Surf Forecasts:
How big are the waves at Cape Mendocino today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 2.5ft (0.8m), 14s period with SSW swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 2ft (0.6m), 14s period with SSW swell.
- Evening surf: Evening surf (21 Aug, local time) - 1.5ft (0.5m), 13s period with SSW swell.
The current surf forecast for Cape Mendocino at 2PM is: 0.6m 14s primary swell from a South-southwest direction and 0.7m 10s secondary swell from a West-northwest direction, 0.4m 7s secondary swell from a Northwest direction (forecast issued at 10:00am August 21). An open ocean swell of 0.8m 7s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 2.5ft (0.8m) | 14s |
| Afternoon (21 Aug) | 2ft (0.6m) | 14s |
| Evening (21 Aug) | 1.5ft (0.5m) | 13s |
Table - waves today at Cape Mendocino. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 19°C on Sat afternoon, min 13°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 23 | ||||||||||||||||||||
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 14 | WNW 11 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SW 18 | SW 17 | SSW 13 | SW 16 | SSW 15 | S 15 | SW 19 | SW 19 | NW 7 | NW 7 | SW 18 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 233 | 156 | 145 | 139 | 99 | 98 | 98 | 99 | 99 | 99 | 99 | 111 | 101 | 66 | 94 | 75 | 71 | 231 | 258 | 293 | 301 | 155 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | on | on | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | cross |
High Tide | 8:53AM1.20m | 6:30PM1.65m | 9:48AM1.27m | 7:30PM1.67m | 10:27AM1.34m | 8:25PM1.72m | ||||||||||||||||
Low Tide | 1:04PM1.05m | 2:33AM0.18m | 2:14PM1.05m | 3:24AM0.11m | 3:09PM1.01m | |||||||||||||||||
 |  |  | | |  |  | | | | | | | | | | | | | | | | |
 | 6:33 | — | — | — | — | — | — | 6:33 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — |
 | — | — | — | — | 8:06 | — | — | — | — | — | — | — | 8:05 | — | — | — | — | — | — | — | 8:02 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 16 | 16 | 16 | 14 | 14 | 14 | 14 | 15 | 18 | 19 | 18 | 16 | 14 | 13 | 13 | 14 | 16 | 17 | 16 | 14 | 13 |
Feels °C | 15 | 15 | 15 | 16 | 13 | 13 | 13 | 13 | 14 | 16 | 17 | 15 | 14 | 11 | 10 | 10 | 11 | 12 | 13 | 12 | 11 | 10 |
Swell 1 Height (m) Direction Period (s) | WNW 11 | WNW 11 | NNW 7 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 7 | WNW 10 | WNW 10 | WNW 10 | NNW 8 | SSW 12 | WNW 9 | WNW 9 | SW 19 | SW 19 | SW 18 | SW 18 | SW 18 |
| kJ | 161 | 128 | 64 | 76 | 74 | 74 | 74 | 72 | 64 | 48 | 74 | 54 | 52 | 50 | 89 | 32 | 26 | 231 | 227 | 164 | 157 | 155 |
Swell 2 Height (m) Direction Period (s) | SSW 14 | NNW 7 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | SSW 13 | SSW 13 | SSW 13 | WNW 9 | WNW 9 | SSW 15 | SSW 12 | WNW 9 | S 15 | S 16 | S 16 | S 16 |
| kJ | 233 | 42 | 115 | 83 | 82 | 80 | 78 | 77 | 75 | 54 | 99 | 98 | 66 | 47 | 47 | 75 | 50 | 26 | 72 | 76 | 77 | 77 |
Swell 3 Height (m) Direction Period (s) | NNW 7 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SW 18 | SW 18 | SW 17 | SSW 13 | SW 16 | SW 16 | S 15 | SSW 15 | SSW 12 | SSW 12 | SSW 12 | SSW 12 |
| kJ | 42 | 156 | 145 | 139 | 99 | 98 | 98 | 99 | 99 | 99 | 52 | 111 | 101 | 66 | 94 | 41 | 71 | 75 | 29 | 30 | 30 | 30 |
Wind waves Height (m) Direction Period (s) | — | — | NW 7 | NW 8 | — | — | — | — | — | — | NNW 8 | NNW 8 | NNW 8 | NNW 4 | NNW 7 | NW 7 | NNW 7 | NNW 7 | NW 7 | NW 7 | NW 7 | NW 8 |
| kJ | — | — | 17 | 23 | — | — | — | — | — | — | 72 | 72 | 72 | 10 | 96 | 126 | 142 | 178 | 258 | 293 | 301 | 358 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 0 | 152 | 438 | 438 | 0 | 0 | 0 | 0 | 0 | 0 | 75 | 436 | 54 | 40 | 51 | 51 | 51 | 244 | 294 | 54 | 45 | 40 |
Best forecast wave conditions in Humboldt County | ||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||
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