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Surf Forecasts:
Bicas surfForecast / Lisboa / Portugal
48hr Weather and Surf, issued 6 pm Tuesday 12 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
16.9° C
(Which is normal for this time of year)How big are the waves at Bicas today?
The current surf forecast for Bicas at 3AM is: 0.9m 6s primary swell from a West-southwest direction and 0.4m 8s secondary swell from a North-northwest direction (forecast issued at 06:00pm May 12). The wind direction is predicted to be cross-shore.
| Time (WEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 May) | 2.5ft (0.7m) | 6s |
| Afternoon (13 May) | 2ft (0.6m) | 6s |
| Evening (13 May) | 2ft (0.6m) | 5s |
Table - waves today at Bicas. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 2mm), mostly falling on Tue afternoon. Very mild (max 17°C on Wed afternoon, min 14°C on Wed night). Winds increasing (calm on Tue night, fresh winds from the NNW by Fri morning). | ||||||||||||||||||||||||
Tue 12 | Wednesday 13 | Thursday 14 | Fri 15 | |||||||||||||||||||||
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 |  |    |    |    | ||||||||||||||||||||
WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | SW 6 | SW 6 | SW 6 | SSW 14 | WSW 5 | SSW 14 | NNW 9 | NNW 9 | NNW 5 | NW 7 | NW 5 | NW 7 | NNW 8 | NNW 8 | NW 9 | NW 9 | NW 9 | NW 10 | |
93 | 88 | 91 | 75 | 63 | 43 | 33 | 25 | 24 | 20 | 23 | 19 | 18 | 15 | 17 | 63 | 62 | 211 | 278 | 307 | 471 | 599 | 626 | 587 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross | cross | glassy | cross-off | cross | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | |
High Tide | 00:13AM3.01m | 12:46PM2.99m | 1:02AM3.19m | 1:31PM3.20m | 1:49AM3.33m | |||||||||||||||||||
Low Tide | 5:58PM1.22m | 6:31AM0.99m | 6:49PM1.02m | 7:17AM0.82m | 7:36PM0.82m | 8:01AM0.68m | ||||||||||||||||||
 |  |  |  | | | | | | | | | | | | | | | | | |  | | | |
 | — | — | — | — | 6:26 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — | — | 6:24 | — | — | — |
 | — | 8:37 | — | — | — | — | — | — | — | 8:38 | — | — | — | — | — | — | — | 8:39 | — | — | — | — | — | 8:39 |
1 | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 16 | 16 | 16 | 15 | 15 | 15 | 16 | 16 | 17 | 16 | 16 | 15 | 14 | 14 | 15 | 16 | 17 | 15 | 14 | 14 | 14 | 14 | 15 | 16 |
13 | 14 | 15 | 15 | 15 | 16 | 16 | 14 | 14 | 14 | 15 | 14 | 13 | 12 | 11 | 10 | 10 | 8 | 8 | 8 | 7 | 7 | 8 | 9 | |
Swell 1 Height (m) Direction Period (s) | NNW 10 | NNW 9 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | SW 6 | SW 6 | NNW 8 | SW 5 | WSW 5 | W 5 | W 5 | WSW 5 | WSW 5 | WSW 5 | WNW 11 | NNW 14 | NW 14 | NW 13 | SW 13 | SW 13 | S 13 | S 12 |
 kJ | 35 | 33 | 91 | 75 | 63 | 43 | 33 | 25 | 12 | 14 | 23 | 14 | 14 | 9 | 5 | 2 | 12 | 19 | 46 | 85 | 7 | 7 | 3 | 3 |
Swell 2 Height (m) Direction Period (s) | SSW 16 | SSW 16 | NNW 9 | NNW 9 | NW 8 | NW 8 | NNW 8 | NNW 8 | WNW 6 | SSW 14 | NNW 10 | NNW 9 | NNW 9 | NNW 9 | NNW 8 | SW 13 | SW 13 | WNW 10 | W 10 | SW 13 | SW 13 | — | S 13 | — |
| kJ | 25 | 24 | 32 | 29 | 34 | 17 | 13 | 13 | 4 | 20 | 18 | 16 | 16 | 15 | 14 | 7 | 7 | 11 | 2 | 7 | 7 | — | 3 | — |
Swell 3 Height (m) Direction Period (s) | — | — | SSW 15 | SSW 15 | SSW 14 | SSW 14 | NW 7 | WNW 6 | SSW 14 | NNW 7 | SSW 14 | SSW 14 | SSW 13 | SW 13 | SW 13 | W 11 | NW 16 | SW 13 | SW 13 | — | — | — | — | — |
| kJ | — | — | 21 | 21 | 21 | 21 | 7 | 4 | 20 | 5 | 20 | 19 | 18 | 7 | 7 | 2 | 10 | 7 | 7 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 6 | WSW 6 | — | — | — | — | — | — | SW 6 | WNW 6 | — | — | — | NW 3 | NNW 5 | NW 7 | NW 5 | NW 7 | NNW 8 | NNW 8 | NW 9 | NW 9 | NW 9 | NW 10 |
| kJ | 93 | 88 | — | — | — | — | — | — | 24 | 12 | — | — | — | 2 | 17 | 63 | 62 | 211 | 278 | 307 | 471 | 599 | 626 | 587 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 103 | 81 | 47 | 20 | 20 | 0 | 0 | 39 | 940 | 98 | 28 | 28 | 28 | 112 | 546 | 609 | 681 | 594 | 469 | 544 | 664 | 573 | 681 | 745 |
Best forecast wave conditions in Lisboa | ||||||||||||||||||||||||
Best forecast wave conditions in Portugal | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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