Surf Forecasts:
How big are the waves at Cape Mendocino today (11 Aug):
- Morning surf: Morning surf (11 Aug, local time) - 1.5ft (0.4m), 19s period with SW swell.
- Afternoon surf: Afternoon surf (11 Aug, local time) - 1.5ft (0.4m), 14s period with SW swell.
- Evening surf: Evening surf (11 Aug, local time) - 1.5ft (0.5m), 18s period with SW swell.
The current surf forecast for Cape Mendocino at 6AM is: 0.4m 19s primary swell from a Southwest direction and 0.4m 13s secondary swell from a South-southwest direction (forecast issued at 10:00pm August 10). An open ocean swell of 2.5m 8s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Aug) | 1.5ft (0.4m) | 19s |
| Afternoon (11 Aug) | 1.5ft (0.4m) | 14s |
| Evening (11 Aug) | 1.5ft (0.5m) | 18s |
Table - waves today at Cape Mendocino. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 17°C on Tue afternoon, min 12°C on Mon night). Mainly fresh winds. | ||||||||||||||||||
Mon 10 | Tuesday 11 | Wednesday 12 | ||||||||||||||||
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 | SW 20 | SW 20 | SW 19 | SW 19 | SW 19 | SW 14 | SW 18 | SW 18 | SW 18 | SSW 18 | SW 18 | SSW 18 | SSW 18 | SW 17 | SW 17 | SSW 16 | SSW 16 |
Wave Graph  | ||||||||||||||||||
 kJ | 154 | 134 | 134 | 96 | 96 | 102 | 57 | 115 | 155 | 154 | 209 | 316 | 209 | 207 | 148 | 137 | 177 | 175 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 9:39PM2.09m | 11:49AM1.53m | 10:34PM2.09m | 12:26PM1.60m | ||||||||||||||
Low Tide | 5:08AM-0.34m | 4:52PM0.79m | 5:51AM-0.32m | 5:45PM0.68m | ||||||||||||||
 |  | | | | | |  |  |  | |  | | | | | | | |
 | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — |
 | 8:22 | — | — | — | — | — | — | — | 8:20 | — | — | — | — | — | — | — | 8:19 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 12 | 12 | 12 | 13 | 16 | 17 | 17 | 15 | 14 | 14 | 13 | 13 | 15 | 15 | 16 | 15 | 14 |
Feels °C | 11 | 9 | 8 | 7 | 9 | 11 | 12 | 14 | 12 | 11 | 10 | 8 | 8 | 11 | 11 | 12 | 12 | 10 |
Swell 1 Height (m) Direction Period (s) | SSW 14 | S 14 | S 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 14 | SSW 14 | SSW 14 | SSW 18 | SW 18 | SSW 18 | SSW 18 | SW 17 | SW 17 | SSW 16 | SSW 16 |
| kJ | 154 | 93 | 90 | 59 | 59 | 102 | 57 | 115 | 118 | 118 | 209 | 316 | 209 | 207 | 148 | 137 | 177 | 175 |
Swell 2 Height (m) Direction Period (s) | SW 20 | SW 20 | SW 20 | SW 19 | SW 19 | SW 19 | SW 14 | SW 18 | SW 18 | SW 18 | WNW 8 | WNW 13 | SW 13 | SW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 |
| kJ | 136 | 134 | 134 | 96 | 96 | 95 | 52 | 113 | 155 | 154 | 40 | 33 | 28 | 44 | 67 | 68 | 68 | 68 |
Swell 3 Height (m) Direction Period (s) | S 10 | SW 16 | SW 16 | SW 14 | SW 14 | WNW 14 | SW 18 | WNW 13 | WNW 13 | WNW 13 | SW 14 | S 12 | WNW 12 | WNW 12 | WNW 12 | WNW 13 | WNW 13 | WNW 13 |
| kJ | 2 | 64 | 61 | 33 | 32 | 18 | 51 | 33 | 32 | 31 | 53 | 11 | 30 | 29 | 30 | 32 | 33 | 33 |
Wind waves Height (m) Direction Period (s) | NNW 8 | NNW 9 | NNW 9 | NNW 9 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 |
| kJ | 837 | 867 | 1083 | 965 | 817 | 817 | 857 | 770 | 789 | 688 | 785 | 848 | 736 | 636 | 575 | 491 | 480 | 627 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 40 | 45 | 41 | 40 | 40 | 219 | 54 | 522 | 40 | 54 | 54 | 54 | 54 | 219 | 289 | 54 | 100 | 54 |
Best forecast wave conditions in Humboldt County | ||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||
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