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Surf Forecasts:
Cabo de Sines surfForecast / Alentejo / Portugal
48hr Weather and Surf, issued 6 am Saturday 16 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
17.2° 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 12PM is: 1.5m 9s primary swell from a Northwest direction and 0.1m 12s secondary swell from a South direction (forecast issued at 06:00am May 16). The wind direction is predicted to be cross-offshore.
| Time (WEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 May) | 5.5ft (1.7m) | 9s |
| Afternoon (16 May) | 5.5ft (1.7m) | 9s |
| Evening (16 May) | 6ft (1.9m) | 6s |
Table - waves today at Cabo de Sines. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 18°C on Sat morning, min 13°C on Sun night). Winds decreasing (fresh winds from the NW on Sat afternoon, light winds from the N by Mon night). | ||||||||||||||||||||||||
Saturday 16 | Sunday 17 | Monday 18 | Tue 19 | |||||||||||||||||||||
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 | 1 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
NNW 9 | NNW 9 | NNW 9 | NW 9 | NW 9 | NW 6 | NW 6 | NW 8 | NW 8 | NW 7 | NW 8 | NW 8 | NW 5 | NW 5 | NW 15 | NW 14 | NW 14 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | NW 11 | |
486 | 497 | 450 | 470 | 450 | 348 | 278 | 283 | 255 | 158 | 171 | 169 | 60 | 110 | 176 | 341 | 308 | 503 | 802 | 721 | 724 | 455 | 389 | 369 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross-off | |
High Tide | 2:35AM3.38m | 2:58PM3.48m | 3:21AM3.41m | 3:43PM3.54m | 4:09AM3.37m | 4:29PM3.54m | ||||||||||||||||||
Low Tide | 8:40AM0.56m | 9:05PM0.52m | 9:23AM0.55m | 9:52PM0.49m | 10:08AM0.60m | 10:41PM0.53m | ||||||||||||||||||
 |  | | | | | |  | |  | | | | | | | | | | | |  |  | | |
 | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | 6:22 |
 | — | — | — | — | — | 8:38 | — | — | — | — | — | — | — | 8:39 | — | — | — | — | — | — | — | 8:40 | — | 8:40 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 13 | 13 | 15 | 18 | 18 | 17 | 15 | 14 | 14 | 14 | 15 | 16 | 16 | 15 | 15 | 14 | 13 | 13 | 14 | 15 | 15 | 15 | 15 | 14 |
8 | 8 | 10 | 15 | 12 | 11 | 9 | 9 | 9 | 11 | 11 | 11 | 10 | 8 | 10 | 10 | 9 | 10 | 11 | 11 | 10 | 11 | 11 | 12 | |
Swell 1 Height (m) Direction Period (s) | S 12 | S 12 | S 12 | NW 9 | S 12 | W 16 | W 15 | NW 14 | NW 14 | WNW 13 | WNW 13 | WNW 12 | NW 16 | NW 15 | NW 15 | NW 14 | NW 14 | NW 13 | NW 13 | NW 13 | SW 16 | NW 12 | NW 12 | NW 11 |
 kJ | 3 | 3 | 3 | 357 | 3 | 5 | 4 | 8 | 7 | 17 | 17 | 14 | 41 | 83 | 176 | 341 | 308 | 503 | 802 | 721 | 11 | 455 | 389 | 369 |
Swell 2 Height (m) Direction Period (s) | — | — | — | S 12 | — | — | — | — | — | W 18 | NW 18 | NW 16 | WNW 12 | WNW 11 | NW 11 | NW 10 | NW 10 | SW 18 | SW 18 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 |
| kJ | — | — | — | 3 | — | — | — | — | — | 6 | 12 | 11 | 14 | 12 | 30 | 17 | 25 | 12 | 12 | 12 | 11 | 10 | 10 | 10 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | S 18 | SW 18 | WNW 11 | S 18 | S 18 | SW 18 | — | — | — | W 17 | W 16 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 6 | 13 | 11 | 6 | 6 | 12 | — | — | — | 6 | 5 |
Wind waves Height (m) Direction Period (s) | NNW 9 | NNW 9 | NNW 9 | NW 9 | NW 9 | NW 6 | NW 6 | NW 8 | NW 8 | NW 7 | NW 8 | NW 8 | NW 5 | NW 5 | NW 6 | NW 6 | NW 6 | NW 6 | NW 6 | — | NW 12 | NW 5 | NW 5 | NW 4 |
| kJ | 486 | 497 | 450 | 470 | 450 | 348 | 278 | 283 | 255 | 158 | 171 | 169 | 60 | 110 | 146 | 108 | 108 | 104 | 97 | — | 724 | 42 | 42 | 24 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 113 | 113 | 113 | 113 | 598 | 598 | 472 | 113 | 356 | 8 | 514 | 640 | 683 | 655 | 89 | 89 | 8 | 8 | 8 | 101 | 519 | 373 | 89 | 0 |
Best forecast wave conditions in Portugal - Alentejo | ||||||||||||||||||||||||
Best forecast wave conditions in Portugal | ||||||||||||||||||||||||
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