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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
16 Day Weather and Surf, issued 10 pm Friday 15 May 2026 PDTForecast update in hr min s Forecast update imminent
Harbor Entrance at Eureka surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Harbor Entrance at Eureka sea temperature is
12.2° C
(Which is normal for this time of year)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 Wednesday (May 20) at 11PM. The primary swell is predicted to be 3.0m and 9s period with a secondary swell of 1.5m and 11s. Another secondary swell of 0.5m and 16s is also forecast. 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 3.5m 13s and forecast to arrive on Saturday (May 16) at 8PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 14s period and expected on Saturday (May 16) at 5AM.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Wed 20th May) | 10ft (3.0m) 9s |
| Best Surf | 11PM (Wed 20th May) | 10ft (3.0m) 9s |
| Most Powerful | 8PM (Sat 16th May) | 11ft (3.5m) 13s |
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 12°C on Sun afternoon, min 9°C on Sun night). Winds decreasing (strong winds from the N on Sat night, light winds from the NE by Sun night). | Days 5-7 Weather SummaryMostly dry. Very mild (max 14°C on Thu morning, min 10°C on Mon night). Winds decreasing (fresh winds from the N on Tue afternoon, calm by Wed night). | ||||||||||||||||||||
Saturday 16 | Sunday 17 | Monday 18 | Tuesday 19 | Wednesday 20 | Thursday 21 | Fri 22 | |||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
WNW 14 | NW 13 | NW 13 | NW 8 | NNW 8 | NNW 8 | NNW 9 | NW 8 | NNW 8 | WNW 15 | WNW 14 | WNW 13 | NNW 8 | NNW 8 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | |
722 | 2639 | 3606 | 2098 | 871 | 2067 | 1447 | 881 | 1217 | 1435 | 1143 | 972 | 1272 | 989 | 1480 | 1350 | 1266 | 1638 | 1747 | 1704 | 2179 | |
Wind (km/h) | |||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | glassy | cross-on | cross-on | glassy | on | cross-on | |
High Tide | 11:06PM2.26m | 12:55PM1.54m | 11:47PM2.34m | 1:50PM1.55m | 00:31AM2.36m | 2:45PM1.53m | 1:19AM2.31m | 3:41PM1.52m | 2:11AM2.20m | 4:39PM1.52m | 3:08AM2.03m | 5:37PM1.55m | 4:13AM1.81m | 6:33PM1.62m | |||||||
Low Tide | 6:29AM-0.46m | 6:01PM0.84m | 7:17AM-0.59m | 6:48PM0.92m | 8:06AM-0.63m | 7:38PM0.98m | 8:58AM-0.58m | 8:33PM1.02m | 9:50AM-0.47m | 9:35PM1.05m | 10:45AM-0.31m | 10:48PM1.03m | 11:40AM-0.13m | ||||||||
 | | |  | | | | | | | | | | | | | | |  | | | |
 | — | 5:58 | — | — | 5:58 | — | — | 5:56 | — | — | 5:56 | — | — | 5:54 | — | — | 5:54 | — | — | 5:54 | — |
 | 8:27 | — | 8:28 | — | — | 8:29 | — | — | 8:29 | — | — | 8:30 | — | — | 8:30 | — | — | 8:31 | — | — | 8:32 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 12 | 12 | 13 | 12 | 14 | 14 | 12 | 13 | 13 |
6 | 5 | 3 | 3 | 2 | 3 | 4 | 8 | 6 | 7 | 8 | 9 | 8 | 8 | 8 | 9 | 11 | 11 | 10 | 11 | 10 | |
Swell 1 Height (m) Direction Period (s) | WNW 14 | SSW 16 | SSW 15 | SSW 14 | WNW 12 | SSW 14 | WNW 11 | WNW 18 | WNW 16 | WNW 15 | WNW 14 | WNW 13 | WNW 13 | WNW 12 | NW 12 | NW 11 | WNW 11 | SW 15 | SW 15 | SW 18 | SW 18 |
 kJ | 722 | 215 | 201 | 120 | 710 | 79 | 275 | 124 | 458 | 1052 | 1143 | 972 | 722 | 378 | 539 | 476 | 382 | 79 | 116 | 192 | 152 |
Swell 2 Height (m) Direction Period (s) | SSW 15 | SSW 14 | S 16 | — | SSW 14 | SW 18 | SW 13 | SSW 13 | SSW 13 | SW 17 | SW 16 | SW 17 | SW 16 | SW 21 | SW 16 | SW 15 | SW 19 | SW 19 | S 13 | S 12 | SW 14 |
| kJ | 193 | 134 | 20 | — | 82 | 12 | 46 | 34 | 34 | 73 | 42 | 43 | 95 | 224 | 90 | 112 | 303 | 96 | 29 | 28 | 52 |
Swell 3 Height (m) Direction Period (s) | — | SSW 16 | SW 19 | — | SW 18 | — | SW 18 | SW 18 | SSW 16 | S 16 | SW 24 | S 15 | S 15 | SW 16 | S 14 | S 14 | SW 15 | S 13 | S 13 | SW 14 | S 12 |
| kJ | — | 51 | 15 | — | 13 | — | 12 | 50 | 52 | 20 | 87 | 39 | 38 | 65 | 34 | 34 | 79 | 30 | 52 | 31 | 27 |
Wind waves Height (m) Direction Period (s) | NW 7 | NW 13 | NW 13 | NW 8 | NNW 8 | NNW 8 | NNW 9 | NW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | NNW 9 |
| kJ | 226 | 2639 | 3606 | 2098 | 871 | 2067 | 1447 | 881 | 1217 | 1435 | 728 | 629 | 1272 | 989 | 1480 | 1350 | 1266 | 1638 | 1747 | 1704 | 2179 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 73 | 464 | 466 | 173 | 357 | 466 | 18 | 85 | 466 | 18 | 274 | 292 | 27 | 274 | 85 | 0 | 109 | 83 | 0 | 319 | 83 |
Best forecast wave conditions in Humboldt County | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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Surf Rating (10 Max)
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FREE! Surf-Forecast.com widget for your website
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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