Surf Forecasts:
How big are the waves at Cape Mendocino today (09 Sep):
- Morning surf: Morning surf (09 Sep, local time) - 2.5ft (0.8m), 11s period with S swell.
- Afternoon surf: Afternoon surf (09 Sep, local time) - 2ft (0.6m), 19s period with SSW swell.
- Evening surf: Evening surf (09 Sep, local time) - 2.5ft (0.7m), 18s period with SW swell.
The current surf forecast for Cape Mendocino at 3AM is: 0.8m 12s primary swell from a South direction (forecast issued at 10:00pm September 08). An open ocean swell of 1.3m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Sep) | 2.5ft (0.8m) | 11s |
| Afternoon (09 Sep) | 2ft (0.6m) | 19s |
| Evening (09 Sep) | 2.5ft (0.7m) | 18s |
Table - waves today at Cape Mendocino. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 25°C on Wed afternoon, min 13°C on Thu night). Wind will be generally light. | ||||||||||||||||||
Tue 8 | Wednesday 9 | Thursday 10 | ||||||||||||||||
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) | S 12 | S 12 | S 12 | SW 19 | S 11 | S 11 | SSW 19 | SW 19 | SW 18 | SW 18 | SW 18 | SW 17 | SW 17 | SW 17 | SSW 17 | SW 17 | SW 17 | SW 16 |
Wave Graph  | ||||||||||||||||||
 kJ | 362 | 290 | 174 | 179 | 157 | 196 | 251 | 368 | 312 | 312 | 312 | 309 | 434 | 419 | 493 | 553 | 540 | 515 |
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 | cross-off | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 9:37PM1.94m | 11:11AM1.64m | 10:32PM1.91m | 11:44AM1.71m | ||||||||||||||
Low Tide | 4:44AM-0.12m | 4:49PM0.56m | 5:23AM-0.05m | 5:37PM0.42m | ||||||||||||||
 | | | |  | | | | |  | |  |  |  | | | | | |
 | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 7:37 | — | — | — | — | — | — | — | 7:35 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 19 | 19 | 20 | 21 | 24 | 25 | 22 | 20 | 19 | 17 | 16 | 16 | 18 | 18 | 17 | 15 | 14 |
Feels °C | 16 | 17 | 16 | 17 | 19 | 21 | 21 | 18 | 16 | 16 | 14 | 13 | 13 | 16 | 15 | 13 | 12 | 11 |
Swell 1 Height (m) Direction Period (s) | NNW 7 | NNW 7 | NNW 7 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | SW 19 | SW 18 | NNW 7 | WNW 12 | NW 12 | WNW 12 | SW 17 | SSW 17 | SW 17 | SW 17 | SW 16 |
| kJ | 155 | 160 | 193 | 232 | 238 | 238 | 204 | 368 | 312 | 157 | 184 | 202 | 239 | 419 | 493 | 553 | 540 | 515 |
Swell 2 Height (m) Direction Period (s) | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | S 11 | NW 13 | WNW 12 | SW 18 | SW 17 | SW 17 | WNW 11 | NW 11 | NW 11 | NW 11 | WNW 10 |
| kJ | 362 | 290 | 174 | 160 | 157 | 196 | 189 | 110 | 162 | 187 | 312 | 309 | 434 | 157 | 117 | 115 | 115 | 141 |
Swell 3 Height (m) Direction Period (s) | SW 18 | SW 18 | SSW 14 | SW 19 | SW 16 | SW 16 | SSW 19 | WNW 13 | S 10 | SW 18 | S 10 | S 10 | SSW 11 | S 11 | S 10 | S 10 | S 11 | S 11 |
| kJ | 112 | 113 | 105 | 179 | 132 | 132 | 251 | 69 | 74 | 312 | 94 | 64 | 43 | 81 | 45 | 45 | 125 | 110 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | NNW 8 | NNW 7 | — | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 8 | NNW 8 | NNW 8 | NNW 8 |
| kJ | — | — | — | — | — | — | — | 199 | 157 | — | 169 | 188 | 188 | 250 | 302 | 392 | 421 | 364 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 51 | 0 | 0 | 0 | 0 | 114 | 151 | 54 | 51 | 51 | 51 | 51 | 40 | 151 | 151 | 51 | 52 | 51 |
Best forecast wave conditions in Humboldt County | ||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||
Header Global | ||||||||||||||||||
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Live Wave Height (m)
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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