Surf Forecasts:
Troia surf forecast from 18 Aug 2026:
- Best quality surf: Monday 24 Aug, 10AM (local time) - 2.5ft (0.8m), 6s period, WNW swell with cross-offshore winds.
- Most powerful swell: Sunday 23 Aug, 7PM (local time) - 5ft (1.5m), 6s period, NW swell with 141 kJ wave energy.
- Next surfable swell (1★+): Monday 24 Aug, 10AM (local time) - 2.5ft (0.8m), 6s period with WNW swell.
Best Forecast Surf Conditions for Troia this week:
The surf forecast for Troia over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Aug 24) at 10AM. The primary swell is predicted to be 0.8m and 6s period with a secondary swell of 0.2m and 8s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Troia in the next 16 days are 1.5m 6s and forecast to arrive on Sunday (Aug 23) at 7PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 5s period and expected on Saturday (Aug 22) at 10PM.
| Wave Type | Time (WEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10AM (Mon 24th Aug) | 2.5ft (0.8m) 6s |
| Best Surf | 10AM (Mon 24th Aug) | 2.5ft (0.8m) 6s |
| Most Powerful | 7PM (Sun 23rd Aug) | 5ft (1.5m) 6s |
Table - best surf conditions forecast for Troia over the next 16 days.
The Lowdown
Alright, let’s talk Troia. I gotta level with you – it’s a tough couple of weeks. The finder’s showing me zero good options in the whole 16-day window. We’re staring down a long, quiet stretch, so if you’re keen, you’re pretty much just going for a swim.
From Tuesday the 18th through Sunday the 23rd, it’s dead. Swell is tiny, mostly under 0.7ft, and what little bump shows up is messed up by cross-on or onshore wind. You’ll see a spike Friday the 21st and Saturday the 22nd afternoons – a NW windswell around 5ft (combined energy of 107 moderate) – but a fresh 19 mph cross-shore breeze is gonna tear it apart. That’s looking more like a kite-surfing setup than a paddle session. The period is a short 5 seconds, so it’s just lumpy, weak junk.
Monday the 24th morning is the closest we get to anything. Clean skies, light 6 mph NNW cross-offshore wind, and a small WNW swell around 3ft with a 6-second period. The combined energy is only 54 (weak), but at least it’s surfable. Still, it’s not worth rushing for – barely breaking, and Troia is inconsistent as it is.
After that, it’s flat or close to it through the end of August and into September. You’ll spot a few 0.3ft blips with long periods from the SW (up to 18 seconds on the 31st) but with onshore wind and almost no energy, nothing’s gonna happen. For a spot that’s inconsistent and only for beginners anyway, this kind of dry spell isn’t shocking. Things could change, but right now, there’s nothing on the table.
Rusty.
Short Range ForecastMostly dry. Warm (max 24°C on Tue afternoon, min 19°C on Wed night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 25°C on Fri afternoon, min 17°C on Fri night). Mainly fresh winds. | ||||||||||||||||||||
Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | |||||||||||||||
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) | SW 14 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SW 5 | SW 5 | SSW 13 | SSW 14 | NW 7 | NW 5 | SSW 13 | SSW 14 | NW 5 | SSW 14 | SW 13 | NW 5 | SW 13 | WNW 6 | WNW 5 | NW 6 |
Wave Graph  | |||||||||||||||||||||
