Surf Forecasts:
Troia surf forecast from 13 Jul 2026:
- Best quality surf: Saturday 18 Jul, 10PM (local time) - 3.5ft (1.1m), 6s period, NW swell with cross-offshore winds.
- Most powerful swell: Saturday 18 Jul, 10PM (local time) - 3.5ft (1.1m), 6s period, NW swell with 75 kJ wave energy.
- Next surfable swell (1★+): Saturday 18 Jul, 10PM (local time) - 3.5ft (1.1m), 6s period with NW 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 Saturday (Jul 18) at 10PM. The primary swell is predicted to be 1.1m and 6s period with a secondary swell of 0.1m and 12s. 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 1.1m 6s and forecast to arrive on Saturday (Jul 18) at 10PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 6s period and expected on Sunday (Jul 19) at 1AM.
| Wave Type | Time (WEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10PM (Sat 18th Jul) | 3.5ft (1.1m) 6s |
| Best Surf | 10PM (Sat 18th Jul) | 3.5ft (1.1m) 6s |
| Most Powerful | 10PM (Sat 18th Jul) | 3.5ft (1.1m) 6s |
Table - best surf conditions forecast for Troia over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s have a look at what's on the table for Troia.
Right off the bat, I gotta be straight with you – this 16-day window is a real stinker for surf. There’s no sugar-coating it. We are looking at a long dry spell with barely a ripple worth paddling for. The first recommendation doesn’t even pop up until July 13th, and even then it’s honestly just not worth getting wet for. From start to finish, the forecast is full of weak, short-period swell and messy wind.
The only break on offer is Troia itself. It’s a beginner spot that’s inconsistent, and the water temp is sitting at 74°, which is much warmer than normal for this time of year. You’ll be having a warm bath, but no waves to play in.
Let’s run through the pain. The whole first week is dominated by tiny swell – we’re talking 0.3ft to 2ft at best. The combined energy is pathetic, like 6 to 20 (weak energy). The period is mostly under 8 seconds, so it’s just wind slop. Most afternoons are blown out with a cross-onshore breeze, and when the wind goes light and clean in the mornings, there’s simply no swell to use it.
The second week doesn’t get any better. July 21st through the 28th is more of the same: flat mornings and tiny, choppy afternoons. The biggest bit of height we see is 3ft on the afternoon of July 17th, but that’s a 4-second period with a cross-onshore wind – it’s just bumpy whitewater. The combined energy hits a low high of 66 (weak energy) on July 18th afternoon, but the wave comment gives it away: poor surf conditions.
Honestly, there is no standout here. Not one day offers clean, rideable waves. This stretch of coastline is just locked into a flat spell. For a spot like Troia, a blank run like this is pretty normal when the summer patterns set in. It tends not to stay poor for long, but right now? Forget about it. If you’ve got a kite, the afternoon cross-onshore breezes and flat water might be your only fun. For a paddle surfer, it’s a two-week wait for a wave that never shows.
Rusty, signing out.
