Cabo de Sines surfForecast / Alentejo / Portugal

information circle12 Day Weather and Surf, issued 6 pm Thursday 03 Jul 2025 WEST
Forecast 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
19.1° C
(Which is slightly cooler than normal)


Best Forecast Surf Conditions for Cabo de Sines this week:

The surf forecast for Cabo de Sines over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Jul 04) at 4AM. The primary swell is predicted to be 1.1m and 8s period with a secondary swell of 0.1m and 14s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Cabo de Sines in the next 12 days are 2.5m 9s and forecast to arrive on Sunday (Jul 06) at 7PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.8m 6s period and expected on Saturday (Jul 05) at 7PM.

Wave TypeTime (WEST) & Date Wave Height & Period
Next good surf (1 star+) 4AM (Fri 4th Jul)3.5ft (1.1m) 8s
Best Surf 7AM (Sun 6th Jul)7ft (2.2m) 9s
Most Powerful 7PM (Sun 6th Jul)8ft (2.5m) 9s

Table - best surf conditions forecast for Cabo de Sines over the next 12 days.

Updates in  hr  min  s Forecast update imminent
Thu
03
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tue
15
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.3
NW
1.1
NW
1.1
NW
1
NW
0.9
NW
0.8
NW
1.2
NW
2.1
NW
1.9
NW
2.3
NW
2.1
NW
1.8
NW
1.9
NW
1.8
NW
1.6
NW
1.4
NW
1
NW
0.8
NW
0.8
WNW
0.6
NW
0.5
NW
0.6
WNW
0.5
NW
0.7
NW
0.9
WNW
1
NW
0.7
WNW
0.7
WNW
1.4
NW
0.9
NW
1
NW
0.6
NW
0.8
NW
1.7
NW
1.8
NW
1.6
NW
Period(s) (?)981088710999899999888877106455666588777
Wave
Graph
(?)Metric surfscale
Energy (?)286156226140103952816366448926125095504943883151431079250445775614571545316877815188310336262
Wind
(km/h)
15
WNW
0
WSW
5
SW
15
W
5
WNW
5
W
20
WNW
15
NNW
15
NNW
30
NW
20
NNW
20
NNW
30
NW
15
NNW
0
WNW
15
WSW
15
S
15
SSW
20
SW
5
WSW
10
NW
20
WNW
25
NW
15
WNW
20
WNW
25
NW
25
NW
35
NW
15
NNW
15
N
30
NW
20
N
15
N
30
NW
15
NNW
20
NNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crossglassglasscross-
on
crossglasscrosscross-
off
cross-
off
crosscross-
off
cross-
off
crosscross-
off
glasscross-
on
cross-
on
cross-
on
ononcrosscross-
on
crosscrosscrosscrosscrosscrosscross-
off
cross-
off
crosscross-
off
cross-
off
crosscross-
off
cross-
off
High Tide
/ height (m)
9:50PM
2.67
10:32AM
2.57
10:52PM
2.61
11:33AM
2.62
11:56PM
2.60
12:30PM
2.70
12:53AM
2.65
1:19PM
2.82
1:43AM
2.72
2:03PM
2.94
2:27AM
2.81
2:43PM
3.06
3:07AM
2.90
3:21PM
3.16
3:45AM
2.97
3:58PM
3.25
4:22AM
3.02
4:35PM
3.31
4:59AM
3.05
5:13PM
3.33
5:38AM
3.04
5:53PM
3.32
6:19AM
3.01
Low Tide
/ height (m)
4:15AM
1.35
4:40PM
1.47
5:14AM
1.37
5:46PM
1.43
6:08AM
1.33
6:42PM
1.34
6:57AM
1.27
7:31PM
1.23
7:41AM
1.19
8:14PM
1.10
8:21AM
1.10
8:54PM
0.99
8:59AM
1.01
9:31PM
0.89
9:36AM
0.94
10:08PM
0.82
10:13AM
0.88
10:45PM
0.77
10:50AM
0.86
11:24PM
0.76
11:29AM
0.86
12:04AM
0.78
12:11PM
0.91
Thu
03
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tue
15
Sunrise--6:16--6:18--6:18--6:18--6:20--6:20--6:20--6:22--6:22--6:22--6:24--6:24
Sunset9:00--9:00--9:00--9:00--9:00--9:00--9:00--9:00--8:59--8:59--8:58--8:58--
clearclearclearclearclearclearclearclearclearclearclearclearclearclearclearclearclearclearclearclearpart cloudclearpart cloudcloudclearclearclearclearclearpart cloudclearclearclearclearclearclear
Rain (mm)
------------------------------------
Temp. °C221822211822222023262023231824221821201820191820201819201922222224241919
Feels °C (?)221921211921201721221720191523211820191920181719181515151621191922211617

Short Range Forecast: Mostly dry. Warm (max 23°C on Sun morning, min 17°C on Sat night). Winds increasing (calm on Thu night, fresh winds from the NW by Sat afternoon).

Days 3-6 Weather Summary Mostly dry. Warm (max 26°C on Sun afternoon, min 17°C on Tue night). Winds decreasing (fresh winds from the NNW on Sun afternoon, calm by Tue morning).

Days 6-9 Weather Summary Mostly dry. Warm (max 20°C on Wed afternoon, min 17°C on Wed night). Winds increasing (light winds from the WSW on Wed night, fresh winds from the NW by Fri night).

Long Range Forecast: Mostly dry. Warm (max 24°C on Mon morning, min 16°C on Mon night). Winds decreasing (fresh winds from the NW on Sat afternoon, light winds from the N by Sun night).

  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Cabo de Sines Surf forecast

The above surf forecast table for Cabo de Sines provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Cabo de Sines can be found by selecting the local surf guide option on the grey menu. Our Cabo de Sines surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Cabo de Sines) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Cabo de Sines may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Cabo de Sines is 2 km (1 miles) from Sines. If you plan a holiday in Portugal - Alentejo, look for hotels and other accommodation in Sines. Sines has rooms for a wide range of budgets as well as car hire and transport links.

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