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Surf Forecasts:
Harbor Entrance at Eureka surfForecast / CAL – Humboldt / USA
Forecast 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
10.6° C
(Which is 1.6°C colder than average for this time of year)Harbor Entrance at Eureka surf forecast from 28 May 2026:
- Best quality surf: Thursday 28 May, 2AM (local time) - 10ft (3.0m), 10s period, NW swell with glassy winds.
- Most powerful swell: Thursday 28 May, 8PM (local time) - 7.5ft (2.3m), 16s period, WNW swell with 2,615 kJ wave energy.
- Next surfable swell (1★+): Thursday 28 May, 2AM (local time) - 10ft (3.0m), 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 (May 28) at 2AM. The primary swell is predicted to be 3.0m and 10s period with a secondary swell of 1.3m and 20s. 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 2.3m 16s and forecast to arrive on Thursday (May 28) at 8PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 17s period and expected on Tuesday (Jun 02) at 5AM.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Thu 28th May) | 10ft (3.0m) 10s |
| Best Surf | 2AM (Thu 28th May) | 10ft (3.0m) 10s |
| Most Powerful | 8PM (Thu 28th May) | 7.5ft (2.3m) 16s |
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 13°C on Thu morning, min 10°C on Fri night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Very mild (max 12°C on Mon morning, min 8°C on Sat night). Wind will be generally light. | ||||||||||||||||||||
Wed 27 | Thursday 28 | Friday 29 | Saturday 30 | Sunday 31 | Monday 1 | Tuesday 2 | |||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |
Swell Height Map | |||||||||||||||||||||
NW 10 | NW 10 | WNW 18 | WNW 16 | WNW 16 | WNW 14 | WNW 14 | WNW 13 | NNW 8 | NNW 8 | NNW 8 | NW 8 | NNW 8 | NNW 9 | NNW 8 | NNW 8 | NNW 8 | NNW 7 | WNW 8 | NNW 7 | W 12 | |
2388 | 1835 | 2390 | 2480 | 2271 | 2480 | 1161 | 824 | 670 | 627 | 829 | 1048 | 931 | 1159 | 675 | 560 | 345 | 150 | 78 | 45 | 324 | |
Wind (km/h) | |||||||||||||||||||||
cross-on | glassy | cross | cross | glassy | cross-on | cross-on | on | on | cross-on | cross | cross-on | cross-on | glassy | on | cross-on | glassy | cross-on | cross-on | glassy | cross-on | |
High Tide | 10:02PM1.99m | 11:35AM1.34m | 10:35PM2.00m | 12:25PM1.38m | 11:05PM1.99m | 1:10PM1.40m | 11:36PM1.98m | 1:51PM1.41m | 00:07AM1.96m | 2:31PM1.40m | 00:40AM1.93m | 3:11PM1.39m | 1:14AM1.89m | ||||||||
Low Tide | 3:53PM0.74m | 5:16AM0.01m | 4:36PM0.86m | 5:55AM-0.11m | 5:16PM0.96m | 6:32AM-0.18m | 5:55PM1.03m | 7:07AM-0.21m | 6:33PM1.08m | 7:43AM-0.22m | 7:10PM1.12m | 8:20AM-0.20m | 7:48PM1.14m | 8:58AM-0.16m | |||||||
— | — | 5:50 | — | — | 5:48 | — | — | 5:48 | — | — | 5:48 | — | — | 5:48 | — | — | 5:47 | — | — | 5:47 | |
8:37 | — | — | 8:37 | — | — | 8:38 | — | — | 8:39 | — | — | 8:40 | — | — | 8:40 | — | — | 8:42 | — | 8:43 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 12 | 11 | 13 | 13 | 12 | 12 | 12 | 11 | 10 | 11 | 11 | 10 | 11 | 11 | 12 | 12 | 11 | 11 | 12 | 13 | 14 |
7 | 11 | 9 | 9 | 10 | 10 | 9 | 7 | 9 | 7 | 6 | 6 | 6 | 9 | 9 | 9 | 9 | 8 | 10 | 11 | 12 | |
Swell 1 Height (m) Direction Period (s) | NW 10 | NW 10 | NW 9 | WNW 16 | WNW 16 | WNW 14 | WNW 14 | WNW 13 | WNW 12 | WNW 12 | WNW 11 | SSW 21 | WNW 10 | NNW 9 | WNW 10 | NW 9 | NNW 8 | SSW 17 | SSW 16 | SSW 16 | W 12 |
2388 | 1835 | 942 | 2480 | 2271 | 2480 | 1161 | 824 | 353 | 436 | 499 | 305 | 288 | 1159 | 171 | 198 | 345 | 580 | 458 | 525 | 324 | |
Swell 2 Height (m) Direction Period (s) | SSW 14 | WNW 20 | WNW 18 | NW 9 | NW 8 | NNW 8 | SSW 13 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 18 | SSW 20 | WNW 10 | SSW 19 | SSW 18 | WNW 9 | NW 9 | NNW 7 | NNW 7 | SSW 16 |
183 | 1356 | 2390 | 554 | 297 | 90 | 69 | 116 | 73 | 71 | 71 | 123 | 364 | 208 | 610 | 497 | 135 | 77 | 74 | 41 | 430 | |
Swell 3 Height (m) Direction Period (s) | NW 23 | SSW 14 | SSW 14 | SSW 14 | WNW 10 | SSW 14 | SSW 16 | S 26 | SSW 19 | SSW 24 | SW 22 | SW 13 | SSW 13 | SSW 20 | SSW 12 | SW 15 | SSW 18 | NW 9 | WNW 8 | WNW 8 | SSW 20 |
138 | 183 | 134 | 111 | 65 | 105 | 50 | 13 | 37 | 55 | 124 | 42 | 31 | 485 | 14 | 55 | 541 | 77 | 78 | 45 | 149 | |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | NW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NW 8 | NNW 8 | — | NNW 8 | NNW 8 | — | NNW 7 | — | — | — |
— | — | — | — | — | — | 276 | 579 | 670 | 627 | 829 | 1048 | 931 | — | 675 | 560 | — | 150 | — | — | — | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 109 | 0 | 221 | 45 | 0 | 292 | 345 | 18 | 109 | 465 | 18 | 324 | 465 | 0 | 324 | 85 | 0 | 173 | 112 | 0 | 112 |
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.












