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Surf Forecasts:
Praia Grande surfForecast / Lisboa / Portugal
16 Day Weather and Surf, issued 11 pm Saturday 21 Mar 2026 WETForecast update in hr min s Forecast update imminent
Praia Grande surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Praia Grande sea temperature is
14.2° C
(Which is 1.2°C colder than average for this time of year)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 Sunday (Mar 22) at 6AM. The primary swell is predicted to be 0.6m and 16s period with a secondary swell of 0.8m and 11s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Praia Grande in the next 16 days are 2.1m 14s and forecast to arrive on Wednesday (Mar 25) at 6PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 8s period and expected on Sunday (Mar 22) at 6AM.
| Wave Type | Time (WET) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Sun 22nd Mar) | 2ft (0.6m) 16s |
| Best Surf | 12PM (Wed 25th Mar) | 5ft (1.6m) 15s |
| Most Powerful | 6PM (Wed 25th Mar) | 7ft (2.1m) 14s |
Table - best surf conditions forecast for Praia Grande over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range Forecast Some drizzle, heaviest during Sat night. Very mild (max 17°C on Mon night, min 12°C on Sat night). Wind will be generally light. | Days 3-6 Weather Summary Mostly dry. Very mild (max 18°C on Wed morning, min 14°C on Thu night). Wind will be generally light. | |||||||||||||||||||||
Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | Friday 27 | Sat 28 | ||||||||||||||||
| Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | ||
Rating (10 max) | ||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  | ||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||
| Period(s) (?) | 11 | 15 | 14 | 14 | 13 | 12 | 13 | 12 | 11 | 11 | 13 | 15 | 13 | 10 | 11 | 12 | 12 | 10 | 11 | 16 | 15 | |
Wave (?)Graph  | ||||||||||||||||||||||
 kJ (?) | 237 | 429 | 606 | 865 | 623 | 479 | 529 | 503 | 544 | 371 | 464 | 1460 | 812 | 556 | 894 | 1063 | 718 | 471 | 553 | 274 | 429 | |
Wind (km/h) | ||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | cross | cross- off | glass | cross | cross- off | off | cross- on | cross- off | cross- off | cross | cross- off | off | cross- off | cross- off | off | cross | cross | off | cross | |
High Tide / height (m) | 4:21AM 2.97 | 4:42PM 2.86 | 5:05AM 2.76 | 5:27PM 2.69 | 5:57AM 2.49 | 6:21PM 2.48 | 7:02AM 2.23 | 7:33PM 2.30 | 8:32AM 2.05 | 9:08PM 2.23 | 10:12AM 2.06 | 10:39PM 2.33 | 11:29AM 2.21 | |||||||||
Low Tide / height (m) | 10:07PM 0.03 | 10:29AM 0.10 | 10:50PM 0.17 | 11:11AM 0.31 | 11:38PM 0.37 | 12:00PM 0.57 | 12:39AM 0.60 | 1:03PM 0.81 | 2:04AM 0.78 | 2:35PM 0.96 | 3:51AM 0.80 | 4:18PM 0.92 | 5:17AM 0.65 | 5:32PM 0.75 | ||||||||
Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | Friday 27 | Sat 28 | ||||||||||||||||
| Sunrise | - | 6:39 | - | - | 6:37 | - | - | 6:35 | - | - | 6:33 | - | - | 6:31 | - | - | 6:31 | - | - | 6:28 | - | |
| Sunset | - | - | 6:51 | - | - | 6:52 | - | - | 6:52 | - | - | 6:53 | - | - | 6:54 | - | - | 6:55 | - | - | 6:57 | |
 |  | |  | |  | | | |  |  | | | | | | | | | | | ||
Rain (mm) | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| Temp. °C | 15 | 16 | 16 | 15 | 15 | 16 | 17 | 17 | 17 | 17 | 18 | 18 | 16 | 18 | 18 | 16 | 17 | 18 | 15 | 17 | 16 | |
| Feels °C (?) | 13 | 15 | 12 | 12 | 14 | 14 | 14 | 16 | 15 | 13 | 16 | 15 | 12 | 14 | 13 | 13 | 13 | 15 | 11 | 16 | 12 | |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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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