
Surf Forecasts:
Adraga surf forecast from 10 Sep 2026:
- Best quality surf: Sunday 13 Sep, 7AM (local time) - 2.5ft (0.7m), 14s period, NW swell with glassy winds.
- Most powerful swell: Thursday 10 Sep, 7PM (local time) - 6ft (1.9m), 10s period, NNW swell with 763 kJ wave energy.
- Next surfable swell (1★+): Sunday 13 Sep, 7AM (local time) - 2.5ft (0.7m), 14s 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 13) at 7AM. The primary swell is predicted to be 0.7m and 14s period with a secondary swell of 0.9m and 7s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Adraga in the next 16 days are 1.9m 10s and forecast to arrive on Thursday (Sep 10) 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 Sunday (Sep 13) at 10PM.
| Wave Type | Time (WEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7AM (Sun 13th Sep) | 2.5ft (0.7m) 14s |
| Best Surf | 7AM (Sun 13th Sep) | 2.5ft (0.7m) 14s |
| Most Powerful | 7PM (Thu 10th Sep) | 6ft (1.9m) 10s |
Table - best surf conditions forecast for Adraga over the next 16 days.
The Lowdown
G'day, I'm Rusty. Let's have a look at what's coming up for Adraga. This is a beach and reef setup, exposed to the west-northwest, so it needs the right window. The water temp is about average for this time of year, nothing to write home about.
We've got a rough start. From Thursday the 10th right through to Saturday the 12th, it's all cross-onshore winds and choppy, messy surf. Swell is coming from the NNW, mostly around 3ft to 5ft, but the wind just ruins it. Best to give it a miss and wait.
Sunday the 13th morning is where things start to turn. We get a clean 3ft NW groundswell with a period of 13 seconds, and a light offshore SSE breeze. The combined swell energy is moderate at 361, and conditions are clean. It's small, but it'll be fun on a longboard or a fish.
Monday the 14th morning is the standout of the first week. Glassy conditions, 4ft of NW swell with an 11-second period, and moderate wave energy (366). That's a lovely morning session with no wind to mess it up. The afternoon gets messy again with onshore wind.
Then it goes pretty average for a stretch. From Tuesday the 15th through to Saturday the 19th morning, we've got a lot of cross-onshore wind, choppy conditions, and only a few small windows. Friday the 18th is particularly ugly with strong breezes. The swell builds but the wind stays bad.
Saturday the 19th morning is another little gem. Glassy again, 3ft of NW swell with a 10-second period, and moderate energy (270). Clean, small, and fun. That's a good one if you're free.
Now for the second week. Sunday the 21st of September, we get a huge spike. 7ft to 10ft of NW swell with a very long 13-14 second period, and massive energy readings of 3017 and 2723. Problem is, it's too big for Adraga—the forecast says it's too big for this break. That's expert territory only, and even then, it's going to be a beast. The wind is light, but the swell size makes it dangerous for most.
Monday the 22nd and Tuesday the 23rd keep the swell around 7ft to 7ft from the NNW, but the wind is cross-onshore or onshore, so the quality drops off. Still big, but messy.
Thursday the 24th and Friday the 25th bring a different story. A long-period NW groundswell (15 to 18 seconds) with moderate energy (1144 to 1460). Swell heights are 3ft to 6ft. The wind is cross-onshore though, so it's marginal. The long period will make it wall up nicely, but the wind will put some texture on it. Not a total write-off, but not clean.
Best on offer: Without a doubt, Monday the 14th morning with glassy conditions and clean 4ft NW swell. Saturday the 19th morning is a close second for a glassy, smaller session.
Rusty.
