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Cabo de Sines surfForecast / Alentejo / Portugal
48hr Weather and Surf, issued 12 am Wednesday 13 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
16.8° 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 9AM is: 0.8m 6s primary swell from a West-southwest direction and 0.4m 7s secondary swell from a Northwest direction (forecast issued at 12:00am May 13). The wind direction is predicted to be cross-onshore.
| Time (WEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 May) | 2.5ft (0.8m) | 6s |
| Afternoon (13 May) | 2ft (0.6m) | 6s |
| Evening (13 May) | 2ft (0.6m) | 6s |
Table - waves today at Cabo de Sines. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Wed morning. Very mild (max 18°C on Fri morning, min 14°C on Tue night). Winds increasing (calm on Tue night, strong winds from the NW by Fri afternoon). | ||||||||||||||||||||||||
Wednesday 13 | Thursday 14 | Friday 15 | ||||||||||||||||||||||
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 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | W 5 | W 6 | W 6 | NNW 9 | NNW 9 | NW 5 | NW 5 | WNW 11 | NW 7 | NW 8 | NW 8 | NNW 8 | NW 9 | NW 9 | NW 8 | NW 7 | NW 7 | |
82 | 66 | 52 | 37 | 28 | 21 | 25 | 21 | 21 | 21 | 16 | 15 | 31 | 60 | 11 | 286 | 344 | 434 | 618 | 823 | 688 | 693 | 535 | 450 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | glassy | on | on | cross-on | cross-on | cross | cross | cross-off | cross-off | cross-off | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | |
High Tide | 00:13AM2.97m | 12:46PM2.96m | 1:02AM3.14m | 1:31PM3.17m | 1:49AM3.29m | 2:15PM3.35m | ||||||||||||||||||
Low Tide | 6:30AM0.97m | 6:48PM1.00m | 7:15AM0.79m | 7:35PM0.80m | 7:58AM0.65m | 8:20PM0.63m | ||||||||||||||||||
 | |  |  | | | | | | | |  | | | | | | | |  | | | | | |
 | — | 6:26 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:36 | — | — | — | — | — | — | — | 8:37 | — | — | — | — | — | — | — | 8:37 | — |
— | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 15 | 15 | 14 | 16 | 17 | 17 | 17 | 16 | 15 | 14 | 14 | 15 | 16 | 16 | 17 | 14 | 14 | 14 | 14 | 15 | 18 | 18 | 17 | 14 |
14 | 15 | 14 | 15 | 15 | 14 | 15 | 15 | 14 | 12 | 13 | 13 | 12 | 10 | 10 | 8 | 9 | 8 | 8 | 9 | 13 | 11 | 11 | 7 | |
Swell 1 Height (m) Direction Period (s) | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | NW 7 | WSW 6 | W 5 | W 6 | W 6 | W 5 | W 5 | WNW 11 | WNW 11 | WNW 11 | NNW 14 | NW 13 | NNW 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 |
 kJ | 82 | 66 | 52 | 37 | 28 | 11 | 25 | 21 | 21 | 21 | 15 | 9 | 12 | 12 | 11 | 19 | 46 | 65 | 3 | 3 | 3 | 3 | 3 | 3 |
Swell 2 Height (m) Direction Period (s) | NW 9 | NNW 9 | NNW 8 | NW 7 | NW 7 | NNW 8 | NW 7 | NW 7 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | SW 13 | SW 13 | NW 15 | WNW 10 | SW 13 | SW 13 | — | — | — | — | — | — |
| kJ | 19 | 16 | 14 | 14 | 11 | 6 | 11 | 7 | 17 | 16 | 16 | 15 | 7 | 7 | 9 | 10 | 7 | 7 | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | SSW 14 | NW 8 | NW 7 | NNW 8 | NNW 8 | SSW 14 | NNW 9 | NNW 10 | SW 14 | SW 13 | SW 13 | W 11 | — | NW 16 | SW 13 | SW 13 | — | — | — | — | — | — | — | — |
| kJ | 21 | 11 | 8 | 14 | 13 | 20 | 9 | 18 | 7 | 7 | 7 | 2 | — | 10 | 7 | 7 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | WSW 6 | — | — | — | — | — | NW 3 | NW 5 | NW 5 | NW 6 | NW 7 | NW 8 | NW 8 | NNW 8 | NW 9 | NW 9 | NW 8 | NW 7 | NW 7 |
| kJ | — | — | — | — | — | 21 | — | — | — | — | — | 3 | 31 | 60 | 216 | 286 | 344 | 434 | 618 | 823 | 688 | 693 | 535 | 450 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 19 | 19 | 0 | 19 | 19 | 929 | 93 | 90 | 90 | 90 | 52 | 373 | 652 | 941 | 627 | 641 | 514 | 514 | 113 | 627 | 948 | 796 | 683 | 417 |
Best forecast wave conditions in Portugal - Alentejo | ||||||||||||||||||||||||
Best forecast wave conditions in Portugal | ||||||||||||||||||||||||
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