Surf Forecasts:
Cogumelo surf forecast from 29 Jul 2026:
- Best quality surf: Thursday 30 Jul, 7AM (local time) - 1.5ft (0.4m), 10s period, WNW swell with cross-offshore winds.
- Most powerful swell: Thursday 30 Jul, 4PM (local time) - 3.5ft (1.0m), 9s period, NW swell with 163 kJ wave energy.
- Next surfable swell (1★+): Thursday 30 Jul, 7AM (local time) - 1.5ft (0.4m), 10s period with WNW 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 Thursday (Jul 30) at 7AM. The primary swell is predicted to be 0.4m and 10s period with a secondary swell of 0.7m and 5s. 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 1.0m 9s and forecast to arrive on Thursday (Jul 30) at 4PM. 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 6s period and expected on Saturday (Aug 01) at 4AM.
| Wave Type | Time (WEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7AM (Thu 30th Jul) | 1.5ft (0.4m) 10s |
| Best Surf | 7AM (Thu 30th Jul) | 1.5ft (0.4m) 10s |
| Most Powerful | 4PM (Thu 30th Jul) | 3.5ft (1.0m) 9s |
Table - best surf conditions forecast for Cogumelo over the next 16 days.
The Lowdown
Rusty here. Let’s get into it.
The only place we’re looking at is Cogumelo. The water temperature is 66°, which is about 3° colder than the usual for this time of year – that’s notable. For the first stretch, it’s a tough watch. Tiny swell, messy wind, and weak energy. A lot of days with nothing to recommend.
Wednesday the 29th gives you a small window. Morning glass at Cogumelo, with a 2ft NW swell and a 9-second period. The combined energy is moderate at 101. The conditions are glassy, so the waves are surfable, but just barely. That’s your one chance for the day – the afternoon turns cross-on and choppy.
Thursday the 30th is a complete washout. Small, messy, windy. Friday the 31st has a clean morning: 3ft from the NNW but with a short 5-second period, so the waves will be weak. Combined energy is a low 51. The cross-off wind keeps it tidy, but the waves have no punch.
From Saturday the 1st all the way through Wednesday the 13th of August, the story is the same – poor surf. Cross-on wind, chop, and small swell. Even when the swell builds around Sunday the 9th to 5ft to 7ft from the NW and combined energy jumps to 357 to 392, the wind is cross-on or cross, lumping it all up. It’s more of a kite-surfing arena than a clean paddle break.
By the 12th of August morning, there’s a 3ft NW swell with an 8-second period and the combined energy at 133, with a gentler cross-shore. It’s the least ugly of the bunch, but it’s still not a standout.
Your best shot is Wednesday the 29th morning glass. After that, you’re mostly waiting on wind to play nice, and it just doesn’t.
Rusty.
