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Cabo de Sines surfForecast / Alentejo / Portugal
48hr Weather and Surf, issued 6 pm Monday 11 May 2026 WESTForecast update in hr min s Forecast update imminent
Cabo de Sines surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Cabo de Sines sea temperature is
16.7° C
(Which is normal for this time of year)How big are the waves at Cabo de Sines today?
The current surf forecast for Cabo de Sines at 10PM is: 1.4m 7s primary swell from a West-southwest direction and 0.8m 11s secondary swell from a North-northwest direction, 0.2m 9s secondary swell from a West-northwest direction (forecast issued at 06:00pm May 11). The wind direction is predicted to be cross-onshore.
| Time (WEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 May) | - | - |
| Afternoon (11 May) | 5.5ft (1.7m) | 8s |
| Evening (11 May) | 4.5ft (1.4m) | 7s |
Table - waves today at Cabo de Sines. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 5mm), mostly falling on Mon afternoon. Very mild (max 17°C on Mon afternoon, min 13°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Mon 11 | Tuesday 12 | Wednesday 13 | Thu 14 | |||||||||||||||||||||
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 8 | NNW 12 | WSW 7 | WSW 7 | WSW 7 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | NW 7 | NNW 10 | W 6 | NNW 9 | NNW 9 | NNW 9 | NW 5 | |
296 | 243 | 196 | 168 | 144 | 132 | 107 | 100 | 85 | 87 | 82 | 68 | 53 | 40 | 29 | 28 | 21 | 20 | 18 | 17 | 16 | 16 | 15 | 29 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | cross-on | on | on | on | on | on | on | on | on | cross-on | cross-on | glassy | glassy | cross-on | cross-on | cross | cross | cross-off | cross-off | cross-off | cross-off | cross | |
High Tide | 11:17PM2.81m | 11:57AM2.75m | 00:13AM2.97m | 12:46PM2.96m | 1:02AM3.14m | |||||||||||||||||||
Low Tide | 4:59PM1.39m | 5:41AM1.15m | 5:58PM1.21m | 6:30AM0.97m | 6:48PM1.00m | 7:15AM0.79m | ||||||||||||||||||
 | |  |  | |  |  | | | | | | | | | | | | | | | | |  | |
 | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — | — | 6:26 | — | — | — |
 | — | 8:34 | — | — | — | — | — | — | — | 8:35 | — | — | — | — | — | — | — | 8:36 | — | — | — | — | — | 8:37 |
1 | 1 | 1 | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 17 | 17 | 15 | 15 | 15 | 14 | 16 | 17 | 17 | 16 | 16 | 15 | 15 | 14 | 16 | 17 | 17 | 16 | 15 | 15 | 14 | 13 | 15 | 17 |
13 | 14 | 11 | 12 | 12 | 11 | 13 | 14 | 14 | 14 | 16 | 15 | 14 | 14 | 16 | 16 | 15 | 13 | 13 | 13 | 12 | 11 | 13 | 14 | |
Swell 1 Height (m) Direction Period (s) | NW 12 | WSW 7 | NNW 11 | NW 11 | NNW 11 | NNW 11 | NNW 10 | NNW 10 | NNW 10 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WNW 6 | W 6 | WNW 6 | WNW 6 | W 5 | NNW 8 |
 kJ | 282 | 214 | 166 | 126 | 109 | 105 | 72 | 65 | 37 | 87 | 82 | 68 | 53 | 40 | 29 | 28 | 21 | 12 | 16 | 16 | 11 | 11 | 9 | 13 |
Swell 2 Height (m) Direction Period (s) | SW 17 | NNW 12 | WNW 9 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | NNW 8 | NW 7 | NW 7 | NW 7 | NW 7 | SW 5 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | W 11 |
| kJ | 12 | 243 | 8 | 25 | 24 | 25 | 25 | 25 | 24 | 35 | 32 | 30 | 16 | 14 | 14 | 12 | 11 | 11 | 7 | 17 | 16 | 16 | 15 | 9 |
Swell 3 Height (m) Direction Period (s) | S 13 | WNW 9 | SW 17 | W 9 | — | — | SSW 16 | SSW 16 | — | SSW 15 | SSW 15 | SSW 14 | NW 8 | NW 7 | NNW 8 | NNW 8 | NNW 8 | SSW 14 | NNW 10 | SW 14 | SW 5 | WSW 5 | W 11 | SW 13 |
| kJ | 3 | 8 | 11 | 2 | — | — | 25 | 25 | — | 23 | 21 | 21 | 10 | 7 | 14 | 7 | 6 | 20 | 18 | 7 | 4 | 2 | 2 | 7 |
Wind waves Height (m) Direction Period (s) | WSW 8 | — | WSW 7 | WSW 7 | WSW 7 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | — | — | — | — | — | — | — | — | WNW 2 | NW 3 | NW 3 | NW 4 | NNW 3 | NW 4 | NW 5 |
| kJ | 296 | — | 196 | 168 | 144 | 132 | 107 | 100 | 85 | — | — | — | — | — | — | — | — | 1 | 3 | 6 | 3 | 4 | 7 | 29 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 321 | 162 | 19 | 19 | 19 | 19 | 67 | 162 | 162 | 19 | 19 | 19 | 9 | 0 | 0 | 104 | 104 | 158 | 90 | 90 | 52 | 13 | 373 | 104 |
Best forecast wave conditions in Portugal - Alentejo | ||||||||||||||||||||||||
Best forecast wave conditions in Portugal | ||||||||||||||||||||||||
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