Surf Forecasts:
Cabo de Sines surf forecast from 4 Nov 2026:
- Best quality surf: Friday 13 Nov, 6PM (local time) - 10ft (3.0m), 8s period, WSW swell with onshore winds.
- Most powerful swell: Tuesday 10 Nov, 6AM (local time) - 15ft (4.5m), 12s period, WSW swell with 5,502 kJ wave energy.
- Next surfable swell (1★+): Thursday 5 Nov, 9AM (local time) - 2.5ft (0.7m), 13s period with NW swell.
Best Forecast Surf Conditions for Cabo de Sines this week:
The surf forecast for Cabo de Sines over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Nov 05) at 9AM. The primary swell is predicted to be 0.7m and 13s period with a secondary swell of 0.6m and 11s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Cabo de Sines in the next 16 days are 4.5m 12s and forecast to arrive on Tuesday (Nov 10) at 6AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 5s period and expected on Thursday (Nov 19) at 12AM.
| Wave Type | Time (WET) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9AM (Thu 5th Nov) | 2.5ft (0.7m) 13s |
| Best Surf | 6PM (Fri 13th Nov) | 10ft (3.0m) 8s |
| Most Powerful | 6AM (Tue 10th Nov) | 15ft (4.5m) 12s |
Table - best surf conditions forecast for Cabo de Sines over the next 16 days.
Short Range ForecastMostly dry. Very mild (max 17°C on Wed morning, min 13°C on Thu night). Wind will be generally light. | Days 4-6 Weather SummaryHeavy rain (total 25mm), heaviest during Sun morning. Warm (max 21°C on Sat afternoon, min 17°C on Sat morning). Winds increasing (light winds from the SSW on Sat morning, near gales from the SSE by Sun night). | ||||||||||||||||||||
Wednesday 4 | Thursday 5 | Friday 6 | Saturday 7 | Sunday 8 | Monday 9 | Tuesday 10 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | WNW 13 | WNW 12 | NW 15 | NW 13 | NW 12 | WNW 12 | WNW 12 | NW 11 | NW 11 | NW 10 | NW 10 | SSW 6 | SW 8 | SW 8 | SSW 8 | SW 10 | SW 10 | SW 11 | WSW 12 | WSW 11 | WSW 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 139 | 86 | 106 | 183 | 341 | 251 | 174 | 97 | 56 | 36 | 25 | 60 | 692 | 448 | 605 | 2317 | 3278 | 5201 | 4888 | 2982 | 1906 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-on | cross-on | glassy | cross-on | glassy | cross-off | cross | cross-off | cross-off | on | cross | cross-on | cross-on | cross | cross-on | on | on | cross-on | cross-on | cross-on |
High Tide | 10:47AM3.00m | 11:29PM2.88m | 11:43AM3.12m | 00:15AM3.04m | 12:30PM3.21m | 00:55AM3.17m | 1:10PM3.25m | 1:31AM3.26m | 1:47PM3.24m | 2:05AM3.30m | 2:22PM3.19m | 2:38AM3.30m | 2:55PM3.11m | ||||||||
Low Tide | 5:16PM0.97m | 5:31AM1.09m | 6:03PM0.86m | 6:18AM0.94m | 6:43PM0.78m | 6:59AM0.83m | 7:17PM0.74m | 7:35AM0.77m | 7:49PM0.74m | 8:10AM0.75m | 8:20PM0.78m | 8:43AM0.78m | 8:50PM0.84m | ||||||||
 | |  |  | |  |  | | | | |  |  | |  |  | |  |  | | | |
 | 7:03 | — | — | 7:03 | — | — | 7:05 | — | — | 7:05 | — | — | 7:07 | — | — | 7:07 | — | — | 7:09 | — | — |
 | — | 5:34 | — | — | 5:32 | — | — | 5:31 | — | — | 5:30 | — | — | 5:30 | — | — | 5:29 | — | — | 5:28 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 1 | 6 | 6 | 3 | 4 | 7 | 2 | 3 |
Temp °C | 17 | 17 | 16 | 17 | 17 | 16 | 17 | 17 | 17 | 20 | 21 | 19 | 20 | 20 | 20 | 20 | 19 | 19 | 20 | 20 | 19 |
Feels °C | 16 | 14 | 13 | 15 | 15 | 16 | 15 | 15 | 16 | 18 | 19 | 17 | 16 | 17 | 16 | 13 | 12 | 15 | 14 | 17 | 16 |
Swell 1 Height (m) Direction Period (s) | WNW 13 | WNW 12 | W 12 | NW 13 | NW 12 | WNW 12 | WNW 12 | NW 11 | NW 11 | WSW 6 | NW 10 | NW 11 | WNW 14 | SW 8 | WNW 11 | WNW 11 | WNW 10 | — | WSW 12 | — | WSW 10 |
| kJ | 139 | 86 | 71 | 183 | 341 | 251 | 174 | 97 | 56 | 31 | 25 | 29 | 175 | 448 | 135 | 64 | 43 | — | 4888 | — | 1906 |
Swell 2 Height (m) Direction Period (s) | NW 10 | NW 10 | NW 9 | WNW 11 | S 12 | NNW 6 | S 12 | NW 5 | W 7 | NW 10 | WNW 12 | WNW 13 | — | WNW 11 | — | — | — | — | — | — | W 11 |
| kJ | 49 | 46 | 41 | 97 | 3 | 3 | 3 | 1 | 16 | 36 | 15 | 18 | — | 115 | — | — | — | — | — | — | 62 |
Swell 3 Height (m) Direction Period (s) | SW 6 | SW 5 | NW 15 | NW 7 | S 12 | S 12 | S 11 | S 11 | N 5 | NW 13 | S 10 | S 13 | — | WNW 14 | — | — | — | — | — | — | — |
| kJ | 1 | 1 | 106 | 11 | 3 | 3 | 3 | 2 | 1 | 7 | 2 | 3 | — | 105 | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | NNE 5 | — | S 3 | SSE 3 | WSW 6 | SSW 6 | SW 8 | — | SSW 8 | SW 10 | SW 10 | SW 11 | S 9 | WSW 11 | — |
| kJ | — | — | — | — | — | — | 3 | — | 1 | 1 | 22 | 60 | 692 | — | 605 | 2317 | 3278 | 5201 | 463 | 2982 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 92 | 19 | 0 | 19 | 0 | 0 | 40 | 0 | 0 | 19 | 67 | 19 | 19 | 374 | 362 | 595 | 474 | 474 | 474 | 19 |
Best forecast wave conditions in Portugal - Alentejo | |||||||||||||||||||||
Best forecast wave conditions in Portugal | |||||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Cabo de Sines surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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 16 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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