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Cabo de Sines surfForecast / Alentejo / Portugal
48hr Weather and Surf, issued 12 am Tuesday 12 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 7AM is: 1.2m 6s primary swell from a West-southwest direction and 0.7m 11s secondary swell from a North-northwest direction, 0.2m 16s secondary swell from a South-southwest direction (forecast issued at 12:00am May 12). The wind direction is predicted to be onshore.
| Time (WEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 May) | 4ft (1.2m) | 6s |
| Afternoon (12 May) | 3.5ft (1.1m) | 6s |
| Evening (12 May) | 3ft (0.9m) | 6s |
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 4mm), mostly falling on Mon night. Very mild (max 17°C on Tue morning, min 13°C on Wed night). Winds increasing (calm on Tue night, fresh winds from the NW by Thu afternoon). | ||||||||||||||||||||||||
Tuesday 12 | Wednesday 13 | Thursday 14 | ||||||||||||||||||||||
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 7 | WSW 7 | NNW 11 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | NW 7 | NW 7 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | WNW 11 | NW 17 | NW 6 | NW 7 | |
167 | 124 | 113 | 103 | 85 | 82 | 64 | 64 | 64 | 52 | 38 | 29 | 28 | 21 | 12 | 22 | 17 | 16 | 16 | 15 | 12 | 11 | 278 | 352 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | on | on | on | on | on | cross-on | cross-on | glassy | on | cross-on | cross-on | cross | cross | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off | cross-off | |
High Tide | 11:17PM2.81m | 11:57AM2.75m | 00:13AM2.97m | 12:46PM2.96m | 1:02AM3.14m | 1:31PM3.17m | ||||||||||||||||||
Low Tide | 5:41AM1.15m | 5:58PM1.21m | 6:30AM0.97m | 6:48PM1.00m | 7:15AM0.79m | 7:35PM0.80m | ||||||||||||||||||
 |  |  | |  | | | | | | | | | | | | | | | | |  | | | |
 | — | 6:28 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:35 | — | — | — | — | — | — | — | 8:36 | — | — | — | — | — | — | — | 8:37 | — |
— | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 15 | 15 | 15 | 16 | 17 | 17 | 16 | 16 | 15 | 15 | 14 | 16 | 17 | 17 | 16 | 15 | 15 | 14 | 13 | 15 | 16 | 16 | 17 | 14 |
12 | 13 | 13 | 13 | 14 | 14 | 14 | 16 | 15 | 14 | 14 | 16 | 15 | 15 | 13 | 13 | 13 | 12 | 11 | 12 | 12 | 10 | 11 | 8 | |
Swell 1 Height (m) Direction Period (s) | NW 11 | NNW 11 | NNW 11 | NNW 10 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 5 | WNW 6 | WNW 6 | WNW 6 | W 5 | WSW 5 | W 11 | NW 16 | NNW 14 |
 kJ | 126 | 109 | 105 | 72 | 85 | 82 | 64 | 64 | 64 | 52 | 38 | 29 | 28 | 21 | 12 | 11 | 11 | 11 | 11 | 9 | 6 | 2 | 9 | 20 |
Swell 2 Height (m) Direction Period (s) | SSW 16 | SSW 16 | SSW 16 | SSW 16 | NNW 10 | NNW 10 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | NNW 8 | NW 7 | NW 7 | NW 7 | NW 7 | NNW 10 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | NNW 8 | SW 13 | W 11 | SW 13 |
| kJ | 25 | 24 | 25 | 25 | 65 | 37 | 33 | 32 | 31 | 16 | 14 | 14 | 11 | 11 | 11 | 18 | 17 | 16 | 16 | 15 | 7 | 7 | 2 | 7 |
Swell 3 Height (m) Direction Period (s) | W 9 | — | — | — | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | NW 8 | NW 7 | NNW 8 | NNW 8 | NNW 8 | NNW 9 | SW 14 | SW 5 | SW 5 | WSW 5 | W 11 | WNW 11 | NW 17 | SW 13 | — |
| kJ | 2 | — | — | — | 25 | 24 | 23 | 21 | 21 | 10 | 8 | 14 | 13 | 12 | 9 | 8 | 4 | 4 | 2 | 2 | 12 | 11 | 7 | — |
Wind waves Height (m) Direction Period (s) | WSW 7 | WSW 7 | WSW 6 | WSW 6 | — | — | — | — | — | — | — | — | — | — | WNW 2 | NW 7 | NW 3 | NW 4 | NNW 4 | NW 5 | NW 6 | NW 5 | NW 6 | NW 7 |
| kJ | 167 | 124 | 113 | 103 | — | — | — | — | — | — | — | — | — | — | 1 | 22 | 6 | 6 | 9 | 22 | 39 | 96 | 278 | 352 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 19 | 19 | 19 | 67 | 162 | 162 | 19 | 19 | 19 | 19 | 0 | 19 | 922 | 104 | 681 | 402 | 338 | 52 | 278 | 484 | 948 | 948 | 643 | 424 |
Best forecast wave conditions in Portugal - Alentejo | ||||||||||||||||||||||||
Best forecast wave conditions in Portugal | ||||||||||||||||||||||||
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