Short Range ForecastMostly dry. Warm (max 28°C on Fri morning, min 16°C on Wed night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 32°C on Sat morning, min 18°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Wednesday 29 | Thursday 30 | Friday 31 | Saturday 1 | Sunday 2 | Monday 3 | Tuesday 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 10 | WNW 10 | NW 9 | NNW 6 | NNW 5 | NW 5 | NNW 6 | W 9 | W 9 | NNW 6 | W 9 | W 9 | W 10 | W 9 | W 9 | WNW 8 | WNW 7 | WNW 8 | WNW 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 65 | 64 | 74 | 37 | 163 | 105 | 33 | 38 | 120 | 79 | 76 | 81 | 56 | 54 | 68 | 43 | 42 | 54 | 54 | 113 | 150 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-on | cross-on | cross | cross-on | cross-on | cross-off | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross |
High Tide | 3:28PM2.72m | 3:47AM2.51m | 4:01PM2.80m | 4:19AM2.56m | 4:33PM2.84m | 4:52AM2.57m | 5:05PM2.83m | 5:25AM2.56m | 5:38PM2.77m | 6:00AM2.52m | 6:15PM2.68m | 6:40AM2.45m | 6:56PM2.55m | ||||||||
Low Tide | 9:41PM0.34m | 9:44AM0.36m | 10:13PM0.28m | 10:16AM0.31m | 10:45PM0.25m | 10:48AM0.30m | 11:17PM0.25m | 11:22AM0.34m | 11:51PM0.30m | 11:58AM0.40m | 00:27AM0.38m | 12:39PM0.50m | 1:10AM0.49m | ||||||||
 | |  | |  | | | | | | | | | |  | | | | | | | |
 | 6:35 | — | — | 6:35 | — | — | 6:37 | — | — | 6:37 | — | — | 6:39 | — | — | 6:39 | — | — | 6:39 | — | — |
 | — | 8:46 | — | — | 8:45 | — | — | 8:45 | — | — | 8:44 | — | — | 8:43 | — | — | 8:42 | — | — | 8:40 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 23 | 22 | 18 | 25 | 23 | 18 | 28 | 25 | 21 | 32 | 29 | 20 | 26 | 25 | 19 | 24 | 24 | 21 | 23 | 22 | 19 |
Feels °C | 24 | 21 | 19 | 23 | 21 | 17 | 25 | 22 | 21 | 28 | 26 | 20 | 23 | 22 | 19 | 23 | 24 | 24 | 23 | 21 | 18 |
Swell 1 Height (m) Direction Period (s) | NW 9 | NW 9 | NW 10 | NW 4 | WNW 10 | WNW 9 | WNW 9 | WNW 9 | W 10 | W 9 | W 9 | W 9 | W 9 | W 9 | W 10 | W 9 | W 9 | WNW 8 | WNW 7 | WNW 8 | WNW 11 |
| kJ | 65 | 64 | 74 | 16 | 37 | 17 | 15 | 16 | 68 | 79 | 76 | 57 | 56 | 54 | 68 | 43 | 42 | 54 | 54 | 113 | 13 |
Swell 2 Height (m) Direction Period (s) | NW 4 | WNW 11 | WNW 10 | WNW 10 | — | — | NNW 8 | WNW 11 | N 10 | NW 9 | NNW 10 | NNW 9 | NNW 8 | NNW 8 | N 8 | N 7 | N 7 | N 7 | WNW 9 | N 8 | S 12 |
| kJ | 13 | 23 | 39 | 37 | — | — | 6 | 13 | 2 | 3 | 9 | 8 | 6 | 6 | 5 | 1 | 1 | 1 | 43 | 1 | 3 |
Swell 3 Height (m) Direction Period (s) | WNW 11 | WNW 8 | — | NW 8 | — | — | W 12 | — | — | N 11 | — | — | — | — | S 15 | NW 6 | S 13 | S 13 | N 8 | S 13 | N 9 |
| kJ | 23 | 6 | — | 17 | — | — | 3 | — | — | 2 | — | — | — | — | 4 | 1 | 4 | 3 | 1 | 3 | 2 |
Wind waves Height (m) Direction Period (s) | — | NW 4 | NW 5 | — | NW 9 | NNW 6 | NNW 5 | NW 5 | NNW 6 | NNW 6 | NW 5 | NNW 6 | NW 5 | NW 4 | NW 5 | NW 4 | NW 5 | NW 3 | — | — | WNW 8 |
| kJ | — | 9 | 49 | — | 163 | 105 | 33 | 38 | 120 | 46 | 43 | 81 | 23 | 19 | 35 | 2 | 4 | 3 | — | — | 150 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 754 | 29 | 29 | 754 | 407 | 0 | 841 | 9 | 9 | 547 | 95 | 25 | 547 | 9 | 122 | 547 | 122 | 73 | 73 | 9 |
Best forecast wave conditions in Portugal - Alentejo | |||||||||||||||||||||
Best forecast wave conditions in Portugal | |||||||||||||||||||||
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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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