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Surf Forecasts:
Bicas surfForecast / Lisboa / Portugal
48hr Weather and Surf, issued 12 am Friday 15 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
17.0° C
(Which is normal for this time of year)How big are the waves at Bicas today?
The current surf forecast for Bicas at 9AM is: 1.9m 8s primary swell from a North-northwest direction and 0.1m 13s secondary swell from a South direction, 0.1m 13s secondary swell from a South direction (forecast issued at 12:00am May 15). The wind direction is predicted to be cross-onshore.
| Time (WEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 May) | 6ft (1.9m) | 8s |
| Afternoon (15 May) | 6ft (1.8m) | 10s |
| Evening (15 May) | 6ft (1.8m) | 9s |
Table - waves today at Bicas. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 18°C on Sat morning, min 13°C on Fri night). Winds decreasing (strong winds from the NNW on Fri afternoon, light winds from the NNW by Sat night). | ||||||||||||||||||||||||
Friday 15 | Saturday 16 | Sunday 17 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
NNW 8 | NNW 8 | NNW 8 | NNW 8 | NW 10 | NW 11 | NW 7 | NW 9 | NW 9 | NNW 9 | NNW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 8 | NW 8 | NW 8 | NW 8 | NW 15 | |
334 | 374 | 481 | 493 | 650 | 716 | 349 | 539 | 563 | 480 | 470 | 353 | 345 | 338 | 338 | 323 | 226 | 197 | 148 | 118 | 97 | 98 | 109 | 171 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | cross-on | |
High Tide | 1:49AM3.33m | 2:15PM3.37m | 2:35AM3.42m | 2:59PM3.49m | 3:22AM3.45m | 3:43PM3.55m | ||||||||||||||||||
Low Tide | 8:01AM0.68m | 8:22PM0.66m | 8:44AM0.60m | 9:09PM0.56m | 9:28AM0.59m | 9:56PM0.52m | ||||||||||||||||||
 | |  | | |  | | | | | | | | | | |  |  |  | | | | | | |
 | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:39 | — | — | — | — | — | — | — | 8:40 | — | — | — | — | — | — | — | 8:42 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 14 | 14 | 14 | 15 | 17 | 17 | 16 | 15 | 14 | 14 | 13 | 16 | 18 | 17 | 16 | 14 | 14 | 14 | 15 | 16 | 16 | 16 | 16 | 15 |
8 | 7 | 7 | 7 | 9 | 9 | 9 | 9 | 8 | 9 | 8 | 11 | 12 | 9 | 9 | 9 | 9 | 9 | 12 | 12 | 11 | 11 | 10 | 10 | |
Swell 1 Height (m) Direction Period (s) | NW 13 | NW 13 | SW 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 13 | W 15 | W 15 | NW 14 | NW 13 | WNW 13 | WNW 12 | WNW 12 | NW 16 | NW 15 | NW 15 |
 kJ | 84 | 132 | 7 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 5 | 4 | 8 | 7 | 17 | 15 | 14 | 40 | 79 | 171 |
Swell 2 Height (m) Direction Period (s) | SW 13 | SW 13 | S 13 | S 13 | S 12 | — | — | — | — | — | — | S 12 | — | W 16 | S 14 | S 14 | — | S 20 | W 8 | NW 17 | NW 16 | WNW 12 | WNW 11 | WNW 11 |
| kJ | 7 | 7 | 3 | 3 | 3 | — | — | — | — | — | — | 3 | — | 5 | 4 | 4 | — | 7 | 1 | 12 | 11 | 14 | 12 | 23 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 18 | W 8 | W 8 | S 18 | W 8 | S 18 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 6 | 1 | 1 | 7 | 1 | 6 |
Wind waves Height (m) Direction Period (s) | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NW 10 | NW 11 | NW 7 | NW 9 | NW 9 | NNW 9 | NNW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 |
| kJ | 334 | 374 | 481 | 493 | 650 | 716 | 349 | 539 | 563 | 480 | 470 | 353 | 345 | 338 | 338 | 323 | 226 | 197 | 148 | 118 | 97 | 98 | 109 | 107 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 463 | 463 | 664 | 175 | 643 | 745 | 643 | 328 | 335 | 28 | 157 | 175 | 161 | 544 | 434 | 459 | 175 | 320 | 20 | 334 | 598 | 593 | 598 | 27 |
Best forecast wave conditions in Lisboa | ||||||||||||||||||||||||
Best forecast wave conditions in Portugal | ||||||||||||||||||||||||
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