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Cabo de Sines surfForecast / Alentejo / Portugal
48hr Weather and Surf, issued 12 pm Sunday 10 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 8PM is: 3.0m 10s primary swell from a West-southwest direction and 0.5m 13s secondary swell from a Northwest direction, 0.6m 13s secondary swell from a North-northwest direction (forecast issued at 12:00pm May 10). The wind direction is predicted to be onshore.
| Time (WEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 May) | 10ft (3.0m) | 10s |
| Afternoon (10 May) | 10ft (3.0m) | 10s |
| Evening (10 May) | 10ft (3.0m) | 10s |
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 9mm), mostly falling on Sun morning. Very mild (max 17°C on Sun morning, min 15°C on Sun night). Winds decreasing (fresh winds from the SW on Sun afternoon, calm by Tue night). | ||||||||||||||||||||||||
Sun 10 | Monday 11 | Tuesday 12 | Wed 13 | |||||||||||||||||||||
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 | 4 AM | 7 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
WSW 10 | WSW 9 | WSW 10 | WSW 10 | WSW 10 | WSW 9 | WSW 9 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | NNW 12 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 6 | NW 10 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | |
1601 | 1568 | 1847 | 1970 | 1704 | 1284 | 947 | 705 | 499 | 402 | 327 | 247 | 197 | 158 | 124 | 117 | 107 | 76 | 71 | 55 | 66 | 61 | 45 | 43 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | on | on | on | on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | on | on | on | on | cross-on | cross-on | on | on | glassy | |
High Tide | 9:50AM2.45m | 10:11PM2.68m | 11:00AM2.57m | 11:17PM2.81m | 11:57AM2.75m | 00:13AM2.97m | ||||||||||||||||||
Low Tide | 3:46PM1.51m | 4:43AM1.32m | 4:59PM1.39m | 5:41AM1.15m | 5:58PM1.21m | 6:30AM0.97m | ||||||||||||||||||
 |  | |  |  |  | | | | | | |  | | |  | | | | | | | | | |
 | 6:30 | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:26 | — |
 | — | — | — | 8:34 | — | — | — | — | — | — | — | 8:34 | — | — | — | — | — | — | — | 8:35 | — | — | — | 8:36 |
1 | — | — | — | — | 1 | 1 | 1 | 1 | 1 | — | — | — | — | — | 1 | 1 | 1 | — | — | — | — | — | — | |
Temp °C | 16 | 17 | 16 | 16 | 15 | 15 | 15 | 15 | 16 | 17 | 17 | 17 | 15 | 15 | 15 | 15 | 16 | 17 | 17 | 17 | 16 | 15 | 15 | 15 |
10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 12 | 13 | 14 | 12 | 12 | 12 | 13 | 13 | 14 | 15 | 16 | 16 | 15 | 15 | 16 | |
Swell 1 Height (m) Direction Period (s) | NW 11 | NW 11 | NW 13 | NNW 13 | NW 13 | NNW 12 | NNW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NNW 12 | NNW 11 | WSW 7 | WSW 7 | NNW 11 | NNW 10 | NW 10 | NW 9 | NNW 9 | WSW 6 | WSW 6 | WSW 6 | WSW 6 |
 kJ | 33 | 31 | 43 | 68 | 79 | 99 | 94 | 147 | 181 | 287 | 282 | 247 | 160 | 158 | 124 | 75 | 69 | 76 | 71 | 54 | 66 | 61 | 45 | 43 |
Swell 2 Height (m) Direction Period (s) | N 11 | — | — | NNW 13 | S 19 | SW 19 | SW 19 | SW 18 | SW 18 | SW 18 | SW 17 | WNW 9 | SW 17 | NNW 11 | NNW 11 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | NNW 9 | NW 9 | NNW 9 | NNW 9 |
| kJ | 2 | — | — | 67 | 7 | 15 | 14 | 13 | 12 | 12 | 12 | 17 | 11 | 109 | 79 | 25 | 25 | 25 | 24 | 23 | 32 | 20 | 16 | 15 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | S 19 | — | S 14 | SW 18 | — | S 13 | S 13 | SW 17 | W 9 | SSW 16 | SSW 16 | S 12 | — | — | — | SSW 15 | WNW 8 | SSW 14 | SSW 14 | SSW 14 |
| kJ | — | — | — | — | 7 | — | 4 | 13 | — | 4 | 3 | 12 | 2 | 25 | 24 | 3 | — | — | — | 22 | 6 | 21 | 21 | 21 |
Wind waves Height (m) Direction Period (s) | WSW 10 | WSW 9 | WSW 10 | WSW 10 | WSW 10 | WSW 9 | WSW 9 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 7 | WSW 7 | — | — | WSW 7 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | — | — | — | — |
| kJ | 1601 | 1568 | 1847 | 1970 | 1704 | 1284 | 947 | 705 | 499 | 402 | 327 | 228 | 197 | — | — | 117 | 107 | 75 | 63 | 55 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 529 | 595 | 531 | 529 | 321 | 321 | 162 | 19 | 19 | 162 | 162 | 162 | 19 | 19 | 19 | 19 | 101 | 387 | 429 | 19 | 19 | 19 | 8 | 0 |
Best forecast wave conditions in Portugal - Alentejo | ||||||||||||||||||||||||
Best forecast wave conditions in Portugal | ||||||||||||||||||||||||
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