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Surf Forecasts:
Bicas surfForecast / Lisboa / Portugal
48hr Weather and Surf, issued 6 am Thursday 21 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
16.6° C
(Which is slightly cooler than normal)How big are the waves at Bicas today?
The current surf forecast for Bicas at 10AM is: 1.3m 12s primary swell from a West-northwest direction and 0.2m 14s secondary swell from a South-southwest direction (forecast issued at 06:00am May 21). The wind direction is predicted to be offshore and the swell rating is 3.
| Time (WEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | 4.5ft (1.3m) | 12s |
| Afternoon (21 May) | 4ft (1.2m) | 11s |
| Evening (21 May) | 4ft (1.2m) | 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 Fri morning, min 17°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 21 | Friday 22 | Saturday 23 | Sun 24 | |||||||||||||||||||||
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 | 1 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | |
579 | 500 | 483 | 353 | 340 | 334 | 366 | 359 | 415 | 400 | 469 | 460 | 460 | 460 | 485 | 478 | 407 | 337 | 337 | 337 | 286 | 231 | 218 | 209 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | off | cross-on | on | on | cross-on | cross-off | cross-off | glassy | cross-on | glassy | on | on | cross-on | cross-on | glassy | glassy | cross-off | cross-on | on | on | on | on | |
High Tide | 6:52AM2.95m | 7:11PM3.17m | 7:57AM2.79m | 8:17PM3.04m | 9:09AM2.69m | 9:29PM2.95m | ||||||||||||||||||
Low Tide | 12:47PM1.11m | 1:40AM0.98m | 1:53PM1.26m | 2:53AM1.10m | 3:08PM1.35m | |||||||||||||||||||
 |  |  | | | | | | | | | | | |  |  | | | | |  | | | | |
 | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | 6:18 |
 | — | — | — | — | — | 8:45 | — | — | — | — | — | — | — | 8:45 | — | — | — | — | — | — | — | 8:46 | — | 8:47 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 22 | 21 | 23 | 23 | 25 | 27 | 27 | 25 | 23 | 21 | 23 | 28 | 27 | 26 | 25 | 23 | 22 | 19 | 23 | 24 | 23 | 22 | 20 | 19 |
20 | 19 | 21 | 20 | 21 | 24 | 25 | 23 | 22 | 21 | 22 | 27 | 22 | 22 | 22 | 22 | 22 | 20 | 22 | 21 | 19 | 19 | 18 | 19 | |
Swell 1 Height (m) Direction Period (s) | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 |
 kJ | 579 | 500 | 483 | 353 | 340 | 334 | 366 | 359 | 415 | 400 | 469 | 460 | 460 | 460 | 485 | 478 | 407 | 337 | 337 | 337 | 286 | 231 | 218 | 209 |
Swell 2 Height (m) Direction Period (s) | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | S 7 | S 13 | SSW 13 | SSW 13 | SSW 13 | SSW 14 | SSW 14 | SSE 9 | SSW 14 | S 5 | S 5 | S 5 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 |
| kJ | 19 | 18 | 18 | 18 | 17 | 1 | 13 | 17 | 17 | 17 | 19 | 20 | 9 | 21 | 2 | 2 | 2 | 18 | 17 | 17 | 17 | 17 | 17 | 17 |
Swell 3 Height (m) Direction Period (s) | — | — | W 14 | — | S 16 | SW 13 | SW 16 | S 16 | SW 16 | S 16 | — | SSW 14 | SSW 14 | S 6 | SSW 14 | SSW 14 | SSW 14 | S 4 | — | — | S 10 | S 10 | S 10 | N 9 |
| kJ | — | — | 4 | — | 5 | 7 | 10 | 5 | 10 | 5 | — | 20 | 21 | 3 | 21 | 20 | 20 | 2 | — | — | 2 | 2 | 2 | 2 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | NW 3 | NW 4 | NW 4 | NNW 4 | — | — | — | NW 4 | WNW 4 | NW 5 | NW 5 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 3 | 7 | 11 | — | — | — | 10 | 34 | 33 | 19 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 27 | 0 | 0 | 0 | 0 | 27 | 27 | 20 | 7 | 0 | 0 | 0 | 0 | 0 | 27 | 27 | 20 | 1 | 0 | 0 | 0 | 31 | 28 | 27 |
Best forecast wave conditions in Lisboa | ||||||||||||||||||||||||
Best forecast wave conditions in Portugal | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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