Bicas surfForecast / Lisboa / Portugal

information circle48hr Weather and Surf, issued 12 am 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):

  • Morning surf: Morning surf (31 May, local time) - 4.5ft (1.3m), 12s period with WNW swell.
  • 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 5AM is: 1.7m 12s primary swell from a West-northwest direction and 0.2m 14s secondary swell from a South-southwest direction, 1.3m 6s secondary swell from a North-northwest direction (forecast issued at 12:00am May 31). The wind direction is predicted to be cross-onshore.

Time (WEST) & DateWave HeightWave Period
Morning (31 May)4.5ft (1.3m)12s
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 Sat night). Winds increasing (light winds from the N on Sat night, strong winds from the NNW by Tue afternoon).

Sunday
31
Monday
1
Tuesday
2
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
4 PM
7 PM
10 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
Wave
Height (m)
Direction
Period (s)
1.7
WNW
12
1.7
WNW
12
1.3
WNW
12
1.3
WNW
12
1.3
WNW
12
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
0.8
WNW
10
0.8
WNW
10
0.8
WNW
9
0.7
WNW
9
0.7
WNW
9
1.3
NW
9
1.3
NW
6
0.9
WNW
11
Wave Graph
Metric surfscale
Energy kJ
802
748
478
478
478
462
446
370
363
356
303
292
236
170
167
163
128
128
118
86
84
294
107
167
Wind (km/h)
20
N
15
N
15
N
20
NNW
30
NNW
30
NNW
30
NNW
25
NNW
20
NNW
20
NNW
25
NNW
30
NNW
35
NW
35
NW
35
NNW
30
NNW
25
NNW
25
NNW
25
NNW
25
NNW
35
NW
40
NNW
40
NNW
35
NNW
cross-on
cross-on
cross-on
cross-on
on
on
on
cross-on
on
cross-on
cross-on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
cross-on
High Tide
3:16AM2.99m
3:31PM3.17m
3:51AM2.96m
4:05PM3.16m
4:26AM2.91m
4:39PM3.13m
Low Tide
9:16AM1.00m
9:44PM0.96m
9:48AM1.03m
10:18PM0.97m
10:20AM1.06m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:15
6:13
6:13
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:52
8:53
8:54
Temp °C
16
16
15
20
24
25
22
19
17
17
17
19
22
21
20
18
17
17
18
18
19
19
17
15
12
13
12
17
18
19
16
16
14
15
14
15
17
15
16
15
14
14
15
15
13
12
10
9
Swell 1
Height (m)
Direction
Period (s)
1.7
WNW
12
1.7
WNW
12
1.3
WNW
12
1.3
WNW
12
1.3
WNW
12
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
0.8
WNW
10
0.8
WNW
10
0.8
WNW
9
0.7
WNW
9
0.7
WNW
9
0.4
WNW
11
0.6
WNW
9
0.9
WNW
11
Energy kJ
802
748
478
478
478
462
446
370
363
356
303
292
236
170
167
163
128
128
118
86
84
50
66
167
Swell 2
Height (m)
Direction
Period (s)
0.2
SSW
14
0.2
SSW
14
0.2
SSW
14
0.1
SW
14
0.1
SW
14
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
NW
12
0.1
SW
16
0.3
WNW
11
0.1
S
15
0.5
W
12
0.4
WNW
16
Energy kJ
20
20
20
8
7
7
7
7
7
7
7
7
7
7
6
3
5
10
6
10
25
5
67
80
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
SW
16
0.1
NW
10
0.1
S
16
0.1
S
12
0.2
WNW
16
0.1
SW
15
Energy kJ
6
6
6
6
5
5
3
3
10
4
5
3
26
8
Wind waves
Height (m)
Direction
Period (s)
1.3
NNW
6
1.3
NNW
7
0.8
NNW
6
0.7
NW
6
0.9
NW
6
1.1
NW
6
1.2
NNW
6
1.1
NNW
5
1
NNW
6
0.9
NNW
6
0.9
NNW
6
0.9
NNW
6
1
NW
5
1.1
NW
5
1.2
NW
5
1.1
NW
5
1.1
NW
5
0.9
NNW
5
0.9
NW
5
0.8
NW
5
1
NW
5
1.3
NW
9
1.3
NW
6
1.4
NW
6
Energy kJ
140
134
47
38
54
83
84
71
68
55
53
55
57
69
79
60
60
42
32
25
43
294
107
133
Nearest Offshore or Glassy
Rating
(10 max)
3
3
3
3
2
2
1
2
2
2
2
2
2
1
1
1
2
1
1
1
2
1
3
1
Distance (km)
27
14
14
62
157
393
204
27
27
27
27
157
175
418
418
350
27
68
27
459
544
704
544
333
Best forecast wave conditions in Lisboa
Rating
(10 max)
3
3
3
2
2
2
2
2
1
Best forecast wave conditions in Portugal
Rating
(10 max)
4
3
3
3
2
2
2
2
3
3
2
2
2
4
4
4
2
2
2
2
2
2
2
3
Header Global
Rating
(10 max)
7
7
7
7
6
5
5
5
5
5
5
5
4
5
9
5
5
5
8
5
6
4
5
5
  • 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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