Surf Forecasts:
Harbor Entrance at Eureka surf forecast from 30 Oct 2026:
- Best quality surf: Thursday 5 Nov, 10PM (local time) - 13ft (4.0m), 16s period, WNW swell with glassy winds.
- Most powerful swell: Thursday 5 Nov, 10PM (local time) - 13ft (4.0m), 16s period, WNW swell with 7,445 kJ wave energy.
- Next surfable swell (1★+): Thursday 29 Oct, 11PM (local time) - 4ft (1.2m), 10s period with NW 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 Thursday (Oct 29) at 11PM. The primary swell is predicted to be 1.2m and 10s period. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Harbor Entrance at Eureka in the next 16 days are 4.0m 16s and forecast to arrive on Thursday (Nov 05) at 10PM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 16s period and expected on Sunday (Nov 01) at 10AM.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Thu 29th Oct) | 4ft (1.2m) 10s |
| Best Surf | 10PM (Thu 5th Nov) | 13ft (4.0m) 16s |
| Most Powerful | 10PM (Thu 5th Nov) | 13ft (4.0m) 16s |
Table - best surf conditions forecast for Harbor Entrance at Eureka over the next 16 days.
Short Range ForecastLight rain (total 8mm), mostly falling on Sat night. Very mild (max 12°C on Thu afternoon, min 8°C on Sat afternoon). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Very mild (max 15°C on Tue afternoon, min 9°C on Sun night). Wind will be generally light. | |||||||||||||||||||
Thu 29 | Friday 30 | Saturday 31 | Sunday 1 | Monday 2 | Tuesday 3 | Wednesday 4 | ||||||||||||||
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) | NNW 10 | NW 10 | WNW 12 | NW 9 | NW 8 | WNW 11 | NW 8 | WNW 13 | WNW 12 | WNW 22 | WNW 19 | WNW 18 | WNW 17 | WNW 16 | WNW 16 | WNW 15 | WNW 14 | WNW 12 | WNW 12 | WNW 15 |
Wave Graph  | ||||||||||||||||||||
 kJ | 314 | 281 | 177 | 152 | 118 | 93 | 90 | 202 | 129 | 589 | 2487 | 3553 | 3433 | 2821 | 2518 | 1927 | 1672 | 980 | 605 | 1516 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | off | glassy | cross-on | cross-off | on | glassy | glassy | cross-on | cross-on | cross-off | glassy | glassy | off | glassy | glassy | glassy | cross | cross-off | cross-off |
High Tide | 4:18AM1.41m | 2:44PM2.10m | 5:26AM1.39m | 3:46PM1.95m | 6:35AM1.44m | 5:00PM1.77m | 7:36AM1.53m | 6:28PM1.62m | 8:27AM1.66m | 7:55PM1.54m | 9:10AM1.80m | 9:12PM1.50m | ||||||||
Low Tide | 9:34PM-0.41m | 9:04AM1.05m | 10:32PM-0.31m | 10:09AM1.11m | 11:35PM-0.19m | 11:31AM1.11m | 00:39AM-0.07m | 1:02PM1.01m | 1:40AM0.05m | 2:25PM0.80m | 2:36AM0.18m | 3:32PM0.55m | 3:26AM0.30m | |||||||
 |  | |  | | |  |  |  | | | | | | | | | | | | |
 | — | — | 7:43 | — | — | 7:45 | — | — | 6:47 | — | — | 7:48 | — | — | 7:48 | — | — | 7:50 | — | — |
 | 6:16 | — | — | 6:15 | — | — | 6:14 | — | — | 5:13 | — | — | 6:12 | — | — | 6:10 | — | — | 6:08 | — |
mm | — | — | — | — | — | — | 4 | 4 | — | — | — | — | — | — | — | — | — | — | — | 6 |
Temp °C | 12 | 11 | 11 | 12 | 11 | 10 | 9 | 9 | 10 | 11 | 11 | 13 | 14 | 13 | 14 | 15 | 13 | 14 | 14 | 14 |
Feels °C | 8 | 9 | 9 | 9 | 9 | 6 | 6 | 7 | 7 | 7 | 8 | 11 | 12 | 11 | 11 | 13 | 10 | 11 | 11 | 12 |
Swell 1 Height (m) Direction Period (s) | NNW 10 | NW 10 | SW 16 | SW 16 | SW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 16 | SSW 16 | WNW 19 | WNW 18 | WNW 17 | WNW 16 | WNW 16 | WNW 15 | WNW 14 | WNW 12 | WNW 12 | WNW 15 |
| kJ | 314 | 281 | 558 | 573 | 503 | 437 | 362 | 357 | 798 | 627 | 2487 | 3553 | 3433 | 2821 | 2518 | 1927 | 1672 | 980 | 605 | 1516 |
Swell 2 Height (m) Direction Period (s) | SW 15 | SW 15 | NW 9 | NW 9 | NW 8 | NW 8 | NW 8 | WNW 13 | WNW 12 | WNW 22 | SSW 15 | SSW 15 | SSW 15 | SSW 16 | WSW 11 | SSW 15 | SW 9 | SSW 15 | SSW 14 | SSW 14 |
| kJ | 509 | 509 | 155 | 152 | 118 | 93 | 90 | 202 | 129 | 589 | 608 | 576 | 592 | 596 | 286 | 480 | 178 | 414 | 268 | 173 |
Swell 3 Height (m) Direction Period (s) | WNW 12 | WNW 12 | WNW 12 | NW 12 | WNW 11 | WNW 11 | SSW 18 | SSW 18 | NW 7 | WNW 12 | NW 11 | WNW 11 | W 11 | W 10 | SSW 15 | WSW 10 | SSW 15 | SW 8 | SW 8 | SW 7 |
| kJ | 264 | 180 | 177 | 135 | 81 | 78 | 180 | 280 | 29 | 123 | 133 | 50 | 61 | 234 | 559 | 214 | 461 | 93 | 58 | 33 |
Wind waves Height (m) Direction Period (s) | N 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NNW 4 | NW 4 | — |
| kJ | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 6 | 7 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 109 | 0 | 0 | 112 | 0 | 109 | 0 | 0 | 31 | 109 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 113 | 45 | 0 |
Best forecast wave conditions in Humboldt County | ||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Harbor Entrance at Eureka surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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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