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Surf Forecasts:
Cabo de Sines surfForecast / Alentejo / Portugal
48hr Weather and Surf, issued 6 pm Saturday 18 Apr 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
15.4° C
(Which is slightly cooler than normal)How big are the waves at Cabo de Sines today?
The current surf forecast for Cabo de Sines at 10PM is: 1.4m 11s primary swell from a West-northwest direction and 0.1m 14s secondary swell from a Southwest direction (forecast issued at 06:00pm April 18). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (WEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Apr) | - | - |
| Afternoon (18 Apr) | 5.5ft (1.7m) | 11s |
| Evening (18 Apr) | 4.5ft (1.4m) | 11s |
Table - waves today at Cabo de Sines. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | |||||||||||||||||||||
| 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 | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 13 | 5 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 592 | 571 | 460 | 397 | 397 | 322 | 275 | 260 | 225 | 152 | 143 | 114 | 111 | 77 | 75 | 55 | 55 | 54 | 36 | 31 | 29 | 28 | 74 | 82 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | glass | cross | cross- off | cross- off | cross- on | cross- on | cross- on | cross- on | cross | off | glass | cross- off | cross- off | glass | cross | cross- off | cross- off | cross- off | cross- off | cross- on | on | on |
High Tide / height (m) | 4:02PM 3.54 | 4:23AM 3.49 | 4:43PM 3.51 | 5:07AM 3.36 | 5:27PM 3.41 | 5:55AM 3.15 | ||||||||||||||||||
Low Tide / height (m) | 10:06PM 0.45 | 10:25AM 0.52 | 10:49PM 0.52 | 11:06AM 0.66 | 11:36PM 0.66 | 11:52AM 0.87 | ||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:54 | - | - | - | - | - | - | - | 6:54 | - | - | - | - | - | - | - | 6:52 | - | - |
| Sunset | - | 8:13 | - | - | - | - | - | - | - | 8:14 | - | - | - | - | - | - | - | 8:15 | - | - | - | - | - | - |
 | |  | | |  | |  | | | | |  | | | | | | |  | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 19 | 18 | 17 | 16 | 16 | 15 | 17 | 19 | 19 | 18 | 16 | 15 | 15 | 15 | 18 | 22 | 22 | 20 | 20 | 19 | 19 | 18 | 19 | 21 |
| Feels °C (?) | 16 | 16 | 17 | 15 | 15 | 14 | 16 | 17 | 17 | 16 | 15 | 14 | 14 | 13 | 16 | 21 | 19 | 19 | 19 | 15 | 15 | 13 | 18 | 18 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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