Surf Forecasts:
Harbor Entrance at Eureka surf forecast from 20 Jun 2026:
- Best quality surf: Sunday 21 Jun, 11PM (local time) - 8ft (2.4m), 8s period, NNW swell with glassy winds.
- Most powerful swell: Wednesday 24 Jun, 11PM (local time) - 10ft (3.0m), 9s period, NNW swell with 1,152 kJ wave energy.
- Next surfable swell (1★+): Sunday 21 Jun, 2AM (local time) - 7ft (2.1m), 9s period with NNW 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 (Jun 21) at 2AM. The primary swell is predicted to be 2.1m and 9s period with a secondary swell of 0.4m and 13s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Harbor Entrance at Eureka in the next 16 days are 3.0m 9s and forecast to arrive on Wednesday (Jun 24) at 11PM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 15s period and expected on Saturday (Jun 20) at 5PM.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Sun 21st Jun) | 7ft (2.1m) 9s |
| Best Surf | 11PM (Sun 21st Jun) | 8ft (2.4m) 8s |
| Most Powerful | 11PM (Wed 24th Jun) | 10ft (3.0m) 9s |
Table - best surf conditions forecast for Harbor Entrance at Eureka over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 14°C on Mon afternoon, min 10°C on Sat night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Very mild (max 14°C on Tue morning, min 11°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 26 | |||||||||||||||
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) | NNW 10 | NNW 9 | NNW 9 | NNW 9 | NNW 8 | NNW 8 | NW 8 | NW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 9 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 7 | NNW 7 | NW 6 | WNW 6 | WNW 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 533 | 455 | 750 | 868 | 778 | 721 | 632 | 617 | 704 | 527 | 559 | 965 | 899 | 987 | 1099 | 469 | 180 | 68 | 19 | 41 | 435 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | glassy | on | cross-on | cross | on | cross-on | cross-off | cross-on | on | glassy | on | cross-on | cross-on | on | cross-on | glassy | cross-on | cross-on | cross |
High Tide | 5:46PM1.77m | 5:11AM1.45m | 6:31PM1.83m | 6:31AM1.26m | 7:15PM1.89m | 7:58AM1.15m | 7:57PM1.92m | 9:22AM1.14m | 8:38PM1.94m | 10:33AM1.19m | 9:18PM1.95m | 11:31AM1.26m | 9:58PM1.95m | ||||||||
Low Tide | 11:03AM-0.04m | 11:52PM0.76m | 11:49AM0.20m | 1:06AM0.62m | 12:35PM0.43m | 2:15AM0.45m | 1:24PM0.65m | 3:16AM0.27m | 2:15PM0.83m | 4:08AM0.11m | 3:07PM0.96m | 4:54AM-0.02m | 3:59PM1.05m | ||||||||
 |  |  | | | | | | | | | | | | | | | | | |  | |
 | 5:45 | — | — | 5:45 | — | — | 5:45 | — | — | 5:46 | — | — | 5:46 | — | — | 5:46 | — | — | 5:47 | — | — |
 | — | 8:51 | — | — | 8:51 | — | — | 8:51 | — | — | 8:52 | — | — | 8:52 | — | — | 8:52 | — | — | 8:52 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 12 | 11 | 12 | 12 | 12 | 13 | 14 | 12 | 14 | 14 | 13 | 13 | 14 | 13 | 12 | 13 | 12 | 14 | 14 | 14 |
Feels °C | 12 | 8 | 8 | 9 | 9 | 10 | 11 | 12 | 11 | 13 | 13 | 12 | 11 | 11 | 10 | 9 | 10 | 10 | 12 | 13 | 13 |
Swell 1 Height (m) Direction Period (s) | NNW 10 | NNW 9 | SSW 16 | SW 16 | SW 14 | NNW 8 | NW 8 | NW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 9 | SSW 18 | NNW 8 | SSW 16 | SSW 16 | NNW 7 | SSW 15 | SSW 15 | SW 14 | WNW 9 |
| kJ | 533 | 455 | 447 | 255 | 301 | 721 | 632 | 617 | 704 | 527 | 559 | 965 | 356 | 987 | 306 | 229 | 180 | 353 | 188 | 214 | 435 |
Swell 2 Height (m) Direction Period (s) | SW 14 | SW 15 | SW 13 | SW 13 | SW 20 | SSW 14 | SSW 14 | SSW 14 | SW 16 | SSW 16 | SSW 20 | SSW 19 | SSW 15 | SSW 18 | SSW 13 | SSW 13 | SSW 16 | NNW 7 | SSW 19 | WNW 6 | SSW 17 |
| kJ | 245 | 503 | 62 | 79 | 97 | 268 | 264 | 178 | 211 | 171 | 216 | 289 | 142 | 352 | 67 | 68 | 397 | 68 | 248 | 41 | 510 |
Swell 3 Height (m) Direction Period (s) | SSW 18 | S 12 | S 11 | SSW 20 | S 11 | SW 18 | SSW 18 | SSW 18 | SSW 13 | SSW 13 | SSW 16 | SSW 15 | S 12 | SSW 14 | S 11 | WNW 10 | WNW 10 | WNW 10 | NW 6 | SSW 19 | N 6 |
| kJ | 174 | 42 | 21 | 149 | 9 | 155 | 209 | 121 | 114 | 114 | 169 | 142 | 3 | 140 | 2 | 21 | 20 | 19 | 19 | 248 | 1 |
Wind waves Height (m) Direction Period (s) | — | — | NNW 9 | NNW 9 | NNW 8 | — | — | — | — | — | — | — | NNW 8 | — | NNW 8 | NNW 8 | — | — | — | — | — |
| kJ | — | — | 750 | 868 | 778 | — | — | — | — | — | — | — | 899 | — | 1099 | 469 | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 362 | 821 | 0 | 362 | 85 | 4 | 112 | 83 | 0 | 33 | 83 | 0 | 109 | 324 | 18 | 345 | 465 | 0 | 73 | 112 | 18 |
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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