Surf Forecasts:
Harbor Entrance at Eureka surf forecast from 13 Nov 2026:
- Best quality surf: Friday 13 Nov, 7PM (local time) - 28ft (8.5m), 19s period, W swell with cross-shore winds.
- Most powerful swell: Friday 13 Nov, 10PM (local time) - 28ft (8.5m), 19s period, WNW swell with 52,239 kJ wave energy.
- Next surfable swell (1★+): Friday 13 Nov, 7PM (local time) - 28ft (8.5m), 19s period with W 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 Friday (Nov 13) at 7PM. The primary swell is predicted to be 8.5m and 19s period. The wind is predicted to be cross-shore as the swell arrives.
The most powerful waves expected at Harbor Entrance at Eureka in the next 16 days are 8.5m 19s and forecast to arrive on Friday (Nov 13) at 10PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 6.0m 12s period and expected on Tuesday (Nov 24) at 10AM.
| Wave Type | Time (PST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7PM (Fri 13th Nov) | 28ft (8.5m) 19s |
| Best Surf | 7PM (Fri 13th Nov) | 28ft (8.5m) 19s |
| Most Powerful | 10PM (Fri 13th Nov) | 28ft (8.5m) 19s |
Table - best surf conditions forecast for Harbor Entrance at Eureka over the next 16 days.
Short Range ForecastHeavy rain (total 49mm), heaviest during Fri morning. Very mild (max 16°C on Sat morning, min 9°C on Sun night). Mainly fresh winds. | Days 4-6 Weather SummaryHeavy rain (total 86mm), heaviest during Tue night. Very mild (max 14°C on Tue morning, min 6°C on Wed night). Winds increasing (calm on Mon afternoon, fresh winds from the SSE by Tue afternoon). | ||||||||||||||||||||
Friday 13 | Saturday 14 | Sunday 15 | Monday 16 | Tuesday 17 | Wednesday 18 | Thursday 19 | |||||||||||||||
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) | W 15 | W 16 | WNW 19 | WNW 17 | W 16 | WNW 14 | W 14 | W 17 | WNW 16 | WNW 16 | WNW 16 | WNW 14 | WNW 13 | W 13 | WNW 12 | WNW 16 | WNW 14 | WNW 14 | WNW 14 | WNW 14 | WNW 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 8105 | 15394 | 47125 | 23697 | 12962 | 4278 | 7323 | 18746 | 16436 | 12379 | 11385 | 6992 | 4124 | 1939 | 2391 | 8064 | 6786 | 4875 | 4369 | 3520 | 2121 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross | cross-off | cross-off | cross-off | off | glassy | glassy | off | off | glassy | off | off | cross-off | cross-on | off | cross-off | off | cross-off | cross-on | off |
High Tide | 12:58PM1.81m | 3:47AM1.32m | 1:39PM1.72m | 4:40AM1.33m | 2:27PM1.61m | 5:32AM1.37m | 3:28PM1.48m | 6:17AM1.44m | 4:45PM1.37m | 6:55AM1.55m | 6:11PM1.30m | 7:28AM1.67m | 7:31PM1.29m | ||||||||
Low Tide | 8:46PM-0.04m | 8:20AM1.18m | 9:32PM0.05m | 9:18AM1.20m | 10:21PM0.13m | 10:31AM1.18m | 11:12PM0.22m | 11:49AM1.08m | 00:02AM0.30m | 1:01PM0.89m | 00:50AM0.39m | 2:00PM0.64m | 1:37AM0.49m | ||||||||
 |  |  |  |  |  | | | | | |  | | | |  | | |  | | | |
 | 7:01 | — | — | 7:01 | — | — | 7:03 | — | — | 7:03 | — | — | 7:05 | — | — | 7:07 | — | — | 7:07 | — | — |
 | — | 5:00 | — | — | 4:59 | — | — | 4:59 | — | — | 4:58 | — | — | 4:57 | — | — | 4:55 | — | — | 4:55 | — |
mm | 13 | 7 | 3 | — | — | 18 | 4 | — | 4 | 3 | 3 | — | — | — | 53 | — | 2 | 25 | 9 | 9 | 2 |
Temp °C | 13 | 13 | 11 | 16 | 15 | 15 | 14 | 14 | 11 | 11 | 12 | 11 | 14 | 14 | 10 | 13 | 12 | 8 | 12 | 12 | 9 |
Feels °C | 9 | 8 | 7 | 10 | 8 | 8 | 12 | 13 | 9 | 9 | 11 | 8 | 9 | 8 | 3 | 10 | 8 | 3 | 7 | 7 | 5 |
Swell 1 Height (m) Direction Period (s) | W 15 | W 16 | WNW 19 | WNW 17 | W 16 | WNW 14 | W 14 | W 17 | WNW 16 | WNW 16 | WNW 16 | WNW 14 | WNW 13 | W 13 | WNW 12 | WNW 16 | WNW 14 | WNW 14 | WNW 14 | WNW 14 | WNW 13 |
| kJ | 8105 | 15394 | 47125 | 23697 | 12962 | 4278 | 7323 | 18746 | 16436 | 12379 | 11385 | 6992 | 4124 | 1939 | 2391 | 8064 | 6786 | 4875 | 4369 | 3520 | 2121 |
Swell 2 Height (m) Direction Period (s) | SSW 16 | W 20 | SSW 16 | SSW 15 | SSW 15 | SW 14 | W 18 | SSW 16 | S 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | NW 13 | SSW 7 | SSW 13 | SSW 13 | SW 16 | SSW 12 | SSW 15 | SSW 15 |
| kJ | 107 | 9537 | 146 | 126 | 123 | 103 | 1996 | 208 | 132 | 188 | 121 | 121 | 115 | 919 | 321 | 33 | 32 | 65 | 14 | 21 | 42 |
Swell 3 Height (m) Direction Period (s) | SSW 13 | SSW 16 | — | — | SSW 18 | SSW 18 | SSW 17 | SW 13 | SW 13 | — | — | SW 19 | — | SSW 13 | NW 20 | SSW 13 | SSW 16 | SSW 12 | SSW 16 | S 12 | S 12 |
| kJ | 66 | 149 | — | — | 63 | 104 | 237 | 45 | 44 | — | — | 15 | — | 60 | 134 | 56 | 25 | 14 | 24 | 11 | 11 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | SSW 12 | SSW 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 14 | 1289 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 465 | 324 | 263 | 362 | 274 | 0 | 106 | 34 | 0 | 0 | 0 | 0 | 221 | 362 | 0 | 94 | 0 | 0 | 113 | 0 |
Best forecast wave conditions in Humboldt County | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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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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