 kJ | 7 | 23 | 21 | 20 | 19 | 5 | 5 | 17 | 21 | 0 | 84 | 18 | 20 | 87 | 19 | 7 | 134 | 7 | 41 | 80 | 52 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | glassy | cross-on | on | on | on | on | cross-off | cross-off | cross | cross-off | cross-off | cross | cross-off | cross-off | cross | cross-off | cross-off | cross-on | cross-off |
High Tide | 6:51AM2.42m | 7:10PM2.36m | 7:33AM2.24m | 7:57PM2.11m | 8:26AM2.07m | 9:01PM1.91m | 9:40AM1.96m | 10:32PM1.82m | 11:12AM1.96m | 00:01AM1.88m | 12:26PM2.09m | 1:01AM2.02m | 1:17PM2.27m | 1:44AM2.18m | |||||||
Low Tide | 12:52PM0.57m | 1:14AM0.68m | 1:38PM0.78m | 1:59AM0.89m | 2:37PM0.97m | 3:02AM1.06m | 4:06PM1.07m | 4:36AM1.12m | 5:45PM1.03m | 6:04AM1.04m | 6:52PM0.89m | 7:01AM0.88m | 7:37PM0.71m | ||||||||
 | |  | | | | | | | | | | | |  | | | | | | | |
 | 6:50 | — | — | 6:52 | — | — | 6:52 | — | — | 6:54 | — | — | 6:54 | — | — | 6:56 | — | — | 6:56 | — | — |
 | — | 8:25 | — | — | 8:23 | — | — | 8:22 | — | — | 8:22 | — | — | 8:20 | — | — | 8:19 | — | — | 8:17 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 23 | 24 | 21 | 24 | 24 | 21 | 23 | 24 | 21 | 24 | 25 | 18 | 24 | 25 | 18 | 24 | 24 | 19 | 26 | 28 | 20 |
Feels °C | 23 | 22 | 22 | 23 | 24 | 23 | 22 | 22 | 20 | 20 | 19 | 15 | 19 | 19 | 14 | 20 | 18 | 16 | 25 | 25 | 18 |
Swell 1 Height (m) Direction Period (s) | NW 8 | NW 8 | NW 8 | WNW 8 | NW 7 | WNW 10 | WNW 9 | WNW 9 | WNW 9 | NW 7 | SSW 14 | WNW 9 | WNW 8 | SSW 14 | W 9 | WNW 8 | SW 13 | SW 13 | NW 8 | SW 13 | NW 7 |
| kJ | 42 | 32 | 21 | 12 | 8 | 38 | 32 | 45 | 44 | 91 | 20 | 32 | 28 | 20 | 14 | 14 | 7 | 7 | 29 | 7 | 13 |
Swell 2 Height (m) Direction Period (s) | WNW 8 | SSW 15 | WNW 8 | NNW 8 | WNW 8 | SW 5 | SW 5 | SSW 4 | SSW 14 | WNW 9 | W 11 | SSW 13 | NW 10 | — | SSW 14 | SW 13 | — | W 9 | W 8 | — | W 8 |
| kJ | 6 | 23 | 7 | 6 | 6 | 5 | 5 | 2 | 21 | 25 | 3 | 18 | 26 | — | 19 | 7 | — | 2 | 6 | — | 5 |
Swell 3 Height (m) Direction Period (s) | SW 14 | WNW 8 | SSW 15 | SSW 14 | SSW 14 | NNW 6 | NW 6 | SSW 13 | SW 4 | NNW 11 | — | — | SSW 14 | — | — | — | — | — | SW 13 | — | S 12 |
| kJ | 7 | 6 | 21 | 20 | 19 | 4 | 1 | 17 | 1 | 13 | — | — | 20 | — | — | — | — | — | 7 | — | 3 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | SSW 3 | — | — | — | NW 4 | — | NW 5 | NW 7 | NW 7 | NW 5 | NW 8 | NW 8 | NW 5 | NW 7 | WNW 6 | WNW 5 | NW 6 |
| kJ | — | — | — | — | 1 | — | — | — | 14 | — | 84 | 86 | 84 | 87 | 160 | 191 | 134 | 152 | 41 | 80 | 52 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 30 | 61 | 10 | 28 | 30 | 28 | 52 | 442 | 458 | 631 | 478 | 75 | 167 | 483 | 483 | 618 | 442 | 242 | 60 | 312 | 33 |
Best forecast wave conditions in Portugal - Alentejo | |||||||||||||||||||||
Best forecast wave conditions in Portugal | |||||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Troia surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Troia Surf forecast
The above surf forecast table for Troia provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Troia can be found by selecting the local surf guide option on the grey menu. Our Troia 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 (Troia) 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 Troia 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.
Troia is 9 km (6 miles) from Setubal. If you plan a holiday in Portugal - Alentejo, look for hotels and other accommodation in Setubal. Setubal has rooms for a wide range of budgets as well as car hire and transport links.
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