
Surf Forecasts:
How big are the waves at Cape Mendocino today (18 Jul):
- Morning surf: Morning surf (18 Jul, local time) - 3ft (0.9m), 16s period with WNW swell.
- Afternoon surf: Afternoon surf (18 Jul, local time) - 2.5ft (0.8m), 18s period with SW swell.
- Evening surf: Evening surf (18 Jul, local time) - 2.5ft (0.8m), 18s period with SW swell.
The current surf forecast for Cape Mendocino at 12PM is: 0.9m 16s primary swell from a West-northwest direction and 0.8m 17s secondary swell from a Southwest direction, 1.5m 7s secondary swell from a Northwest direction (forecast issued at 04:00am July 18). The wind direction is predicted to be cross-onshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jul) | 3ft (0.9m) | 16s |
| Afternoon (18 Jul) | 2.5ft (0.8m) | 18s |
| Evening (18 Jul) | 2.5ft (0.8m) | 18s |
Table - waves today at Cape Mendocino. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 16°C on Sat afternoon, min 12°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | ||||||||||||||||||||||
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 | 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) | WNW 16 | WNW 16 | WNW 16 | WNW 16 | WNW 16 | SW 18 | SW 18 | NW 8 | NW 8 | WNW 16 | WNW 15 | NW 8 | SW 16 | SW 17 | SW 17 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 |
Wave Graph | ||||||||||||||||||||||||
463 | 457 | 452 | 452 | 362 | 375 | 388 | 359 | 423 | 344 | 270 | 527 | 314 | 434 | 505 | 434 | 419 | 326 | 314 | 261 | 255 | 362 | 362 | 362 | |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross-on | cross | cross | cross | cross | cross | cross-on | glassy | cross-on | cross-on | cross | cross | cross | cross | cross-on | on | glassy | glassy | on | cross-on | glassy |
High Tide | 2:11AM1.69m | 3:40PM1.69m | 3:10AM1.48m | 4:20PM1.72m | 4:18AM1.27m | 5:00PM1.73m | ||||||||||||||||||
Low Tide | 9:05AM-0.04m | 9:49PM0.58m | 9:47AM0.18m | 10:56PM0.49m | 10:31AM0.41m | |||||||||||||||||||
— | 6:01 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | |
— | — | — | — | — | — | 8:44 | — | — | — | — | — | — | — | 8:44 | — | — | — | — | — | — | — | 8:43 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 12 | 13 | 15 | 16 | 16 | 14 | 13 | 12 | 12 | 14 | 15 | 16 | 15 | 14 | 13 | 13 | 13 | 14 | 15 | 16 | 14 | 14 | 13 |
Feels °C | 9 | 9 | 11 | 12 | 13 | 12 | 10 | 10 | 10 | 11 | 14 | 13 | 14 | 12 | 11 | 11 | 12 | 12 | 13 | 15 | 16 | 14 | 14 | 13 |
Swell 1 Height (m) Direction Period (s) | WNW 16 | WNW 16 | WNW 16 | WNW 16 | WNW 16 | WNW 16 | WNW 16 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NW 8 | NW 8 | NNW 8 | NW 8 | NW 8 |
463 | 457 | 452 | 452 | 362 | 353 | 353 | 359 | 423 | 485 | 485 | 527 | 497 | 509 | 554 | 554 | 525 | 481 | 469 | 428 | 428 | 365 | 330 | 297 | |
Swell 2 Height (m) Direction Period (s) | NW 12 | NW 12 | SW 17 | SW 17 | SW 17 | SW 18 | SW 18 | WNW 16 | WNW 16 | WNW 16 | WNW 15 | WNW 15 | SW 16 | SW 17 | SW 17 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 |
69 | 108 | 241 | 358 | 362 | 375 | 388 | 348 | 348 | 344 | 270 | 259 | 314 | 434 | 505 | 434 | 419 | 326 | 314 | 261 | 255 | 362 | 362 | 362 | |
Swell 3 Height (m) Direction Period (s) | SW 14 | SW 14 | NW 11 | NW 11 | NW 11 | WNW 10 | SW 13 | SW 19 | SW 16 | SW 14 | SW 16 | SW 16 | WNW 15 | WNW 14 | WNW 14 | WNW 14 | WNW 14 | WNW 14 | WNW 14 | WNW 14 | WNW 14 | S 13 | S 13 | S 13 |
132 | 132 | 75 | 94 | 90 | 72 | 61 | 278 | 132 | 65 | 201 | 201 | 246 | 239 | 163 | 163 | 163 | 163 | 160 | 160 | 111 | 176 | 222 | 215 | |
Wind waves Height (m) Direction Period (s) | NNW 6 | NNW 6 | NW 6 | NW 7 | NW 7 | NW 7 | NW 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
104 | 109 | 123 | 183 | 233 | 258 | 322 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 40 | 40 | 40 | 151 | 151 | 51 | 51 | 40 | 40 | 21 | 0 | 51 | 83 | 51 | 51 | 40 | 51 | 45 | 86 | 0 | 0 | 51 | 21 | 0 |
Best forecast wave conditions in Humboldt County | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)












