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Surf Forecasts:
Bicas surfForecast / Lisboa / Portugal
48hr Weather and Surf, issued 6 pm Sunday 31 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
18.2° C
(Which is normal for this time of year)How big are the waves at Bicas today (31 May):
- Afternoon surf: Afternoon surf (31 May, local time) - 4.5ft (1.3m), 12s period with WNW swell.
- Evening surf: Evening surf (31 May, local time) - 4ft (1.2m), 11s period with WNW swell.
The current surf forecast for Bicas at 9PM is: 1.2m 11s primary swell from a West-northwest direction and 0.1m 13s secondary swell from a Southwest direction, 1.1m 6s secondary swell from a North-northwest direction (forecast issued at 06:00pm May 31). The wind direction is predicted to be cross-onshore.
| Time (WEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 May) | - | - |
| Afternoon (31 May) | 4.5ft (1.3m) | 12s |
| Evening (31 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 25°C on Sun afternoon, min 15°C on Tue night). Mainly strong winds. | ||||||||||||||||||||||||
Sun 31 | Monday 1 | Tuesday 2 | Wed 3 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | NW 5 | NW 9 | NW 6 | WNW 11 | WNW 11 | NW 14 | NW 13 | NW 13 | WNW 13 | |
470 | 446 | 370 | 363 | 356 | 303 | 292 | 236 | 170 | 167 | 163 | 160 | 125 | 118 | 86 | 71 | 328 | 127 | 184 | 206 | 1418 | 1367 | 1723 | 1083 | |
Wind (km/h) | ||||||||||||||||||||||||
on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | |
High Tide | 3:31PM3.17m | 3:51AM2.96m | 4:05PM3.16m | 4:26AM2.91m | 4:39PM3.13m | 5:02AM2.86m | ||||||||||||||||||
Low Tide | 9:44PM0.96m | 9:48AM1.03m | 10:18PM0.97m | 10:20AM1.06m | 10:52PM1.01m | 10:55AM1.12m | ||||||||||||||||||
 | |  | | | | | | | | | |  |  | | | | | | | | | | | |
 | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:13 | — | — | — |
 | — | 8:52 | — | — | — | — | — | — | — | 8:53 | — | — | — | — | — | — | — | 8:54 | — | — | — | — | — | 8:54 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 25 | 22 | 19 | 18 | 17 | 17 | 19 | 22 | 21 | 19 | 17 | 17 | 17 | 17 | 18 | 19 | 19 | 17 | 15 | 15 | 15 | 16 | 19 | 22 |
18 | 16 | 16 | 15 | 14 | 14 | 15 | 17 | 15 | 14 | 13 | 14 | 14 | 14 | 14 | 14 | 13 | 10 | 10 | 10 | 9 | 12 | 14 | 16 | |
Swell 1 Height (m) Direction Period (s) | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | WNW 9 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | SW 15 | SW 15 | WNW 13 | SW 14 |
 kJ | 470 | 446 | 370 | 363 | 356 | 303 | 292 | 236 | 170 | 167 | 163 | 160 | 125 | 118 | 86 | 64 | 50 | 71 | 167 | 206 | 8 | 8 | 1180 | 8 |
Swell 2 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | S 12 | S 16 | SW 16 | SW 16 | SW 16 | WNW 11 | S 15 | WNW 9 | WNW 15 | WNW 14 | S 12 | S 12 | SW 15 | — |
| kJ | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 3 | 5 | 10 | 10 | 10 | 49 | 5 | 47 | 77 | 163 | 3 | 3 | 8 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | S 18 | S 18 | S 18 | S 18 | S 17 | S 16 | S 12 | S 12 | S 12 | W 12 | S 16 | S 12 | WNW 16 | SW 15 | SW 15 | S 12 | — | — | — |
| kJ | — | — | — | — | — | 6 | 6 | 6 | 6 | 5 | 5 | 3 | 3 | 3 | 3 | 5 | 3 | 26 | 8 | 8 | 3 | — | — | — |
Wind waves Height (m) Direction Period (s) | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 5 | NW 6 | NW 5 | NW 5 | NW 5 | NW 5 | NNW 5 | NW 5 | NW 5 | NW 5 | NW 5 | NW 9 | NW 6 | NW 6 | NW 7 | NW 14 | NW 13 | NW 13 | WNW 13 |
| kJ | 93 | 97 | 85 | 75 | 61 | 56 | 64 | 57 | 69 | 66 | 57 | 44 | 36 | 26 | 45 | 71 | 328 | 127 | 184 | 189 | 1418 | 1367 | 1723 | 1083 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 62 | 157 | 389 | 382 | 27 | 27 | 27 | 68 | 157 | 393 | 418 | 418 | 350 | 193 | 27 | 27 | 544 | 949 | 704 | 507 | 415 | 353 | 320 | 175 |
Best forecast wave conditions in Lisboa | ||||||||||||||||||||||||
Best forecast wave conditions in Portugal | ||||||||||||||||||||||||
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