Bicas surfForecast / Lisboa / Portugal

information circle48hr Weather and Surf, issued 6 pm Sunday 31 May 2026 WEST
Forecast update in hr  min  s Forecast update imminent
Bicas surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Bicas sea temperature is
18.2° C
(Which is normal for this time of year)

How big are the waves at Bicas today (31 May):

  • Afternoon surf: Afternoon surf (31 May, local time) - 4.5ft (1.3m), 12s period with WNW swell.
  • Evening surf: Evening surf (31 May, local time) - 4ft (1.2m), 11s period with WNW swell.

The current surf forecast for Bicas at 9PM is: 1.2m 11s primary swell from a West-northwest direction and 0.1m 13s secondary swell from a Southwest direction, 1.1m 6s secondary swell from a North-northwest direction (forecast issued at 06:00pm May 31). The wind direction is predicted to be cross-onshore.

Time (WEST) & DateWave HeightWave Period
Morning (31 May)--
Afternoon (31 May)4.5ft (1.3m)12s
Evening (31 May)4ft (1.2m)11s

Table - waves today at Bicas. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 25°C on Sun afternoon, min 15°C on Tue night). Mainly strong winds.

Sun
31
Monday
1
Tuesday
2
Wed
3
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
10 AM
1 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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)
1.3
WNW
12
1.3
WNW
11
1.2
WNW
11
1.2
WNW
11
1.2
WNW
11
1.1
WNW
11
1.1
WNW
11
1
WNW
10
0.9
WNW
10
0.9
WNW
10
0.9
WNW
10
0.9
WNW
10
0.8
WNW
10
0.8
WNW
9
0.7
WNW
9
1.1
NW
5
1.4
NW
9
1.4
NW
6
0.9
WNW
11
0.9
WNW
11
1.9
NW
14
2
NW
13
2.3
NW
13
1.8
WNW
13
Wave Graph
Metric surfscale
Energy kJ
470
446
370
363
356
303
292
236
170
167
163
160
125
118
86
71
328
127
184
206
1418
1367
1723
1083
Wind (km/h)
30
NNW
30
NNW
25
NNW
20
NNW
25
NNW
25
NNW
25
NNW
35
NW
40
NW
35
NNW
30
NNW
25
NNW
25
NNW
30
NNW
30
NNW
35
NW
40
NW
40
NNW
35
NNW
30
NNW
30
N
25
N
25
NNW
35
NW
on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
on
High Tide
3:31PM3.17m
3:51AM2.96m
4:05PM3.16m
4:26AM2.91m
4:39PM3.13m
5:02AM2.86m
Low Tide
9:44PM0.96m
9:48AM1.03m
10:18PM0.97m
10:20AM1.06m
10:52PM1.01m
10:55AM1.12m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:13
6:13
6:13
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:52
8:53
8:54
8:54
Temp °C
25
22
19
18
17
17
19
22
21
19
17
17
17
17
18
19
19
17
15
15
15
16
19
22
18
16
16
15
14
14
15
17
15
14
13
14
14
14
14
14
13
10
10
10
9
12
14
16
Swell 1
Height (m)
Direction
Period (s)
1.3
WNW
12
1.3
WNW
11
1.2
WNW
11
1.2
WNW
11
1.2
WNW
11
1.1
WNW
11
1.1
WNW
11
1
WNW
10
0.9
WNW
10
0.9
WNW
10
0.9
WNW
10
0.9
WNW
10
0.8
WNW
10
0.8
WNW
9
0.7
WNW
9
0.6
WNW
9
0.4
WNW
11
0.5
WNW
11
0.9
WNW
11
0.9
WNW
11
0.1
SW
15
0.1
SW
15
1.9
WNW
13
0.1
SW
14
Energy kJ
470
446
370
363
356
303
292
236
170
167
163
160
125
118
86
64
50
71
167
206
8
8
1180
8
Swell 2
Height (m)
Direction
Period (s)
0.1
SW
13
0.1
SW
13
0.1
SW
13
0.1
SW
13
0.1
SW
13
0.1
SW
13
0.1
SW
13
0.1
SW
13
0.1
SW
13
0.1
SW
13
0.1
S
12
0.1
S
16
0.1
SW
16
0.1
SW
16
0.1
SW
16
0.4
WNW
11
0.1
S
15
0.5
WNW
9
0.4
WNW
15
0.6
WNW
14
0.1
S
12
0.1
S
12
0.1
SW
15
Energy kJ
7
7
7
7
7
7
7
7
7
6
3
5
10
10
10
49
5
47
77
163
3
3
8
Swell 3
Height (m)
Direction
Period (s)
0.1
S
18
0.1
S
18
0.1
S
18
0.1
S
18
0.1
S
17
0.1
S
16
0.1
S
12
0.1
S
12
0.1
S
12
0.1
W
12
0.1
S
16
0.1
S
12
0.2
WNW
16
0.1
SW
15
0.1
SW
15
0.1
S
12
Energy kJ
6
6
6
6
5
5
3
3
3
3
5
3
26
8
8
3
Wind waves
Height (m)
Direction
Period (s)
1.2
NNW
6
1.3
NNW
6
1.1
NNW
6
1
NNW
6
0.9
NNW
6
1
NNW
5
1
NW
6
1
NW
5
1.1
NW
5
1.1
NW
5
1.1
NW
5
0.9
NNW
5
0.9
NW
5
0.8
NW
5
0.9
NW
5
1.1
NW
5
1.4
NW
9
1.4
NW
6
1.6
NW
6
1.4
NW
7
1.9
NW
14
2
NW
13
2.3
NW
13
1.8
WNW
13
Energy kJ
93
97
85
75
61
56
64
57
69
66
57
44
36
26
45
71
328
127
184
189
1418
1367
1723
1083
Nearest Offshore or Glassy
Rating
(10 max)
3
2
2
2
2
2
2
2
2
1
1
1
1
2
1
1
2
1
2
3
1
2
4
3
Distance (km)
62
157
389
382
27
27
27
68
157
393
418
418
350
193
27
27
544
949
704
507
415
353
320
175
Best forecast wave conditions in Lisboa
Rating
(10 max)
2
2
2
1
1
Best forecast wave conditions in Portugal
Rating
(10 max)
3
2
2
2
2
3
3
3
2
2
2
4
4
2
2
2
2
2
2
3
3
3
4
4
Header Global
Rating
(10 max)
6
6
6
5
5
5
5
5
5
4
5
5
5
5
5
5
5
4
4
4
5
4
4
4
  • 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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