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Bicas surfForecast / Lisboa / Portugal
48hr Weather and Surf, issued 12 am Sunday 10 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 6AM is: 3.0m 10s primary swell from a West-southwest direction and 0.4m 12s secondary swell from a North-northwest direction, 0.1m 16s secondary swell from a South direction (forecast issued at 12:00am May 10). The wind direction is predicted to be cross-shore.
| Time (WEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 May) | 10ft (3.0m) | 9s |
| Afternoon (10 May) | 10ft (3.0m) | 9s |
| Evening (10 May) | 10ft (3.0m) | 10s |
Table - waves today at Bicas. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 17mm), heaviest on Sat night. Very mild (max 17°C on Mon afternoon, min 15°C on Sat night). Winds decreasing (fresh winds from the SSW on Sun afternoon, light winds from the S by Mon night). | ||||||||||||||||||||||||
Sunday 10 | Monday 11 | Tuesday 12 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
WSW 9 | WSW 10 | WSW 9 | WSW 9 | WSW 9 | WSW 10 | WSW 10 | WSW 9 | WSW 9 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | NW 12 | NW 11 | NW 11 | SW 7 | NNW 11 | NNW 11 | NNW 10 | SW 6 | SW 6 | SW 6 | WSW 6 | |
1511 | 1623 | 1513 | 1502 | 1449 | 1835 | 1874 | 1651 | 1157 | 738 | 559 | 434 | 302 | 259 | 179 | 172 | 121 | 105 | 76 | 80 | 83 | 80 | 77 | 70 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-off | cross | cross | cross-off | cross-off | cross-off | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-on | cross-on | |
High Tide | 9:51AM2.49m | 10:13PM2.71m | 11:00AM2.61m | 11:17PM2.84m | 11:56AM2.79m | |||||||||||||||||||
Low Tide | 3:29AM1.43m | 3:46PM1.52m | 4:42AM1.33m | 4:59PM1.41m | 5:41AM1.18m | 5:58PM1.22m | ||||||||||||||||||
 | |  |  | |  | | | | | | | | | |  | | |  | | | | | | |
 | — | 6:30 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:36 | — | — | — | — | — | — | — | 8:37 | — | — | — | — | — | — | — | 8:37 | — |
1 | 1 | 3 | — | — | — | 1 | 1 | 1 | 2 | 2 | 1 | — | — | — | — | — | — | 1 | 2 | — | — | — | — | |
Temp °C | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 16 | 16 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 16 | 16 |
9 | 9 | 9 | 8 | 9 | 9 | 10 | 10 | 10 | 11 | 12 | 14 | 13 | 14 | 13 | 15 | 15 | 14 | 14 | 13 | 13 | 15 | 14 | 16 | |
Swell 1 Height (m) Direction Period (s) | NW 12 | NW 12 | NNW 11 | NW 12 | NW 11 | — | NW 12 | NW 12 | NW 12 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 7 | NW 11 | SW 7 | SW 7 | SW 7 | NNW 11 | NNW 10 | NNW 10 | NNW 9 | NNW 9 | WSW 6 |
 kJ | 72 | 69 | 50 | 34 | 31 | — | 72 | 72 | 108 | 738 | 559 | 434 | 302 | 234 | 179 | 143 | 106 | 73 | 76 | 68 | 56 | 35 | 33 | 70 |
Swell 2 Height (m) Direction Period (s) | — | NW 13 | S 16 | S 16 | S 15 | S 15 | S 20 | S 19 | S 19 | NW 11 | NW 12 | NW 12 | NW 12 | NW 12 | SSW 17 | NW 11 | NW 11 | NNW 11 | WNW 7 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | NNW 9 |
| kJ | — | 42 | 5 | 5 | 5 | 4 | 8 | 7 | 7 | 103 | 142 | 209 | 278 | 259 | 30 | 172 | 121 | 105 | 28 | 25 | 25 | 25 | 24 | 27 |
Swell 3 Height (m) Direction Period (s) | — | — | S 16 | — | — | — | S 20 | S 15 | — | SW 19 | SW 19 | SW 18 | SSW 18 | SSW 18 | WNW 9 | SSW 17 | SSW 16 | WNW 8 | SSW 16 | SSW 16 | — | SSW 16 | SSW 16 | SSW 15 |
| kJ | — | — | 5 | — | — | — | 7 | 4 | — | 14 | 14 | 12 | 30 | 30 | 8 | 29 | 26 | 23 | 25 | 25 | — | 24 | 24 | 21 |
Wind waves Height (m) Direction Period (s) | WSW 9 | WSW 10 | WSW 9 | WSW 9 | WSW 9 | WSW 10 | WSW 10 | WSW 9 | WSW 9 | — | — | — | — | — | WSW 7 | — | — | — | SW 6 | WSW 6 | SW 6 | SW 6 | SW 6 | — |
| kJ | 1511 | 1623 | 1513 | 1502 | 1449 | 1835 | 1874 | 1651 | 1157 | — | — | — | — | — | 178 | — | — | — | 51 | 80 | 83 | 80 | 77 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 450 | 474 | 541 | 476 | 541 | 476 | 377 | 377 | 103 | 81 | 81 | 81 | 103 | 103 | 103 | 0 | 0 | 0 | 0 | 102 | 325 | 344 | 27 | 90 |
Best forecast wave conditions in Lisboa | ||||||||||||||||||||||||
Best forecast wave conditions in Portugal | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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