Surf Forecasts:
Sao Pedro surf forecast from 18 Aug 2026:
- Most powerful swell: Tuesday 18 Aug, 4PM (local time) - 1ft (0.3m), 16s period, SW swell with 38 kJ wave energy.
Best Forecast Surf Conditions for Sao Pedro this week:
The most powerful waves expected at Sao Pedro in the next 16 days are 0.3m 16s and forecast to arrive on Tuesday (Aug 18) at 4PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.0m 8s period and expected on Sunday (Aug 23) at 4AM.
| Wave Type | Time (WEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 4PM (Tue 18th Aug) | 1ft (0.3m) 16s |
Table - best surf conditions forecast for Sao Pedro over the next 16 days.
The Lowdown
Alright, let's get into it.
The outlook for the Sao Pedro area is pretty grim, to be honest. The entire 16-day window is a flat spell, with nothing worth paddling out for.
For the next week and a half, from the 18th of August through to the 31st, it's just tiny, weak leftovers if anything at all. We're talking waves mostly under 1 foot, with combined swell energy barely registering (mostly in single digits and low double digits). The wind is up quite a bit, especially from the 21st to the 24th, with steady 15-22 mph NNW breezes keeping things clean but the ocean just doesn't have any push. The water temp is sitting at 68.7°, which is pretty normal for this time of year.
Even towards the end of the run, around the 31st of August, there's a small bump to about 3 feet, but with a short period of only 6 seconds and weak energy (51 to 56), it’s not going to offer any real shape. And that's followed by more tiny, near-flat days into September. Given that Sao Pedro rarely breaks anyway, a long blank stretch like this is more the norm around here. I wouldn't hold your breath on the forecasts changing soon.
Short Range ForecastMostly dry. Warm (max 24°C on Wed afternoon, min 19°C on Thu night). Winds increasing (calm on Tue night, fresh winds from the NNW by Thu night). | Days 4-6 Weather SummaryMostly dry. Warm (max 21°C on Fri morning, min 18°C on Sat night). Mainly fresh winds. | ||||||||||||||||||||
Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | |||||||||||||||
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) | W 8 | SW 16 | SSW 15 | SSW 14 | NNW 7 | SSW 4 | SSW 4 | S 4 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SW 13 | SW 13 | W 8 | SW 13 | SW 13 | W 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 7 | 38 | 21 | 20 | 0 | 3 | 4 | 1 | 21 | 21 | 21 | 18 | 20 | 20 | 20 | 7 | 7 | 7 | 7 | 7 | 6 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | glassy | cross-on | cross-on | cross-off | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 7:12PM2.36m | 7:35AM2.24m | 7:59PM2.11m | 8:27AM2.07m | 9:03PM1.91m | 9:42AM1.96m | 10:34PM1.82m | 11:14AM1.96m | 00:03AM1.88m | 12:28PM2.09m | 1:03AM2.02m | 1:19PM2.27m | 1:45AM2.19m | ||||||||
Low Tide | 12:54PM0.57m | 1:16AM0.67m | 1:40PM0.78m | 2:01AM0.89m | 2:39PM0.97m | 3:04AM1.06m | 4:08PM1.07m | 4:38AM1.12m | 5:47PM1.03m | 6:06AM1.04m | 6:54PM0.89m | 7:03AM0.88m | 7:39PM0.71m | ||||||||
 | |  | | | | | | | | | | | | | | | | | |  | |
 | 6:52 | — | — | 6:54 | — | — | 6:54 | — | — | 6:56 | — | — | 6:56 | — | — | 6:58 | — | — | 6:58 | — | — |
 | — | 8:28 | — | — | 8:27 | — | — | 8:25 | — | — | 8:23 | — | — | 8:22 | — | — | 8:21 | — | — | 8:20 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 22 | 23 | 22 | 23 | 24 | 22 | 23 | 22 | 19 | 21 | 21 | 19 | 21 | 21 | 19 | 20 | 20 | 19 | 20 | 20 | 19 |
Feels °C | 22 | 23 | 23 | 23 | 25 | 23 | 23 | 20 | 14 | 17 | 17 | 15 | 16 | 16 | 14 | 14 | 14 | 14 | 15 | 16 | 17 |
Swell 1 Height (m) Direction Period (s) | NNW 8 | NNW 8 | NNW 8 | NNW 7 | NNW 7 | NNW 6 | NNW 5 | WNW 9 | W 8 | NW 11 | SSW 14 | NNW 12 | SSW 14 | WNW 9 | SSW 14 | SW 13 | SW 13 | W 8 | SW 13 | W 8 | W 8 |
| kJ | 243 | 237 | 159 | 97 | 72 | 30 | 19 | 61 | 37 | 172 | 21 | 15 | 20 | 26 | 20 | 7 | 7 | 5 | 7 | 1 | 5 |
Swell 2 Height (m) Direction Period (s) | W 8 | SW 16 | WNW 8 | WNW 8 | WNW 10 | WNW 10 | WNW 9 | NW 11 | SSW 15 | WNW 9 | W 11 | SSW 14 | — | SSW 14 | — | — | — | SW 13 | W 8 | SW 13 | SW 12 |
| kJ | 5 | 38 | 13 | 12 | 21 | 51 | 62 | 19 | 21 | 25 | 10 | 18 | — | 20 | — | — | — | 7 | 1 | 7 | 6 |
Swell 3 Height (m) Direction Period (s) | SW 14 | W 8 | SSW 15 | SSW 14 | WNW 8 | SSW 4 | SSW 4 | S 4 | NNW 13 | SSW 15 | — | NNW 12 | — | — | — | — | — | — | W 9 | — | W 11 |
| kJ | 7 | 5 | 21 | 20 | 6 | 3 | 4 | 1 | 17 | 21 | — | 14 | — | — | — | — | — | — | 2 | — | 2 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | NW 5 | NNW 7 | NNW 7 | NNW 10 | NNW 7 | NNW 8 | NNW 8 | NNW 8 | NNW 9 | NNW 8 | NNW 8 | NNW 8 | NNW 7 | NNW 6 |
| kJ | — | — | — | — | — | — | — | 25 | 329 | 242 | 904 | 456 | 674 | 604 | 891 | 1175 | 931 | 618 | 468 | 273 | 151 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 10 | 180 | 4 | 10 | 75 | 0 | 0 | 452 | 319 | 1 | 625 | 113 | 534 | 625 | 480 | 296 | 691 | 462 | 565 | 792 | 93 |
Best forecast wave conditions in Lisboa | |||||||||||||||||||||
Best forecast wave conditions in Portugal | |||||||||||||||||||||
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Information about the Sao Pedro Surf forecast
The above surf forecast table for Sao Pedro provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Sao Pedro can be found by selecting the local surf guide option on the grey menu. Our Sao Pedro 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 (Sao Pedro) 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 Sao Pedro 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.
Sao Pedro is 2 km (1 miles) from Parede. If you plan a holiday in Lisboa, look for hotels and other accommodation in Parede. Parede has rooms for a wide range of budgets as well as car hire and transport links.
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