Bicas surfForecast / Lisboa / Portugal

information circle48hr Weather and Surf, issued 6 pm Sunday 17 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
17.0° C
(Which is normal for this time of year)

How big are the waves at Bicas today?

The current surf forecast for Bicas at 12AM is: 0.7m 14s primary swell from a Northwest direction and 0.4m 10s secondary swell from a Northwest direction, 1.0m 6s secondary swell from a Northwest direction (forecast issued at 06:00pm May 17). The wind direction is predicted to be cross-onshore.

Time (WEST) & DateWave HeightWave Period
Morning (18 May)3.5ft (1.1m)13s
Afternoon (18 May)3.5ft (1.1m)12s
Evening (18 May)3.5ft (1.0m)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 28°C on Wed morning, min 13°C on Sun night). Winds decreasing (fresh winds from the NW on Sun afternoon, calm by Tue morning).

Sun
17
Monday
18
Tuesday
19
Wed
20
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
1
1
1
2
0
0
0
0
1
3
3
2
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)
0.9
NW
8
0.5
NW
15
0.6
NW
14
0.7
NW
14
0.8
NW
13
0.9
NW
13
1.3
NW
13
1.2
NW
13
1.1
NW
12
1.1
NW
12
1
NW
11
1.1
NW
11
1
NW
11
0.9
WNW
10
0.9
WNW
10
0.9
WNW
10
1.1
NW
10
1.2
NW
10
1.2
WNW
10
1
WNW
15
1.8
WNW
14
2.1
WNW
14
2.1
WNW
13
1.9
WNW
13
Wave Graph
Metric surfscale
Energy kJ
112
109
169
197
215
249
535
471
367
309
250
278
224
192
182
175
225
275
246
487
1351
1653
1493
1264
Wind (km/h)
30
NW
35
NW
30
NNW
25
NNW
20
NNW
15
NNW
20
NNW
25
WNW
25
WNW
25
NW
20
NW
10
NNW
10
NW
5
N
5
N
15
WNW
25
WNW
30
NW
20
NNW
15
N
10
NE
15
NE
15
NE
5
SW
on
on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
on
on
on
cross-on
glassy
cross-on
on
on
cross-on
cross-on
cross
cross
cross
cross
High Tide
3:43PM3.55m
4:10AM3.40m
4:30PM3.54m
5:00AM3.29m
5:19PM3.46m
5:53AM3.12m
Low Tide
9:56PM0.52m
10:13AM0.65m
10:45PM0.56m
11:00AM0.77m
11:37PM0.67m
11:51AM0.93m
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
cloud
cloud
part cloud
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:22
6:22
6:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:42
8:43
8:44
8:45
Temp °C
16
15
14
14
13
13
14
15
15
15
15
14
14
14
16
16
18
20
19
18
18
18
21
28
10
9
9
10
9
10
10
11
10
11
12
13
13
14
16
14
15
16
17
16
17
16
19
27
Swell 1
Height (m)
Direction
Period (s)
0.3
NW
16
0.5
NW
15
0.6
NW
14
0.7
NW
14
0.8
NW
13
0.9
NW
13
1.3
NW
13
1.2
NW
13
1.1
NW
12
1.1
NW
12
1
NW
11
1.1
NW
11
1
NW
11
0.9
WNW
10
0.9
WNW
10
0.9
WNW
10
0.2
WNW
15
0.3
WNW
14
1.2
WNW
10
1.2
NW
10
1.8
WNW
14
2.1
WNW
14
2.1
WNW
13
1.9
WNW
13
Energy kJ
40
109
169
197
215
249
535
471
367
309
250
278
224
192
182
175
21
38
246
269
1351
1653
1493
1264
Swell 2
Height (m)
Direction
Period (s)
0.2
WNW
12
0.2
WNW
11
0.3
WNW
11
0.4
NW
10
0.4
NW
10
0.1
S
18
0.1
SW
18
0.1
SW
18
0.1
SW
17
0.1
SW
16
0.1
SW
16
0.1
SW
16
0.1
SW
16
0.2
SSW
16
0.2
SSW
16
0.2
WNW
15
0.2
SSW
16
0.2
SSW
15
0.4
WNW
16
1
WNW
15
0.2
SSW
15
0.2
SSW
15
0.2
SSW
15
0.2
SSW
14
Energy kJ
14
12
23
26
35
6
12
12
11
10
10
10
10
25
25
21
24
23
103
487
21
21
21
21
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
18
0.3
NW
9
0.1
W
17
0.1
W
16
0.1
W
16
0.1
W
16
0.1
W
15
0.2
SSW
16
0.3
WNW
14
0.2
SSW
15
0.1
SW
15
Energy kJ
7
7
6
6
6
14
6
5
5
5
4
24
37
22
8
Wind waves
Height (m)
Direction
Period (s)
0.9
NW
8
1.1
NW
5
1.1
NW
5
0.9
NW
6
0.9
NW
6
0.8
NW
9
0.6
WNW
4
0.7
WNW
4
0.5
WNW
4
0.5
WNW
4
1.1
NW
10
1.2
NW
10
0.4
NNW
3
0.3
N
3
Energy kJ
112
47
53
56
60
112
10
12
7
9
225
275
3
1
Nearest Offshore or Glassy
Rating
(10 max)
1
2
2
2
3
2
3
2
2
2
3
2
2
2
2
2
1
2
2
3
4
4
4
4
Distance (km)
643
609
27
27
27
20
68
159
463
474
27
20
27
14
0
27
161
31
20
14
1
1
7
12
Best forecast wave conditions in Lisboa
Rating
(10 max)
2
2
3
3
3
3
2
2
2
2
2
3
4
4
4
4
4
Best forecast wave conditions in Portugal
Rating
(10 max)
3
3
3
2
4
4
3
3
4
4
4
4
3
2
2
2
2
2
4
4
5
4
4
4
Header Global
Rating
(10 max)
8
6
4
4
5
7
5
4
5
4
4
4
4
4
4
4
4
4
4
4
5
4
4
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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