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Harbor Entrance at Eureka Surf Forecast
/ CAL – Humboldt (25 breaks) / California (404 breaks) /
Surf Forecasts:
Harbor Entrance at Eureka surfForecast / CAL – Humboldt / USA
48hr Weather and Surf, issued 10 am Wednesday 15 Oct 2025 PDT
How big are the waves at Harbor Entrance at Eureka today?
The current surf forecast for Harbor Entrance at Eureka at 2PM is: 0.7m 17s primary swell from a West-northwest direction and 1.4m 8s secondary swell from a Northwest direction, 0.8m 14s secondary swell from a West-northwest direction (forecast issued at 10:00am October 15). The wind direction is predicted to be cross-shore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Oct) | 3ft (0.9m) | 15s |
| Afternoon (15 Oct) | 3ft (0.9m) | 14s |
| Evening (15 Oct) | 3ft (0.9m) | 14s |
Table - waves today at Harbor Entrance at Eureka. (Swell directed towards the surf break)
Wednesday 15 | Thursday 16 | Friday 17 | Sat 18 | |||||||||||||||||||||
| 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 | 2 AM | 5 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 15 | 15 | 17 | 14 | 14 | 14 | 16 | 16 | 16 | 14 | 15 | 15 | 15 | 8 | 8 | 8 | 8 | 14 | 13 | 20 | 18 | 18 | 17 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 377 | 443 | 267 | 437 | 357 | 337 | 229 | 402 | 326 | 419 | 449 | 522 | 522 | 566 | 536 | 504 | 491 | 397 | 373 | 500 | 1000 | 2262 | 2683 | 3512 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | cross | cross | cross | cross- off | off | cross- off | cross- off | cross- off | cross- on | cross- on | cross- on | cross- on | cross- on | glass | cross | glass | cross- on | cross- on | cross- on | cross- on | glass | off | cross |
High Tide / height (m) | 8:55AM 1.50 | 7:51PM 1.65 | 9:39AM 1.61 | 9:04PM 1.62 | 10:17AM 1.72 | 10:06PM 1.62 | ||||||||||||||||||
Low Tide / height (m) | 2:17PM 1.00 | 3:00AM 0.07 | 3:28PM 0.81 | 3:50AM 0.14 | 4:24PM 0.60 | 4:32AM 0.23 | ||||||||||||||||||
Wednesday 15 | Thursday 16 | Friday 17 | Sat 18 | |||||||||||||||||||||
| Sunrise | 7:26 | - | - | - | - | - | - | - | 7:28 | - | - | - | - | - | - | - | 7:28 | - | - | - | - | - | - | - |
| Sunset | - | - | - | 6:37 | - | - | - | - | - | - | - | 6:35 | - | - | - | - | - | - | - | 6:34 | - | - | - | - |
 | | | |  | | | | | | |  |  | | | | | | | |  | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 11 | 14 | 14 | 14 | 13 | 12 | 12 | 11 | 10 | 11 | 12 | 12 | 12 | 11 | 10 | 10 | 11 | 13 | 14 | 13 | 12 | 12 | 11 | 11 |
| Feels °C (?) | 9 | 12 | 11 | 12 | 12 | 10 | 11 | 9 | 9 | 9 | 8 | 8 | 9 | 10 | 9 | 8 | 10 | 11 | 11 | 11 | 11 | 12 | 9 | 9 |
- Map Icons:
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for CAL - Humboldt
Still cross-shore at Harbor Entrance at Eureka (moderate winds from the WSW at BUOY-NJLC1 1 km from Harbor Entrance at Eureka). 1.4m 8s swell from the NW with a 0.8m 14s groundswell from the WNW and a 0.4m 18s long period groundswell, also from the WNW. 3 swells combining to make bigger set waves.
1 h 18 min ago
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