waves today at Cape Mendocino. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 6mm), mostly falling on Wed night. Very mild (max 17°C on Tue morning, min 14°C on Mon morning). Winds increasing (light winds from the NE on Mon night, fresh winds from the S by Wed afternoon). | ||||||||||||||||||||||||
Monday 31 | Tuesday 1 | Wednesday 2 | ||||||||||||||||||||||
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) | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | NW 10 | NW 10 | NW 10 | SSW 13 | SSW 13 | SSW 13 | SW 18 | SW 18 | WNW 9 | WNW 8 | WNW 8 | WSW 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 405 | 405 | 400 | 400 | 394 | 325 | 321 | 226 | 210 | 204 | 204 | 198 | 213 | 181 | 235 | 154 | 151 | 151 | 154 | 249 | 157 | 134 | 171 | 355 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross | cross-on | on | cross-on | cross | cross-off | off | cross-off | cross-off | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off | cross-off | cross-off |
High Tide | 1:37AM1.53m | 1:55PM1.76m | 2:34AM1.40m | 2:29PM1.80m | 3:43AM1.27m | 3:11PM1.82m | ||||||||||||||||||
Low Tide | 7:46AM0.37m | 8:32PM0.27m | 8:22AM0.55m | 9:27PM0.20m | 9:03AM0.72m | 10:30PM0.14m | ||||||||||||||||||
 |  |  | |  | | | | | | | | |  | | | | | | | | |  | | |
 | — | 6:43 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:51 | — | — | — | — | — | — | — | 7:50 | — | — | — | — | — | — | — | 7:47 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 3 |
Temp °C | 12 | 12 | 14 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 17 | 17 | 17 | 16 | 15 | 14 | 14 | 15 | 17 | 17 | 17 | 15 | 15 |
Feels °C | 10 | 10 | 13 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 13 | 14 | 14 | 14 | 13 | 12 | 11 | 11 | 11 | 12 | 12 | 13 | 11 | 12 |
Swell 1 Height (m) Direction Period (s) | NNW 8 | NW 8 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 9 | NW 9 | NW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 8 | WNW 8 | WSW 8 |
| kJ | 306 | 276 | 217 | 183 | 125 | 105 | 77 | 75 | 54 | 55 | 204 | 196 | 213 | 181 | 235 | 147 | 141 | 138 | 141 | 138 | 157 | 134 | 171 | 355 |
Swell 2 Height (m) Direction Period (s) | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SW 5 | SSW 13 | SW 18 | SSW 12 | SW 16 | SSW 12 | SSW 16 |
| kJ | 405 | 405 | 400 | 400 | 394 | 325 | 321 | 226 | 210 | 204 | 201 | 198 | 198 | 154 | 154 | 154 | 151 | 19 | 131 | 249 | 86 | 130 | 86 | 175 |
Swell 3 Height (m) Direction Period (s) | W 10 | W 10 | W 10 | W 10 | WNW 10 | W 10 | W 10 | NW 12 | NW 11 | NW 11 | SSE 14 | S 13 | S 13 | S 12 | S 12 | SSE 12 | WSW 5 | SSW 13 | SW 18 | SSW 13 | SSW 19 | SSW 12 | SW 5 | SSW 12 |
| kJ | 18 | 17 | 17 | 17 | 19 | 17 | 17 | 23 | 46 | 57 | 61 | 90 | 84 | 76 | 75 | 46 | 12 | 151 | 154 | 90 | 143 | 58 | 14 | 89 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | WNW 7 | NW 7 | — | — | — | — | SE 2 | SSE 3 | SSE 3 | SW 4 | SSW 4 | SE 3 | SSE 4 | SW 5 | S 4 | S 4 | S 4 | SSE 4 | SSW 5 |
| kJ | — | — | — | — | — | 64 | 51 | — | — | — | — | 2 | 3 | 2 | 8 | 12 | 5 | 5 | 20 | 9 | 14 | 20 | 33 | 83 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 21 | 21 | 86 | 437 | 438 | 21 | 0 | 0 | 0 | 0 | 21 | 86 | 86 | 21 | 21 | 21 | 21 | 21 | 188 | 191 | 51 | 40 | 21 |
Best forecast wave conditions in Humboldt County | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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