Surf Forecasts:
How big are the waves at Cape Mendocino today (18 Jun):
- Morning surf: Morning surf (18 Jun, local time) - 3.5ft (1.1m), 17s period with SW swell.
- Afternoon surf: Afternoon surf (18 Jun, local time) - 3.5ft (1.0m), 16s period with SW swell.
- Evening surf: Evening surf (18 Jun, local time) - 3.5ft (1.0m), 16s period with SW swell.
The current surf forecast for Cape Mendocino at 4AM is: 1.2m 17s primary swell from a Southwest direction (forecast issued at 10:00pm June 17). An open ocean swell of 2.5m 10s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jun) | 3.5ft (1.1m) | 17s |
| Afternoon (18 Jun) | 3.5ft (1.0m) | 16s |
| Evening (18 Jun) | 3.5ft (1.0m) | 16s |
Table - waves today at Cape Mendocino. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 15°C on Fri afternoon, min 11°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Wed 17 | Thursday 18 | Friday 19 | Saturday 20 | |||||||||||||||||||||
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 | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SW 18 | SW 18 | SW 18 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 14 | SSW 18 | SSW 14 | SSW 18 | SW 14 | SW 14 | SW 15 | SSW 16 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 790 | 790 | 781 | 874 | 711 | 677 | 508 | 508 | 502 | 496 | 489 | 565 | 477 | 459 | 435 | 503 | 350 | 352 | 362 | 348 | 297 | 297 | 489 | 641 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross | cross-off | cross | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross | cross | cross | cross-on | cross-on | glassy | cross-off | cross-off | cross-off | cross | cross | cross | cross |
High Tide | 1:27AM1.91m | 3:45PM1.53m | 2:24AM1.73m | 4:32PM1.58m | 3:26AM1.53m | |||||||||||||||||||
Low Tide | 7:59PM0.85m | 8:51AM-0.43m | 9:05PM0.80m | 9:40AM-0.26m | 10:18PM0.73m | 10:29AM-0.06m | ||||||||||||||||||
 |  | | |  | | |  | |  | | | | | | | | | | | | | | | |
 | — | — | — | 5:47 | — | — | — | — | — | — | — | 5:47 | — | — | — | — | — | — | — | 5:47 | — | — | — | — |
 | 8:50 | — | — | — | — | — | — | — | 8:50 | — | — | — | — | — | — | — | 8:50 | — | — | — | — | — | — | 8:51 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 12 | 12 | 12 | 13 | 14 | 14 | 14 | 13 | 11 | 11 | 12 | 12 | 14 | 15 | 14 | 13 | 12 | 12 | 11 | 12 | 14 | 14 | 14 |
Feels °C | 11 | 11 | 9 | 10 | 11 | 12 | 12 | 13 | 12 | 10 | 9 | 11 | 10 | 12 | 13 | 13 | 13 | 11 | 11 | 9 | 9 | 10 | 9 | 9 |
Swell 1 Height (m) Direction Period (s) | NNW 9 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | SW 15 | SSW 16 |
| kJ | 1026 | 1150 | 1093 | 1093 | 1139 | 1139 | 1037 | 903 | 719 | 704 | 632 | 559 | 604 | 591 | 508 | 508 | 508 | 519 | 622 | 615 | 615 | 516 | 489 | 641 |
Swell 2 Height (m) Direction Period (s) | SW 18 | SW 18 | SW 18 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SSW 14 | SW 14 | SW 14 | SW 14 | S 12 | S 12 |
| kJ | 790 | 790 | 781 | 874 | 711 | 677 | 508 | 508 | 502 | 496 | 489 | 565 | 477 | 459 | 435 | 503 | 350 | 301 | 362 | 297 | 297 | 297 | 67 | 42 |
Swell 3 Height (m) Direction Period (s) | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | WNW 10 | WNW 10 |
| kJ | 264 | 264 | 264 | 257 | 249 | 180 | 170 | 167 | 165 | 165 | 165 | 162 | 162 | 157 | 110 | 105 | 276 | 352 | 273 | 348 | 243 | 240 | 20 | 20 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NNW 10 | NNW 9 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 578 | 554 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 40 | 21 | 21 | 0 | 21 | 152 | 51 | 51 | 21 | 0 | 0 | 21 | 21 | 51 | 75 | 51 | 0 | 0 | 0 | 0 | 51 | 334 | 294 | 473 |
Best forecast wave conditions in Humboldt County | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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