Surf Forecasts:
Troia surf forecast from 22 Aug 2026:
- Best quality surf: Tuesday 25 Aug, 7AM (local time) - 4.5ft (1.3m), 7s period, W swell with glassy winds.
- Most powerful swell: Monday 24 Aug, 1PM (local time) - 8ft (2.4m), 8s period, WSW swell with 840 kJ wave energy.
- Next surfable swell (1★+): Tuesday 25 Aug, 7AM (local time) - 4.5ft (1.3m), 7s period with W 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 Tuesday (Aug 25) at 7AM. The primary swell is predicted to be 1.3m and 7s period with a secondary swell of 0.1m and 12s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Troia in the next 16 days are 2.4m 8s and forecast to arrive on Monday (Aug 24) at 1PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.9m 12s period and expected on Sunday (Aug 23) at 7AM.
| Wave Type | Time (WEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7AM (Tue 25th Aug) | 4.5ft (1.3m) 7s |
| Best Surf | 7AM (Tue 25th Aug) | 4.5ft (1.3m) 7s |
| Most Powerful | 1PM (Mon 24th Aug) | 8ft (2.4m) 8s |
Table - best surf conditions forecast for Troia over the next 16 days.
The Lowdown
Alright, Rusty here. Let's take a hard look at what Troia has got cookin' for the next couple of weeks.
Honestly, it's a pretty flat and quiet picture. We're looking at a long stretch of nothing much, followed by a few small windows where something might be worth a look, but nothing that'll have you calling in sick. The first bit of genuine surfable energy doesn't really show up until Tuesday morning, the 25th of August. Before that, it's all tiny wind ripples and poor conditions – you're better off staying on the beach for a cold one.
So, gear up for a bit of a lull. The only real blip on the radar comes Tuesday morning, the 25th. The wind is forecast to be glassy – dead calm – which is a beautiful thing for the clean surface. You'll see a weak 4ft wave from the west, but with a short period of just 7 seconds, it's gonna be a bit lumpy and weak. The combined energy is only 119, which is weak (119). It's surfable for a beginner, sure, but don't expect any power. Later that afternoon, it drops off to nothing.
The rest of the outlook is just a lot of next-to-nothing. There's a brief pop of a 5ft south-southwest slop on Sunday the 23rd afternoon, but with onshore wind and a storm risk, it's a total write-off. Monday the 24th sees some bigger swell – 7ft from the west-southwest and 6ft from the west – but the wind is onshore and strong. The combined energy hits up to 666 (moderate) and 637 (moderate), but it's just messy, choppy, and blown out. This setup looks more interesting for kite surfing than paddle surfing.
From the 31st of August right through to the 6th of September, it's a whole lot of clean, tiny, and flat conditions with weak, long-period swells that do nothing for the beach breaks here. The water temperature is about average for the time of year, nothing special.
Honestly, in this region, a blank run like this happens. Forecasts can change, but right now, there's nothing to get excited about.
Stay tuned, Rusty.
