Bicas surfForecast / Lisboa / Portugal

information circle16 Day Weather and Surf, issued 6 pm Monday 27 Apr 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
16.6° C
(Which is normal for this time of year)

Best Forecast Surf Conditions for Bicas this week:

The surf forecast for Bicas over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Apr 30) at 1AM. The primary swell is predicted to be 0.9m and 11s period with a secondary swell of 0.3m and 9s. Another secondary swell of 0.9m and 6s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Bicas in the next 16 days are 0.8m 16s and forecast to arrive on Thursday (Apr 30) at 10PM. Winds are predicted to be cross-shore at the time the swell arrives.

Wave TypeTime (WEST) & Date Wave Height & Period
Next good surf (1 star+) 1AM (Thu 30th Apr)3ft (0.9m) 11s
Best Surf 1AM (Thu 30th Apr)3ft (0.9m) 11s
Most Powerful10PM (Thu 30th Apr)2.5ft (0.8m) 16s

Table - best surf conditions forecast for Bicas over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 21°C on Mon afternoon, min 15°C on Tue night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Very mild (max 18°C on Thu afternoon, min 14°C on Fri night). Wind will be generally light.

Mon
27
Tuesday
28
Wednesday
29
Thursday
30
Friday
1
Saturday
2
Sunday
3
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
Rating
(10 max)
0
0
1
0
0
0
0
2
2
1
1
2
0
0
1
0
1
0
0
1
0
Swell
Height Map
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
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<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
0.6
NW
7
0.5
W
10
1
NW
8
0.7
WNW
13
0.9
WNW
12
1
WNW
12
1
WNW
12
0.9
WNW
11
0.8
WNW
11
0.7
NW
16
0.8
NW
15
0.8
NW
14
0.8
NW
14
0.8
NW
13
0.7
NW
12
0.7
NW
12
0.6
NW
11
0.6
NW
11
0.9
NW
11
0.5
NW
10
0.7
NW
10
Wave Graph
Metric surfscale
Energy kJ
41
52
121
187
267
329
308
209
158
260
313
293
269
205
146
139
76
72
163
48
94
Wind (km/h)
20
WNW
10
NNW
5
NW
20
W
10
WNW
10
WSW
20
SW
15
SSW
20
SSE
10
SW
5
WSW
10
WNW
20
W
15
NNW
5
NNE
20
WNW
5
NNE
5
NW
20
WNW
5
WNW
20
S
on
on
on
cross-on
cross-on
cross-on
cross
cross-off
off
cross
cross-on
cross-on
cross-on
cross-on
cross
on
glassy
on
cross-on
glassy
cross-off
High Tide
1:12AM3.14m
1:42PM3.04m
1:54AM3.22m
2:18PM3.14m
2:32AM3.25m
2:51PM3.22m
3:05AM3.24m
3:22PM3.25m
3:38AM3.19m
3:53PM3.25m
4:10AM3.11m
4:24PM3.21m
4:42AM3.01m
Low Tide
7:03PM1.11m
7:34AM0.90m
7:46PM0.98m
8:10AM0.84m
8:23PM0.89m
8:42AM0.81m
8:57PM0.83m
9:12AM0.82m
9:29PM0.82m
9:41AM0.86m
10:01PM0.85m
10:09AM0.92m
10:33PM0.91m
10:38AM1.01m
cloud
part cloud
part cloud
part cloud
part cloud
cloud
clear
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
cloud
cloud
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:43
6:43
6:41
6:39
6:39
6:37
6:37
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:23
8:24
8:25
8:27
8:27
8:28
8:29
8:30
3
Temp °C
21
19
17
17
15
16
17
15
17
18
17
17
16
15
17
18
18
17
17
16
17
19
17
17
15
12
13
13
12
14
15
16
15
13
13
15
14
17
16
14
15
15
Swell 1
Height (m)
Direction
Period (s)
0.4
W
8
0.5
W
10
0.6
NW
8
0.7
WNW
13
0.9
WNW
12
1
WNW
12
1
WNW
12
0.9
WNW
11
0.8
WNW
11
0.8
W
11
0.8
NW
15
0.9
W
11
0.9
W
11
0.8
NW
13
0.7
NW
12
0.7
NW
12
0.6
W
9
0.6
NW
11
0.4
W
8
0.5
NW
10
0.7
NW
10
Energy kJ
21
52
51
187
267
329
308
209
158
143
313
209
195
205
146
139
59
72
20
48
94
Swell 2
Height (m)
Direction
Period (s)
0.4
NW
8
0.3
W
8
0.6
W
10
0.5
W
9
0.5
W
9
0.4
NNW
7
0.3
NNW
9
0.3
NNW
9
0.7
WSW
6
0.7
NW
16
0.8
W
10
0.8
NW
14
0.8
NW
14
0.8
W
11
0.7
W
10
0.6
W
10
0.6
NW
11
0.5
W
8
0.1
S
13
0.4
W
7
0.3
W
10
Energy kJ
18
11
68
42
39
15
16
16
31
260
135
293
269
146
96
68
76
33
3
17
18
Swell 3
Height (m)
Direction
Period (s)
0.3
WNW
11
0.4
NW
8
0.5
WNW
15
0.5
W
9
0.1
NW
18
0.4
NW
18
0.6
WSW
5
0.4
WSW
5
0.1
N
9
0.1
N
8
0.1
S
14
0.3
NW
5
0.1
S
14
0.1
S
13
0.4
NNW
6
0.1
S
13
0.1
S
12
0.3
W
7
Energy kJ
24
15
121
42
12
113
22
8
2
1
4
3
4
3
14
3
3
8
Wind waves
Height (m)
Direction
Period (s)
0.6
NW
7
0.6
NW
7
1
NW
8
0.7
NW
7
0.6
NW
7
0.6
WNW
6
0.9
WSW
4
0.9
WSW
6
0.4
W
4
0.6
NNW
4
0.2
NNE
2
0.4
NW
5
0.4
NNW
5
0.9
NW
11
0.7
NNW
7
Energy kJ
41
35
119
54
36
25
25
53
6
9
1
6
11
163
41
Nearest Offshore or Glassy
Rating
(10 max)
1
1
2
1
2
2
1
2
2
4
2
2
1
2
2
2
1
1
1
1
2
Distance (km)
30
20
5
157
27
81
382
0
0
39
12
27
159
20
5
27
0
12
465
0
54
Best forecast wave conditions in Lisboa
Rating
(10 max)
1
1
2
2
2
3
4
3
3
3
2
2
2
1
2
Best forecast wave conditions in Portugal
Rating
(10 max)
1
2
2
2
2
2
2
2
3
4
4
4
3
3
2
2
2
2
2
2
2
Header Global
Rating
(10 max)
5
5
5
9
7
5
7
5
4
6
7
5
5
5
4
4
4
4
4
5
7
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Bicas Surf forecast

The above surf forecast table for Bicas provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Bicas can be found by selecting the local surf guide option on the grey menu. Our Bicas surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Bicas) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Bicas may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Bicas is 9 km (6 miles) from Sesimbra. If you plan a holiday in Lisboa, look for hotels and other accommodation in Sesimbra. Sesimbra has rooms for a wide range of budgets as well as car hire and transport links.

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