Surf Forecasts:
Santa Maria de Oia surf forecast from 31 Aug 2026:
- Best quality surf: Sunday 6 Sep, 5AM (local time) - 3ft (0.9m), 11s period, NW swell with glassy winds.
- Most powerful swell: Monday 31 Aug, 11PM (local time) - 6.5ft (2.0m), 10s period, NW swell with 723 kJ wave energy.
- Next surfable swell (1★+): Thursday 3 Sep, 5AM (local time) - 2.5ft (0.8m), 7s period with NW swell.
Best Forecast Surf Conditions for Santa Maria de Oia this week:
The surf forecast for Santa Maria de Oia over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Sep 03) at 5AM. The primary swell is predicted to be 0.8m and 7s period with a secondary swell of 0.4m and 9s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Santa Maria de Oia in the next 16 days are 2.0m 10s and forecast to arrive on Monday (Aug 31) at 11PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.2m 15s period and expected on Wednesday (Sep 02) at 11AM.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Thu 3rd Sep) | 2.5ft (0.8m) 7s |
| Best Surf | 5AM (Sun 6th Sep) | 3ft (0.9m) 11s |
| Most Powerful | 11PM (Mon 31st Aug) | 6.5ft (2.0m) 10s |
Table - best surf conditions forecast for Santa Maria de Oia over the next 16 days.
The Lowdown
G’day, I’m Rusty. Let’s have a look at what’s coming up for Santa Maria de Oia, a reef break that’s exposed to NW swell. Water temp is sitting at 66°F, which is about average for this time of year—nothing unusual there.
Right off the bat, the outlook is pretty lean. The first week or so is mostly a write-off, with poor or marginal conditions through the end of August and into early September. There’s a gap of several days where there’s really nothing worth paddling out for. The first glimmer of hope comes on Thursday, 3rd September, but those waves are tiny—around 3ft from the NW with a weak energy of just 91 – nothing to get excited about. The wind is glassy though, so if you’re desperate for a longboard session, that’s the cleanest window you’ll see for a while.
The real standout comes much later. Look to Sunday, 13th September, and Monday, 14th September. On Sunday morning, the swell is a modest 4ft from the WNW with moderate energy (205) and glassy conditions. The afternoon picks up a little more punch with 4ft from the W, light offshore off the SSW, and clean conditions – that’s the best combo of the whole forecast. Monday morning follows with a similar vibe: 5ft from the W, glassy offshore wind, and moderate energy (403). This is the pick of the 16-day window. The swell direction is a bit west of the optimum NW, but the clean conditions and reef setup should still offer some lined-up waves. Just note that this is 13th and 14th September, so it’s a way off – promising but with a bit of uncertainty.
For the rest of the second week, apart from those two standouts, it’s mostly small and messy, with cross-onshore winds and low energy. Not worth a dedicated mission.
Signing off, Rusty.
