Praia dos Aivados surfForecast / Alentejo / Portugal

information circle12 Day Weather and Surf, issued 11 am Tuesday 13 Jan 2026 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
15.5° C
(Which is slightly cooler than normal)


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 Tuesday (Jan 13) at 9PM. The primary swell is predicted to be 3.5m and 13s period. The wind is predicted to be cross-onshore as the swell arrives.

The most powerful waves expected at Praia dos Aivados in the next 12 days are 4.0m 15s and forecast to arrive on Saturday (Jan 17) at 6AM. Winds are predicted to be cross-shore at the time the swell arrives.

Wave TypeTime (WET) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Tue 13th Jan)11ft (3.5m) 13s
Best Surf 9PM (Tue 13th Jan)11ft (3.5m) 13s
Most Powerful 6AM (Sat 17th Jan)13ft (4.0m) 15s

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 15mm), heaviest on Thu afternoon. Very mild (max 15°C on Tue morning, min 11°C on Wed night). Winds increasing (calm on Wed night, fresh winds from the SW by Thu afternoon).

Days 3-6 Weather Summary Heavy rain (total 23mm), heaviest during Fri night. Very mild (max 13°C on Fri morning, min 6°C on Sun night). Winds decreasing (strong winds from the NW on Sat morning, light winds from the NNE by Sun night).

Tuesday
13
Wednesday
14
Thursday
15
Friday
16
Saturday
17
Sunday
18
Monday
19
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
2
!
!
!
2
4
3
2
5
!
!
!
0
0
!
!
2
2
4
0
3
Swell
Height Map
Wave Height (m) & direction (?)
2.2
W
3.5
W
3.5
W
3.5
WNW
3
WNW
2.1
WNW
1.6
WNW
1.4
NW
3
NW
4
WNW
3.5
WNW
4
NW
4
NW
4
NW
4
NW
3.5
NW
3
NW
2.5
NW
2.3
NW
2
NW
2.2
NW
Period(s) (?)101313121212122117161515151414131211111010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)93839484595414229071200701181651357171576771518046659655743588251315851232784906
Wind
(km/h)
25
SSW
20
W
10
NW
10
N
20
NNW
5
ENE
10
WSW
30
SW
15
NNW
15
W
20
WNW
15
SSW
40
NW
35
NNW
20
NNW
15
NNE
15
N
10
NNE
5
ENE
20
NNW
10
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
crosscross-
on
oncross-
on
glasscross-
off
cross-
off
cross-
on
crosscross-
on
cross-
off
cross-
on
cross-
on
onononcross-
on
glassonon
High Tide
/ height (m)
10:35AM
1.98
11:10PM
2.09
11:40AM
2.04
12:05AM
2.21
12:32PM
2.15
12:51AM
2.36
1:15PM
2.27
1:31AM
2.51
1:52PM
2.39
2:07AM
2.65
2:28PM
2.48
2:42AM
2.76
3:01PM
2.55
Low Tide
/ height (m)
4:45PM
0.96
5:28AM
0.93
5:45PM
0.89
6:22AM
0.80
6:34PM
0.77
7:06AM
0.66
7:14PM
0.64
7:45AM
0.52
7:51PM
0.51
8:20AM
0.40
8:25PM
0.40
8:55AM
0.30
8:59PM
0.32
Tuesday
13
Wednesday
14
Thursday
15
Friday
16
Saturday
17
Sunday
18
Monday
19
Sunrise7:50--7:48--7:48--7:48--7:48--7:48--7:48--
Sunset-5:37--5:37--5:38--5:39--5:40--5:42--5:43-
rain showers
thunderstorm
rain showers
clear
part cloud
part cloud
cloud
rain showers
rain showers
rain showers
rain showers
rain showers
light rain
light rain
rain showers
part cloud
part cloud
clear
clear
clear
part cloud
Rain (mm)
322----711310234------
Temp. °C151413141412141413131311111010910811129
Feels °C (?)1011121110101011101098324664776
  • Map Icons:
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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