Surf Forecasts:
Adraga surf forecast from 12 Aug 2026:
- Best quality surf: Monday 17 Aug, 7AM (local time) - 8ft (2.5m), 9s period, NNW swell with cross-onshore winds.
- Most powerful swell: Sunday 16 Aug, 4AM (local time) - 10ft (3.0m), 9s period, NNW swell with 1,530 kJ wave energy.
- Next surfable swell (1★+): Monday 17 Aug, 7AM (local time) - 8ft (2.5m), 9s period with NNW 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 Monday (Aug 17) at 7AM. The primary swell is predicted to be 2.5m and 9s period with a secondary swell of 0.1m and 15s. The wind is predicted to be cross-onshore as the swell arrives.
The most powerful waves expected at Adraga in the next 16 days are 3.0m 9s and forecast to arrive on Sunday (Aug 16) at 4AM. 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 13s period and expected on Thursday (Aug 13) at 4PM.
| Wave Type | Time (WEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7AM (Mon 17th Aug) | 8ft (2.5m) 9s |
| Best Surf | 7AM (Mon 17th Aug) | 8ft (2.5m) 9s |
| Most Powerful | 4AM (Sun 16th Aug) | 10ft (3.0m) 9s |
Table - best surf conditions forecast for Adraga over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s get into it for this stretch.
Truth is, the outlook is a rough one for the next couple of weeks. The main break on the radar is Adraga, a beach and reef setup that’s exposed to the open ocean. It’s a fairly consistent spot, but the wind is the enemy here and it’s not letting up. The water temp is about average for the time of year, nothing wild there.
The first real chance to paddle out comes up on Monday, August 17th. We’ve got a solid 8ft swell rolling in from the NNW, with a period of 9 seconds. That’s a decent amount of energy (860) but it’s big – over 8ft, so this is strictly for the experts. The wind is light from the N at 6 mph, which is a cross-on breeze, but it’s the lightest we’ll see all week. The wave comment says wind and tide are favorable, but the swell is predicted to be too big for this break. It’s the only moment that gets a score above zero, and it’s a big, powerful, challenging wave. If you’re an experienced local and you know the reef, Monday morning is your window. The rest of the day, the wind picks up and it’s back to choppy.
Before that, from Wednesday the 12th right through Sunday the 16th, it’s a no-go. Cross-onshore winds, building from a moderate breeze up to a strong breeze, with the swell getting bigger and messier. By Saturday the 15th, we’re looking at 10ft with 28 mph winds – that’s 1146 on the energy scale, which is serious power, but the conditions are a write-off. It’s not a paddle surf situation; with that kind of wind and that size on a beach and reef setup, it’s more interesting for kite surfers than anyone with a paddle.
After the Monday window, the wind just doesn’t let up. We get a little window on Tuesday the 18th morning with light wind again, but the swell has dropped to 6ft and the period is short at 8 seconds. The energy is down to 447, and the forecast calls it marginal. The rest of the week into the third week is a constant battle of fresh to strong breezes, keeping the surface lumpy and messy. The swell sticks around but the quality is never there.
The best bet, the only real standout, is Monday morning, August 17th, for the big wave crew. It’s a beast of a day and not for the faint of heart. For everyone else, it’s a waiting game. The forecast can change, and it’s been a rough patch, but it won’t stay this way forever.
Rusty.
