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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 4 am Saturday 23 Aug 2025 PDT
How big are the waves at Harbor Entrance at Eureka today?
The current surf forecast for Harbor Entrance at Eureka at 8AM is: 1.4m 7s primary swell from a Northwest direction (forecast issued at 04:00am August 23). An open ocean swell of 0.7m 16s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Aug) | 4.5ft (1.4m) | 7s |
| Afternoon (23 Aug) | 4ft (1.2m) | 7s |
| Evening (23 Aug) | 4ft (1.2m) | 7s |
Table - waves today at Harbor Entrance at Eureka. (Swell directed towards the surf break)
Saturday 23 | Sunday 24 | Monday 25 | ||||||||||||||||||||||
| 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 | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
| Energy (?) | 206 | 211 | 188 | 208 | 175 | 198 | 196 | 194 | 188 | 200 | 219 | 186 | 214 | 194 | 217 | 248 | 501 | 557 | 628 | 663 | 461 | 461 | 451 | 491 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | glass | glass | on | on | cross- on | cross- on | cross- on | cross- on | glass | glass | on | on | cross- on | cross- on | cross- on | glass | cross- on | cross- on | on | on | cross- on | cross- on | cross- on |
High Tide / height (m) | 11:55PM 2.03 | 1:18PM 1.68 | 12:40AM 1.94 | 1:47PM 1.72 | 1:23AM 1.81 | 2:14PM 1.75 | ||||||||||||||||||
Low Tide / height (m) | 6:57AM -0.20 | 6:57PM 0.65 | 7:31AM -0.08 | 7:40PM 0.55 | 8:02AM 0.07 | 8:23PM 0.48 | ||||||||||||||||||
Saturday 23 | Sunday 24 | Monday 25 | ||||||||||||||||||||||
| Sunrise | - | - | 6:33 | - | - | - | - | - | - | - | 6:35 | - | - | - | - | - | - | - | 6:35 | - | - | - | - | - |
| Sunset | - | - | - | - | - | - | 8:02 | - | - | - | - | - | - | - | 8:01 | - | - | - | - | - | - | - | 8:00 | - |
 | |  |  | | | | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 12 | 12 | 13 | 15 | 15 | 15 | 13 | 13 | 13 | 13 | 14 | 15 | 15 | 14 | 13 | 13 | 13 | 14 | 13 | 15 | 15 | 15 | 14 | 14 |
| Feels °C (?) | 11 | 12 | 14 | 14 | 14 | 14 | 12 | 12 | 13 | 13 | 15 | 14 | 14 | 13 | 12 | 12 | 14 | 14 | 13 | 14 | 14 | 14 | 13 | 13 |
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Break
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
The wind is still cross-off at Harbor Entrance at Eureka (light winds from the S at BUOY-NJLC1 1 km from Harbor Entrance at Eureka). A 1.2m swell from the NW
Actual: 57 min ago
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