Surf Forecasts:
How big are the waves at Harbor Entrance at Eureka today (22 Sep):
- Morning surf: Morning surf (22 Sep, local time) - 5ft (1.6m), 13s period with NW swell.
- Afternoon surf: Afternoon surf (22 Sep, local time) - 5.5ft (1.7m), 12s period with WNW swell.
- Evening surf: Evening surf (22 Sep, local time) - 5ft (1.6m), 12s period with WNW swell.
The current surf forecast for Harbor Entrance at Eureka at 12AM is: 1.3m 14s primary swell from a Northwest direction and 0.9m 17s secondary swell from a Southwest direction, 1.4m 7s secondary swell from a North-northwest direction (forecast issued at 04:00pm September 21). The wind direction is predicted to be onshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Sep) | 5ft (1.6m) | 13s |
| Afternoon (22 Sep) | 5.5ft (1.7m) | 12s |
| Evening (22 Sep) | 5ft (1.6m) | 12s |
Table - waves today at Harbor Entrance at Eureka. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 15°C on Thu morning, min 12°C on Tue night). Wind will be generally light. | ||||||||||||||||||||
Mon 21 | Tuesday 22 | Wednesday 23 | ||||||||||||||||||
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) | SW 17 | SW 17 | SW 17 | NW 14 | NW 13 | NW 13 | NW 13 | NW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | NW 11 | NW 11 |
Wave Graph  | ||||||||||||||||||||
 kJ | 487 | 482 | 487 | 529 | 651 | 841 | 803 | 742 | 795 | 734 | 647 | 686 | 573 | 517 | 450 | 396 | 396 | 403 | 503 | 766 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-on | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-off | cross | cross | cross-on | cross-on | cross-on | cross | glassy |
High Tide | 8:37PM1.62m | 10:36AM1.42m | 9:33PM1.68m | 11:03AM1.52m | 10:22PM1.73m | |||||||||||||||
Low Tide | 2:58PM1.08m | 3:57AM0.16m | 3:54PM0.94m | 4:37AM0.12m | 4:41PM0.77m | |||||||||||||||
 | |  | | |  | | | | |  | | | |  | | | | | | |
 | — | — | — | — | — | 7:03 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — |
 | — | 7:15 | — | — | — | — | — | — | — | 7:14 | — | — | — | — | — | — | — | 7:12 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 13 | 12 | 12 | 12 | 14 | 14 | 14 | 12 | 12 |
Feels °C | 11 | 10 | 12 | 13 | 12 | 12 | 12 | 11 | 12 | 11 | 12 | 11 | 11 | 11 | 11 | 12 | 11 | 10 | 10 | 12 |
Swell 1 Height (m) Direction Period (s) | SW 17 | SW 17 | NNW 6 | NW 14 | NW 13 | NW 13 | NW 13 | NW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | NW 11 | NW 11 |
| kJ | 487 | 482 | 114 | 529 | 651 | 841 | 803 | 742 | 795 | 734 | 647 | 686 | 573 | 517 | 450 | 396 | 396 | 403 | 503 | 766 |
Swell 2 Height (m) Direction Period (s) | WNW 8 | WNW 8 | NW 15 | SW 17 | SW 17 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | NNW 6 | SW 15 |
| kJ | 47 | 45 | 380 | 482 | 476 | 470 | 459 | 318 | 306 | 302 | 302 | 371 | 427 | 427 | 302 | 302 | 299 | 284 | 96 | 258 |
Swell 3 Height (m) Direction Period (s) | SSW 12 | NW 16 | SW 17 | WNW 8 | WNW 8 | WNW 8 | WNW 7 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | SW 15 | S 11 |
| kJ | 30 | 165 | 487 | 55 | 55 | 47 | 31 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 2 | 2 | 266 | 2 |
Wind waves Height (m) Direction Period (s) | NNW 6 | NNW 6 | N 6 | NNW 7 | NNW 7 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 7 | NNW 7 | NNW 7 | NNW 6 | NNW 7 | NNW 7 | NNW 6 | NNW 6 | — | N 6 |
| kJ | 145 | 149 | 37 | 144 | 189 | 146 | 136 | 187 | 181 | 176 | 254 | 237 | 268 | 203 | 222 | 199 | 132 | 93 | — | 38 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 637 | 324 | 18 | 0 | 4 | 18 | 18 | 112 | 362 | 465 | 362 | 18 | 0 | 18 | 18 | 85 | 292 | 292 | 18 | 0 |
Best forecast wave conditions in Humboldt County | ||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||
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