
Surf Forecasts:
Porto Covo surf forecast from 17 Sep 2026:
- Best quality surf: Thursday 17 Sep, 1PM (local time) - 7ft (2.1m), 11s period, NW swell with cross-shore winds.
- Most powerful swell: Saturday 19 Sep, 4AM (local time) - 6.5ft (2.0m), 14s period, NW swell with 1,626 kJ wave energy.
- Next surfable swell (1★+): Thursday 17 Sep, 1PM (local time) - 7ft (2.1m), 11s period with NW swell.
Best Forecast Surf Conditions for Porto Covo this week:
The surf forecast for Porto Covo over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Sep 17) at 1PM. The primary swell is predicted to be 2.1m and 11s period. The wind is predicted to be cross-shore as the swell arrives.
The most powerful waves expected at Porto Covo in the next 16 days are 2.0m 14s and forecast to arrive on Saturday (Sep 19) at 4AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.2m 11s period and expected on Sunday (Sep 20) at 1PM.
| Wave Type | Time (WEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1PM (Thu 17th Sep) | 7ft (2.1m) 11s |
| Best Surf | 1PM (Thu 17th Sep) | 7ft (2.1m) 11s |
| Most Powerful | 4AM (Sat 19th Sep) | 6.5ft (2.0m) 14s |
Table - best surf conditions forecast for Porto Covo over the next 16 days.
Short Range ForecastMostly dry. Warm (max 29°C on Sat morning, min 16°C on Thu night). Winds decreasing (fresh winds from the NW on Thu afternoon, calm by Fri night). | Days 4-6 Weather SummaryMostly dry. Warm (max 33°C on Sun afternoon, min 19°C on Mon night). Wind will be generally light. | ||||||||||||||||||||
Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | |||||||||||||||
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) | NW 10 | NW 10 | NW 9 | NW 9 | NW 9 | NW 14 | NW 14 | NW 13 | NW 13 | NW 12 | NW 12 | NW 11 | NW 10 | NW 10 | NW 12 | NW 11 | NW 12 | NW 11 | NW 16 | NW 14 | NW 14 |
Wave Graph | |||||||||||||||||||||
1082 | 953 | 901 | 515 | 418 | 1451 | 1330 | 1011 | 734 | 522 | 505 | 431 | 231 | 192 | 409 | 369 | 389 | 209 | 702 | 1031 | 1218 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-on | cross-off | cross | cross-on | glassy | glassy | cross-on | cross | off | glassy | cross-on | cross-off | cross-on | glassy | glassy | on | glassy | glassy | on | glassy |
High Tide | 7:08PM2.06m | 7:31AM2.09m | 8:09PM1.86m | 8:46AM1.94m | 9:49PM1.76m | 10:30AM1.93m | 11:28PM1.83m | 11:51AM2.07m | 00:28AM2.00m | 12:42PM2.27m | 1:10AM2.19m | 1:21PM2.47m | 1:45AM2.39m | ||||||||
Low Tide | 12:52PM0.78m | 1:04AM0.92m | 1:47PM0.98m | 2:03AM1.11m | 3:17PM1.12m | 3:46AM1.19m | 5:10PM1.08m | 5:27AM1.10m | 6:20PM0.91m | 6:27AM0.91m | 7:03PM0.71m | 7:08AM0.71m | 7:37PM0.50m | ||||||||
7:18 | — | — | 7:18 | — | — | 7:18 | — | — | 7:20 | — | — | 7:20 | — | — | 7:22 | — | — | 7:22 | — | — | |
— | 7:40 | — | — | 7:38 | — | — | 7:37 | — | — | 7:36 | — | — | 7:34 | — | — | 7:32 | — | — | 7:30 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 26 | 21 | 25 | 23 | 19 | 29 | 28 | 23 | 31 | 33 | 23 | 31 | 31 | 21 | 30 | 27 | 20 | 27 | 26 | 21 |
Feels °C | 23 | 20 | 17 | 23 | 20 | 20 | 27 | 24 | 24 | 30 | 33 | 22 | 30 | 29 | 21 | 28 | 24 | 21 | 24 | 23 | 20 |
Swell 1 Height (m) Direction Period (s) | NW 10 | S 11 | NW 9 | NW 9 | NW 9 | NW 14 | NW 14 | NW 13 | NW 13 | NW 12 | NW 12 | NW 11 | NW 10 | NW 10 | NW 12 | NW 11 | NW 12 | NW 11 | NW 16 | NW 14 | NW 14 |
1082 | 3 | 901 | 515 | 418 | 1451 | 1330 | 1011 | 734 | 522 | 505 | 431 | 231 | 192 | 409 | 369 | 389 | 209 | 702 | 1031 | 1218 | |
Swell 2 Height (m) Direction Period (s) | — | S 16 | S 16 | NW 16 | NW 15 | S 14 | S 14 | S 13 | S 13 | SE 11 | SSE 11 | S 11 | NNW 14 | NW 13 | SSE 9 | NW 5 | SSE 7 | NW 18 | NW 11 | NW 11 | — |
— | 5 | 5 | 10 | 54 | 4 | 4 | 3 | 3 | 5 | 11 | 9 | 71 | 175 | 8 | 8 | 5 | 154 | 114 | 92 | — | |
Swell 3 Height (m) Direction Period (s) | — | — | — | S 15 | S 14 | S 14 | — | — | S 13 | S 13 | S 13 | S 12 | S 4 | SSE 5 | — | — | — | NW 4 | — | WNW 11 | — |
— | — | — | 4 | 4 | 4 | — | — | 3 | 3 | 3 | 3 | 2 | 2 | — | — | — | 4 | — | 23 | — | |
Wind waves Height (m) Direction Period (s) | — | NW 10 | — | — | — | — | — | — | — | — | — | — | — | — | NW 5 | — | — | — | — | — | — |
— | 953 | — | — | — | — | — | — | — | — | — | — | — | — | 23 | — | — | — | — | — | — | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 7 | 95 | 5 | 7 | 95 | 0 | 0 | 90 | 6 | 0 | 0 | 6 | 0 | 59 | 0 | 0 | 90 | 0 | 0 | 62 | 0 |
Best forecast wave conditions in Portugal - Alentejo | |||||||||||||||||||||
Best forecast wave conditions in Portugal | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)
Information about the Porto Covo Surf forecast
The above surf forecast table for Porto Covo provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Porto Covo can be found by selecting the local surf guide option on the grey menu. Our Porto Covo 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 (Porto Covo) 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 Porto Covo 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.
Porto Covo is 13 km (8 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.










