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Surf Forecasts:
Bicas surfForecast / Lisboa / Portugal
48hr Weather and Surf, issued 12 am Monday 25 May 2026 WESTForecast 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
17.2° C
(Which is normal for this time of year)How big are the waves at Bicas today?
The current surf forecast for Bicas at 6AM is: 0.8m 9s primary swell from a West-northwest direction and 0.2m 16s secondary swell from a West-northwest direction (forecast issued at 12:00am May 25). The wind direction is predicted to be glassy.
| Time (WEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 May) | 2.5ft (0.8m) | 9s |
| Afternoon (25 May) | 2ft (0.6m) | 14s |
| Evening (25 May) | 3.5ft (1.1m) | 13s |
Table - waves today at Bicas. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 29°C on Tue morning, min 16°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 25 | Tuesday 26 | Wednesday 27 | ||||||||||||||||||||||
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 | |
Swell Height Map |    |    |    | |||||||||||||||||||||
WNW 9 | WNW 9 | WNW 9 | WNW 9 | NW 15 | NW 14 | NW 14 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | NW 12 | NW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | NW 10 | WNW 10 | |
116 | 92 | 92 | 90 | 107 | 206 | 268 | 465 | 451 | 451 | 430 | 403 | 397 | 384 | 330 | 325 | 289 | 270 | 207 | 183 | 180 | 173 | 255 | 125 | |
Wind (km/h) | ||||||||||||||||||||||||
on | glassy | glassy | cross-off | cross-on | on | on | on | glassy | cross-off | cross-off | cross-off | glassy | cross-on | on | on | glassy | cross-off | cross-off | glassy | cross-on | on | cross-on | on | |
High Tide | 10:41PM2.92m | 11:27AM2.74m | 11:44PM2.94m | 12:22PM2.83m | 00:38AM2.97m | 1:07PM2.93m | ||||||||||||||||||
Low Tide | 5:16AM1.14m | 5:33PM1.30m | 6:12AM1.10m | 6:29PM1.21m | 6:58AM1.06m | 7:16PM1.12m | ||||||||||||||||||
 | |  | | | | |  |  | |  | | |  | | | | | | | | | | | |
 | — | 6:18 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:49 | — | — | — | — | — | — | — | 8:50 | — | — | — | — | — | — | — | 8:50 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 17 | 16 | 17 | 20 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 24 | 29 | 27 | 26 | 27 | 26 | 24 | 24 | 25 | 26 | 27 | 21 | 21 |
17 | 16 | 18 | 19 | 21 | 19 | 19 | 21 | 22 | 20 | 20 | 21 | 28 | 23 | 23 | 25 | 24 | 22 | 21 | 23 | 23 | 21 | 16 | 17 | |
Swell 1 Height (m) Direction Period (s) | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 10 | NW 14 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | NW 12 | NW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | S 4 | S 4 | WNW 10 |
 kJ | 116 | 92 | 92 | 90 | 78 | 107 | 268 | 465 | 451 | 451 | 430 | 403 | 397 | 384 | 330 | 325 | 289 | 270 | 207 | 183 | 180 | 4 | 2 | 125 |
Swell 2 Height (m) Direction Period (s) | SW 12 | SW 12 | WNW 16 | NW 16 | NW 15 | NW 14 | WNW 10 | S 12 | S 12 | S 12 | S 12 | SW 18 | SW 18 | SW 18 | S 5 | S 5 | S 5 | SSW 5 | SSW 4 | SSW 4 | SSW 4 | SSW 16 | SSW 16 | SSW 16 |
| kJ | 6 | 6 | 26 | 62 | 107 | 206 | 105 | 3 | 3 | 3 | 3 | 12 | 12 | 12 | 5 | 5 | 8 | 7 | 7 | 6 | 6 | 25 | 25 | 24 |
Swell 3 Height (m) Direction Period (s) | — | NW 17 | SW 12 | SW 12 | W 8 | S 12 | S 12 | S 19 | S 19 | S 19 | S 19 | S 12 | S 12 | S 10 | SW 18 | SW 18 | SW 17 | SW 16 | SSW 16 | SSW 16 | SSW 16 | S 11 | NW 13 | S 4 |
| kJ | — | 12 | 6 | 6 | 20 | 3 | 3 | 7 | 7 | 7 | 7 | 3 | 3 | 2 | 12 | 12 | 12 | 10 | 25 | 25 | 25 | 2 | 7 | 2 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | NW 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | WNW 10 | NW 10 | NW 4 |
| kJ | — | — | — | — | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 173 | 255 | 24 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 20 | 0 | 0 | 0 | 81 | 27 | 27 | 20 | 0 | 0 | 0 | 0 | 0 | 27 | 27 | 1 | 0 | 0 | 0 | 0 | 20 | 126 | 126 | 27 |
Best forecast wave conditions in Lisboa | ||||||||||||||||||||||||
Best forecast wave conditions in Portugal | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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