Surf Forecasts:
Praia do Norte surf forecast from 12 Aug 2026:
- Best quality surf: Monday 17 Aug, 10AM (local time) - 8ft (2.4m), 9s period, NNW swell with cross-offshore winds.
- Most powerful swell: Sunday 16 Aug, 1AM (local time) - 10ft (3.0m), 9s period, NNW swell with 1,530 kJ wave energy.
- Next surfable swell (1★+): Monday 17 Aug, 10AM (local time) - 8ft (2.4m), 9s period with NNW swell.
Best Forecast Surf Conditions for Praia do Norte this week:
The surf forecast for Praia do Norte over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Aug 17) at 10AM. The primary swell is predicted to be 2.4m and 9s period with a secondary swell of 0.1m and 15s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Praia do Norte in the next 16 days are 3.0m 9s and forecast to arrive on Sunday (Aug 16) at 1AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.2m 16s period and expected on Tuesday (Aug 18) at 1AM.
| Wave Type | Time (WEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10AM (Mon 17th Aug) | 8ft (2.4m) 9s |
| Best Surf | 10AM (Mon 17th Aug) | 8ft (2.4m) 9s |
| Most Powerful | 1AM (Sun 16th Aug) | 10ft (3.0m) 9s |
Table - best surf conditions forecast for Praia do Norte over the next 16 days.
The Lowdown
Alright, Rusty here. Let's break down the outlook for Praia do Norte. It's a grim stretch of forecast, I won't sugarcoat it. We're looking at a long run of side-shore winds and messy conditions. The first real chance of anything good doesn't come until Monday, August 17th. Before that, it's a total bust.
The water temperature is about average for the time of year, nothing special.
From now through the weekend, the 12th to the 16th of August, it's a no-go. There's plenty of swell, but it's getting hammered by moderate to strong side-shore winds, making it a lumpy, choppy mess. The combined energy is moderate (248 to 305) but the wind is the killer. Saturday the 15th brings a big jump in size to 3.0m, but with a 25 mph side-shore, it's a washing machine. That's strictly for the experts, and even then, it's not worth the paddle. The swell period is short, under 8 seconds, so it's weak and disorganized.
Here is the one and only window. Monday morning, the 17th of August. The wind switches to a light side-offshore from the NE at 6 mph. The swell is still a solid 7.9ft from the NNW, with a 9-second period, and the combined energy is strong (900). The forecast says "very good surf conditions" and "clean" – that's music to my ears. This is it. The swell is over 8ft, so this is for experienced surfers only. It's a big, powerful wave, but with that light offshore wind, it'll be holding its shape perfectly. This is the best on offer, no question.
After that brief window, it's back to the grind. By Monday afternoon, the wind goes back to a fresh side-shore from the NNW at 18 mph, and it's messy again. The rest of the week into the second week is a repeat of moderate to strong side winds and lumpy, poor surf. The swell drops through the 20s, and while the energy stays moderate to strong (up to 1253), the wind never plays ball. It's a tough period. For a beach and reef setup like this, with that much wind and swell, it really looks more interesting for kite surfing than paddle surfing for most of that stretch.
