Surf Forecasts:
Samoa Peninsula surf forecast from 10 Aug 2026:
- Best quality surf: Monday 10 Aug, 11PM (local time) - 8ft (2.5m), 9s period, NW swell with glassy winds.
- Most powerful swell: Monday 10 Aug, 11PM (local time) - 8ft (2.5m), 9s period, NW swell with 1,124 kJ wave energy.
- Next surfable swell (1★+): Monday 10 Aug, 11PM (local time) - 8ft (2.5m), 9s period with NW swell.
Best Forecast Surf Conditions for Samoa Peninsula this week:
The surf forecast for Samoa Peninsula over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Aug 10) at 11PM. The primary swell is predicted to be 2.5m and 9s period with a secondary swell of 0.4m and 20s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Samoa Peninsula in the next 16 days are 2.5m 9s and forecast to arrive on Monday (Aug 10) at 11PM. Winds are predicted to be glassy at the time the swell arrives.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Mon 10th Aug) | 8ft (2.5m) 9s |
| Best Surf | 11PM (Mon 10th Aug) | 8ft (2.5m) 9s |
| Most Powerful | 11PM (Mon 10th Aug) | 8ft (2.5m) 9s |
Table - best surf conditions forecast for Samoa Peninsula over the next 16 days.
The Lowdown
Alright, Rusty here. Let’s talk about what’s going on.
First off, the water temp at Samoa Peninsula is sitting at about 56°, which is just a touch cooler than average for this time of year, but nothing too out of the ordinary. You’ll feel it, but it’s not a shocker.
Look, I’m gonna be straight with you – this 16-day window is a tough one for good waves. We’ve got some swell, but the quality of the surf is really fighting us. The first real chance of anything decent doesn’t roll in until Tuesday the 18th of August. Before that, we’re looking at a long run of “poor” to “marginal” conditions. Monday the 10th through to the morning of Monday the 17th is pretty much a write-off. We’ve got a persistent onshore or cross-onshore wind from the NNW and NW, blowing straight into the swell, making for choppy, messy conditions. The wave energy is moderate at best, but the period is a short 8 seconds, so it’s just weak, bumpy windswell.
So, the only standout I can point you to is Tuesday morning, August 18th. The swell hangs around a clean 5ft from the NW, still with a short 7-second period, but the wind flips to a light cross-offshore from the SSW at just 6 mph. That’s a game-changer for this spot. The combined energy is moderate, but the wind will make it clean and lined up. The comment says “expect good surf conditions,” which is about as good as it gets in this forecast. The wave energy is still moderate, but the clean conditions will make it the best on offer. This is your session.
Wednesday the 19th still has a 5ft NW swell, but the wind goes onshore again, so it’s back to the struggle.
After that, the swell fades out fast. From the 20th onward, we’re looking at small, weak leftovers with periods dropping and the swell direction swinging to the SW and WNW. The energy drops way down, and the wind stays on it. There’s a moment on Monday morning the 17th with glassy conditions and a tiny 2ft SW groundswell, but at 14 seconds, it’s long-period and small, likely breaking too straight on this beach setup – a real gamble for a knee-high ride.
Bottom line: If you’re keen, mark your calendar for Tuesday the 18th. The rest of the window is mostly a waiting game.
Rusty.
Short Range ForecastMostly dry. Very mild (max 15°C on Mon afternoon, min 12°C on Mon morning). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Very mild (max 15°C on Fri morning, min 12°C on Fri night). Wind will be generally light. | ||||||||||||||||||||
Monday 10 | Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | Sunday 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) | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 7 | NW 7 | SW 18 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 |
Wave Graph  | |||||||||||||||||||||
 kJ | 560 | 752 | 885 | 547 | 824 | 558 | 435 | 564 | 931 | 542 | 424 | 402 | 276 | 217 | 152 | 152 | 216 | 165 | 248 | 242 | 212 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | glassy | on | cross-on | cross-on | on | cross-on | cross-on | on | on | cross | cross-on | on | cross-on | on | cross-on | glassy | cross-on | on | glassy |
High Tide | 11:51AM1.65m | 10:37PM2.45m | 12:33PM1.76m | 11:34PM2.46m | 1:11PM1.86m | 00:26AM2.41m | 1:48PM1.95m | 1:17AM2.30m | 2:23PM2.03m | 2:07AM2.14m | 2:58PM2.08m | 2:57AM1.94m | 3:33PM2.09m | 3:50AM1.74m | |||||||
Low Tide | 4:28PM0.93m | 5:42AM-0.42m | 5:27PM0.78m | 6:27AM-0.43m | 6:21PM0.63m | 7:08AM-0.37m | 7:12PM0.50m | 7:48AM-0.23m | 8:03PM0.41m | 8:25AM-0.05m | 8:53PM0.34m | 9:01AM0.19m | 9:45PM0.32m | ||||||||
 | |  | | |  |  | | | | | | | | | | | | | | | |
 | 6:20 | — | — | 6:22 | — | — | 6:22 | — | — | 6:24 | — | — | 6:24 | — | — | 6:26 | — | — | 6:26 | — | — |
 | — | 8:22 | — | — | 8:20 | — | — | 8:19 | — | — | 8:17 | — | — | 8:15 | — | — | 8:15 | — | — | 8:13 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 15 | 14 | 14 | 15 | 15 | 14 | 15 | 14 | 14 | 14 | 13 | 15 | 15 | 13 | 14 | 14 | 12 | 14 | 14 | 15 |
Feels °C | 12 | 12 | 13 | 12 | 12 | 16 | 12 | 13 | 14 | 13 | 12 | 13 | 14 | 14 | 12 | 13 | 12 | 11 | 13 | 14 | 15 |
Swell 1 Height (m) Direction Period (s) | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | SW 16 | SW 16 | SW 15 |
| kJ | 560 | 752 | 885 | 547 | 824 | 558 | 435 | 564 | 931 | 542 | 424 | 402 | 276 | 217 | 152 | 115 | 84 | 47 | 248 | 242 | 212 |
Swell 2 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 14 | SW 13 | SW 14 | SW 18 | SW 18 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | SW 16 | W 10 | NW 7 | NW 6 | NW 6 |
| kJ | 33 | 73 | 66 | 28 | 31 | 111 | 109 | 75 | 91 | 125 | 89 | 86 | 115 | 75 | 74 | 102 | 216 | 50 | 44 | 34 | 32 |
Swell 3 Height (m) Direction Period (s) | WNW 12 | WSW 20 | SW 20 | SW 19 | SW 18 | SW 14 | SW 13 | WNW 13 | SW 13 | W 12 | W 12 | W 11 | WNW 11 | WNW 11 | SW 18 | SW 18 | WNW 8 | SW 16 | W 10 | W 9 | WNW 9 |
| kJ | 28 | 38 | 60 | 58 | 52 | 53 | 27 | 33 | 27 | 26 | 26 | 23 | 24 | 22 | 112 | 152 | 14 | 165 | 49 | 45 | 26 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 254 | 112 | 0 | 224 | 592 | 13 | 322 | 88 | 23 | 108 | 504 | 23 | 170 | 108 | 23 | 108 | 87 | 0 | 110 | 38 | 0 |
Best forecast wave conditions in Humboldt County | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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Information about the Samoa Peninsula Surf forecast
The above surf forecast table for Samoa Peninsula provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Samoa Peninsula can be found by selecting the local surf guide option on the grey menu. Our Samoa Peninsula 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 (Samoa Peninsula) 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 Samoa Peninsula 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.
Samoa Peninsula is 5 km (3 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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