Surf Forecasts:
North Jetty at Eureka surf forecast from 8 Sep 2026:
- Best quality surf: Friday 11 Sep, 2AM (local time) - 7.5ft (2.3m), 8s period, NNW swell with glassy winds.
- Most powerful swell: Thursday 10 Sep, 11PM (local time) - 7.5ft (2.3m), 8s period, NNW swell with 654 kJ wave energy.
- Next surfable swell (1★+): Monday 7 Sep, 11PM (local time) - 4.5ft (1.4m), 7s period with NW swell.
Best Forecast Surf Conditions for North Jetty at Eureka this week:
The surf forecast for North Jetty at Eureka over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Sep 07) at 11PM. The primary swell is predicted to be 1.4m and 7s period. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at North Jetty at Eureka in the next 16 days are 2.3m 8s and forecast to arrive on Thursday (Sep 10) at 11PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 12s period and expected on Tuesday (Sep 08) at 8PM.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Mon 7th Sep) | 4.5ft (1.4m) 7s |
| Best Surf | 2AM (Fri 11th Sep) | 7.5ft (2.3m) 8s |
| Most Powerful | 11PM (Thu 10th Sep) | 7.5ft (2.3m) 8s |
Table - best surf conditions forecast for North Jetty at Eureka over the next 16 days.
The Lowdown
Alright, Rusty here again, this time in feet and knots.
Let's talk North Jetty at Eureka. Water temp is about 58°, right where it should be for this time of year. The early days show the swell energy is moderate, around 195 range, but honestly, conditions are poor. The wind is cross-onshore from the north at about 9 knots, keeping it choppy. Swell is from the NW at 4-5ft, but with a short period of 6-8 seconds, there's no power in it. Not a great start.
On Monday the 10th of September, we get a shift. The swell goes to the SW and drops to 3ft, but the period jumps to 17 seconds – a proper long-period groundswell. The energy reads a strong 824, and with a light offshore wind in the morning, it’s the best window for a surf. Thursday morning is your pick. Later that day and into Friday, the swell builds to 7ft from the NNW with a short 8-second period, but the cross-onshore wind from the north at 9 knots makes it messy. That 7ft is big, and the wind will make it a battle unless you’re after a challenge.
The second week into mid-September sees small surf, generally under 3ft, but the periods stay long, 15-19 seconds. There’s a highlight on Thursday the 17th of September. The swell is tiny at just over 1ft from the SW, but the period is a massive 21 seconds. With the wind dropping to a glassy 3 knots in the afternoon, it will be clean and pretty, but not big.
From the 19th, the energy climbs into the 500-700 range, but the swell stays small, around 2-3ft from the SW with long periods. The wind is mostly cross-onshore or light, keeping things marginal.
So, the pick of the litter is Thursday the 10th of September morning for that long period SW groundswell. The glassy afternoon on the 17th of September is also a nice, clean option. The rest? Not much to write home about. Stay patient.
Rusty.
