Cabo de Sines surfForecast / Alentejo / Portugal

information circle48hr Weather and Surf, issued 12 pm Tuesday 19 May 2026 WEST
Forecast update in hr  min  s Forecast update imminent
Cabo de Sines surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Cabo de Sines sea temperature is
16.7° C
(Which is slightly cooler than normal)

How big are the waves at Cabo de Sines today?

The current surf forecast for Cabo de Sines at 5PM is: 1.0m 10s primary swell from a Northwest direction and 0.2m 15s secondary swell from a West-northwest direction, 0.3m 2s secondary swell from a West-northwest direction (forecast issued at 12:00pm May 19). The wind direction is predicted to be cross-shore.

Time (WEST) & DateWave HeightWave Period
Morning (19 May)3.5ft (1.1m)11s
Afternoon (19 May)3.5ft (1.0m)10s
Evening (19 May)3.5ft (1.1m)10s

Table - waves today at Cabo de Sines. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 28°C on Thu afternoon, min 16°C on Tue morning). Wind will be generally light.

Tue
19
Wednesday
20
Thursday
21
Fri
22
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
Rating
(10 max)
2
1
0
0
1
3
4
4
4
4
2
2
4
3
3
3
3
2
1
2
2
1
3
3
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1
NW
11
1
NW
10
1
NW
10
1.3
NW
10
1.1
NW
10
1.1
WNW
16
1.8
NW
14
2.5
NW
14
2.5
NW
14
2.5
WNW
13
2.3
WNW
13
2.2
WNW
13
2.1
WNW
13
1.8
WNW
12
1.7
WNW
12
1.6
WNW
12
1.5
WNW
12
1.4
WNW
12
1.4
WNW
11
1.3
WNW
11
1.3
WNW
11
1.4
WNW
11
1.5
WNW
11
1.6
WNW
10
Wave Graph
Metric surfscale
Energy kJ
220
208
196
309
240
612
1340
2519
2344
2116
1830
1597
1320
967
864
722
636
509
458
419
412
469
496
530
Wind (km/h)
5
N
15
NW
20
NW
25
NW
20
NNW
15
NNE
15
NE
15
NE
15
NE
10
NNW
15
WNW
15
WNW
5
NW
10
E
15
E
10
E
10
ENE
10
NW
10
NW
10
NNW
0
NE
10
SE
10
E
0
ENE
cross-off
cross
cross
cross
cross-off
cross-off
off
off
off
cross-off
cross-on
cross-on
cross-off
cross-off
cross-off
cross-off
off
cross
cross
cross-off
glassy
cross
cross-off
glassy
High Tide
5:18PM3.46m
5:51AM3.11m
6:10PM3.33m
6:49AM2.93m
7:09PM3.17m
Low Tide
10:54AM0.72m
11:32PM0.64m
11:44AM0.88m
00:29AM0.80m
12:40PM1.06m
1:34AM0.96m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
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>
6:22
6:20
6:20
6:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:40
8:42
8:43
8:44
Temp °C
16
18
18
17
18
17
16
16
21
27
24
23
22
22
21
22
24
27
28
26
26
24
23
21
16
16
15
13
15
15
14
14
19
26
22
21
21
20
18
19
22
25
26
24
25
22
20
20
Swell 1
Height (m)
Direction
Period (s)
1
NW
11
1
NW
10
1
NW
10
0.3
WNW
14
1.1
NW
10
1.4
NW
10
1.8
NW
14
2.5
NW
14
2.5
NW
14
2.5
WNW
13
2.3
WNW
13
2.2
WNW
13
2.1
WNW
13
1.8
WNW
12
1.7
WNW
12
1.6
WNW
12
1.5
WNW
12
1.4
WNW
12
1.4
WNW
11
1.3
WNW
11
1.3
WNW
11
1.4
WNW
11
1.5
WNW
11
1.6
WNW
10
Energy kJ
220
208
196
41
240
373
1340
2519
2344
2116
1830
1597
1320
967
864
722
636
509
458
419
412
469
496
530
Swell 2
Height (m)
Direction
Period (s)
0.1
SW
16
0.2
WNW
15
0.2
WNW
15
0.1
SW
15
0.4
WNW
16
1.1
WNW
16
1.3
NW
10
0.1
SW
15
0.1
SW
14
0.1
SW
14
0.1
SW
14
0.1
SW
14
0.1
SW
14
0.1
SW
14
0.1
SW
14
0.1
SW
14
0.1
SW
13
0.2
SSW
13
0.2
S
8
0.2
S
13
0.2
S
4
0.2
S
13
0.2
SSW
13
0.2
SSW
13
Energy kJ
10
21
21
9
104
612
296
8
8
8
8
8
8
8
8
7
7
17
5
14
2
14
17
17
Swell 3
Height (m)
Direction
Period (s)
0.1
W
15
0.1
SW
16
0.1
SW
15
0.1
SW
15
0.3
WNW
13
0.1
SW
15
0.1
SW
15
0.1
SW
13
0.1
SW
13
0.1
SW
16
0.1
SW
13
0.1
S
16
0.1
SW
13
0.1
SW
13
Energy kJ
4
10
9
9
35
9
8
7
7
10
7
5
7
7
Wind waves
Height (m)
Direction
Period (s)
0.3
WNW
2
1.3
NW
10
0.8
NW
4
Energy kJ
1
309
21
Nearest Offshore or Glassy
Rating
(10 max)
2
2
1
2
2
3
4
4
4
4
4
4
4
3
3
3
3
3
3
2
2
2
3
3
Distance (km)
0
73
104
89
20
0
0
0
0
0
67
89
0
0
0
0
0
48
48
0
0
8
0
0
Best forecast wave conditions in Portugal - Alentejo
Rating
(10 max)
2
2
3
4
4
4
4
4
3
3
3
3
3
3
2
2
2
3
3
Best forecast wave conditions in Portugal
Rating
(10 max)
2
2
2
3
4
5
5
4
4
4
4
4
4
4
3
3
3
3
3
3
3
3
3
3
Header Global
Rating
(10 max)
4
4
4
4
5
5
5
5
4
4
4
5
5
4
4
5
5
4
4
5
4
5
5
6
  • 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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