Surf Forecasts:
Praia Grande surf forecast from 5 Nov 2026:
- Best quality surf: Tuesday 10 Nov, 12AM (local time) - 11ft (3.5m), 11s period, WSW swell with cross-shore winds.
- Most powerful swell: Wednesday 18 Nov, 6AM (local time) - 13ft (4.0m), 17s period, NW swell with 8,307 kJ wave energy.
- Next surfable swell (1★+): Friday 6 Nov, 12AM (local time) - 3.5ft (1.0m), 12s period with WNW swell.
Best Forecast Surf Conditions for Praia Grande this week:
The surf forecast for Praia Grande over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Nov 06) at 12AM. The primary swell is predicted to be 1.0m and 12s period with a secondary swell of 0.4m and 6s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Praia Grande in the next 16 days are 4.0m 17s and forecast to arrive on Wednesday (Nov 18) at 6AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.0m 10s period and expected on Monday (Nov 09) at 12AM.
| Wave Type | Time (WET) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12AM (Fri 6th Nov) | 3.5ft (1.0m) 12s |
| Best Surf | 12AM (Tue 10th Nov) | 11ft (3.5m) 11s |
| Most Powerful | 6AM (Wed 18th Nov) | 13ft (4.0m) 17s |
Table - best surf conditions forecast for Praia Grande over the next 16 days.
Short Range ForecastLight rain (total 2mm), mostly falling on Fri night. Very mild (max 19°C on Sat afternoon, min 13°C on Thu night). Wind will be generally light. | Days 5-7 Weather SummaryHeavy rain (total 38mm), heaviest during Sun night. Warm (max 21°C on Sun morning, min 18°C on Mon morning). Winds increasing (light winds from the SE on Sat night, near gales from the SSW by Sun night). | ||||||||||||||||||
Thursday 5 | Friday 6 | Saturday 7 | Sunday 8 | Monday 9 | Tuesday 10 | ||||||||||||||
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) | W 12 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WSW 7 | SW 6 | SW 6 | SSW 6 | WNW 12 | SW 9 | W 11 | SW 10 | SW 11 | WSW 11 | WSW 11 | WSW 10 | WSW 10 |
Wave Graph  | |||||||||||||||||||
 kJ | 96 | 336 | 350 | 274 | 174 | 105 | 64 | 54 | 32 | 51 | 152 | 316 | 58 | 4112 | 3925 | 2770 | 2831 | 1893 | 1745 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | on | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross-on | cross | cross-on | cross-on | cross-on |
High Tide | 11:25PM2.38m | 11:39AM2.61m | 00:11AM2.53m | 12:25PM2.69m | 00:51AM2.66m | 1:06PM2.73m | 1:27AM2.75m | 1:43PM2.74m | 2:01AM2.79m | 2:19PM2.70m | 2:34AM2.80m | 2:53PM2.64m | |||||||
Low Tide | 5:28AM0.60m | 6:01PM0.37m | 6:16AM0.46m | 6:40PM0.29m | 6:57AM0.35m | 7:15PM0.26m | 7:34AM0.28m | 7:48PM0.26m | 8:08AM0.25m | 8:20PM0.29m | 8:43AM0.26m | 8:52PM0.35m | |||||||
 |  | |  |  | |  |  | | | |  |  |  | |  | | |  | |
 | — | 7:07 | — | — | 7:09 | — | — | 7:09 | — | — | 7:11 | — | — | 7:13 | — | — | 7:13 | — | — |
 | — | — | 5:32 | — | — | 5:31 | — | — | 5:30 | — | — | 5:30 | — | — | 5:29 | — | — | 5:28 | — |
mm | — | — | — | — | — | — | 2 | — | — | — | — | 2 | 10 | 2 | 3 | 7 | 9 | 5 | 4 |
Temp °C | 15 | 16 | 16 | 15 | 14 | 17 | 17 | 18 | 19 | 19 | 21 | 21 | 19 | 19 | 19 | 19 | 19 | 19 | 19 |
Feels °C | 10 | 14 | 14 | 13 | 10 | 14 | 15 | 14 | 16 | 16 | 15 | 14 | 13 | 12 | 14 | 16 | 14 | 15 | 16 |
Swell 1 Height (m) Direction Period (s) | NNW 8 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WSW 7 | SW 6 | NW 10 | WNW 11 | WNW 12 | SW 9 | W 11 | — | WNW 11 | WSW 11 | — | WSW 10 | WSW 10 |
| kJ | 75 | 336 | 350 | 274 | 174 | 105 | 64 | 54 | 25 | 50 | 152 | 316 | 58 | — | 24 | 2770 | — | 1893 | 1745 |
Swell 2 Height (m) Direction Period (s) | W 12 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NW 11 | WNW 10 | WNW 12 | W 14 | S 13 | WNW 11 | SW 12 | — | — | NW 8 | — | — | — |
| kJ | 96 | 32 | 21 | 12 | 7 | 3 | 56 | 39 | 14 | 16 | 3 | 97 | 35 | — | — | 84 | — | — | — |
Swell 3 Height (m) Direction Period (s) | WNW 15 | SW 12 | N 9 | N 9 | SW 12 | SW 11 | N 6 | NW 13 | N 6 | S 10 | — | S 12 | — | — | — | — | — | — | — |
| kJ | 85 | 6 | 6 | 6 | 5 | 5 | 2 | 6 | 1 | 2 | — | 3 | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | SE 2 | SSE 3 | — | ESE 2 | SW 6 | SSW 6 | S 7 | S 7 | SSW 10 | SW 10 | SW 11 | — | WSW 11 | — | SW 8 |
| kJ | — | — | — | — | 1 | 2 | — | 1 | 32 | 51 | 466 | 625 | 1708 | 4112 | 3925 | — | 2831 | — | 456 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 10 | 14 | 14 | 0 | 1 | 0 | 1 | 1 | 47 | 1 | 243 | 163 | 415 | 426 | 515 | 496 | 435 | 437 | 62 |
Best forecast wave conditions in Lisboa | |||||||||||||||||||
Best forecast wave conditions in Portugal | |||||||||||||||||||
Header Global | |||||||||||||||||||
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FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Praia Grande surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Praia Grande Surf forecast
The above surf forecast table for Praia Grande provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Praia Grande can be found by selecting the local surf guide option on the grey menu. Our Praia Grande 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 Grande) 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 Grande 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 Grande 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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