Short Range ForecastMostly dry. Warm (max 23°C on Wed morning, min 13°C on Mon night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Very mild (max 16°C on Sat afternoon, min 11°C on Sat night). Wind will be generally light. | |||||||||||||||||||
Mon 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | ||||||||||||||
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) | NW 6 | NNW 7 | NW 7 | NNW 7 | NNW 8 | NNW 8 | NNW 8 | WNW 12 | SW 17 | SW 17 | NNW 8 | NNW 8 | NW 8 | SW 15 | SW 15 | NW 10 | NW 10 | NW 7 | NW 8 | NW 8 |
Wave Graph  | ||||||||||||||||||||
 kJ | 139 | 278 | 178 | 163 | 277 | 232 | 219 | 193 | 424 | 410 | 654 | 558 | 438 | 314 | 309 | 388 | 373 | 231 | 241 | 276 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | off | cross-on | cross-on | glassy | cross-on | cross-on | cross-on | on | cross-on | glassy | on | cross-on | cross | on | cross-on | glassy | on | cross-on | cross-off |
High Tide | 9:15PM2.01m | 11:10AM1.56m | 10:18PM2.03m | 11:46AM1.69m | 11:14PM2.02m | 12:19PM1.80m | 00:06AM1.96m | 12:51PM1.89m | 00:55AM1.85m | 1:21PM1.94m | 1:43AM1.72m | 1:50PM1.95m | 2:31AM1.57m | |||||||
Low Tide | 3:26PM0.98m | 4:39AM-0.23m | 4:31PM0.80m | 5:24AM-0.22m | 5:27PM0.60m | 6:05AM-0.16m | 6:17PM0.42m | 6:43AM-0.03m | 7:04PM0.28m | 7:17AM0.13m | 7:49PM0.17m | 7:50AM0.32m | 8:32PM0.12m | |||||||
 |  |  | | | | |  | | | | | | | | | | | | | |
 | — | — | 6:50 | — | — | 6:50 | — | — | 6:52 | — | — | 6:52 | — | — | 6:54 | — | — | 6:54 | — | — |
 | 7:38 | — | — | 7:37 | — | — | 7:36 | — | — | 7:34 | — | — | 7:32 | — | — | 7:30 | — | — | 7:29 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 14 | 18 | 18 | 21 | 23 | 22 | 17 | 16 | 15 | 14 | 14 | 14 | 13 | 15 | 16 | 14 | 14 | 15 | 13 |
Feels °C | 13 | 13 | 15 | 15 | 19 | 19 | 19 | 16 | 15 | 13 | 13 | 12 | 12 | 11 | 13 | 14 | 12 | 12 | 13 | 13 |
Swell 1 Height (m) Direction Period (s) | SSW 14 | NNW 7 | NW 7 | NNW 7 | NNW 8 | NNW 8 | NNW 8 | NNW 7 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | NNW 10 | NNW 9 | SW 14 | NW 10 | NW 7 | NW 8 | NW 8 |
| kJ | 229 | 278 | 178 | 163 | 277 | 232 | 219 | 193 | 424 | 410 | 432 | 416 | 400 | 161 | 276 | 341 | 373 | 231 | 241 | 276 |
Swell 2 Height (m) Direction Period (s) | WNW 12 | SSW 14 | SSW 13 | SSW 13 | SSW 12 | S 11 | SW 19 | WNW 12 | NW 11 | NW 11 | S 10 | S 9 | SSW 8 | SW 15 | SW 15 | S 10 | SW 14 | SW 14 | SW 13 | SW 13 |
| kJ | 56 | 207 | 156 | 156 | 192 | 163 | 372 | 180 | 121 | 115 | 102 | 41 | 23 | 314 | 309 | 8 | 241 | 147 | 142 | 140 |
Swell 3 Height (m) Direction Period (s) | SSE 13 | SSE 12 | S 12 | S 12 | SW 18 | SW 19 | WNW 13 | SW 18 | S 9 | S 10 | NW 15 | NW 13 | WSW 16 | WSW 15 | WNW 11 | WSW 18 | WSW 12 | SW 20 | SW 19 | SW 19 |
| kJ | 55 | 52 | 75 | 104 | 117 | 183 | 116 | 312 | 27 | 30 | 8 | 27 | 52 | 123 | 105 | 31 | 29 | 60 | 57 | 127 |
Wind waves Height (m) Direction Period (s) | NW 6 | — | — | — | — | — | — | — | NNW 7 | NNW 8 | NNW 8 | NNW 8 | NW 8 | NNW 7 | — | NW 10 | — | — | — | — |
| kJ | 139 | — | — | — | — | — | — | — | 279 | 392 | 654 | 558 | 438 | 234 | — | 388 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 292 | 0 | 111 | 85 | 0 | 55 | 84 | 27 | 111 | 85 | 0 | 466 | 465 | 17 | 466 | 173 | 0 | 111 | 466 | 0 |
Best forecast wave conditions in Humboldt County | ||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||
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Information about the North Jetty at Eureka Surf forecast
The above surf forecast table for North Jetty 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 North Jetty at Eureka can be found by selecting the local surf guide option on the grey menu. Our North Jetty 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 (North Jetty 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 North Jetty 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.
North Jetty 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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