Surf Forecasts:
Barra do Sai surf forecast from 18 Aug 2026:
- Best quality surf: Wednesday 19 Aug, 12AM (local time) - 4ft (1.2m), 7s period, E swell with cross-offshore winds.
- Most powerful swell: Tuesday 25 Aug, 6AM (local time) - 3ft (0.9m), 15s period, SSE swell with 344 kJ wave energy.
- Next surfable swell (1★+): Tuesday 18 Aug, 3PM (local time) - 4ft (1.2m), 7s period with E swell.
Best Forecast Surf Conditions for Barra do Sai this week:
The surf forecast for Barra do Sai over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Aug 18) at 3PM. The primary swell is predicted to be 1.2m and 7s period with a secondary swell of 0.4m and 10s. Another secondary swell of 0.2m and 10s is also forecast. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Barra do Sai in the next 16 days are 0.9m 15s and forecast to arrive on Tuesday (Aug 25) at 6AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 8s period and expected on Thursday (Aug 20) at 12AM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3PM (Tue 18th Aug) | 4ft (1.2m) 7s |
| Best Surf | 12AM (Wed 19th Aug) | 4ft (1.2m) 7s |
| Most Powerful | 6AM (Tue 25th Aug) | 3ft (0.9m) 15s |
Table - best surf conditions forecast for Barra do Sai over the next 16 days.
Short Range ForecastMostly dry. Warm (max 27°C on Wed afternoon, min 19°C on Tue night). Wind will be generally light. | Days 4-6 Weather SummarySome drizzle, heaviest during Sun night. Warm (max 30°C on Fri afternoon, min 20°C on Fri night). Wind will be generally light. | ||||||||||||||||||||
Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | |||||||||||||||
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) | E 7 | E 7 | E 7 | E 7 | E 7 | E 8 | E 8 | E 8 | E 11 | E 7 | S 11 | S 10 | SSW 5 | S 6 | SSE 5 | SSE 10 | SE 10 | SE 9 | SSE 12 | SSE 11 | SSE 14 |
Wave Graph | |||||||||||||||||||||
113 | 135 | 139 | 121 | 112 | 133 | 110 | 138 | 2 | 77 | 9 | 2 | 40 | 102 | 49 | 39 | 24 | 29 | 78 | 75 | 173 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | cross-off | cross-off | off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on |
High Tide | 7:24PM1.09m | 8:17AM1.06m | 8:29PM1.02m | 10:17AM1.03m | 10:13PM1.00m | 11:59AM1.09m | 11:41PM1.05m | 12:55PM1.17m | 00:36AM1.13m | 1:34PM1.25m | 1:16AM1.23m | 2:06PM1.32m | 1:50AM1.32m | ||||||||
Low Tide | 1:16PM0.59m | 1:46AM0.59m | 2:26PM0.71m | 3:16AM0.62m | 4:25PM0.77m | 5:01AM0.59m | 6:03PM0.73m | 6:13AM0.50m | 6:54PM0.66m | 7:00AM0.40m | 7:30PM0.58m | 7:38AM0.30m | 8:00PM0.52m | ||||||||
5:58 | — | — | 5:58 | — | — | 5:58 | — | — | 5:56 | — | — | 5:56 | — | — | 5:56 | — | — | 5:54 | — | — | |
— | 5:28 | — | — | 5:28 | — | — | 5:29 | — | — | 5:29 | — | — | 5:29 | — | — | 5:29 | — | — | 5:30 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | 3 | 6 |
Temp °C | 25 | 24 | 22 | 26 | 27 | 21 | 26 | 27 | 21 | 27 | 30 | 21 | 22 | 22 | 22 | 21 | 21 | 21 | 22 | 20 | 21 |
Feels °C | 23 | 22 | 22 | 26 | 25 | 22 | 25 | 24 | 21 | 25 | 27 | 20 | 20 | 20 | 21 | 20 | 21 | 22 | 22 | 20 | 22 |
Swell 1 Height (m) Direction Period (s) | E 7 | SSE 10 | E 7 | E 7 | E 7 | E 8 | E 8 | E 8 | E 7 | E 7 | S 11 | ENE 7 | ENE 7 | E 7 | E 7 | SSE 5 | E 6 | E 6 | SSE 12 | SSE 11 | E 6 |
113 | 38 | 139 | 121 | 112 | 133 | 110 | 72 | 109 | 77 | 2 | 121 | 62 | 44 | 32 | 28 | 19 | 29 | 78 | 75 | 33 | |
Swell 2 Height (m) Direction Period (s) | SE 10 | ESE 10 | SSE 9 | E 13 | E 13 | SE 12 | SE 12 | S 8 | E 11 | S 11 | S 11 | S 10 | S 9 | ESE 7 | ESE 7 | E 6 | SE 10 | S 6 | SE 4 | E 7 | SSE 14 |
50 | 10 | 17 | 4 | 3 | 6 | 6 | 6 | 2 | 2 | 9 | 2 | 2 | 10 | 10 | 21 | 24 | 11 | 5 | 15 | 173 | |
Swell 3 Height (m) Direction Period (s) | ESE 10 | — | S 10 | SE 13 | S 9 | S 9 | S 8 | SE 11 | S 8 | SE 11 | — | — | — | S 14 | SSW 8 | SSE 10 | NE 6 | SE 9 | S 6 | E 6 | SSE 14 |
10 | — | 68 | 7 | 15 | 6 | 1 | 5 | 1 | 5 | — | — | — | 4 | 7 | 39 | 11 | 23 | 6 | 1 | 113 | |
Wind waves Height (m) Direction Period (s) | — | E 7 | — | N 3 | NE 4 | ENE 8 | NNW 3 | E 8 | NE 5 | NNW 3 | ENE 7 | N 3 | SSW 5 | S 6 | SSE 5 | — | SSE 5 | ESE 4 | ESE 4 | SE 4 | SSE 5 |
— | 135 | — | 5 | 15 | 232 | 3 | 138 | 49 | 3 | 102 | 6 | 40 | 102 | 49 | — | 20 | 6 | 10 | 9 | 23 | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 442 | 434 | 385 | 44 | 599 | 659 | 548 | 450 | 385 | 41 | 27 | 66 | 66 |
Best forecast wave conditions in Espírito Santo | |||||||||||||||||||||
Best forecast wave conditions in Brazil | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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Information about the Barra do Sai Surf forecast
The above surf forecast table for Barra do Sai provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Barra do Sai can be found by selecting the local surf guide option on the grey menu. Our Barra do Sai 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 (Barra do Sai) 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 Barra do Sai 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.
Barra do Sai is 26 km (16 miles) from the city of Aracruz. If you plan a holiday in Espírito Santo, look for hotels and other accommodation in Aracruz. Aracruz has rooms for a wide range of budgets as well as car hire and transport links.











