Surf Forecasts:
Cogumelo surf forecast from 29 Aug 2026:
- Best quality surf: Wednesday 2 Sep, 7AM (local time) - 5ft (1.5m), 8s period, NW swell with cross-offshore winds.
- Most powerful swell: Sunday 30 Aug, 10PM (local time) - 6ft (1.9m), 9s period, NW swell with 587 kJ wave energy.
- Next surfable swell (1★+): Wednesday 2 Sep, 7AM (local time) - 5ft (1.5m), 8s period with NW swell.
Best Forecast Surf Conditions for Cogumelo this week:
The surf forecast for Cogumelo over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Sep 02) at 7AM. The primary swell is predicted to be 1.5m and 8s period with a secondary swell of 0.2m and 15s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Cogumelo in the next 16 days are 1.9m 9s and forecast to arrive on Sunday (Aug 30) at 10PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 7s period and expected on Friday (Sep 04) at 4AM.
| Wave Type | Time (WEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7AM (Wed 2nd Sep) | 5ft (1.5m) 8s |
| Best Surf | 7AM (Wed 2nd Sep) | 5ft (1.5m) 8s |
| Most Powerful | 10PM (Sun 30th Aug) | 6ft (1.9m) 9s |
Table - best surf conditions forecast for Cogumelo over the next 16 days.
Short Range ForecastMostly dry. Warm (max 25°C on Mon morning, min 16°C on Sun night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 28°C on Thu morning, min 16°C on Tue night). Wind will be generally light. | ||||||||||||||||||||
Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | |||||||||||||||
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 9 | NW 9 | NW 6 | NW 8 | NW 8 | NW 9 | NW 9 | NW 9 | NW 10 | NW 9 | NW 9 | NW 8 | NW 8 | NW 8 | NW 7 | NW 7 | NW 7 | NW 7 | NW 8 | WNW 8 | NW 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 419 | 287 | 88 | 145 | 224 | 159 | 132 | 430 | 213 | 405 | 486 | 388 | 282 | 201 | 211 | 104 | 89 | 69 | 34 | 45 | 114 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-on | cross | cross | cross-on | cross | cross | cross-on | cross | cross | cross-on | cross | cross | cross-on | cross-off | cross | cross-on | glassy | cross-off | cross-on | glassy |
High Tide | 4:03PM2.96m | 4:23AM2.76m | 4:36PM2.95m | 4:56AM2.75m | 5:10PM2.87m | 5:31AM2.70m | 5:48PM2.73m | 6:11AM2.59m | 6:32PM2.54m | 6:58AM2.44m | 7:27PM2.32m | 7:59AM2.28m | 8:42PM2.13m | ||||||||
Low Tide | 10:14PM0.09m | 10:22AM0.15m | 10:46PM0.10m | 10:56AM0.18m | 11:20PM0.17m | 11:33AM0.27m | 11:57PM0.31m | 12:15PM0.41m | 00:40AM0.49m | 1:06PM0.58m | 1:34AM0.70m | 2:16PM0.76m | 2:50AM0.87m | ||||||||
 | |  | | | | | | |  | | | | | | | | | | | | |
 | 7:01 | — | — | 7:03 | — | — | 7:03 | — | — | 7:03 | — | — | 7:05 | — | — | 7:05 | — | — | 7:07 | — | — |
 | — | 8:08 | — | — | 8:07 | — | — | 8:06 | — | — | 8:05 | — | — | 8:02 | — | — | 8:01 | — | — | 8:00 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 24 | 22 | 19 | 24 | 24 | 22 | 25 | 25 | 20 | 22 | 23 | 20 | 26 | 26 | 22 | 28 | 26 | 22 | 32 | 28 | 26 |
Feels °C | 22 | 19 | 18 | 23 | 22 | 19 | 22 | 22 | 17 | 19 | 20 | 17 | 24 | 23 | 21 | 26 | 25 | 22 | 29 | 26 | 26 |
Swell 1 Height (m) Direction Period (s) | NW 9 | — | NW 8 | NW 8 | W 13 | NW 9 | NW 9 | NW 11 | NW 10 | SW 15 | SW 15 | SSW 14 | NW 8 | SSW 15 | NW 7 | NW 7 | NW 7 | NW 7 | NW 6 | WNW 8 | NW 9 |
| kJ | 419 | — | 82 | 145 | 3 | 159 | 132 | 33 | 213 | 9 | 8 | 21 | 282 | 23 | 211 | 104 | 89 | 69 | 34 | 45 | 114 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | WNW 12 | WNW 11 | SW 16 | SW 16 | — | — | — | SSW 15 | — | SW 14 | SW 14 | SW 14 | NW 8 | NW 8 | NNW 7 | SW 13 |
| kJ | — | — | — | — | — | 14 | 24 | 10 | 10 | — | — | — | 22 | — | 8 | 8 | 8 | 18 | 31 | 18 | 7 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | S 17 | — | — | — | — | — | — | — | — | — | — | SW 14 | NNW 8 | NW 10 | SW 13 |
| kJ | — | — | — | — | — | — | 6 | — | — | — | — | — | — | — | — | — | — | 7 | 7 | 36 | 7 |
Wind waves Height (m) Direction Period (s) | — | NW 9 | NW 6 | NW 5 | NW 8 | NW 6 | NW 6 | NW 9 | NW 6 | NW 9 | NW 9 | NW 8 | — | NW 8 | — | — | — | — | — | — | NW 4 |
| kJ | — | 287 | 88 | 22 | 224 | 126 | 116 | 430 | 201 | 405 | 486 | 388 | — | 201 | — | — | — | — | — | — | 16 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 547 | 9 | 9 | 547 | 85 | 85 | 85 | 85 | 85 | 91 | 9 | 9 | 754 | 0 | 9 | 77 | 0 | 0 | 73 | 0 |
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 Cogumelo 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 Cogumelo Surf forecast
The above surf forecast table for Cogumelo provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Cogumelo can be found by selecting the local surf guide option on the grey menu. Our Cogumelo 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 (Cogumelo) 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 Cogumelo 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.
Cogumelo is 29 km (18 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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