Short Range ForecastMostly dry. Warm (max 21°C on Wed morning, min 19°C on Wed night). Winds increasing (light winds from the N on Wed morning, strong winds from the NNW by Fri night). | Days 4-6 Weather SummaryMostly dry. Warm (max 26°C on Mon morning, min 20°C on Sat morning). Winds decreasing (strong winds from the NNW on Sat night, light winds from the NE by Mon morning). | ||||||||||||||||||||
Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | |||||||||||||||
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 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 9 | NNW 7 | NNW 7 | NNW 8 | NNW 8 | NNW 8 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | NNW 8 | NNW 9 | NNW 9 | NNW 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 120 | 154 | 150 | 154 | 218 | 163 | 119 | 189 | 431 | 956 | 984 | 1134 | 1107 | 847 | 977 | 811 | 689 | 512 | 675 | 502 | 336 |
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-off | cross-on | cross-on | cross | on | cross-on |
High Tide | 3:10PM3.11m | 3:38AM2.85m | 3:53PM3.20m | 4:19AM2.88m | 4:35PM3.20m | 4:59AM2.85m | 5:14PM3.09m | 5:38AM2.76m | 5:53PM2.90m | 6:15AM2.62m | 6:32PM2.65m | 6:54AM2.45m | 7:13PM2.39m | ||||||||
Low Tide | 9:29PM-0.05m | 9:37AM0.07m | 10:11PM-0.10m | 10:18AM0.04m | 10:50PM-0.07m | 10:57AM0.08m | 11:28PM0.05m | 11:36AM0.20m | 00:04AM0.23m | 12:15PM0.37m | 00:40AM0.45m | 12:56PM0.58m | 1:18AM0.68m | ||||||||
 | |  | | | | | |  |  | | | | | | | | | | | | |
 | 6:48 | — | — | 6:48 | — | — | 6:50 | — | — | 6:50 | — | — | 6:50 | — | — | 6:52 | — | — | 6:52 | — | — |
 | — | 8:37 | — | — | 8:35 | — | — | 8:34 | — | — | 8:32 | — | — | 8:31 | — | — | 8:30 | — | — | 8:29 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 21 | 21 | 20 | 21 | 21 | 20 | 21 | 21 | 21 | 20 | 20 | 20 | 21 | 21 | 21 | 26 | 23 | 23 | 26 | 24 | 23 |
Feels °C | 20 | 19 | 17 | 20 | 19 | 17 | 19 | 18 | 17 | 15 | 15 | 15 | 18 | 17 | 18 | 25 | 19 | 19 | 25 | 24 | 22 |
Swell 1 Height (m) Direction Period (s) | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | — | S 18 | SW 18 | SW 17 | SW 16 | SW 16 | SW 15 | NNW 9 | SW 15 | SSW 16 | NNW 9 | SSW 16 | NNW 8 |
| kJ | 120 | 154 | 150 | 154 | 218 | 163 | 119 | 127 | — | 6 | 12 | 11 | 10 | 11 | 9 | 811 | 9 | 26 | 675 | 24 | 336 |
Swell 2 Height (m) Direction Period (s) | NNW 10 | — | NNW 10 | NNW 10 | S 13 | — | S 12 | S 12 | — | — | — | — | SW 16 | — | — | SW 15 | — | S 13 | SSW 16 | SSW 16 | SSW 15 |
| kJ | 35 | — | 31 | 18 | 3 | — | 3 | 3 | — | — | — | — | 10 | — | — | 8 | — | 3 | 25 | 24 | 21 |
Swell 3 Height (m) Direction Period (s) | — | — | — | NW 12 | — | — | — | — | — | — | — | — | — | — | — | SW 18 | — | W 9 | SW 16 | — | W 9 |
| kJ | — | — | — | 23 | — | — | — | — | — | — | — | — | — | — | — | 12 | — | 2 | 10 | — | 7 |
Wind waves Height (m) Direction Period (s) | NNW 5 | NNW 9 | NNW 5 | NNW 5 | NNW 5 | NNW 6 | NNW 6 | NNW 7 | NNW 7 | NNW 8 | NNW 8 | NNW 8 | NNW 9 | NNW 9 | NNW 9 | — | NNW 9 | NNW 8 | — | NNW 9 | — |
| kJ | 18 | 130 | 41 | 31 | 62 | 110 | 117 | 189 | 431 | 956 | 984 | 1134 | 1107 | 847 | 977 | — | 689 | 512 | — | 502 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 13 | 20 | 13 | 13 | 203 | 20 | 15 | 426 | 221 | 221 | 605 | 605 | 21 | 206 | 21 | 1 | 181 | 19 | 1 | 171 | 19 |
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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