Surf Forecasts:
Troia surf forecast from 30 Jul 2026:
- Most powerful swell: Friday 31 Jul, 7PM (local time) - 3.5ft (1.1m), 5s period, NW swell with 53 kJ wave energy.
Best Forecast Surf Conditions for Troia this week:
The most powerful waves expected at Troia in the next 16 days are 1.1m 5s and forecast to arrive on Friday (Jul 31) 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 (Fri 31st Jul) | 3.5ft (1.1m) 5s |
Table - best surf conditions forecast for Troia over the next 16 days.
The Lowdown
Alright, Rusty here. Let's have a look at what's on offer for Troia.
Well, I gotta be straight with you – it's gonna be a tough stretch for surfers around here. We're looking at a 16-day window that's basically a bust with barely a ripple worth paddling for.
The water temp is sitting at a very unusual 74°, which is a whopping 6° warmer than normal for this time of year. That's a real oddity, but it doesn't help the wave situation one bit. The swell energy is weak, with the combined swell energy hitting a paltry (10) on Friday the 31st of July, and that's as good as it gets – which ain't saying much. Most days show zero wave energy.
We kick off Thursday the 30th with absolutely nothing – a flat, clean morning but no surf, and it gets choppy in the afternoon with a 9 mph cross-onshore breeze.
Friday the 31st of July offers the biggest swell of the entire period, but it's only 1ft to 3ft, short-period NW windswell with a period of just 4-5 seconds. The morning stays clean with a light cross-offshore, but the afternoon turns messy with a 6 mph cross-on. It's small, weak, and wind-affected.
From Saturday the 1st of August right through to Thursday the 13th of August, it's a flat desert. Most days have zero swell, and any tiny 0.3ft signals just aren't rideable. Winds are constantly compromising the conditions. For someone into kite surfing, the 16 mph to 19 mph cross/on winds and choppy water on some afternoons might be more interesting than for us paddle surfers.
Even the last couple of days, into Friday the 14th of August, offer next to nothing but tiny 0.3ft wind chop.
Honestly, there's not a single standout day or break in this entire 16-day run. For a spot like Troia that's only rated "inconsistent," this blank run isn't a total shock, but that doesn't make it any easier to swallow. We just gotta hope the long-range charts start looking better soon. Forecasts can change.
Rusty.
Short Range ForecastMostly dry. Warm (max 32°C on Sat afternoon, min 16°C on Thu night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 28°C on Sun afternoon, min 19°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Thursday 30 | Friday 31 | Saturday 1 | Sunday 2 | Monday 3 | Tuesday 4 | Wednesday 5 | |||||||||||||||
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) | WNW 10 | WNW 10 | NW 9 | NW 5 | NW 4 | NW 6 | W 9 | NW 4 | NW 5 | NW 4 | WNW 8 | NW 4 | W 9 | S 14 | S 13 | S 13 | S 13 | S 12 | W 12 | S 12 | S 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 0 | 0 | 0 | 7 | 23 | 35 | 0 | 31 | 22 | 12 | 0 | 7 | 0 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-on | cross-off | cross-off | cross-on | cross-off | cross-off | cross-on | cross-off | cross | cross | cross-off | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross |
High Tide | 4:04PM2.78m | 4:23AM2.54m | 4:36PM2.81m | 4:55AM2.55m | 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 | ||||||||
Low Tide | 10:16PM0.28m | 10:19AM0.31m | 10:48PM0.25m | 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 | ||||||||
 |  |  | | | | | | | | | | | | | | | | | | | |
 | 6:35 | — | — | 6:35 | — | — | 6:35 | — | — | 6:37 | — | — | 6:37 | — | — | 6:39 | — | — | 6:39 | — | — |
 | — | 8:47 | — | — | 8:46 | — | — | 8:45 | — | — | 8:45 | — | — | 8:44 | — | — | 8:43 | — | — | 8:42 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 27 | 19 | 27 | 29 | 23 | 30 | 32 | 23 | 27 | 28 | 21 | 24 | 25 | 22 | 25 | 26 | 22 | 25 | 26 | 21 |
Feels °C | 25 | 25 | 16 | 26 | 27 | 21 | 28 | 29 | 21 | 25 | 24 | 20 | 22 | 23 | 23 | 24 | 23 | 22 | 24 | 23 | 20 |
Swell 1 Height (m) Direction Period (s) | WNW 10 | — | NW 9 | NW 9 | WNW 11 | W 10 | W 9 | W 9 | W 9 | W 9 | W 10 | W 10 | W 9 | W 9 | WNW 9 | WNW 8 | WNW 8 | WNW 7 | W 8 | WNW 10 | WNW 11 |
| kJ | 37 | — | 20 | 19 | 13 | 67 | 78 | 45 | 56 | 54 | 68 | 48 | 60 | 42 | 106 | 101 | 94 | 65 | 45 | 33 | 88 |
Swell 2 Height (m) Direction Period (s) | NW 4 | — | — | W 12 | — | N 10 | NW 6 | W 8 | NW 8 | W 11 | NNW 8 | NW 6 | NW 5 | N 7 | S 13 | S 13 | S 13 | W 11 | WNW 10 | S 12 | WNW 4 |
| kJ | 2 | — | — | 3 | — | 2 | 13 | 21 | 2 | 2 | 6 | 2 | 1 | 1 | 3 | 3 | 3 | 2 | 19 | 3 | 10 |
Swell 3 Height (m) Direction Period (s) | NNW 8 | — | — | — | — | — | N 9 | — | — | NNW 8 | — | S 15 | — | S 14 | — | S 11 | — | S 12 | W 12 | N 11 | S 12 |
| kJ | 7 | — | — | — | — | — | 2 | — | — | 6 | — | 4 | — | 4 | — | 2 | — | 3 | 3 | 2 | 3 |
Wind waves Height (m) Direction Period (s) | — | WNW 10 | NW 4 | NW 5 | NW 4 | NW 6 | — | NW 4 | NW 5 | NW 4 | WNW 8 | NW 4 | — | W 2 | — | — | — | — | — | WNW 7 | WNW 7 |
| kJ | — | 117 | 16 | 7 | 23 | 35 | — | 31 | 22 | 12 | 131 | 7 | — | 1 | — | — | — | — | — | 57 | 61 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 48 | 600 | 323 | 107 | 976 | 10 | 33 | 463 | 53 | 56 | 47 | 37 | 52 | 474 | 47 | 47 | 157 | 51 | 51 | 157 | 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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