Cabo de Sines surfForecast / Alentejo / Portugal

information circle48hr Weather and Surf, issued 12 pm Friday 15 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
17.1° C
(Which is normal for this time of year)

How big are the waves at Cabo de Sines today?

The current surf forecast for Cabo de Sines at 7PM is: 2.2m 7s primary swell from a Northwest direction and 0.1m 12s secondary swell from a South direction (forecast issued at 12:00pm May 15). The wind direction is predicted to be cross-offshore.

Time (WEST) & DateWave HeightWave Period
Morning (15 May)6.5ft (2.0m)8s
Afternoon (15 May)6.5ft (2.0m)7s
Evening (15 May)7ft (2.2m)7s

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. Very mild (max 18°C on Fri afternoon, min 13°C on Fri night). Winds decreasing (strong winds from the NNW on Fri afternoon, light winds from the N by Sun night).

Fri
15
Saturday
16
Sunday
17
Mon
18
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)
1
1
0
0
0
0
1
2
1
1
0
0
0
0
0
1
1
0
0
0
0
0
1
2
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)
2
NNW
8
1.8
NW
8
2.1
NW
7
2.2
NW
7
2
NNW
7
2
NNW
8
1.9
NNW
9
1.8
NW
9
1.7
NNW
9
1.8
NW
9
1.7
NW
9
2.1
NW
6
1.9
NW
6
1.7
NNW
7
1.6
NW
8
1.4
NW
8
1.1
NW
8
1.1
NW
8
1.3
NW
5
1.4
NW
5
0.6
NW
15
0.9
NW
14
0.9
NW
14
1.1
NW
13
Wave Graph
Metric surfscale
Energy kJ
500
428
381
447
394
464
553
528
450
516
450
359
303
289
276
232
171
149
76
106
176
341
308
451
Wind (km/h)
35
N
30
NNW
40
NNW
35
NNW
30
NNW
30
N
25
N
20
N
20
N
20
NW
30
NW
35
NNW
30
NNW
25
NNW
25
NNW
20
N
20
NNW
30
NW
35
NW
30
NW
30
NNW
25
NNW
15
N
15
N
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
High Tide
2:15PM3.35m
2:35AM3.38m
2:58PM3.48m
3:21AM3.41m
3:43PM3.54m
4:09AM3.37m
Low Tide
7:58AM0.65m
8:20PM0.63m
8:40AM0.56m
9:05PM0.52m
9:23AM0.55m
9:52PM0.49m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
cloud
part cloud
cloud
cloud
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:24
6:24
6:24
6:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:37
8:38
8:39
8:40
Temp °C
15
17
18
17
15
14
13
13
15
18
18
17
15
14
14
14
15
17
16
16
15
14
13
13
8
11
10
10
9
9
8
9
11
14
12
10
9
9
9
10
11
12
10
10
10
9
10
10
Swell 1
Height (m)
Direction
Period (s)
0.5
NW
12
0.6
NNW
12
0.1
S
12
0.1
S
12
0.1
S
12
0.1
S
12
0.1
S
12
0.1
S
12
1.7
NNW
9
1.5
NW
9
0.1
W
16
0.1
W
15
0.1
NW
14
0.1
NW
14
0.2
WNW
13
0.2
WNW
13
0.2
WNW
12
0.3
NW
16
0.4
NW
15
0.6
NW
15
0.9
NW
14
0.9
NW
14
1.1
NW
13
Energy kJ
74
88
3
3
3
3
3
3
450
357
5
4
8
7
17
17
14
41
83
176
341
308
451
Swell 2
Height (m)
Direction
Period (s)
0.1
S
13
0.1
S
12
0.1
S
12
0.1
S
12
0.1
W
18
0.1
NW
18
0.1
NW
16
0.2
WNW
12
0.2
WNW
11
0.4
NW
11
0.3
NW
10
0.4
NW
10
0.1
SW
18
Energy kJ
3
3
3
3
6
12
11
14
12
30
17
25
12
Swell 3
Height (m)
Direction
Period (s)
0.1
NW
18
0.1
W
8
0.1
S
18
0.1
SW
18
0.2
WNW
11
0.1
S
18
0.1
S
18
Energy kJ
13
1
6
13
11
6
6
Wind waves
Height (m)
Direction
Period (s)
2
NNW
8
1.8
NW
8
2.1
NW
7
2.2
NW
7
2
NNW
7
2
NNW
8
1.9
NNW
9
1.8
NW
9
1.8
NW
9
1.7
NW
9
2.1
NW
6
1.9
NW
6
1.7
NNW
7
1.6
NW
8
1.4
NW
8
1.1
NW
8
1.1
NW
8
1.3
NW
5
1.4
NW
5
1.3
NW
5
1.2
NW
5
1.1
NW
6
1.1
NW
7
Energy kJ
500
428
381
447
394
464
553
528
516
450
359
303
289
276
232
171
149
76
106
87
76
72
100
Nearest Offshore or Glassy
Rating
(10 max)
1
1
2
2
1
1
1
1
1
1
2
2
1
1
1
1
1
1
1
2
1
2
2
2
Distance (km)
113
113
629
683
279
294
98
113
113
104
598
598
534
113
113
329
417
683
683
657
472
89
8
8
Best forecast wave conditions in Portugal - Alentejo
Rating
(10 max)
3
2
Best forecast wave conditions in Portugal
Rating
(10 max)
2
1
2
2
2
2
3
3
3
2
2
3
2
2
2
2
3
3
3
2
3
3
4
4
Header Global
Rating
(10 max)
5
5
6
5
5
5
5
5
4
6
6
5
5
4
5
5
5
9
9
7
4
4
5
8
  • 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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