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Praia dos Aivados surfForecast / Alentejo / Portugal

information circle12 Day Weather and Surf, issued 11 am Monday 08 Dec 2025 WET
Forecast update in hr  min  s Forecast update imminent
Praia dos Aivados surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Praia dos Aivados sea temperature is
16.3° C
(Which is 1.0°C colder than average for this time of year)


Best Forecast Surf Conditions for Praia dos Aivados this week:

The surf forecast for Praia dos Aivados over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Dec 08) at 6PM. The primary swell is predicted to be 4.0m and 19s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Praia dos Aivados in the next 12 days are 5.0m 19s and forecast to arrive on Saturday (Dec 13) at 3AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Tuesday (Dec 09) at 6AM.

Wave TypeTime (WET) & Date Wave Height & Period
Next good surf (1 star+) 6PM (Mon 8th Dec)13ft (4.0m) 19s
Best Surf 6PM (Mon 8th Dec)13ft (4.0m) 19s
Most Powerful 3AM (Sat 13th Dec)16ft (5.0m) 19s

Table - best surf conditions forecast for Praia dos Aivados over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Moderate rain (total 18mm), heaviest on Tue night. Very mild (max 19°C on Tue morning, min 11°C on Wed night). Winds decreasing (fresh winds from the SSW on Tue afternoon, calm by Wed night).

Days 3-6 Weather Summary Heavy rain (total 57mm), heaviest during Fri afternoon. Very mild (max 15°C on Thu afternoon, min 10°C on Fri night). Mainly strong winds.

Monday
08
Tuesday
09
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
4
7
!
!
!
!
!
!
!
5
4
4
4
!
0
!
!
!
3
3
4
Swell
Height Map
Wave Height (m) & direction (?)
2.5
WNW
2.5
WNW
4.5
WNW
4
WNW
4
W
4
WNW
3.5
WNW
3.5
WNW
3.5
WNW
3
WNW
2.5
WNW
1.6
NW
3
W
3.5
WNW
3.5
NW
5
NW
5
NW
4
NW
3
NW
2.5
NW
2.5
NW
Period(s) (?)121918161614131313131313121019171716141313
Wave
Graph
(?)Metric surfscale
Energy kJ (?)20055498113437954846864444599358538933359219778428312119917015203125577873383522212013
Wind
(km/h)
15
SE
20
S
15
SSE
25
S
35
SSW
10
WNW
10
NNW
15
NW
5
NE
5
SE
10
SSW
15
SSE
20
SSE
10
NNE
40
NNE
20
NE
20
NNE
15
NNE
10
NE
5
NE
5
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
offcross-
off
offoffcross-
on
cross-
on
cross-
on
glasscross-
off
offoffcross-
off
cross-
on
cross-
on
cross-
on
oncross-
on
cross-
on
cross-
on
glass
High Tide
/ height (m)
4:59PM
2.53
5:17AM
2.81
5:53PM
2.36
6:12AM
2.63
6:51PM
2.20
7:11AM
2.46
7:54PM
2.10
8:15AM
2.32
9:01PM
2.07
9:20AM
2.23
10:05PM
2.10
10:23AM
2.20
11:00PM
2.18
Low Tide
/ height (m)
10:45AM
0.16
10:54PM
0.41
11:40AM
0.34
11:46PM
0.57
12:38PM
0.51
12:43AM
0.73
1:40PM
0.65
1:49AM
0.85
2:45PM
0.75
3:00AM
0.91
3:48PM
0.78
4:09AM
0.90
4:43PM
0.77
Monday
08
Tuesday
09
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Sunrise7:37--7:37--7:39--7:39--7:39--7:41--7:41--
Sunset-5:15--5:15--5:15--5:15--5:15--5:15--5:15-
part cloud
clear
part cloud
cloud
mod rain
rain showers
clear
clear
clear
cloud
cloud
mod rain
heavy rain
rain showers
heavy rain
part cloud
clear
clear
clear
clear
part cloud
Rain (mm)
----108-----9141420------
Temp. °C171816191516151514141514121311131412141614
Feels °C (?)14151214101713121213131281159108121513
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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Information about the Praia dos Aivados Surf forecast

The above surf forecast table for Praia dos Aivados provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Praia dos Aivados can be found by selecting the local surf guide option on the grey menu. Our Praia dos Aivados 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 dos Aivados) 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 dos Aivados 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 dos Aivados is 19 km (12 miles) from Sines. If you plan a holiday in Portugal - Alentejo, look for hotels and other accommodation in Sines. Sines has rooms for a wide range of budgets as well as car hire and transport links.

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