Surf Forecasts:
Troia surf forecast from 23 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: Sunday 23 Aug, 10PM (local time) - 7ft (2.1m), 10s period, WSW swell with 788 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 2.1m 10s and forecast to arrive on Sunday (Aug 23) at 10PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.9m 10s period and expected on Friday (Aug 28) at 7PM.
| 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 | 10PM (Sun 23rd Aug) | 7ft (2.1m) 10s |
Table - best surf conditions forecast for Troia over the next 16 days.
The Lowdown
Alright, this is Rusty, and I gotta be straight with you – the outlook for Troia over the next couple of weeks is a tough one. There’s a proper dry spell to start, with basically nothing worth paddling out for. The first few days are a write-off. Sunday the 23rd and Monday the 24th are a no-go: strong onshore winds and lumpy, messy conditions. You’re looking at a real gap here with no real surf on offer.
The first faint glimmer comes on Tuesday morning, the 25th of August. The wind goes glassy, which is a huge positive, and the swell is a tiny 4ft from the west, but the period is short at 7 seconds. The combined energy is weak (156). It’s surfable, but very ordinary. That’s your best bet, and it’s not saying much. After that, it’s back to small, choppy, or flat conditions for the rest of the week and into the next. The energy stays low, mostly under 30, with a few pulses of weak, long-period swell from the south that just don’t have any push.
Looking further out, the second week is more of the same. There’s no standout. The water temperature is about average for the time of year, nothing to write home about. With such small, weak swell and often a cross-shore or onshore breeze, the setup here is honestly more interesting for a kite surfer than a paddle surfer for most of this period. The best you can hope for is a clean, tiny wave on a light wind morning, but it’s a real gamble. We’ll see if the forecasts change, but for now, it’s a blank run.
Rusty.
Short Range ForecastModerate rain (total 10mm), heaviest on Sun afternoon. Warm (max 23°C on Tue afternoon, min 18°C on Sat night). Winds decreasing (fresh winds from the SSW on Sun afternoon, calm by Mon night). | Days 4-6 Weather SummarySome drizzle, heaviest during Wed morning. Warm (max 26°C on Fri afternoon, min 17°C on Thu night). Wind will be generally light. | ||||||||||||||||||||
Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | |||||||||||||||
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 13 | SSW 6 | W 9 | WSW 8 | WSW 8 | W 8 | W 7 | SW 12 | SW 12 | SW 12 | W 6 | SW 11 | SW 11 | SW 11 | S 11 | S 10 | WNW 10 | NW 10 | NW 10 | NW 9 | NW 6 |
Wave Graph  | |||||||||||||||||||||
 kJ | 18 | 127 | 521 | 592 | 547 | 291 | 150 | 6 | 6 | 5 | 55 | 5 | 5 | 5 | 2 | 2 | 0 | 0 | 0 | 0 | 44 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | cross-on | on | on | on | glassy | on | on | on | cross-on | cross-on | on | cross-on | cross-off | cross-off | cross | cross-off | cross-off | cross-on | cross-off |
High Tide | 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 | 4:06PM2.94m | ||||||||
Low Tide | 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 | 9:52AM0.18m | 10:18PM0.09m | |||||||
 |  |  |  |  |  | | |  | | | | | | | | | | | | | |
 | 6:56 | — | — | 6:56 | — | — | 6:58 | — | — | 6:58 | — | — | 6:58 | — | — | 7:00 | — | — | 7:01 | — | — |
 | — | 8:19 | — | — | 8:17 | — | — | 8:15 | — | — | 8:15 | — | — | 8:13 | — | — | 8:12 | — | — | 8:09 | — |
mm | — | 3 | 4 | 3 | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 22 | 21 | 21 | 22 | 22 | 21 | 22 | 23 | 21 | 21 | 23 | 20 | 21 | 22 | 19 | 23 | 26 | 18 | 25 | 28 | 21 |
Feels °C | 18 | 18 | 19 | 19 | 20 | 22 | 21 | 22 | 22 | 20 | 21 | 20 | 19 | 18 | 17 | 21 | 22 | 14 | 23 | 26 | 19 |
Swell 1 Height (m) Direction Period (s) | WNW 11 | WNW 10 | W 9 | SW 13 | WSW 8 | W 8 | W 7 | W 7 | W 7 | W 6 | W 6 | W 7 | WNW 8 | WNW 8 | WNW 8 | WNW 10 | — | NW 10 | NW 10 | — | NW 9 |
| kJ | 657 | 441 | 521 | 7 | 547 | 291 | 150 | 121 | 57 | 28 | 55 | 72 | 140 | 151 | 223 | 427 | — | 412 | 213 | — | 40 |
Swell 2 Height (m) Direction Period (s) | SSW 13 | SSW 13 | SW 13 | — | SW 13 | SW 12 | SW 12 | SW 12 | W 10 | W 9 | NW 9 | NW 8 | SW 11 | SW 11 | S 11 | S 10 | — | — | — | — | S 12 |
| kJ | 18 | 17 | 7 | — | 6 | 6 | 6 | 6 | 2 | 2 | 3 | 17 | 5 | 5 | 2 | 2 | — | — | — | — | 3 |
Swell 3 Height (m) Direction Period (s) | — | N 8 | N 8 | — | — | — | — | — | SW 12 | SW 12 | SW 11 | SW 11 | — | — | — | — | — | — | — | — | — |
| kJ | — | 1 | 1 | — | — | — | — | — | 6 | 5 | 5 | 5 | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSE 4 | SSW 6 | S 5 | WSW 8 | — | — | — | — | — | SSW 3 | — | — | — | — | — | — | WNW 10 | — | — | NW 9 | NW 6 |
| kJ | 10 | 127 | 51 | 592 | — | — | — | — | — | 3 | — | — | — | — | — | — | 541 | — | — | 225 | 44 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 73 | 209 | 73 | 464 | 195 | 47 | 28 | 73 | 104 | 73 | 539 | 83 | 73 | 157 | 37 | 33 | 162 | 47 | 33 | 463 | 37 |
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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