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Surf Forecasts:
Bicas surfForecast / Lisboa / Portugal
48hr Weather and Surf, issued 6 pm Sunday 17 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 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) & Date | Wave Height | Wave 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 ForecastMostly 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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
NW 8 | NW 15 | NW 14 | NW 14 | NW 13 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | WNW 10 | WNW 10 | WNW 10 | NW 10 | NW 10 | WNW 10 | WNW 15 | WNW 14 | WNW 14 | WNW 13 | WNW 13 | |
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) | ||||||||||||||||||||||||
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 | ||||||||||||||||||
 | |  | | | |  | | |  |  |  | | | | | | | | | | | | | |
 | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:20 | — | — | — |
 | — | 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) | NW 16 | NW 15 | NW 14 | NW 14 | NW 13 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 15 | WNW 14 | WNW 10 | NW 10 | WNW 14 | WNW 14 | WNW 13 | WNW 13 |
 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) | WNW 12 | WNW 11 | WNW 11 | NW 10 | NW 10 | S 18 | SW 18 | SW 18 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SSW 16 | SSW 16 | WNW 15 | SSW 16 | SSW 15 | WNW 16 | WNW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 |
| 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) | S 18 | S 18 | S 18 | S 18 | S 18 | NW 9 | — | — | — | W 17 | — | W 16 | W 16 | W 16 | W 15 | SSW 16 | — | — | WNW 14 | SSW 15 | SW 15 | — | — | — |
| kJ | 7 | 7 | 6 | 6 | 6 | 14 | — | — | — | 6 | — | 5 | 5 | 5 | 4 | 24 | — | — | 37 | 22 | 8 | — | — | — |
Wind waves Height (m) Direction Period (s) | NW 8 | NW 5 | NW 5 | NW 6 | NW 6 | NW 9 | — | — | WNW 4 | WNW 4 | WNW 4 | WNW 4 | — | — | — | — | NW 10 | NW 10 | NNW 3 | N 3 | — | — | — | — |
| kJ | 112 | 47 | 53 | 56 | 60 | 112 | — | — | 10 | 12 | 7 | 9 | — | — | — | — | 225 | 275 | 3 | 1 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
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 | ||||||||||||||||||||||||
Best forecast wave conditions in Portugal | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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