Short Range ForecastModerate rain (total 15mm), heaviest on Sun afternoon. Warm (max 22°C on Mon morning, min 16°C on Fri night). Winds increasing (calm on Fri night, fresh winds from the SSW by Sun morning). | Days 4-6 Weather SummarySome drizzle, heaviest during Wed morning. Warm (max 24°C on Thu afternoon, min 19°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | |||||||||||||||
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) | SSW 14 | SSW 14 | W 9 | SSW 13 | SSW 6 | W 9 | WSW 8 | W 8 | W 8 | W 7 | SW 12 | SW 12 | W 6 | SW 11 | SW 11 | SW 11 | SW 11 | NW 5 | S 11 | S 10 | NW 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 20 | 20 | 37 | 18 | 127 | 469 | 659 | 501 | 300 | 113 | 6 | 6 | 26 | 5 | 5 | 5 | 5 | 17 | 2 | 2 | 0 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | cross-on | cross-on | cross-on | cross-on | on | on | on | glassy | on | cross-on | on | on | cross | cross-off | cross | cross-off | cross-off | cross-off | cross-off |
High Tide | 11:12AM1.96m | 00:01AM1.88m | 12:26PM2.09m | 1:01AM2.02m | 1:17PM2.27m | 1:44AM2.18m | 1:57PM2.46m | 2:19AM2.35m | 2:31PM2.64m | 2:52AM2.49m | 3:04PM2.78m | 3:23AM2.61m | 3:35PM2.89m | 3:54AM2.69m | |||||||
Low Tide | 4:36AM1.12m | 5:45PM1.03m | 6:04AM1.04m | 6:52PM0.89m | 7:01AM0.88m | 7:37PM0.71m | 7:42AM0.70m | 8:13PM0.53m | 8:17AM0.52m | 8:45PM0.37m | 8:49AM0.37m | 9:16PM0.23m | 9:21AM0.25m | 9:47PM0.13m | |||||||
 | |  |  |  |  |  | | |  |  | | | |  | | | | | | | |
 | 6:54 | — | — | 6:56 | — | — | 6:56 | — | — | 6:58 | — | — | 6:58 | — | — | 6:58 | — | — | 7:00 | — | — |
 | — | 8:20 | — | — | 8:19 | — | — | 8:17 | — | — | 8:15 | — | — | 8:15 | — | — | 8:13 | — | — | 8:12 | — |
mm | — | — | — | 1 | 7 | 5 | 2 | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — |
Temp °C | 21 | 21 | 19 | 21 | 21 | 21 | 22 | 22 | 21 | 21 | 22 | 21 | 22 | 23 | 20 | 23 | 24 | 18 | 24 | 27 | 18 |
Feels °C | 19 | 18 | 19 | 18 | 19 | 20 | 19 | 20 | 22 | 23 | 21 | 22 | 20 | 21 | 19 | 21 | 19 | 15 | 20 | 22 | 14 |
Swell 1 Height (m) Direction Period (s) | WNW 9 | W 9 | WNW 15 | W 11 | WNW 10 | W 9 | SW 13 | W 8 | W 8 | W 7 | W 7 | W 6 | W 6 | SW 11 | WNW 8 | WNW 8 | SW 11 | NW 8 | WNW 8 | S 10 | NW 10 |
| kJ | 58 | 39 | 405 | 882 | 511 | 469 | 7 | 501 | 300 | 113 | 92 | 41 | 26 | 5 | 159 | 104 | 5 | 62 | 52 | 2 | 391 |
Swell 2 Height (m) Direction Period (s) | NW 10 | NNW 10 | W 9 | SSW 13 | SSW 13 | SW 13 | — | SW 13 | SW 12 | SW 12 | SW 12 | W 10 | W 9 | — | SW 11 | NW 9 | — | NW 11 | NW 10 | S 10 | — |
| kJ | 48 | 37 | 37 | 18 | 17 | 7 | — | 6 | 6 | 6 | 6 | 2 | 2 | — | 5 | 62 | — | 5 | 33 | 2 | — |
Swell 3 Height (m) Direction Period (s) | SSW 14 | SSW 14 | NNW 9 | — | N 8 | N 8 | — | — | — | — | — | SW 12 | SW 12 | — | — | SW 11 | — | S 11 | S 11 | — | — |
| kJ | 20 | 20 | 16 | — | 1 | 1 | — | — | — | — | — | 6 | 5 | — | — | 5 | — | 2 | 2 | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | SSW 6 | SSW 5 | WSW 8 | SSW 6 | — | — | — | — | — | W 7 | — | — | WNW 8 | NW 5 | — | WNW 9 | — |
| kJ | — | — | — | — | 127 | 85 | 659 | 130 | — | — | — | — | — | 89 | — | — | 165 | 17 | — | 138 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 52 | 458 | 29 | 73 | 110 | 73 | 464 | 195 | 46 | 28 | 442 | 111 | 52 | 442 | 47 | 47 | 331 | 47 | 47 | 162 | 47 |
Best forecast wave conditions in Portugal - Alentejo | |||||||||||||||||||||
Best forecast wave conditions in Portugal | |||||||||||||||||||||
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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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