Surf Forecasts:
Adraga surf forecast from 30 Aug 2026:
- Best quality surf: Sunday 6 Sep, 4AM (local time) - 3.5ft (1.0m), 10s period, NW swell with glassy winds.
- Most powerful swell: Monday 31 Aug, 7PM (local time) - 6.5ft (2.0m), 10s period, NNW swell with 788 kJ wave energy.
- Next surfable swell (1★+): Sunday 6 Sep, 4AM (local time) - 3.5ft (1.0m), 10s period with NW swell.
Best Forecast Surf Conditions for Adraga this week:
The surf forecast for Adraga over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Sep 06) at 4AM. The primary swell is predicted to be 1.0m and 10s period with a secondary swell of 0.5m and 12s. Another secondary swell of 0.7m and 6s is also forecast. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Adraga in the next 16 days are 2.0m 10s and forecast to arrive on Monday (Aug 31) at 7PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.1m 11s period and expected on Monday (Aug 31) at 4PM.
| Wave Type | Time (WEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 4AM (Sun 6th Sep) | 3.5ft (1.0m) 10s |
| Best Surf | 4AM (Sun 6th Sep) | 3.5ft (1.0m) 10s |
| Most Powerful | 7PM (Mon 31st Aug) | 6.5ft (2.0m) 10s |
Table - best surf conditions forecast for Adraga over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s have a look at what’s coming down the line for Adraga.
To be straight with you, the next couple of weeks are a bit of a grind. There’s swell on the way, sure, but the wind is going to be a major headache for most of it. You’ll see plenty of waves in the 3ft to 6ft range, but it’s almost all cross-onshore and choppy, making for poor surf conditions. The combined swell energy does get up there, hitting 695 (moderate to strong) on Monday afternoon the 31st, but that fresh N wind will ruin it. The morning of Wednesday, September 10th will see some around 6ft, but again, it’s cross-on with a fresh breeze.
The first real, honest-to-goodness glimmer of something decent doesn’t show up until Saturday, September 12th. We get a change in the wind. Early morning on the 12th, a cross-offshore breeze from the SSW at 12 mph should iron things out. The swell is only 3ft from the WNW with a period of 11 seconds. That's a long-period groundswell that will wrap in with good shape and proper energy, but the small size means it's a longboard or a fish kind of day. The combined energy is 293 (moderate). It’s only a morning window before the wind shifts, but for clean lines in tough run, that’s your moment. It’s a beach and reef setup, so that longer period should work well.
Other than that, it’s a long stretch of lumpy, wind-affected surf. The water temp is sitting at 68° with an anomaly of -0.9°, which is pretty much what you’d expect for this time of year at Adraga. If you’re desperate for a paddle, that 12th is the standout, but keep your expectations in check.
Rusty, signing off.
Short Range ForecastMostly dry. Warm (max 20°C on Sun morning, min 17°C on Tue night). Mainly fresh winds. | Days 4-6 Weather SummaryMostly dry. Warm (max 33°C on Fri afternoon, min 18°C on Wed morning). Winds increasing (light winds from the NNE on Thu morning, fresh winds from the NNW by Fri afternoon). | ||||||||||||||||||||
Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 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) | NW 8 | NW 9 | NW 9 | NW 9 | NNW 10 | NNW 10 | NNW 9 | NNW 9 | NNW 9 | NNW 8 | NNW 8 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NW 13 | WNW 12 | WNW 11 | NW 10 | WNW 10 | WNW 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 214 | 383 | 230 | 179 | 684 | 772 | 565 | 553 | 454 | 363 | 285 | 193 | 153 | 143 | 82 | 85 | 251 | 311 | 425 | 204 | 125 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | on | cross-on |
High Tide | 4:42PM2.96m | 5:02AM2.77m | 5:17PM2.89m | 5:38AM2.72m | 5:55PM2.75m | 6:17AM2.61m | 6:39PM2.56m | 7:04AM2.46m | 7:33PM2.34m | 8:06AM2.30m | 8:48PM2.14m | 9:30AM2.21m | 10:27PM2.08m | ||||||||
Low Tide | 10:29AM0.15m | 10:53PM0.10m | 11:03AM0.19m | 11:27PM0.17m | 11:40AM0.27m | 00:04AM0.31m | 12:22PM0.41m | 00:47AM0.49m | 1:14PM0.59m | 1:41AM0.70m | 2:23PM0.76m | 2:57AM0.88m | 4:00PM0.84m | ||||||||
 | |  | | | | |  | | | | | | |  | | | |  | | | |
 | 7:03 | — | — | 7:05 | — | — | 7:05 | — | — | 7:07 | — | — | 7:07 | — | — | 7:07 | — | — | 7:09 | — | — |
 | — | 8:12 | — | — | 8:09 | — | — | 8:08 | — | — | 8:07 | — | — | 8:06 | — | — | 8:04 | — | — | 8:02 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 20 | 18 | 19 | 19 | 18 | 19 | 19 | 18 | 19 | 20 | 21 | 26 | 25 | 25 | 22 | 33 | 25 | 35 | 32 | 31 |
Feels °C | 18 | 17 | 14 | 14 | 14 | 13 | 15 | 15 | 14 | 17 | 18 | 19 | 23 | 22 | 21 | 17 | 27 | 20 | 31 | 28 | 27 |
Swell 1 Height (m) Direction Period (s) | NW 8 | W 13 | NW 9 | NW 9 | SW 16 | SW 16 | SSW 15 | SSW 15 | SSW 14 | NNW 8 | SSW 16 | NNW 7 | NNW 7 | NW 9 | WNW 9 | WNW 8 | WNW 12 | WNW 11 | NW 10 | WNW 10 | WNW 10 |
| kJ | 214 | 3 | 230 | 179 | 11 | 10 | 23 | 22 | 21 | 363 | 24 | 193 | 153 | 21 | 29 | 38 | 251 | 311 | 425 | 204 | 125 |
Swell 2 Height (m) Direction Period (s) | W 13 | — | — | W 11 | S 11 | — | — | — | — | SSW 15 | — | SSW 15 | WNW 9 | SSW 14 | SSW 14 | NW 13 | WNW 8 | SW 13 | NW 12 | NW 13 | NNW 6 |
| kJ | 4 | — | — | 21 | 2 | — | — | — | — | 23 | — | 21 | 9 | 20 | 19 | 85 | 37 | 7 | 39 | 84 | 44 |
Swell 3 Height (m) Direction Period (s) | — | — | — | SW 18 | — | — | — | — | — | — | — | — | SSW 14 | NW 8 | NW 9 | SW 13 | SW 13 | — | SW 12 | SW 12 | NW 12 |
| kJ | — | — | — | 12 | — | — | — | — | — | — | — | — | 20 | 2 | 3 | 7 | 7 | — | 6 | 6 | 95 |
Wind waves Height (m) Direction Period (s) | — | NW 9 | NNW 5 | NNW 5 | NNW 10 | NNW 10 | NNW 9 | NNW 9 | NNW 9 | — | NNW 8 | — | — | NNW 7 | NNW 7 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | — |
| kJ | — | 383 | 55 | 91 | 684 | 772 | 565 | 553 | 454 | — | 285 | — | — | 143 | 82 | 45 | 74 | 109 | 75 | 66 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 13 | 421 | 20 | 221 | 221 | 221 | 221 | 516 | 115 | 19 | 21 | 19 | 1 | 160 | 15 | 13 | 13 | 13 | 16 | 15 | 11 |
Best forecast wave conditions in Lisboa | |||||||||||||||||||||
Best forecast wave conditions in Portugal | |||||||||||||||||||||
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Information about the Adraga Surf forecast
The above surf forecast table for Adraga provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Adraga can be found by selecting the local surf guide option on the grey menu. Our Adraga 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 (Adraga) 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 Adraga 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.
Adraga is 9 km (6 miles) from Sintra. If you plan a holiday in Lisboa, look for hotels and other accommodation in Sintra. Sintra has rooms for a wide range of budgets as well as car hire and transport links.
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