Short Range ForecastMostly dry. Warm (max 26°C on Wed afternoon, min 15°C on Mon night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 31°C on Sat afternoon, min 18°C on Thu night). Wind will be generally light. | ||||||||||||||||||
Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | ||||||||||||||
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 9 | NW 10 | NW 10 | NW 9 | NW 9 | NW 9 | NW 8 | NW 8 | NW 7 | NNW 7 | WNW 8 | WNW 8 | WNW 8 | WNW 12 | NW 12 | NW 11 | NW 10 | NW 9 | NW 9 |
Wave Graph  | |||||||||||||||||||
 kJ | 353 | 622 | 609 | 542 | 359 | 281 | 239 | 96 | 89 | 76 | 47 | 38 | 59 | 378 | 594 | 538 | 309 | 225 | 166 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | on | cross-on | cross-on | on | cross-on | cross-on | on | cross | glassy | glassy | glassy | cross-on | on | cross-on | cross-on | on | cross |
High Tide | 6:29AM2.97m | 6:43PM3.09m | 7:04AM2.91m | 7:21PM2.95m | 7:43AM2.80m | 8:04PM2.76m | 8:29AM2.65m | 8:57PM2.53m | 9:29AM2.48m | 10:10PM2.32m | 10:51AM2.37m | 11:47PM2.23m | |||||||
Low Tide | 00:20AM0.10m | 12:30PM0.19m | 00:54AM0.18m | 1:07PM0.28m | 1:31AM0.32m | 1:49PM0.43m | 2:13AM0.51m | 2:40PM0.62m | 3:07AM0.73m | 3:47PM0.80m | 4:20AM0.92m | 5:20PM0.90m | |||||||
 |  | |  | | | | | | | | | | | | | | |  | |
 | — | 7:58 | — | — | 8:00 | — | — | 8:00 | — | — | 8:02 | — | — | 8:03 | — | — | 8:03 | — | — |
 | 9:13 | — | — | 9:10 | — | — | 9:09 | — | — | 9:07 | — | — | 9:06 | — | — | 9:05 | — | — | 9:02 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 18 | 20 | 18 | 16 | 21 | 20 | 19 | 26 | 26 | 23 | 26 | 22 | 21 | 25 | 22 | 22 | 31 | 29 |
Feels °C | 19 | 16 | 17 | 15 | 14 | 19 | 18 | 18 | 24 | 25 | 23 | 25 | 23 | 19 | 23 | 21 | 21 | 28 | 28 |
Swell 1 Height (m) Direction Period (s) | NW 9 | NW 10 | NW 10 | NW 9 | NW 9 | NW 9 | NW 8 | NW 8 | NW 7 | NNW 7 | WNW 8 | WNW 8 | WNW 8 | WNW 12 | NW 12 | NW 11 | NW 10 | NW 9 | NW 9 |
| kJ | 353 | 622 | 609 | 542 | 359 | 281 | 239 | 96 | 52 | 76 | 47 | 38 | 59 | 378 | 594 | 538 | 309 | 225 | 166 |
Swell 2 Height (m) Direction Period (s) | — | S 18 | SW 18 | SW 16 | SW 16 | SW 16 | SW 15 | SSW 15 | SSW 16 | NW 9 | NW 5 | NW 4 | NW 11 | SSW 14 | SW 13 | SW 13 | SW 13 | NW 13 | NW 12 |
| kJ | — | 6 | 12 | 11 | 10 | 10 | 9 | 21 | 24 | 21 | 11 | 5 | 18 | 19 | 7 | 7 | 7 | 46 | 114 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | S 10 | — | — | N 8 | N 8 | NW 7 | SSW 15 | SSW 14 | NNW 9 | — | — | — | NW 16 | SW 13 | SW 12 |
| kJ | — | — | — | — | 2 | — | — | 1 | 1 | 14 | 21 | 21 | 7 | — | — | — | 10 | 6 | 6 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | NW 7 | — | — | — | — | NW 4 | NW 5 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | 89 | — | — | — | — | 6 | 22 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 65 | 17 | 21 | 65 | 17 | 21 | 95 | 21 | 21 | 95 | 17 | 17 | 21 | 21 | 21 | 85 | 35 | 17 | 21 |
Best forecast wave conditions in Galicia | |||||||||||||||||||
Best forecast wave conditions in Spain (Europe) | |||||||||||||||||||
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Information about the Santa Maria de Oia Surf forecast
The above surf forecast table for Santa Maria de Oia provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Santa Maria de Oia can be found by selecting the local surf guide option on the grey menu. Our Santa Maria de Oia 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 (Santa Maria de Oia) 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 Santa Maria de Oia 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.
Santa Maria de Oia is 17 km (11 miles) from Nigran. If you plan a holiday in Galicia, look for hotels and other accommodation in Nigran. Nigran has rooms for a wide range of budgets as well as car hire and transport links.
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