Surf Forecasts:
Praia do Sul surf forecast from 20 Aug 2026:
- Best quality surf: Sunday 23 Aug, 4AM (local time) - 3ft (0.9m), 13s period, WNW swell with cross-offshore winds.
- Most powerful swell: Friday 21 Aug, 1PM (local time) - 7ft (2.1m), 10s period, NNW swell with 955 kJ wave energy.
- Next surfable swell (1★+): Sunday 23 Aug, 4AM (local time) - 3ft (0.9m), 13s period with WNW swell.
Best Forecast Surf Conditions for Praia do Sul this week:
The surf forecast for Praia do Sul over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Aug 23) at 4AM. The primary swell is predicted to be 0.9m and 13s period with a secondary swell of 1.0m and 10s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Praia do Sul in the next 16 days are 2.1m 10s and forecast to arrive on Friday (Aug 21) at 1PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Sunday (Aug 23) at 1PM.
| Wave Type | Time (WEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 4AM (Sun 23rd Aug) | 3ft (0.9m) 13s |
| Best Surf | 4AM (Sun 23rd Aug) | 3ft (0.9m) 13s |
| Most Powerful | 1PM (Fri 21st Aug) | 7ft (2.1m) 10s |
Table - best surf conditions forecast for Praia do Sul over the next 16 days.
Short Range ForecastMostly dry. Warm (max 22°C on Thu morning, min 18°C on Thu night). Mainly fresh winds. | Days 4-6 Weather SummaryLight rain (total 8mm), mostly falling on Sun night. Warm (max 22°C on Sun morning, min 19°C on Sat night). Winds increasing (light winds from the SSW on Sat night, fresh winds from the SSW by Sun night). | ||||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | |||||||||||||||
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 9 | WNW 9 | NNW 7 | NNW 11 | NNW 10 | NNW 10 | NNW 10 | NNW 9 | NNW 9 | WNW 11 | WNW 10 | W 9 | W 8 | W 8 | W 7 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | WNW 8 | WNW 8 |
Wave Graph | |||||||||||||||||||||
62 | 59 | 279 | 286 | 815 | 603 | 446 | 287 | 140 | 778 | 433 | 614 | 589 | 466 | 142 | 145 | 127 | 108 | 191 | 291 | 300 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross | cross | cross | cross | cross-on | on | cross | cross | cross | cross | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross | cross-on | cross-on |
High Tide | 8:37AM2.15m | 9:12PM1.98m | 9:50AM2.03m | 10:42PM1.88m | 11:22AM2.03m | 00:11AM1.94m | 12:36PM2.16m | 1:11AM2.08m | 1:28PM2.34m | 1:54AM2.25m | 2:08PM2.54m | 2:30AM2.42m | 2:43PM2.72m | 3:03AM2.57m | |||||||
Low Tide | 2:50PM1.00m | 3:15AM1.09m | 4:18PM1.11m | 4:48AM1.16m | 5:56PM1.07m | 6:14AM1.07m | 7:03PM0.92m | 7:12AM0.91m | 7:48PM0.74m | 7:53AM0.72m | 8:24PM0.55m | 8:28AM0.54m | 8:57PM0.38m | ||||||||
6:54 | — | — | 6:56 | — | — | 6:56 | — | — | 6:56 | — | — | 6:58 | — | — | 6:58 | — | — | 7:00 | — | — | |
— | 8:25 | — | — | 8:24 | — | — | 8:22 | — | — | 8:22 | — | — | 8:20 | — | — | 8:19 | — | — | 8:17 | — | |
mm | — | — | — | — | — | — | — | — | — | — | 1 | 6 | 1 | — | — | — | — | 3 | 1 | — | 1 |
Temp °C | 22 | 21 | 19 | 20 | 20 | 18 | 20 | 20 | 19 | 22 | 22 | 21 | 22 | 22 | 21 | 21 | 22 | 21 | 20 | 21 | 20 |
Feels °C | 22 | 20 | 15 | 16 | 16 | 15 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 21 | 22 | 22 | 21 | 20 | 20 | 19 |
Swell 1 Height (m) Direction Period (s) | WNW 9 | WNW 9 | W 9 | NNW 11 | SSW 15 | WNW 9 | NNW 10 | NNW 9 | NNW 9 | WNW 11 | WNW 10 | W 9 | W 8 | N 8 | W 7 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | WNW 8 | WNW 8 |
62 | 59 | 40 | 286 | 21 | 42 | 446 | 287 | 140 | 778 | 433 | 614 | 589 | 4 | 142 | 145 | 127 | 108 | 191 | 291 | 300 | |
Swell 2 Height (m) Direction Period (s) | NNW 5 | NW 11 | NW 10 | WNW 9 | W 11 | NNW 12 | W 9 | W 9 | WNW 15 | N 8 | N 8 | NNW 8 | N 8 | SW 13 | NW 8 | SW 12 | SW 12 | NW 10 | SW 12 | NW 9 | SW 11 |
17 | 30 | 27 | 25 | 2 | 45 | 38 | 39 | 85 | 49 | 33 | 19 | 4 | 6 | 108 | 6 | 6 | 4 | 5 | 13 | 5 | |
Swell 3 Height (m) Direction Period (s) | NNW 12 | SW 13 | NNW 12 | SSW 15 | — | SSW 14 | SSW 14 | SSW 14 | WNW 11 | SSW 13 | SSW 13 | SW 13 | SW 13 | SW 13 | N 7 | N 7 | W 10 | SW 12 | — | SW 11 | NW 13 |
14 | 7 | 31 | 21 | — | 18 | 20 | 20 | 47 | 18 | 17 | 7 | 7 | 6 | 4 | 1 | 2 | 6 | — | 5 | 7 | |
Wind waves Height (m) Direction Period (s) | — | NW 5 | NNW 7 | NNW 7 | NNW 10 | NNW 10 | — | — | — | — | SSW 5 | SSW 5 | — | W 8 | — | — | SW 3 | — | — | — | — |
— | 10 | 279 | 229 | 815 | 603 | — | — | — | — | 97 | 46 | — | 466 | — | — | 4 | — | — | — | — | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 29 | 218 | 267 | 233 | 403 | 29 | 29 | 45 | 0 | 140 | 227 | 140 | 486 | 267 | 32 | 33 | 486 | 218 | 29 | 218 |
Best forecast wave conditions in Ericeira | |||||||||||||||||||||
Best forecast wave conditions in Portugal | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
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Information about the Praia do Sul Surf forecast
The above surf forecast table for Praia do Sul provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Praia do Sul can be found by selecting the local surf guide option on the grey menu. Our Praia do Sul 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 (Praia do Sul) 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 Praia do Sul 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.
Praia do Sul is 18 km (11 miles) from Sintra. If you plan a holiday in Ericeira, 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.