Short Range ForecastMostly dry. Warm (max 23°C on Wed morning, min 19°C on Tue night). Mainly fresh winds. | Days 4-6 Weather SummaryMostly dry. Warm (max 26°C on Mon morning, min 20°C on Fri night). Winds decreasing (strong winds from the NNW on Sat night, light winds from the NE by Mon morning). | ||||||||||||||||||||
Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | |||||||||||||||
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 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | NNW 6 | NNW 7 | NNW 7 | NNW 8 | NNW 8 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | NNW 8 | NNW 8 | NNW 8 | NNW 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 120 | 154 | 154 | 154 | 241 | 175 | 144 | 181 | 475 | 1023 | 1103 | 1530 | 1101 | 867 | 1101 | 878 | 616 | 492 | 394 | 313 | 206 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-off | cross | cross | cross | cross-on | cross |
High Tide | 3:17PM3.16m | 3:45AM2.89m | 4:01PM3.26m | 4:27AM2.93m | 4:42PM3.25m | 5:07AM2.90m | 5:22PM3.14m | 5:45AM2.80m | 6:01PM2.95m | 6:23AM2.67m | 6:40PM2.71m | 7:02AM2.50m | 7:21PM2.44m | ||||||||
Low Tide | 9:01AM0.19m | 9:36PM-0.05m | 9:45AM0.08m | 10:18PM-0.10m | 10:26AM0.04m | 10:58PM-0.07m | 11:05AM0.09m | 11:36PM0.05m | 11:44AM0.20m | 00:12AM0.24m | 12:23PM0.38m | 00:49AM0.46m | 1:04PM0.59m | 1:27AM0.69m | |||||||
 | |  |  | | | | |  |  | | | | | | | | | | | | |
 | 6:47 | — | — | 6:48 | — | — | 6:48 | — | — | 6:50 | — | — | 6:50 | — | — | 6:52 | — | — | 6:52 | — | — |
 | — | 8:37 | — | — | 8:35 | — | — | 8:34 | — | — | 8:32 | — | — | 8:31 | — | — | 8:30 | — | — | 8:29 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 23 | 23 | 20 | 22 | 22 | 20 | 22 | 22 | 20 | 21 | 21 | 20 | 23 | 23 | 20 | 26 | 25 | 21 | 25 | 23 | 21 |
Feels °C | 23 | 22 | 19 | 21 | 21 | 18 | 20 | 19 | 17 | 17 | 16 | 15 | 21 | 20 | 18 | 24 | 22 | 21 | 25 | 23 | 21 |
Swell 1 Height (m) Direction Period (s) | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | — | S 18 | SW 18 | SW 17 | SW 16 | SW 16 | SW 15 | NNW 9 | SW 15 | NNW 8 | NNW 8 | NNW 8 | NNW 8 |
| kJ | 120 | 154 | 154 | 154 | 241 | 175 | 130 | 124 | — | 6 | 12 | 11 | 10 | 11 | 9 | 878 | 9 | 492 | 394 | 313 | 206 |
Swell 2 Height (m) Direction Period (s) | NNW 10 | NNW 9 | NNW 10 | NW 12 | N 9 | — | — | — | — | — | — | — | — | — | — | SW 15 | W 9 | SSW 16 | SW 16 | SSW 16 | WNW 9 |
| kJ | 51 | 32 | 33 | 37 | 7 | — | — | — | — | — | — | — | — | — | — | 9 | 2 | 26 | 10 | 24 | 8 |
Swell 3 Height (m) Direction Period (s) | — | — | — | NNW 10 | — | — | — | — | — | — | — | — | — | — | — | SW 18 | — | — | SW 13 | — | SSW 15 |
| kJ | — | — | — | 18 | — | — | — | — | — | — | — | — | — | — | — | 13 | — | — | 7 | — | 21 |
Wind waves Height (m) Direction Period (s) | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NNW 6 | NNW 6 | NNW 6 | NNW 7 | NNW 7 | NNW 8 | NNW 8 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | — | NNW 9 | — | — | — | — |
| kJ | 24 | 20 | 42 | 39 | 72 | 98 | 144 | 181 | 475 | 1023 | 1103 | 1530 | 1101 | 867 | 1101 | — | 616 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 30 | 34 | 30 | 30 | 219 | 34 | 122 | 470 | 235 | 586 | 335 | 496 | 33 | 223 | 141 | 0 | 560 | 33 | 20 | 497 | 30 |
Best forecast wave conditions in Ericeira | |||||||||||||||||||||
Best forecast wave conditions in Portugal | |||||||||||||||||||||
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Information about the Praia do Norte Surf forecast
The above surf forecast table for Praia do Norte 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 Norte can be found by selecting the local surf guide option on the grey menu. Our Praia do Norte 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 Norte) 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 Norte 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 Norte is 19 km (12 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.
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