Surf Forecasts:
How big are the waves at Cape Mendocino today (17 Sep):
- Morning surf: Morning surf (17 Sep, local time) - 5.5ft (1.7m), 8s period with NW swell.
- Afternoon surf: Afternoon surf (17 Sep, local time) - 5ft (1.6m), 8s period with NW swell.
- Evening surf: Evening surf (17 Sep, local time) - 4.5ft (1.4m), 8s period with NW swell.
The current surf forecast for Cape Mendocino at 4AM is: 1.9m 8s primary swell from a Northwest direction and 0.4m 18s secondary swell from a South-southwest direction (forecast issued at 10:00pm September 16). The wind direction is predicted to be cross-offshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Sep) | 5.5ft (1.7m) | 8s |
| Afternoon (17 Sep) | 5ft (1.6m) | 8s |
| Evening (17 Sep) | 4.5ft (1.4m) | 8s |
Table - waves today at Cape Mendocino. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 18°C on Thu afternoon, min 12°C on Wed night). Wind will be generally light. | ||||||||||||||||||
Wed 16 | Thursday 17 | Friday 18 | ||||||||||||||||
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) | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | SW 20 | SW 19 | SW 19 | SW 19 | SW 19 | SW 19 |
Wave Graph  | ||||||||||||||||||
 kJ | 463 | 445 | 456 | 498 | 418 | 355 | 322 | 291 | 266 | 273 | 273 | 256 | 256 | 303 | 303 | 303 | 369 | 303 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-on | cross-off | cross-off | off | cross-off | cross-off | cross | cross | cross | cross | cross-off |
High Tide | 5:28AM1.19m | 3:40PM1.60m | 7:07AM1.20m | 4:38PM1.55m | ||||||||||||||
Low Tide | 10:23PM0.21m | 10:03AM1.02m | 11:28PM0.24m | 11:25AM1.09m | ||||||||||||||
 | | |  |  | | | | | | | | | | | | | | |
 | — | — | — | 6:58 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 7:22 | — | — | — | — | — | — | — | 7:21 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 12 | 12 | 13 | 13 | 16 | 18 | 17 | 15 | 14 | 14 | 13 | 14 | 16 | 17 | 16 | 13 | 12 |
Feels °C | 14 | 10 | 9 | 10 | 10 | 13 | 15 | 16 | 15 | 14 | 14 | 11 | 12 | 13 | 14 | 12 | 10 | 9 |
Swell 1 Height (m) Direction Period (s) | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | SW 19 | SW 19 | SW 19 | SW 19 | SW 19 |
| kJ | 463 | 445 | 456 | 498 | 418 | 355 | 322 | 291 | 266 | 273 | 273 | 256 | 256 | 303 | 303 | 303 | 369 | 303 |
Swell 2 Height (m) Direction Period (s) | SSW 17 | SSW 18 | SSW 18 | SSW 18 | S 18 | S 17 | S 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | S 15 | SSW 14 | S 15 | S 15 |
| kJ | 267 | 270 | 104 | 103 | 156 | 147 | 135 | 198 | 198 | 196 | 137 | 126 | 169 | 167 | 109 | 120 | 109 | 109 |
Swell 3 Height (m) Direction Period (s) | NW 11 | WNW 11 | SW 14 | SW 14 | SW 21 | SW 21 | SW 21 | SW 21 | SW 21 | SW 21 | SW 21 | SW 20 | SW 20 | SSE 9 | SW 14 | S 11 | SW 13 | SW 13 |
| kJ | 31 | 47 | 71 | 71 | 160 | 160 | 160 | 160 | 162 | 162 | 160 | 137 | 239 | 8 | 32 | 9 | 28 | 28 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | SE 2 | SSE 3 | — | — | — | — | — | — | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 |
| kJ | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | 235 | 261 | 237 | 237 | 188 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 0 | 0 | 21 | 21 | 21 | 21 | 152 | 51 | 0 | 0 | 0 | 0 | 0 | 211 | 316 | 54 | 54 | 51 |
Best forecast wave conditions in Humboldt County | ||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||
Header Global | ||||||||||||||||||
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