
Surf Forecasts:
Praia do Sul surf forecast from 13 Sep 2026:
- Best quality surf: Saturday 19 Sep, 4AM (local time) - 8ft (2.5m), 15s period, NNW swell with cross-offshore winds.
- Most powerful swell: Saturday 19 Sep, 1AM (local time) - 8ft (2.5m), 15s period, NNW swell with 3,114 kJ wave energy.
- Next surfable swell (1★+): Sunday 13 Sep, 10PM (local time) - 4.5ft (1.3m), 12s period with NW 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 (Sep 13) at 10PM. The primary swell is predicted to be 1.3m and 12s period with a secondary swell of 0.4m and 6s. 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 2.5m 15s and forecast to arrive on Saturday (Sep 19) at 1AM. Winds are predicted to be cross-offshore at the time the swell arrives.
| Wave Type | Time (WEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10PM (Sun 13th Sep) | 4.5ft (1.3m) 12s |
| Best Surf | 4AM (Sat 19th Sep) | 8ft (2.5m) 15s |
| Most Powerful | 1AM (Sat 19th Sep) | 8ft (2.5m) 15s |
Table - best surf conditions forecast for Praia do Sul over the next 16 days.
Short Range ForecastMostly dry. Warm (max 26°C on Sun afternoon, min 17°C on Tue night). Winds increasing (calm on Mon morning, strong winds from the NNW by Tue night). | Days 5-7 Weather SummaryMostly dry. Warm (max 27°C on Sat morning, min 17°C on Thu night). Winds decreasing (strong winds from the N on Wed afternoon, calm by Sat morning). | |||||||||||||||||||
Sun 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | ||||||||||||||
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 12 | NW 12 | NW 11 | NW 11 | NW 10 | NNW 10 | NW 9 | NNW 8 | NNW 9 | NNW 9 | NNW 10 | NNW 10 | NNW 10 | NNW 9 | NNW 9 | NNW 8 | NNW 15 | NNW 14 | NW 13 | NW 12 |
Wave Graph | ||||||||||||||||||||
465 | 486 | 242 | 169 | 102 | 63 | 39 | 575 | 1622 | 1564 | 2279 | 1557 | 1150 | 1238 | 878 | 681 | 3114 | 2378 | 1599 | 964 | |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-off | glassy | cross-on | cross | cross | cross | cross | cross | cross | cross | cross-off | cross | cross | cross-off | cross | cross-off | off | on | cross |
High Tide | 4:51PM3.04m | 5:10AM2.86m | 5:26PM2.85m | 5:44AM2.73m | 6:02PM2.62m | 6:18AM2.55m | 6:39PM2.37m | 6:56AM2.36m | 7:22PM2.13m | 7:44AM2.16m | 8:22PM1.92m | 8:58AM2.00m | 10:00PM1.81m | |||||||
Low Tide | 11:00PM0.11m | 11:13AM0.19m | 11:32PM0.29m | 11:48AM0.36m | 00:04AM0.50m | 12:25PM0.57m | 00:38AM0.73m | 1:07PM0.80m | 1:19AM0.95m | 2:02PM1.01m | 2:18AM1.13m | 3:32PM1.14m | 4:00AM1.22m | |||||||
— | — | 7:16 | — | — | 7:18 | — | — | 7:18 | — | — | 7:20 | — | — | 7:20 | — | — | 7:22 | — | — | |
7:50 | — | — | 7:47 | — | — | 7:46 | — | — | 7:45 | — | — | 7:43 | — | — | 7:42 | — | — | 7:39 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 25 | 25 | 22 | 21 | 20 | 18 | 18 | 19 | 19 | 21 | 21 | 18 | 22 | 22 | 22 | 27 | 24 | 24 |
Feels °C | 25 | 24 | 24 | 23 | 21 | 20 | 17 | 13 | 11 | 13 | 13 | 15 | 16 | 12 | 18 | 18 | 20 | 25 | 22 | 22 |
Swell 1 Height (m) Direction Period (s) | NW 12 | NW 12 | NW 11 | NW 11 | NW 10 | NNW 10 | NW 9 | S 13 | S 13 | SW 13 | WNW 12 | NNW 10 | S 12 | SW 16 | NNW 9 | NW 14 | NNW 15 | NNW 14 | NW 13 | NW 12 |
465 | 486 | 242 | 169 | 102 | 63 | 39 | 3 | 3 | 6 | 371 | 1557 | 3 | 10 | 878 | 197 | 3114 | 2378 | 1599 | 964 | |
Swell 2 Height (m) Direction Period (s) | NNW 7 | S 11 | WNW 9 | NW 9 | WNW 8 | WNW 8 | NW 11 | — | — | — | SW 12 | SW 18 | S 16 | S 11 | NW 16 | SW 14 | SW 14 | SW 14 | SW 13 | S 13 |
37 | 2 | 64 | 83 | 40 | 22 | 33 | — | — | — | 6 | 12 | 5 | 3 | 10 | 8 | 8 | 8 | 7 | 3 | |
Swell 3 Height (m) Direction Period (s) | S 12 | — | NNW 7 | S 11 | S 11 | WNW 12 | WNW 8 | — | — | — | — | S 18 | — | — | SW 15 | S 11 | SW 14 | SW 14 | — | — |
3 | — | 17 | 2 | 2 | 15 | 22 | — | — | — | — | 6 | — | — | 9 | 2 | 8 | 8 | — | — | |
Wind waves Height (m) Direction Period (s) | — | — | — | — | NNW 5 | NNW 4 | NNW 5 | NNW 8 | NNW 9 | NNW 9 | NNW 10 | — | NNW 10 | NNW 9 | — | NNW 8 | — | — | — | — |
— | — | — | — | 10 | 6 | 37 | 575 | 1622 | 1564 | 2279 | — | 1150 | 1238 | — | 681 | — | — | — | — | |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 141 | 0 | 0 | 29 | 29 | 29 | 671 | 579 | 587 | 432 | 121 | 31 | 221 | 127 | 31 | 29 | 29 | 0 | 186 | 17 |
Best forecast wave conditions in Ericeira | ||||||||||||||||||||
Best forecast wave conditions in Portugal | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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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.










