Surf Forecasts:
Troia surf forecast from 1 Aug 2026:
- Most powerful swell: Thursday 6 Aug, 7PM (local time) - 4.5ft (1.3m), 5s period, WNW swell with 83 kJ wave energy.
Best Forecast Surf Conditions for Troia this week:
The most powerful waves expected at Troia in the next 16 days are 1.3m 5s and forecast to arrive on Thursday (Aug 06) 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 8s period and expected on Saturday (Aug 01) at 7PM.
| Wave Type | Time (WEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 7PM (Thu 6th Aug) | 4.5ft (1.3m) 5s |
Table - best surf conditions forecast for Troia over the next 16 days.
The Lowdown
Alright, folks, Rusty here. Let's be straight with you. I’ve combed through the numbers for the next two weeks, and I gotta say, it’s a tough watch. The surf engine is just not firing for us.
The whole 16-day window is a total dud. There's absolutely nothing worth paddling out for. The first recommendation doesn't even appear, and the pattern stays flat right through to the 16th of August. You’re looking at a long, blank run with no real swell to speak of.
The only spot on the radar is Troia. The water is sitting at a much warmer than normal 74°, which is a solid 5° above what you’d expect for this time of year, so a dip will feel like a bath. But that’s where the good news ends.
Let’s run through the motions. This Saturday morning, the 1st of August, there’s no swell and a light cross-offshore breeze from the north at 6 mph. It’s clean, but there’s nothing to ride. The same goes for the rest of the first week. We see a tiny pulse on the 6th of August – Thursday morning shows a 3 ft swell from the northwest with a super short period of 5 seconds, and the combined energy is a weak 36. The wind is cross-off from the NNW at 12 mph, so it’ll be clean. But that swell is so weak and short-period it’s barely a ripple. That’s not a surf session; that’s a float.
We get a bit of a pulse on the 12th of August, Wednesday morning. It’s glassy, with a 3 ft swell from the northwest, period of 6 seconds, and combined energy of 46. It’s still weak. The afternoon picks up a little to 4 ft from the northwest, but the wind swings cross-onshore from the WSW at 9 mph, making it choppy. That’s the best of a bad bunch, and it’s still not worth a mention.
The bottom line? There’s no standout. There’s no surf. The combined swell energy never even cracks three digits. The wind is either onshore, flat, or just too weak to matter. For a beach break like Troia, with this kind of weak, short-period slop, you’d have more fun on a kiteboard than a surfboard. It’s just one of those stretches. The forecasts can always change, but right now, I’d save the gas and wax.
Rusty, signing off.
Short Range ForecastMostly dry. Warm (max 30°C on Sat afternoon, min 18°C on Sat night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 31°C on Thu afternoon, min 18°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Saturday 1 | Sunday 2 | Monday 3 | Tuesday 4 | Wednesday 5 | Thursday 6 | Friday 7 | |||||||||||||||
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) | W 9 | W 8 | NW 5 | NW 4 | WNW 8 | WNW 4 | W 9 | S 14 | S 13 | S 13 | S 13 | WNW 4 | W 8 | S 12 | WNW 7 | NW 5 | S 13 | NW 5 | S 12 | S 12 | S 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 0 | 21 | 19 | 9 | 0 | 5 | 0 | 4 | 3 | 3 | 3 | 7 | 0 | 3 | 0 | 36 | 3 | 27 | 3 | 3 | 3 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-on | cross | cross | cross-on | cross | on | on | cross-off | on | cross-on | cross | cross | cross | cross-off | cross-off | cross | cross-off | cross | cross | cross |
High Tide | 5:08PM2.81m | 5:28AM2.54m | 5:41PM2.75m | 6:03AM2.50m | 6:18PM2.66m | 6:43AM2.44m | 7:00PM2.53m | 7:29AM2.35m | 7:51PM2.37m | 8:27AM2.25m | 8:58PM2.23m | 9:41AM2.20m | 10:23PM2.16m | ||||||||
Low Tide | 10:52AM0.30m | 11:21PM0.25m | 11:25AM0.33m | 11:54PM0.29m | 12:01PM0.40m | 00:31AM0.37m | 12:42PM0.50m | 1:13AM0.49m | 1:31PM0.62m | 2:05AM0.63m | 2:35PM0.74m | 3:13AM0.75m | 3:58PM0.79m | ||||||||
 | |  | | |  | | | | | | | | | | | | | | | | |
 | 6:35 | — | — | 6:37 | — | — | 6:37 | — | — | 6:39 | — | — | 6:39 | — | — | 6:41 | — | — | 6:41 | — | — |
 | — | 8:45 | — | — | 8:45 | — | — | 8:44 | — | — | 8:43 | — | — | 8:42 | — | — | 8:40 | — | — | 8:38 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 30 | 21 | 27 | 28 | 21 | 23 | 23 | 21 | 24 | 26 | 22 | 27 | 29 | 20 | 28 | 31 | 21 | 28 | 30 | 21 |
Feels °C | 26 | 28 | 20 | 25 | 25 | 20 | 22 | 22 | 23 | 22 | 24 | 22 | 26 | 26 | 17 | 25 | 26 | 18 | 26 | 26 | 20 |
Swell 1 Height (m) Direction Period (s) | W 9 | NW 8 | W 9 | W 9 | W 10 | W 10 | W 9 | WNW 9 | WNW 7 | W 9 | W 9 | W 8 | W 8 | NNW 9 | WNW 10 | WNW 6 | S 13 | WNW 10 | WNW 9 | WNW 9 | WNW 9 |
| kJ | 78 | 3 | 56 | 55 | 68 | 48 | 43 | 64 | 69 | 99 | 96 | 68 | 63 | 8 | 34 | 37 | 3 | 30 | 28 | 28 | 26 |
Swell 2 Height (m) Direction Period (s) | NW 6 | W 8 | NW 8 | W 11 | NW 8 | N 7 | — | S 14 | WNW 9 | S 13 | S 13 | NW 11 | WNW 10 | S 12 | NNW 8 | WNW 10 | S 13 | NNW 9 | S 12 | NNW 8 | NNW 8 |
| kJ | 11 | 21 | 2 | 2 | 2 | 1 | — | 4 | 46 | 3 | 3 | 4 | 20 | 3 | 7 | 32 | 3 | 8 | 3 | 6 | 7 |
Swell 3 Height (m) Direction Period (s) | N 9 | NNW 8 | — | NNW 8 | — | S 15 | N 7 | N 7 | S 13 | N 8 | N 8 | S 12 | NNW 10 | S 12 | NW 10 | NNW 10 | — | W 6 | S 12 | S 12 | S 12 |
| kJ | 2 | 7 | — | 6 | — | 4 | 1 | 1 | 3 | 1 | 1 | 3 | 10 | 3 | 4 | 11 | — | 1 | 3 | 3 | 3 |
Wind waves Height (m) Direction Period (s) | — | WNW 9 | NW 5 | NW 4 | WNW 8 | WNW 4 | — | WSW 2 | — | — | — | WNW 4 | — | WNW 8 | WNW 7 | NW 5 | WNW 10 | NW 5 | NW 8 | WNW 3 | WNW 3 |
| kJ | — | 168 | 19 | 9 | 101 | 5 | — | 1 | — | — | — | 7 | — | 77 | 59 | 36 | 251 | 27 | 35 | 3 | 2 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 37 | 47 | 37 | 106 | 442 | 51 | 61 | 110 | 47 | 110 | 157 | 51 | 48 | 305 | 52 | 162 | 488 | 52 | 106 | 463 | 75 |
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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