Surf Forecasts:
How big are the waves at Cape Mendocino today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 2.5ft (0.8m), 14s period with SSW swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 2.5ft (0.8m), 14s period with SSW swell.
- Evening surf: Evening surf (20 Aug, local time) - 2.5ft (0.8m), 14s period with SSW swell.
The current surf forecast for Cape Mendocino at 1AM is: 0.9m 15s primary swell from a South-southwest direction and 0.9m 12s secondary swell from a West-northwest direction (forecast issued at 04:00pm August 19). An open ocean swell of 1.3m 7s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 2.5ft (0.8m) | 14s |
| Afternoon (20 Aug) | 2.5ft (0.8m) | 14s |
| Evening (20 Aug) | 2.5ft (0.8m) | 14s |
Table - waves today at Cape Mendocino. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 17°C on Sat morning, min 13°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Wed 19 | Thursday 20 | Friday 21 | ||||||||||||||||||
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 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | WNW 11 | SSW 14 | SSW 13 | SSW 13 | SSW 13 |
Wave Graph  | ||||||||||||||||||||
 kJ | 305 | 305 | 309 | 314 | 314 | 309 | 242 | 233 | 223 | 223 | 229 | 233 | 236 | 236 | 233 | 156 | 145 | 139 | 99 | 98 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross |
High Tide | 4:39PM1.68m | 7:24AM1.13m | 5:31PM1.65m | 8:53AM1.20m | 6:30PM1.65m | |||||||||||||||
Low Tide | 00:23AM0.29m | 11:45AM0.99m | 1:32AM0.24m | 1:04PM1.05m | ||||||||||||||||
 | | |  | | | | |  | | | | |  | | | | | | | |
 | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:33 | — | — | — | — | — | — |
 | — | — | 8:08 | — | — | — | — | — | — | — | 8:07 | — | — | — | — | — | — | — | 8:06 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 16 | 14 | 13 | 13 | 13 | 13 | 15 | 16 | 16 | 13 | 13 | 13 | 13 | 13 | 15 | 16 | 16 | 14 | 13 |
Feels °C | 13 | 13 | 11 | 10 | 10 | 11 | 11 | 13 | 13 | 13 | 10 | 11 | 11 | 11 | 11 | 13 | 14 | 14 | 13 | 12 |
Swell 1 Height (m) Direction Period (s) | WNW 12 | WNW 11 | WNW 11 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | NNW 7 | WNW 11 | NNW 7 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | NNW 8 | NNW 8 |
| kJ | 210 | 186 | 229 | 237 | 242 | 242 | 237 | 225 | 214 | 210 | 167 | 81 | 164 | 61 | 161 | 128 | 115 | 110 | 88 | 91 |
Swell 2 Height (m) Direction Period (s) | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | WNW 11 | NNW 7 | WNW 11 | NNW 7 | SSW 14 | SSW 14 | SSW 13 | WNW 10 | WNW 10 |
| kJ | 305 | 305 | 309 | 314 | 314 | 309 | 242 | 233 | 223 | 223 | 229 | 167 | 61 | 164 | 62 | 156 | 145 | 139 | 83 | 80 |
Swell 3 Height (m) Direction Period (s) | SW 21 | SW 21 | S 10 | S 9 | — | SW 21 | NW 6 | SW 18 | SW 19 | SW 19 | SW 19 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SW 19 | SW 18 | SW 18 | SSW 13 | SSW 13 |
| kJ | 17 | 18 | 2 | 2 | — | 18 | 47 | 54 | 56 | 58 | 59 | 233 | 236 | 236 | 233 | 55 | 82 | 109 | 99 | 98 |
Wind waves Height (m) Direction Period (s) | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 6 | NW 6 | NW 6 | NW 6 | NNW 6 | — | — | — | — | NNW 7 | NNW 7 | NNW 7 | — | — |
| kJ | 286 | 270 | 229 | 204 | 163 | 138 | 56 | 88 | 98 | 88 | 69 | — | — | — | — | 61 | 62 | 86 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 151 | 54 | 54 | 45 | 40 | 40 | 51 | 151 | 151 | 134 | 51 | 51 | 51 | 51 | 40 | 151 | 151 | 151 | 54 | 21 |
Best forecast wave conditions in Humboldt County | ||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||
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