Surf Forecasts:
Praia do Gravatá surf forecast from 20 Sep 2026:
- Best quality surf: Wednesday 23 Sep, 3PM (local time) - 8ft (2.5m), 16s period, SSE swell with glassy winds.
- Most powerful swell: Wednesday 23 Sep, 12PM (local time) - 8ft (2.5m), 16s period, SSE swell with 3,468 kJ wave energy.
- Next surfable swell (1★+): Monday 21 Sep, 9PM (local time) - 4.5ft (1.4m), 9s period with ENE swell.
Best Forecast Surf Conditions for Praia do Gravatá this week:
The surf forecast for Praia do Gravatá over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Sep 21) at 9PM. The primary swell is predicted to be 1.4m and 9s period with a secondary swell of 0.2m and 9s. Another secondary swell of 0.4m and 12s is also forecast. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Praia do Gravatá in the next 16 days are 2.5m 16s and forecast to arrive on Wednesday (Sep 23) at 12PM. Winds are predicted to be cross-onshore at the time the swell arrives.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Mon 21st Sep) | 4.5ft (1.4m) 9s |
| Best Surf | 3PM (Wed 23rd Sep) | 8ft (2.5m) 16s |
| Most Powerful | 12PM (Wed 23rd Sep) | 8ft (2.5m) 16s |
Table - best surf conditions forecast for Praia do Gravatá over the next 16 days.
Short Range ForecastHeavy rain (total 29mm), heaviest during Mon night. Warm (max 24°C on Sun morning, min 13°C on Tue morning). Winds decreasing (fresh winds from the NNE on Sun morning, light winds from the WSW by Tue night). | Days 4-6 Weather SummaryMostly dry. Warm (max 21°C on Fri morning, min 13°C on Wed morning). Winds decreasing (fresh winds from the NE on Thu afternoon, calm by Fri night). | ||||||||||||||||||||
Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | |||||||||||||||
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) | NE 9 | NE 10 | NE 10 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | S 7 | S 9 | SSE 18 | SSE 16 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | SSE 12 | SSE 12 | SSE 11 | SSE 11 | ENE 7 | E 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1503 | 1564 | 1129 | 456 | 333 | 289 | 126 | 239 | 1106 | 1585 | 3299 | 2144 | 1592 | 1144 | 721 | 387 | 265 | 135 | 64 | 40 | 24 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross-off | cross | cross-off | cross | cross | cross-on | cross | cross-off | glassy | cross-off | cross-off | cross | cross-off | cross-off | cross | cross-off | glassy | on | cross-off |
High Tide | 1:48PM0.38m | 11:15PM0.36m | 1:22PM0.41m | 00:38AM0.40m | 1:36PM0.44m | 1:13AM0.44m | 2:05PM0.46m | 1:49AM0.48m | 2:42PM0.48m | 2:30AM0.50m | 3:21PM0.50m | 3:15AM0.52m | 3:55PM0.50m | ||||||||
Low Tide | 4:24PM0.28m | 4:25AM0.19m | 4:55PM0.25m | 5:00AM0.16m | 5:28PM0.23m | 5:39AM0.13m | 6:06PM0.21m | 6:21AM0.11m | 6:45PM0.19m | 7:01AM0.10m | 7:19PM0.18m | 7:36AM0.10m | 7:47PM0.17m | ||||||||
 |  |  | | |  |  |  |  | |  |  | | | | | | | | | | |
 | 6:07 | — | — | 6:05 | — | — | 6:05 | — | — | 6:03 | — | — | 6:01 | — | — | 6:01 | — | — | 6:00 | — | — |
 | — | 6:08 | — | — | 6:09 | — | — | 6:09 | — | — | 6:10 | — | — | 6:10 | — | — | 6:12 | — | — | 6:12 | — |
mm | 1 | 1 | — | 3 | 9 | 15 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 24 | 24 | 21 | 19 | 19 | 20 | 14 | 14 | 14 | 14 | 15 | 15 | 17 | 17 | 17 | 21 | 21 | 19 | 21 | 20 | 19 |
Feels °C | 22 | 23 | 20 | 17 | 18 | 21 | 8 | 9 | 9 | 11 | 13 | 12 | 13 | 12 | 14 | 19 | 19 | 18 | 23 | 21 | 19 |
Swell 1 Height (m) Direction Period (s) | ENE 9 | ENE 10 | ENE 10 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | S 8 | S 11 | SSE 16 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | SSE 12 | SSE 12 | ENE 7 | ENE 7 | ENE 7 | E 7 |
| kJ | 660 | 674 | 518 | 456 | 333 | 289 | 126 | 94 | 612 | 670 | 3299 | 2144 | 1592 | 1144 | 721 | 387 | 265 | 48 | 47 | 37 | 24 |
Swell 2 Height (m) Direction Period (s) | S 12 | S 12 | S 10 | S 10 | S 9 | S 11 | S 11 | E 13 | SSE 12 | SSE 18 | E 9 | E 9 | E 8 | ESE 11 | ENE 5 | ENE 7 | ENE 7 | SSE 11 | SSE 11 | SSE 10 | SSE 10 |
| kJ | 11 | 10 | 8 | 7 | 7 | 10 | 2 | 4 | 208 | 1585 | 106 | 79 | 36 | 24 | 36 | 73 | 60 | 135 | 64 | 40 | 19 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | S 12 | E 14 | E 14 | — | E 8 | E 9 | — | E 12 | ESE 12 | — | E 8 | ESE 10 | ESE 10 | — | E 11 | SE 11 | ESE 10 |
| kJ | — | — | — | — | 3 | 4 | 4 | — | 71 | 106 | — | 44 | 27 | — | 33 | 10 | 10 | — | 2 | 5 | 10 |
Wind waves Height (m) Direction Period (s) | NE 9 | NE 10 | NE 10 | — | — | SSW 4 | S 6 | S 7 | S 9 | — | — | — | ENE 8 | ENE 4 | ENE 5 | — | ENE 7 | ENE 7 | — | — | — |
| kJ | 1503 | 1564 | 1129 | — | — | 19 | 74 | 239 | 1106 | — | — | — | 90 | 30 | 58 | — | 123 | 99 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 140 | 148 | 66 | 1 | 19 | 1 | 33 | 19 | 1 | 0 | 0 | 0 | 14 | 42 | 19 | 0 | 19 | 8 | 0 | 1 | 0 |
Best forecast wave conditions in Santa Catarina - Sul | |||||||||||||||||||||
Best forecast wave conditions in Brazil | |||||||||||||||||||||
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Information about the Praia do Gravatá Surf forecast
The above surf forecast table for Praia do Gravatá provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Praia do Gravatá can be found by selecting the local surf guide option on the grey menu. Our Praia do Gravatá 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 do Gravatá) 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 do Gravatá 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.
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