Surf Forecasts:
Praia Olho d'Agua surf forecast from 5 Aug 2026:
- Most powerful swell: Monday 10 Aug, 12AM (local time) - 4.5ft (1.3m), 5s period, ENE swell with 90 kJ wave energy.
Best Forecast Surf Conditions for Praia Olho d'Agua this week:
The most powerful waves expected at Praia Olho d'Agua in the next 16 days are 1.3m 5s and forecast to arrive on Monday (Aug 10) at 12AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 5s period and expected on Wednesday (Aug 05) at 12PM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 12AM (Mon 10th Aug) | 4.5ft (1.3m) 5s |
Table - best surf conditions forecast for Praia Olho d'Agua over the next 16 days.
The Lowdown
Alright, folks, let's be real. The next 16 days at Praia Olho d'Agua are looking pretty bleak. We’ve got a long stretch of nothing good to start, and it doesn’t really get better. The first surf shows up on Wednesday, August 5th, but it’s a bummer. The water’s a touch warmer than normal at 84°F, but that’s the only highlight.
So, here’s the deal. From Wednesday, August 5th, all the way through the second week, it’s just “poor surf conditions.” The wind is a mess – cross, cross-on, cross-off – and it’s always blowing a moderate to fresh breeze, keeping it lumpy and choppy. The swell is tiny, mostly 3 ft to 4 ft, with a short, weak period of 4 to 6 seconds. The combined energy is weak, with values mostly under 100 (between 15 and 90). There’s no power, no shape, no clean windows.
I can’t even point to a real standout. Your best bet might be a quick cleaner spell on the mornings of Thursday, August 13th, and Saturday, August 15th, when the wind turns cross-off from the East. But even then, the swell is still weak and short-period, coming from the ENE or NE. It’s just not worth it.
Yeah, there’s a little bump in energy on Monday, August 17th, with the combined energy hitting 119 in the morning. But the wind is still a fresh cross-shore, and the surf is labeled “poor.” It’s a no-go.
The last few days, from August 18th onward, are a total write-off. The swell either disappears or gets blown out by fresh onshore winds.
So, what’s the verdict? Honestly, stow the board. This is one of those blank runs that’s normal for this area. Don’t sweat it – forecasts can change, but for now, there’s nothing to ride.
Rusty.
Short Range ForecastLight rain (total 7mm), mostly falling on Wed morning. Warm (max 29°C on Wed morning, min 26°C on Wed morning). Mainly fresh winds. | Days 4-6 Weather SummaryMostly dry. Warm (max 27°C on Sat morning, min 25°C on Sat night). Mainly fresh winds. | ||||||||||||||||||||
Wednesday 5 | Thursday 6 | Friday 7 | Saturday 8 | Sunday 9 | Monday 10 | Tuesday 11 | |||||||||||||||
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) | ENE 5 | ENE 6 | NE 4 | ENE 4 | ENE 5 | NE 5 | ENE 5 | ENE 5 | NE 5 | ENE 5 | ENE 5 | NE 5 | ENE 5 | ENE 5 | ENE 5 | NE 5 | NE 5 | NE 5 | NE 4 | NE 5 | NE 4 |
Wave Graph  | |||||||||||||||||||||
 kJ | 90 | 80 | 29 | 35 | 59 | 43 | 64 | 77 | 53 | 67 | 83 | 66 | 80 | 83 | 90 | 62 | 55 | 31 | 34 | 22 | 16 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-off | cross | cross | cross | cross-on | cross-on | cross | cross-on | cross-on |
High Tide | 10:54AM3.88m | 11:18PM3.98m | 11:50AM3.73m | 00:15AM3.92m | 12:55PM3.61m | 1:19AM3.89m | 2:07PM3.59m | 2:29AM3.95m | 3:21PM3.68m | 3:39AM4.10m | 4:29PM3.86m | 4:44AM4.31m | 5:28PM4.07m | ||||||||
Low Tide | 4:57PM0.83m | 5:34AM0.81m | 5:57PM1.00m | 6:42AM0.88m | 7:07PM1.12m | 7:58AM0.84m | 8:23PM1.09m | 9:10AM0.67m | 9:32PM0.93m | 10:13AM0.44m | 10:32PM0.69m | 11:08AM0.19m | 11:25PM0.44m | ||||||||
 |  |  |  | |  |  | | | | |  |  | | | | | | | | | |
 | 6:01 | — | — | 6:01 | — | — | 6:01 | — | — | 6:01 | — | — | 6:01 | — | — | 6:01 | — | — | 6:01 | — | — |
 | — | 6:02 | — | — | 6:02 | — | — | 6:02 | — | — | 6:02 | — | — | 6:01 | — | — | 6:01 | — | — | 6:01 | — |
mm | 3 | — | 1 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 29 | 27 | 27 | 27 | 27 | 27 | 28 | 27 | 27 | 27 | 27 | 26 | 27 | 27 | 26 | 27 | 26 | 26 | 26 | 27 | 26 |
Feels °C | 29 | 26 | 29 | 26 | 26 | 28 | 28 | 26 | 28 | 26 | 25 | 25 | 26 | 25 | 25 | 27 | 25 | 26 | 26 | 29 | 27 |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | ENE 5 | ENE 6 | NE 4 | ENE 4 | ENE 5 | NE 5 | ENE 5 | ENE 5 | NE 5 | ENE 5 | ENE 5 | NE 5 | ENE 5 | ENE 5 | ENE 5 | NE 5 | NE 5 | NE 5 | NE 4 | NE 5 | NE 4 |
| kJ | 90 | 80 | 29 | 35 | 59 | 43 | 64 | 77 | 53 | 67 | 83 | 66 | 80 | 83 | 90 | 62 | 55 | 31 | 34 | 22 | 16 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1309 | 1967 | 1330 | 1309 | 1977 | 2045 | 1327 | 2273 | 2272 | 1328 | 2022 | 2276 | 1328 | 1977 | 1095 | 1967 | 1967 | 1015 | 1432 | 2272 | 1432 |
Best forecast wave conditions in Maranhão | |||||||||||||||||||||
Best forecast wave conditions in Brazil | |||||||||||||||||||||
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Information about the Praia Olho d'Agua Surf forecast
The above surf forecast table for Praia Olho d'Agua provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Praia Olho d'Agua can be found by selecting the local surf guide option on the grey menu. Our Praia Olho d'Agua 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 (Praia Olho d'Agua) 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 Praia Olho d'Agua 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.
Praia Olho d'Agua is 18 km (11 miles) from the city of Sao Jose de Ribamar. If you plan a holiday in Maranhão, look for hotels and other accommodation in Sao Jose de Ribamar. Sao Jose de Ribamar has rooms for a wide range of budgets as well as car hire and transport links.
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