Surf Forecasts:
Harbor Entrance at Eureka surf forecast from 10 Nov 2026:
- Best quality surf: Friday 13 Nov, 7PM (local time) - 16ft (5.0m), 16s period, W swell with cross-offshore winds.
- Most powerful swell: Saturday 14 Nov, 1AM (local time) - 28ft (8.5m), 19s period, W swell with 51,052 kJ wave energy.
- Next surfable swell (1★+): Tuesday 10 Nov, 7PM (local time) - 10ft (3.0m), 14s period with WNW 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 Tuesday (Nov 10) at 7PM. The primary swell is predicted to be 3.0m and 14s period with a secondary swell of 0.5m and 14s. The wind is predicted to be cross-offshore 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 Saturday (Nov 14) at 1AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 4.0m 8s period and expected on Friday (Nov 13) at 10AM.
| Wave Type | Time (PST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7PM (Tue 10th Nov) | 10ft (3.0m) 14s |
| Best Surf | 7PM (Fri 13th Nov) | 16ft (5.0m) 16s |
| Most Powerful | 1AM (Sat 14th Nov) | 28ft (8.5m) 19s |
Table - best surf conditions forecast for Harbor Entrance at Eureka over the next 16 days.
Short Range ForecastMostly dry. Very mild (max 18°C on Wed morning, min 13°C on Thu night). Winds increasing (calm on Thu morning, strong winds from the S by Thu night). | Days 4-6 Weather SummaryHeavy rain (total 69mm), heaviest during Fri morning. Very mild (max 15°C on Sat morning, min 11°C on Fri night). Winds decreasing (near gales from the SSW on Fri morning, light winds from the S by Sun night). | ||||||||||||||||||||
Tuesday 10 | Wednesday 11 | Thursday 12 | Friday 13 | Saturday 14 | Sunday 15 | Monday 16 | |||||||||||||||
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 13 | WNW 14 | W 13 | WNW 12 | W 13 | W 14 | W 15 | W 14 | WNW 14 | WNW 16 | W 15 | W 19 | W 18 | W 16 | W 15 | W 13 | WNW 13 | WNW 21 | W 18 | WNW 18 | WNW 16 |
Wave Graph  | |||||||||||||||||||||
 kJ | 2692 | 3228 | 2190 | 2344 | 3606 | 6101 | 6687 | 5747 | 3939 | 3299 | 7161 | 51052 | 31730 | 20262 | 9183 | 3848 | 1599 | 7729 | 23639 | 20924 | 14823 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | off | cross-off | cross | off | glassy | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | off | off | off | cross-off | cross-off | cross | off |
High Tide | 11:22AM2.01m | 1:25AM1.44m | 11:51AM1.95m | 2:09AM1.39m | 12:23PM1.89m | 2:56AM1.35m | 12:58PM1.81m | 3:47AM1.32m | 1:39PM1.72m | 4:40AM1.33m | 2:27PM1.61m | 5:32AM1.37m | 3:28PM1.48m | ||||||||
Low Tide | 6:47PM-0.23m | 6:18AM1.02m | 7:24PM-0.19m | 6:54AM1.09m | 8:04PM-0.12m | 7:33AM1.14m | 8:46PM-0.04m | 8:20AM1.18m | 9:32PM0.05m | 9:18AM1.20m | 10:21PM0.13m | 10:31AM1.18m | 11:12PM0.22m | ||||||||
 |  |  | | |  | | | |  |  |  |  |  | | | |  | | | | |
 | 6:56 | — | — | 6:58 | — | — | 6:58 | — | — | 7:01 | — | — | 7:01 | — | — | 7:03 | — | — | 7:03 | — | — |
 | — | 5:02 | — | — | 5:01 | — | — | 5:00 | — | — | 5:00 | — | — | 4:59 | — | — | 4:59 | — | — | 4:58 | — |
mm | — | — | — | — | — | — | — | — | — | 20 | 3 | 18 | 1 | — | — | 3 | 17 | 7 | 2 | 2 | — |
Temp °C | 17 | 16 | 14 | 18 | 18 | 15 | 17 | 17 | 17 | 14 | 13 | 12 | 15 | 15 | 13 | 15 | 13 | 12 | 13 | 13 | 11 |
Feels °C | 15 | 15 | 13 | 16 | 14 | 12 | 14 | 12 | 11 | 4 | 7 | 6 | 10 | 10 | 8 | 9 | 10 | 10 | 10 | 10 | 8 |
Swell 1 Height (m) Direction Period (s) | W 13 | WNW 14 | W 13 | WNW 12 | W 13 | W 14 | W 15 | W 14 | WNW 14 | WNW 16 | W 15 | W 19 | W 18 | W 16 | W 15 | W 13 | WNW 13 | WNW 21 | W 18 | WNW 18 | WNW 16 |
| kJ | 2692 | 3228 | 2190 | 2344 | 3606 | 6101 | 6687 | 5747 | 3939 | 3299 | 7161 | 51052 | 31730 | 20262 | 9183 | 3848 | 1599 | 7729 | 23639 | 20924 | 14823 |
Swell 2 Height (m) Direction Period (s) | SSW 15 | SW 14 | NW 14 | SSW 14 | SW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | — | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | S 17 | S 16 | WNW 13 | SSW 16 | SSW 15 | SSW 14 |
| kJ | 144 | 103 | 722 | 127 | 91 | 136 | 133 | 123 | 68 | — | 147 | 146 | 87 | 84 | 82 | 154 | 137 | 1645 | 188 | 121 | 120 |
Swell 3 Height (m) Direction Period (s) | NNW 10 | SSW 18 | SW 14 | SSW 16 | SSW 16 | SW 20 | SSW 19 | SW 18 | SW 18 | — | SW 13 | — | — | SSW 18 | SSW 18 | SW 14 | SW 14 | S 16 | — | — | — |
| kJ | 38 | 31 | 102 | 26 | 51 | 15 | 36 | 81 | 80 | — | 40 | — | — | 64 | 104 | 47 | 46 | 132 | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | SSW 6 | SSW 8 | S 8 | — | — | — | — | SSE 4 | SSW 7 | SSW 8 | — | SSW 7 | — |
| kJ | — | — | — | — | — | — | — | — | 218 | 2142 | 371 | — | — | — | — | 34 | 522 | 1099 | — | 82 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 83 | 0 | 0 | 83 | 0 | 0 | 94 | 274 | 823 | 578 | 466 | 466 | 465 | 0 | 274 | 0 | 0 | 106 | 465 | 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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