
Surf Forecasts:
Barra de Guaratiba surf forecast from 4 Oct 2026:
- Best quality surf: Sunday 4 Oct, 6AM (local time) - 3.5ft (1.0m), 10s period, S swell with offshore winds.
- Most powerful swell: Sunday 11 Oct, 9AM (local time) - 6ft (1.9m), 10s period, SSE swell with 665 kJ wave energy.
- Next surfable swell (1★+): Sunday 4 Oct, 6AM (local time) - 3.5ft (1.0m), 10s period with S swell.
Best Forecast Surf Conditions for Barra de Guaratiba this week:
The surf forecast for Barra de Guaratiba over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Oct 04) at 6AM. The primary swell is predicted to be 1.0m and 10s period. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Barra de Guaratiba in the next 16 days are 1.9m 10s and forecast to arrive on Sunday (Oct 11) at 9AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 7s period and expected on Sunday (Oct 04) at 9PM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Sun 4th Oct) | 3.5ft (1.0m) 10s |
| Best Surf | 6AM (Sun 4th Oct) | 3.5ft (1.0m) 10s |
| Most Powerful | 9AM (Sun 11th Oct) | 6ft (1.9m) 10s |
Table - best surf conditions forecast for Barra de Guaratiba over the next 16 days.
Short Range ForecastModerate rain (total 17mm), heaviest on Sun night. Warm (max 29°C on Sun afternoon, min 20°C on Mon afternoon). Wind will be generally light. | Days 4-6 Weather SummaryHeavy rain (total 29mm), heaviest during Fri night. Warm (max 26°C on Thu morning, min 22°C on Wed morning). Wind will be generally light. | ||||||||||||||||||||
Sunday 4 | Monday 5 | Tuesday 6 | Wednesday 7 | Thursday 8 | Friday 9 | Saturday 10 | |||||||||||||||
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) | S 12 | S 12 | S 11 | SSE 11 | SSE 11 | SSE 12 | S 12 | S 11 | S 12 | S 11 | S 10 | S 10 | S 10 | SE 8 | S 9 | SSE 9 | SSE 8 | SSE 10 | SSE 9 | SSE 9 | SSE 9 |
Wave Graph | |||||||||||||||||||||
407 | 339 | 257 | 202 | 156 | 208 | 177 | 85 | 134 | 181 | 162 | 156 | 94 | 95 | 57 | 108 | 62 | 56 | 88 | 32 | 222 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | cross-off | on | on | glassy | glassy | cross-on | glassy | glassy | cross | cross-off | off | cross-off | off | cross | on | cross-off | glassy | glassy | off |
High Tide | 12:32PM0.95m | 11:25PM0.69m | 1:03PM1.02m | 11:59PM0.82m | 1:25PM1.05m | 00:28AM0.96m | 1:39PM1.07m | 00:57AM1.07m | 1:49PM1.09m | 1:28AM1.16m | 2:03PM1.10m | 1:59AM1.21m | 2:21PM1.10m | 2:32AM1.23m | |||||||
Low Tide | 5:24PM0.60m | 5:12AM0.24m | 6:15PM0.52m | 6:13AM0.14m | 6:53PM0.43m | 7:00AM0.07m | 7:26PM0.34m | 7:40AM0.03m | 7:57PM0.26m | 8:16AM0.03m | 8:26PM0.20m | 8:49AM0.07m | 8:54PM0.15m | ||||||||
5:31 | — | — | 5:31 | — | — | 5:30 | — | — | 5:28 | — | — | 5:28 | — | — | 5:26 | — | — | 5:26 | — | — | |
— | 5:53 | — | — | 5:53 | — | — | 5:53 | — | — | 5:54 | — | — | 5:54 | — | — | 5:55 | — | — | 5:55 | — | |
mm | — | — | 5 | — | 5 | 3 | — | — | 4 | 1 | 4 | 2 | — | 1 | 3 | — | 4 | 14 | — | 3 | 3 |
Temp °C | 27 | 29 | 26 | 22 | 21 | 21 | 23 | 22 | 21 | 23 | 22 | 22 | 26 | 26 | 23 | 26 | 24 | 22 | 25 | 24 | 23 |
Feels °C | 26 | 29 | 29 | 24 | 23 | 24 | 26 | 24 | 24 | 26 | 24 | 26 | 28 | 27 | 26 | 29 | 27 | 24 | 29 | 26 | 23 |
Swell 1 Height (m) Direction Period (s) | S 12 | S 12 | E 7 | E 7 | SSE 11 | SSE 12 | S 12 | E 7 | S 12 | S 11 | S 10 | S 10 | S 10 | S 9 | SE 7 | SSE 9 | E 8 | E 8 | SSE 9 | E 8 | SSE 9 |
407 | 339 | 111 | 83 | 156 | 208 | 177 | 37 | 134 | 181 | 162 | 156 | 94 | 61 | 54 | 108 | 54 | 46 | 88 | 45 | 222 | |
Swell 2 Height (m) Direction Period (s) | E 6 | SE 10 | S 11 | SSE 11 | E 7 | E 8 | SSW 6 | S 11 | SSW 9 | E 6 | E 7 | E 8 | SSE 8 | SSE 12 | S 9 | E 7 | SSE 8 | SSE 8 | E 8 | SSE 9 | E 8 |
101 | 4 | 257 | 202 | 69 | 40 | 12 | 85 | 94 | 20 | 34 | 30 | 57 | 14 | 57 | 39 | 62 | 42 | 45 | 32 | 45 | |
Swell 3 Height (m) Direction Period (s) | SSW 10 | — | E 12 | — | — | S 13 | E 6 | SSW 6 | E 7 | ESE 7 | ESE 7 | SSE 9 | E 7 | E 12 | E 8 | SE 7 | S 11 | SSE 10 | SSE 7 | SSE 7 | — |
10 | — | 3 | — | — | 89 | 13 | 20 | 25 | 10 | 5 | 26 | 27 | 3 | 18 | 8 | 58 | 56 | 21 | 20 | — | |
Wind waves Height (m) Direction Period (s) | — | E 6 | — | WSW 3 | WSW 3 | SW 4 | — | SE 2 | — | — | SW 3 | WSW 4 | — | SE 8 | E 4 | — | S 3 | SW 3 | — | — | — |
— | 83 | — | 2 | 7 | 3 | — | 1 | — | — | 2 | 8 | — | 95 | 4 | — | 6 | 8 | — | — | — | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 78 | 7 | 0 | 0 | 117 | 0 | 0 | 58 | 0 | 0 | 58 | 0 | 5 | 145 | 0 | 0 | 5 | 0 |
Best forecast wave conditions in Rio de Janeiro | |||||||||||||||||||||
Best forecast wave conditions in Brazil | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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Information about the Barra de Guaratiba Surf forecast
The above surf forecast table for Barra de Guaratiba provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Barra de Guaratiba can be found by selecting the local surf guide option on the grey menu. Our Barra de Guaratiba 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 de Guaratiba) 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 de Guaratiba 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.










