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Surf Forecasts:
Bicas surfForecast / Lisboa / Portugal
48hr Weather and Surf, issued 12 am 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):
- Morning surf: Morning surf (31 May, local time) - 4.5ft (1.3m), 12s period with WNW swell.
- 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 5AM is: 1.7m 12s primary swell from a West-northwest direction and 0.2m 14s secondary swell from a South-southwest direction, 1.3m 6s secondary swell from a North-northwest direction (forecast issued at 12:00am May 31). The wind direction is predicted to be cross-onshore.
| Time (WEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 May) | 4.5ft (1.3m) | 12s |
| 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 Sat night). Winds increasing (light winds from the N on Sat night, strong winds from the NNW by Tue afternoon). | ||||||||||||||||||||||||
Sunday 31 | Monday 1 | Tuesday 2 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | 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 | NW 9 | NW 6 | WNW 11 | |
802 | 748 | 478 | 478 | 478 | 462 | 446 | 370 | 363 | 356 | 303 | 292 | 236 | 170 | 167 | 163 | 128 | 128 | 118 | 86 | 84 | 294 | 107 | 167 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | on | on | on | cross-on | on | cross-on | cross-on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | cross-on | |
High Tide | 3:16AM2.99m | 3:31PM3.17m | 3:51AM2.96m | 4:05PM3.16m | 4:26AM2.91m | 4:39PM3.13m | ||||||||||||||||||
Low Tide | 9:16AM1.00m | 9:44PM0.96m | 9:48AM1.03m | 10:18PM0.97m | 10:20AM1.06m | |||||||||||||||||||
 | |  | | | | | | | | | | | | | | |  |  | | | | | | |
 | — | 6:15 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:52 | — | — | — | — | — | — | — | 8:53 | — | — | — | — | — | — | — | 8:54 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 16 | 16 | 15 | 20 | 24 | 25 | 22 | 19 | 17 | 17 | 17 | 19 | 22 | 21 | 20 | 18 | 17 | 17 | 18 | 18 | 19 | 19 | 17 | 15 |
12 | 13 | 12 | 17 | 18 | 19 | 16 | 16 | 14 | 15 | 14 | 15 | 17 | 15 | 16 | 15 | 14 | 14 | 15 | 15 | 13 | 12 | 10 | 9 | |
Swell 1 Height (m) Direction Period (s) | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | 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 9 | WNW 11 |
 kJ | 802 | 748 | 478 | 478 | 478 | 462 | 446 | 370 | 363 | 356 | 303 | 292 | 236 | 170 | 167 | 163 | 128 | 128 | 118 | 86 | 84 | 50 | 66 | 167 |
Swell 2 Height (m) Direction Period (s) | SSW 14 | SSW 14 | SSW 14 | SW 14 | SW 14 | 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 | NW 12 | SW 16 | WNW 11 | S 15 | W 12 | WNW 16 |
| kJ | 20 | 20 | 20 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 3 | 5 | 10 | 6 | 10 | 25 | 5 | 67 | 80 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | S 18 | S 18 | S 18 | S 18 | S 17 | S 16 | S 12 | S 12 | SW 16 | NW 10 | S 16 | S 12 | WNW 16 | SW 15 |
| kJ | — | — | — | — | — | — | — | — | — | — | 6 | 6 | 6 | 6 | 5 | 5 | 3 | 3 | 10 | 4 | 5 | 3 | 26 | 8 |
Wind waves Height (m) Direction Period (s) | NNW 6 | NNW 7 | NNW 6 | NW 6 | NW 6 | NW 6 | NNW 6 | NNW 5 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NW 5 | NW 5 | NW 5 | NW 5 | NW 5 | NNW 5 | NW 5 | NW 5 | NW 5 | NW 9 | NW 6 | NW 6 |
| kJ | 140 | 134 | 47 | 38 | 54 | 83 | 84 | 71 | 68 | 55 | 53 | 55 | 57 | 69 | 79 | 60 | 60 | 42 | 32 | 25 | 43 | 294 | 107 | 133 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 27 | 14 | 14 | 62 | 157 | 393 | 204 | 27 | 27 | 27 | 27 | 157 | 175 | 418 | 418 | 350 | 27 | 68 | 27 | 459 | 544 | 704 | 544 | 333 |
Best forecast wave conditions in Lisboa | ||||||||||||||||||||||||
Best forecast wave conditions in Portugal | ||||||||||||||||||||||||
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