Short Range ForecastMostly dry. Warm (max 26°C on Thu morning, min 18°C on Mon night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 30°C on Sun morning, min 17°C on Fri night). Wind will be generally light. | ||||||||||||||||||||
Mon 13 | Tuesday 14 | Wednesday 15 | Thursday 16 | Friday 17 | Saturday 18 | Sunday 19 | |||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | WSW 6 | SW 13 | SW 16 | SW 12 | SW 12 | WNW 9 | SW 15 | WNW 4 | WNW 6 | W 6 | NW 4 | W 5 | WNW 4 | NW 5 | W 6 | WNW 5 | S 12 | WNW 6 | S 18 | W 8 | W 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 14 | 7 | 10 | 6 | 6 | 0 | 8 | 8 | 13 | 15 | 4 | 4 | 31 | 30 | 1 | 51 | 3 | 0 | 6 | 5 | 5 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-off | glassy | cross-on | cross-off | glassy | cross-on | cross | cross | cross-on | cross-off | cross-off | cross-on | cross-off | cross-off | cross-on | glassy | cross-off | cross-on | cross-off | cross-off |
High Tide | 2:59AM2.72m | 3:18PM3.02m | 3:49AM2.78m | 4:06PM3.11m | 4:36AM2.78m | 4:53PM3.12m | 5:22AM2.72m | 5:39PM3.04m | 6:07AM2.62m | 6:24PM2.88m | 6:52AM2.48m | 7:10PM2.66m | 7:39AM2.34m | ||||||||
Low Tide | 8:46PM0.11m | 9:01AM0.20m | 9:37PM-0.01m | 9:49AM0.12m | 10:26PM-0.06m | 10:34AM0.11m | 11:12PM-0.02m | 11:19AM0.16m | 11:57PM0.08m | 12:03PM0.27m | 00:41AM0.25m | 12:48PM0.43m | 1:26AM0.44m | ||||||||
 |  |  | |  | | | | | | | | | | | | | | | | | |
 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:24 | — | — | 6:24 | — | — | 6:26 | — | — | 6:26 |
 | — | 9:00 | — | 8:59 | — | — | 8:59 | — | — | 8:58 | — | — | 8:58 | — | — | 8:57 | — | — | 8:55 | — | 8:55 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 23 | 20 | 23 | 24 | 20 | 24 | 25 | 21 | 26 | 27 | 21 | 25 | 28 | 21 | 25 | 29 | 23 | 30 | 33 | 28 | 35 |
Feels °C | 21 | 19 | 21 | 21 | 20 | 23 | 22 | 20 | 24 | 23 | 20 | 23 | 25 | 18 | 25 | 28 | 22 | 28 | 30 | 26 | 32 |
Swell 1 Height (m) Direction Period (s) | WNW 8 | WNW 7 | WNW 7 | WNW 6 | WNW 7 | WNW 9 | SW 12 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 8 | — | WNW 8 | WNW 5 | SW 19 | NW 6 | WNW 6 | NNW 10 | WNW 5 | NW 7 |
| kJ | 12 | 42 | 26 | 23 | 25 | 28 | 5 | 25 | 27 | 26 | 25 | 13 | — | 13 | 25 | 15 | 45 | 12 | 9 | 15 | 23 |
Swell 2 Height (m) Direction Period (s) | NW 8 | WNW 12 | WNW 11 | WNW 11 | WNW 10 | WNW 6 | SW 15 | SW 13 | WNW 6 | S 11 | W 5 | W 5 | — | W 6 | WNW 8 | — | WNW 8 | NW 8 | W 9 | NW 9 | W 8 |
| kJ | 10 | 15 | 12 | 22 | 32 | 6 | 8 | 6 | 10 | 2 | 2 | 4 | — | 1 | 7 | — | 11 | 10 | 2 | 20 | 5 |
Swell 3 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 16 | SW 12 | SW 12 | WNW 7 | S 15 | — | S 13 | S 13 | S 14 | W 6 | — | S 14 | W 6 | — | S 12 | WNW 7 | S 18 | W 8 | W 13 |
| kJ | 7 | 7 | 10 | 6 | 6 | 4 | 4 | — | 3 | 3 | 4 | 3 | — | 4 | 1 | — | 3 | 5 | 6 | 5 | 3 |
Wind waves Height (m) Direction Period (s) | WSW 6 | — | — | — | — | — | W 9 | WNW 4 | WNW 6 | W 6 | NW 4 | — | WNW 4 | NW 5 | — | WNW 5 | NW 6 | — | NW 8 | — | — |
| kJ | 14 | — | — | — | — | — | 57 | 8 | 13 | 15 | 3 | — | 31 | 30 | — | 51 | 113 | — | 57 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 425 | 48 | 10 | 464 | 52 | 48 | 463 | 323 | 52 | 312 | 415 | 523 | 1348 | 323 | 56 | 488 | 10 | 29 | 129 | 18 | 56 |
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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