Surf Forecasts:
Harbor Entrance at Eureka surf forecast from 1 Nov 2026:
- Best quality surf: Friday 6 Nov, 4PM (local time) - 15ft (4.5m), 19s period, WNW swell with cross-onshore winds.
- Most powerful swell: Friday 6 Nov, 7PM (local time) - 16ft (5.0m), 18s period, WNW swell with 18,481 kJ wave energy.
- Next surfable swell (1★+): Sunday 1 Nov, 7PM (local time) - 3.5ft (1.1m), 21s period with WNW swell.
Best Forecast Surf Conditions for Harbor Entrance at Eureka this week:
The surf forecast for Harbor Entrance at Eureka over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Nov 01) at 7PM. The primary swell is predicted to be 1.1m and 21s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Harbor Entrance at Eureka in the next 16 days are 5.0m 18s and forecast to arrive on Friday (Nov 06) at 7PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 7s period and expected on Tuesday (Nov 03) at 10AM.
| Wave Type | Time (PST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7PM (Sun 1st Nov) | 3.5ft (1.1m) 21s |
| Best Surf | 4PM (Fri 6th Nov) | 15ft (4.5m) 19s |
| Most Powerful | 7PM (Fri 6th Nov) | 16ft (5.0m) 18s |
Table - best surf conditions forecast for Harbor Entrance at Eureka over the next 16 days.
Short Range ForecastSome drizzle, heaviest during Tue morning. Very mild (max 14°C on Mon morning, min 10°C on Sun afternoon). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Very mild (max 16°C on Fri morning, min 11°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Sunday 1 | Monday 2 | Tuesday 3 | Wednesday 4 | Thursday 5 | Friday 6 | Saturday 7 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | NW 24 | WNW 22 | WNW 19 | WNW 18 | WNW 17 | WNW 16 | WNW 16 | WNW 14 | WNW 14 | WNW 13 | WNW 12 | WNW 12 | WNW 13 | WNW 14 | WNW 18 | WNW 16 | WNW 19 | WNW 17 | WNW 16 | WNW 15 | WNW 15 |
Wave Graph  | |||||||||||||||||||||
 kJ | 142 | 589 | 2111 | 3413 | 3550 | 3458 | 2172 | 1748 | 1422 | 1028 | 680 | 531 | 2148 | 2524 | 6948 | 4981 | 15893 | 13399 | 6427 | 4832 | 4723 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | glassy | cross-off | cross-off | off | cross-off | off | cross-off | glassy | cross-on | glassy | glassy | cross | cross-off | glassy | cross-on | cross-off | glassy | glassy | glassy |
High Tide | 4:00PM1.77m | 6:36AM1.53m | 5:28PM1.62m | 7:27AM1.66m | 6:55PM1.54m | 8:10AM1.80m | 8:12PM1.50m | 8:48AM1.92m | 9:18PM1.49m | 9:22AM2.01m | 10:17PM1.50m | 9:54AM2.06m | 11:08PM1.50m | ||||||||
Low Tide | 10:31AM1.11m | 11:39PM-0.07m | 12:02PM1.01m | 00:40AM0.05m | 1:25PM0.80m | 1:36AM0.18m | 2:32PM0.55m | 2:26AM0.30m | 3:27PM0.30m | 3:11AM0.44m | 4:14PM0.08m | 3:52AM0.58m | 4:56PM-0.08m | ||||||||
 | |  |  |  |  |  | | | | | | | | | | |  | | | | |
 | 5:47 | — | — | 6:48 | — | — | 6:48 | — | — | 6:50 | — | — | 6:50 | — | — | 6:52 | — | — | 6:54 | — | — |
 | — | 4:13 | — | — | 5:12 | — | — | 5:10 | — | — | 5:08 | — | — | 5:07 | — | — | 5:07 | — | — | 5:06 | — |
mm | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 12 | 11 | 14 | 14 | 14 | 12 | 13 | 14 | 15 | 13 | 12 | 13 | 13 | 13 | 16 | 14 | 15 | 16 | 15 | 15 |
Feels °C | 9 | 9 | 9 | 11 | 12 | 10 | 6 | 10 | 12 | 13 | 9 | 10 | 11 | 12 | 10 | 12 | 11 | 14 | 15 | 15 | 14 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | SSW 16 | WNW 19 | WNW 18 | WNW 17 | WNW 16 | WNW 16 | WNW 14 | WNW 14 | WNW 13 | WNW 12 | WNW 12 | WNW 13 | WNW 14 | WNW 18 | WNW 16 | WNW 19 | WNW 17 | WNW 16 | WNW 15 | WNW 15 |
| kJ | 700 | 627 | 2111 | 3413 | 3550 | 3458 | 2172 | 1748 | 1422 | 1028 | 680 | 531 | 2148 | 2524 | 6948 | 4981 | 15893 | 13399 | 6427 | 4832 | 4723 |
Swell 2 Height (m) Direction Period (s) | WNW 12 | WNW 22 | SSW 15 | SSW 15 | SSW 15 | SSW 16 | SW 11 | SW 10 | WSW 10 | SW 9 | WSW 8 | WNW 16 | SW 14 | WNW 20 | SSW 13 | SSW 13 | SSW 13 | SW 19 | SSW 18 | SW 18 | W 18 |
| kJ | 129 | 589 | 566 | 576 | 592 | 596 | 996 | 738 | 648 | 231 | 147 | 277 | 206 | 1207 | 116 | 66 | 66 | 177 | 207 | 152 | 1454 |
Swell 3 Height (m) Direction Period (s) | NW 24 | WNW 12 | NW 11 | NW 11 | — | — | SSW 15 | SSW 15 | SSW 15 | SSW 16 | SSW 15 | SSW 14 | WNW 22 | SW 14 | SSW 18 | SW 16 | SW 17 | SW 19 | SW 18 | SSW 12 | SW 18 |
| kJ | 142 | 125 | 155 | 61 | — | — | 551 | 559 | 461 | 419 | 272 | 173 | 314 | 206 | 32 | 69 | 71 | 91 | 84 | 14 | 150 |
Wind waves Height (m) Direction Period (s) | NW 7 | NW 5 | — | — | W 11 | — | S 7 | — | — | — | — | NNW 3 | — | — | — | — | — | — | — | — | — |
| kJ | 65 | 32 | — | — | 61 | — | 144 | — | — | — | — | 2 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 27 | 109 | 0 | 0 | 0 | 0 | 18 | 0 | 0 | 0 | 109 | 0 | 0 | 18 | 0 | 0 | 109 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Humboldt County | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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Information about the Harbor Entrance at Eureka Surf forecast
The above surf forecast table for Harbor Entrance at Eureka provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Harbor Entrance at Eureka can be found by selecting the local surf guide option on the grey menu. Our Harbor Entrance at Eureka surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Harbor Entrance at Eureka) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Harbor Entrance at Eureka may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Harbor Entrance at Eureka is 8 km (5 miles) from Eureka. If you plan a vacation in Humboldt County, look for hotels and other accommodation in Eureka. Eureka has rooms for a wide range of budgets as well as car hire and transport links.
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