Praia dos Aivados Surf Break

Lat Long: 37.80° N 8.80° W

Praia dos Aivados Surf Forecast and Surf Report

Issued: 12 am 18 Aug 2026 (local time)

Forecast update in  hr  min

Today's Praia dos Aivados sea temperature is
19.4° C
1.8° 

Praia dos Aivados surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Praia dos Aivados surf forecast from 18 Aug 2026:

  • Best quality surf: Tuesday 18 Aug, 10AM (local time) - 3ft (0.9m), 8s period, NNW swell with cross-offshore winds.
  • Most powerful swell: Sunday 23 Aug, 7PM (local time) - 7ft (2.1m), 8s period, NW swell with 478 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 18 Aug, 10AM (local time) - 3ft (0.9m), 8s period with NNW swell.

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 (Aug 18) at 10AM. The primary swell is predicted to be 0.9m and 8s period with a secondary swell of 0.2m and 8s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Praia dos Aivados in the next 16 days are 2.1m 8s and forecast to arrive on Sunday (Aug 23) at 7PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 4s period and expected on Wednesday (Aug 19) at 7PM.

Wave TypeTime (WEST) & Date Wave Height & Period
Next good surf (1 star+)10AM (Tue 18th Aug)3ft (0.9m) 8s
Best Surf10AM (Tue 18th Aug)3ft (0.9m) 8s
Most Powerful 7PM (Sun 23rd Aug)7ft (2.1m) 8s

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


Short Range Forecast

Mostly dry. Warm (max 26°C on Tue morning, min 19°C on Tue night). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Warm (max 21°C on Fri morning, min 17°C on Fri 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
Rating
(10 max)
1
0
1
1
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
NNW
8
0.8
NNW
8
0.7
NW
8
0.6
NNW
8
0.4
NNW
7
0.4
WNW
10
0.5
WNW
9
0.5
WNW
9
0.5
WNW
9
1.6
NW
8
1.3
NW
7
1.6
NW
7
1.4
NW
10
1.6
NW
9
1.8
NW
7
1.8
NW
8
1.9
NW
8
1.7
NW
7
1.4
NW
8
1.4
NW
8
1.4
NW
7
Wave Graph
Metric surfscale
Energy kJ
114
84
60
41
21
38
47
44
44
281
194
227
392
418
321
428
475
318
223
229
163
Wind (km/h)
10
SW
15
WSW
5
SE
5
SSW
20
SW
10
S
5
SSW
20
W
15
N
15
NNW
30
NW
15
NNW
20
NNW
25
NW
20
NNW
25
NW
30
NW
20
NNW
15
NW
25
NW
5
N
Wind State
cross-off
cross-off
glassy
off
cross-off
off
glassy
cross
on
cross-on
cross-on
on
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
on
High Tide
6:48AM2.43m
7:08PM2.37m
7:31AM2.25m
7:55PM2.12m
8:23AM2.08m
8:59PM1.92m
9:38AM1.97m
10:30PM1.83m
11:10AM1.97m
11:59PM1.89m
12:24PM2.10m
00:59AM2.03m
1:15PM2.28m
1:41AM2.20m
Low Tide
12:49PM0.58m
1:12AM0.68m
1:35PM0.79m
1:57AM0.90m
2:35PM0.98m
3:00AM1.07m
4:03PM1.08m
4:34AM1.13m
5:43PM1.04m
6:02AM1.05m
6:50PM0.90m
6:59AM0.88m
7:35PM0.72m
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:52
6:52
6:54
6:54
6:56
6:56
6:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:24
8:22
8:22
8:21
8:19
8:17
8:15
 mm
Temp °C
26
25
21
26
25
21
24
24
20
21
21
19
21
21
19
20
20
19
24
23
19
Feels °C
25
24
23
25
24
23
24
23
20
17
17
16
18
17
16
16
15
16
22
20
18
  • Map Icons:
  • Break
  • 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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