Surf Forecasts:
How big are the waves at Cape Mendocino today (18 Sep):
- Morning surf: Morning surf (18 Sep, local time) - 2ft (0.6m), 20s period with SW swell.
- Afternoon surf: Afternoon surf (18 Sep, local time) - 2ft (0.6m), 19s period with SW swell.
- Evening surf: Evening surf (18 Sep, local time) - 2ft (0.6m), 19s period with SW swell.
The current surf forecast for Cape Mendocino at 11AM is: 0.6m 19s primary swell from a Southwest direction (forecast issued at 04:00am September 18). An open ocean swell of 1.3m 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 (18 Sep) | 2ft (0.6m) | 20s |
| Afternoon (18 Sep) | 2ft (0.6m) | 19s |
| Evening (18 Sep) | 2ft (0.6m) | 19s |
Table - waves today at Cape Mendocino. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 17°C on Fri afternoon, min 12°C on Fri night). Mainly fresh winds. | ||||||||||||||||||||||||
Friday 18 | Saturday 19 | Sunday 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) | NW 8 | NW 8 | SW 20 | SW 19 | SW 19 | SW 19 | SW 19 | SW 19 | SW 19 | SW 19 | SW 19 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 19 | SW 19 | SW 18 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 273 | 256 | 239 | 303 | 303 | 303 | 369 | 303 | 303 | 234 | 217 | 258 | 375 | 375 | 375 | 437 | 375 | 375 | 379 | 383 | 383 | 414 | 577 | 522 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-off | cross-off | cross | cross | cross | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross-off | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 7:07AM1.20m | 4:38PM1.55m | 8:20AM1.26m | 5:46PM1.53m | 9:05AM1.32m | 6:55PM1.55m | ||||||||||||||||||
Low Tide | 11:28PM0.24m | 11:25AM1.09m | 00:39AM0.24m | 12:52PM1.09m | 1:44AM0.22m | 2:00PM1.02m | ||||||||||||||||||
 | |  | | |  |  | | | | | | | | |  | | |  | | | | | | |
 | — | 7:00 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:21 | — | — | — | — | — | — | — | 7:20 | — | — | — | — | — | — | — | 7:17 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 13 | 13 | 15 | 17 | 16 | 13 | 12 | 12 | 12 | 12 | 15 | 16 | 15 | 13 | 12 | 13 | 13 | 13 | 15 | 16 | 15 | 13 | 13 |
Feels °C | 15 | 12 | 11 | 13 | 14 | 12 | 10 | 9 | 9 | 8 | 9 | 11 | 12 | 11 | 10 | 8 | 9 | 10 | 9 | 11 | 12 | 10 | 9 | 10 |
Swell 1 Height (m) Direction Period (s) | NW 8 | NW 8 | NW 8 | NNW 8 | SW 19 | SW 19 | SW 19 | SW 19 | SW 19 | SW 19 | SW 19 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 19 | SW 19 | SW 18 |
| kJ | 273 | 256 | 227 | 235 | 303 | 303 | 369 | 303 | 303 | 234 | 217 | 258 | 375 | 375 | 375 | 437 | 375 | 375 | 379 | 383 | 383 | 414 | 577 | 522 |
Swell 2 Height (m) Direction Period (s) | SSW 16 | SSW 15 | SSW 15 | SW 19 | S 15 | SSW 14 | S 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | NW 10 | SSW 13 | SSW 13 | NW 9 | SSW 13 | SSW 13 | SSW 13 | S 13 | S 13 | SSW 13 | S 13 | S 12 | SSW 12 |
| kJ | 137 | 126 | 169 | 303 | 109 | 120 | 109 | 116 | 111 | 66 | 62 | 37 | 60 | 60 | 40 | 58 | 58 | 35 | 55 | 54 | 32 | 50 | 27 | 50 |
Swell 3 Height (m) Direction Period (s) | SW 21 | SW 20 | SW 20 | SSW 15 | SW 14 | S 9 | SW 13 | S 9 | S 11 | WNW 10 | NW 11 | SSW 13 | SW 13 | SW 13 | SSW 13 | S 10 | S 10 | WSW 13 | WSW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 |
| kJ | 160 | 137 | 239 | 167 | 32 | 6 | 28 | 6 | 9 | 9 | 41 | 60 | 26 | 26 | 59 | 8 | 8 | 16 | 15 | 6 | 6 | 6 | 6 | 6 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 5 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 |
| kJ | — | — | — | — | 230 | 207 | 192 | 188 | 188 | 179 | 170 | 204 | 120 | 131 | 115 | 119 | 132 | 160 | 222 | 262 | 262 | 290 | 285 | 293 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 151 | 211 | 54 | 54 | 51 | 51 | 51 | 40 | 151 | 262 | 437 | 54 | 51 | 54 | 40 | 45 | 151 | 334 | 436 | 54 | 45 |
Best forecast wave conditions in Humboldt County | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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