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Surf Forecasts:
Bicas surfForecast / Lisboa / Portugal
48hr Weather and Surf, issued 12 pm 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
17.1° C
(Which is normal for this time of year)How big are the waves at Bicas today?
The current surf forecast for Bicas at 5PM is: 1.7m 11s primary swell from a Northwest direction and 0.1m 12s secondary swell from a South direction (forecast issued at 12:00pm May 15). The wind direction is predicted to be onshore.
| Time (WEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 May) | 5ft (1.6m) | 8s |
| Afternoon (15 May) | 5.5ft (1.7m) | 11s |
| Evening (15 May) | 5.5ft (1.7m) | 10s |
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 Sun night). Winds decreasing (strong winds from the NNW on Fri afternoon, light winds from the N by Sun night). | ||||||||||||||||||||||||
Fri 15 | Saturday 16 | Sunday 17 | Mon 18 | |||||||||||||||||||||
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 | 1 AM | 4 AM | 7 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
NNW 8 | NNW 11 | NW 11 | NW 10 | NNW 10 | NNW 10 | NNW 10 | 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 15 | NW 14 | NW 14 | NW 13 | NW 13 | |
315 | 610 | 664 | 640 | 576 | 501 | 490 | 470 | 353 | 307 | 406 | 330 | 316 | 226 | 221 | 168 | 115 | 112 | 126 | 109 | 169 | 197 | 215 | 249 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | on | cross-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 | cross-on | cross-on | cross-on | |
High Tide | 2:15PM3.37m | 2:35AM3.42m | 2:59PM3.49m | 3:22AM3.45m | 3:43PM3.55m | 4:10AM3.40m | ||||||||||||||||||
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 | — | — | — | — | — | — | — | 6:22 | — |
 | — | — | — | 8:39 | — | — | — | — | — | — | — | 8:40 | — | — | — | — | — | — | — | 8:42 | — | — | — | 8:43 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 15 | 17 | 17 | 16 | 15 | 14 | 14 | 14 | 16 | 18 | 18 | 16 | 14 | 14 | 14 | 14 | 16 | 17 | 17 | 16 | 14 | 14 | 13 | 13 |
8 | 10 | 9 | 9 | 9 | 8 | 9 | 9 | 11 | 12 | 11 | 9 | 8 | 9 | 9 | 10 | 12 | 11 | 11 | 10 | 9 | 9 | 10 | 10 | |
Swell 1 Height (m) Direction Period (s) | NW 11 | 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 14 | NW 14 | NW 13 | NW 13 |
 kJ | 134 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 5 | 4 | 8 | 7 | 17 | 15 | 14 | 40 | 109 | 169 | 197 | 215 | 249 |
Swell 2 Height (m) Direction Period (s) | S 13 | WNW 10 | — | — | — | — | — | — | S 12 | — | — | S 14 | S 14 | — | S 20 | W 8 | NW 17 | NW 16 | WNW 12 | WNW 11 | WNW 11 | NW 10 | NW 10 | S 18 |
| kJ | 3 | 9 | — | — | — | — | — | — | 3 | — | — | 4 | 4 | — | 7 | 1 | 12 | 10 | 13 | 12 | 23 | 26 | 25 | 6 |
Swell 3 Height (m) Direction Period (s) | — | S 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | W 18 | W 8 | W 8 | S 18 | W 8 | S 18 | S 18 | S 18 | — |
| kJ | — | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | 6 | 1 | 1 | 7 | 1 | 6 | 6 | 6 | — |
Wind waves Height (m) Direction Period (s) | NNW 8 | NNW 11 | NW 11 | NW 10 | NNW 10 | NNW 10 | NNW 10 | 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 4 | NW 8 | NW 7 | NW 7 | NW 9 |
| kJ | 315 | 610 | 664 | 640 | 576 | 501 | 490 | 470 | 353 | 307 | 406 | 330 | 316 | 226 | 221 | 168 | 115 | 112 | 126 | 37 | 125 | 104 | 77 | 132 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 175 | 175 | 664 | 643 | 335 | 350 | 157 | 175 | 175 | 161 | 544 | 544 | 478 | 175 | 175 | 277 | 459 | 643 | 643 | 614 | 478 | 27 | 20 | 14 |
Best forecast wave conditions in Lisboa | ||||||||||||||||||||||||
Best forecast wave conditions in Portugal | ||||||||||||||||||||||||
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