Praia dos Aivados surfForecast / Alentejo / Portugal

information circle16 Day Weather and Surf, issued 12 am Tuesday 21 Apr 2026 WEST
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
15.9° C
(Which is normal 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 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Apr 21) at 10AM. The primary swell is predicted to be 0.3m and 13s period with a secondary swell of 0.4m and 8s. Another secondary swell of 0.3m and 9s is also forecast. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Praia dos Aivados in the next 16 days are 2.5m 12s and forecast to arrive on Wednesday (Apr 22) at 10AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 5s period and expected on Tuesday (Apr 21) at 7AM.

Wave TypeTime (WEST) & Date Wave Height & Period
Next good surf (1 star+)10AM (Tue 21st Apr)1ft (0.3m) 13s
Best Surf 7AM (Wed 22nd Apr)8ft (2.5m) 12s
Most Powerful10AM (Wed 22nd Apr)8ft (2.5m) 12s

Table - best surf conditions forecast for Praia dos Aivados over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Warm (max 22°C on Mon night, min 12°C on Tue night). Winds decreasing (fresh winds from the SSE on Mon night, calm by Wed night).

Days 3-6 Weather Summary Mostly dry. Warm (max 21°C on Sun morning, min 12°C on Sat night). Wind will be generally light.

Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
Mon
27
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
1
1
3
4
2
3
2
1
1
1
1
1
0
0
1
1
0
1
1
0
Swell
Height Map
Wave Height (m) & direction (?)
0.4
WNW
0.3
NW
0.7
NW
1.9
WNW
2.5
WNW
1.7
WNW
1.8
NW
1.6
W
2.1
W
1.9
W
1.8
W
2.1
WNW
1.6
WNW
1.2
WNW
1
W
1
WNW
1.4
NW
1
WNW
0.8
WNW
0.8
WNW
0.8
NNW
Period(s) (?)1013151312101311121111121110991010999
Wave
Graph
(?)Metric surfscale
Energy kJ (?)3526212116216376251077640116783173411216222881691664161921069688
Wind
(km/h)
15
ESE
20
SSW
20
SW
10
NW
5
NE
15
W
5
NNW
10
NNW
20
NW
10
NNW
15
NNW
20
NW
10
N
10
N
20
NW
10
N
10
NNE
15
NW
5
NNW
5
NNW
15
NW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
offcross-
off
cross-
on
glasscrosscross-
on
oncross-
on
ononcross-
on
ononcross-
on
oncross-
on
cross-
on
glassglasscross-
on
High Tide
/ height (m)
5:52AM
2.66
6:12PM
2.73
6:48AM
2.41
7:12PM
2.54
7:58AM
2.19
8:25PM
2.38
9:23AM
2.06
9:50PM
2.33
10:49AM
2.08
11:09PM
2.38
11:57AM
2.20
12:12AM
2.49
12:50PM
2.35
Low Tide
/ height (m)
11:35PM
0.14
11:52AM
0.37
12:30AM
0.34
12:46PM
0.60
1:37AM
0.55
1:54PM
0.80
3:01AM
0.69
3:21PM
0.91
4:33AM
0.70
4:51PM
0.87
5:46AM
0.60
6:00PM
0.75
6:41AM
0.49
6:52PM
0.60
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
Mon
27
Sunrise-6:52--6:50--6:50--6:48--6:47--6:46--6:45-
Sunset--8:15--8:15--8:16--8:17--8:19--8:20--8:21
cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
clear
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
part cloud
part cloud
Rain (mm)
---------------------
Temp. °C222219151816131717141818151818152120152219
Feels °C (?)161916141613111413121615131515131917152017
  • 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 16 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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