Short Range ForecastMostly dry. Warm (max 24°C on Sat morning, min 18°C on Wed night). Winds decreasing (strong winds from the N on Wed night, light winds from the NNE by Sat morning). | Days 4-6 Weather SummaryMostly dry. Warm (max 26°C on Sun morning, min 19°C on Tue afternoon). Winds increasing (calm on Mon morning, fresh winds from the N by Tue afternoon). | ||||||||||||||||||||
Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | |||||||||||||||
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) | NNW 8 | NNW 11 | NNW 10 | NNW 10 | NNW 9 | NNW 6 | NNW 7 | NNW 7 | NNW 7 | NW 13 | NW 12 | NW 11 | NW 11 | NW 10 | NW 9 | NW 10 | NW 12 | NNW 6 | NNW 8 | NW 8 | NNW 8 |
Wave Graph | |||||||||||||||||||||
277 | 238 | 636 | 135 | 266 | 91 | 102 | 83 | 101 | 250 | 442 | 471 | 341 | 234 | 141 | 34 | 52 | 238 | 428 | 716 | 593 | |
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 | off | on | cross-on | glassy | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 2:52PM3.09m | 3:17AM2.87m | 3:31PM3.15m | 3:54AM2.92m | 4:08PM3.11m | 4:29AM2.90m | 4:44PM2.99m | 5:03AM2.81m | 5:19PM2.80m | 5:36AM2.68m | 5:54PM2.57m | 6:10AM2.50m | 6:31PM2.32m | ||||||||
Low Tide | 8:38AM0.17m | 9:09PM-0.04m | 9:17AM0.06m | 9:45PM-0.07m | 9:54AM0.03m | 10:19PM-0.02m | 10:30AM0.08m | 10:52PM0.10m | 11:05AM0.19m | 11:23PM0.28m | 11:40AM0.36m | 11:55PM0.49m | 12:17PM0.56m | 00:29AM0.71m | |||||||
7:13 | — | — | 7:15 | — | — | 7:16 | — | — | 7:16 | — | — | 7:16 | — | — | 7:18 | — | — | 7:18 | — | — | |
— | 7:54 | — | — | 7:52 | — | — | 7:52 | — | — | 7:50 | — | — | 7:47 | — | — | 7:46 | — | — | 7:45 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 19 | 18 | 21 | 20 | 20 | 24 | 23 | 24 | 26 | 25 | 26 | 25 | 26 | 23 | 20 | 19 | 18 | 18 | 18 | 18 |
Feels °C | 16 | 15 | 13 | 18 | 17 | 20 | 23 | 22 | 21 | 25 | 23 | 24 | 24 | 24 | 21 | 19 | 16 | 13 | 12 | 12 | 12 |
Swell 1 Height (m) Direction Period (s) | NW 11 | NNW 11 | W 7 | NNW 6 | W 7 | NNW 9 | NNW 7 | WNW 9 | WNW 9 | NW 13 | NW 12 | NW 11 | NW 11 | NW 10 | NW 9 | NW 8 | NW 12 | WNW 11 | WNW 10 | NW 13 | WNW 10 |
182 | 238 | 9 | 90 | 4 | 16 | 102 | 69 | 64 | 250 | 442 | 471 | 341 | 234 | 141 | 34 | 37 | 105 | 204 | 28 | 190 | |
Swell 2 Height (m) Direction Period (s) | W 8 | WNW 7 | W 10 | NNW 10 | W 8 | W 7 | WNW 10 | NW 18 | NW 15 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | S 11 | S 11 | WNW 8 | WNW 8 | N 13 | S 13 | S 12 | NW 12 |
11 | 11 | 2 | 135 | 6 | 4 | 74 | 12 | 84 | 54 | 55 | 43 | 25 | 2 | 2 | 26 | 13 | 3 | 3 | 3 | 72 | |
Swell 3 Height (m) Direction Period (s) | — | — | — | W 7 | — | W 11 | S 13 | S 12 | WNW 11 | W 9 | NNW 9 | S 11 | S 11 | — | — | NW 10 | N 15 | — | — | N 13 | S 12 |
— | — | — | 4 | — | 9 | 3 | 3 | 12 | 57 | 16 | 2 | 2 | — | — | 25 | 4 | — | — | 3 | 3 | |
Wind waves Height (m) Direction Period (s) | NNW 8 | NNW 7 | NNW 10 | — | NNW 9 | NNW 6 | — | NNW 7 | NNW 7 | — | — | — | — | NNW 7 | NNW 3 | NNW 4 | NNW 4 | NNW 6 | NNW 8 | NW 8 | NNW 8 |
277 | 220 | 636 | — | 266 | 91 | — | 83 | 101 | — | — | — | — | 27 | 7 | 7 | 52 | 238 | 428 | 716 | 593 | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 13 | 464 | 83 | 19 | 203 | 19 | 1 | 16 | 11 | 0 | 13 | 13 | 0 | 59 | 13 | 15 | 531 | 128 | 460 | 440 | 115 |
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.










