Surf Forecasts:
Rio Grande Jetties surf forecast from 31 Jul 2026:
- Best quality surf: Saturday 1 Aug, 9AM (local time) - 4ft (1.2m), 9s period, E swell with offshore winds.
- Most powerful swell: Tuesday 4 Aug, 6AM (local time) - 3.5ft (1.1m), 11s period, S swell with 286 kJ wave energy.
- Next surfable swell (1★+): Saturday 1 Aug, 9AM (local time) - 4ft (1.2m), 9s period with E swell.
Best Forecast Surf Conditions for Rio Grande Jetties this week:
The surf forecast for Rio Grande Jetties over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Aug 01) at 9AM. The primary swell is predicted to be 1.2m and 9s period with a secondary swell of 0.1m and 10s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Rio Grande Jetties in the next 16 days are 1.1m 11s and forecast to arrive on Tuesday (Aug 04) 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 1.8m 7s period and expected on Friday (Jul 31) at 6PM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9AM (Sat 1st Aug) | 4ft (1.2m) 9s |
| Best Surf | 9AM (Sat 1st Aug) | 4ft (1.2m) 9s |
| Most Powerful | 6AM (Tue 4th Aug) | 3.5ft (1.1m) 11s |
Table - best surf conditions forecast for Rio Grande Jetties over the next 16 days.
Short Range ForecastLight rain (total 8mm), mostly falling on Sat night. Warm (max 21°C on Sat afternoon, min 12°C on Sun morning). Winds decreasing (fresh winds from the NE on Fri afternoon, calm by Sat morning). | Days 5-7 Weather SummaryModerate rain (total 18mm), heaviest on Tue morning. Very mild (max 18°C on Mon night, min 13°C on Tue morning). Wind will be generally light. | |||||||||||||||||||
Fri 31 | Saturday 1 | Sunday 2 | Monday 3 | Tuesday 4 | Wednesday 5 | Thursday 6 | ||||||||||||||
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) | SSE 10 | SSE 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 5 | SSE 12 | SSE 11 | SSE 11 | SSE 10 | SSE 10 | SSE 9 | SSE 9 | ENE 6 | E 7 | E 7 | E 7 |
Wave Graph  | ||||||||||||||||||||
 kJ | 20 | 9 | 235 | 160 | 106 | 57 | 53 | 96 | 29 | 81 | 109 | 76 | 71 | 179 | 92 | 62 | 86 | 65 | 69 | 53 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | off | off | cross | cross-on | cross-on | cross-on | cross-on | cross | off | cross | cross | cross-on | cross-on | cross-on | cross | cross-off | cross | cross |
High Tide | 4:18PM0.30m | 9:47PM0.41m | 9:45AM0.15m | 4:54PM0.28m | 10:22PM0.43m | 3:37AM0.34m | 5:32PM0.26m | 11:00PM0.43m | 4:35AM0.32m | 6:13PM0.23m | 5:41AM0.31m | 6:55PM0.20m | 6:56AM0.31m | 12:26PM0.38m | 7:39PM0.17m | 8:30AM0.32m | 1:13PM0.45m | 8:24PM0.15m | ||
Low Tide | 5:49PM0.29m | 1:10AM0.33m | 7:32AM0.12m | 12:31PM0.10m | 6:19PM0.27m | 7:55AM0.14m | 1:30PM0.09m | 6:55PM0.25m | 8:21AM0.17m | 2:32PM0.09m | 7:35PM0.22m | 3:18AM0.26m | 3:36PM0.10m | 8:19PM0.19m | 4:02AM0.23m | 4:45PM0.10m | 9:08PM0.16m | 4:47AM0.19m | 5:55PM0.10m | 10:06PM0.13m |
 |  |  | |  |  | |  | |  | |  | |  | | |  | |  |  | |
 | — | — | 7:16 | — | — | 7:16 | — | — | 7:16 | — | — | 7:15 | — | — | 7:13 | — | — | 7:13 | — | — |
 | 5:51 | — | — | 5:51 | — | — | 5:52 | — | — | 5:52 | — | — | 5:52 | — | — | 5:53 | — | — | 5:54 | — |
mm | — | — | — | — | 8 | — | — | — | — | 1 | 8 | 8 | — | — | — | — | 1 | — | 2 | 2 |
Temp °C | 18 | 17 | 20 | 21 | 15 | 13 | 14 | 16 | 17 | 17 | 18 | 14 | 14 | 14 | 15 | 16 | 16 | 18 | 21 | 20 |
Feels °C | 13 | 13 | 22 | 22 | 14 | 11 | 13 | 14 | 15 | 17 | 19 | 11 | 11 | 13 | 12 | 13 | 14 | 17 | 21 | 19 |
Swell 1 Height (m) Direction Period (s) | SSE 10 | SSE 10 | E 9 | E 9 | E 9 | E 9 | E 9 | S 6 | E 8 | E 6 | SSE 11 | SSE 11 | SSE 10 | SSE 10 | SSE 9 | SSE 9 | E 6 | E 7 | E 7 | E 7 |
| kJ | 20 | 9 | 235 | 160 | 106 | 57 | 53 | 9 | 12 | 47 | 109 | 76 | 71 | 179 | 92 | 62 | 50 | 65 | 69 | 53 |
Swell 2 Height (m) Direction Period (s) | — | S 8 | S 10 | S 10 | S 9 | S 9 | S 5 | SE 14 | S 7 | SSE 12 | E 6 | ENE 8 | ENE 7 | ENE 7 | S 11 | SE 9 | SSE 9 | S 7 | S 8 | SE 8 |
| kJ | — | 1 | 2 | 2 | 2 | 2 | 11 | 8 | 8 | 81 | 28 | 19 | 11 | 10 | 2 | 29 | 43 | 8 | 4 | 3 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | S 9 | S 9 | — | SSE 12 | E 13 | E 11 | ESE 11 | SE 10 | S 12 | S 11 | — | S 14 | SSE 8 | SSE 8 | S 10 |
| kJ | — | — | — | — | — | 2 | 2 | — | 15 | 3 | 3 | 11 | 4 | 3 | 9 | — | 4 | 7 | 7 | 2 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 8 | NNE 4 | — | S 4 | S 4 | — | E 9 | E 5 | — | — | S 5 | S 5 | — | E 4 | E 4 | ENE 6 | — | — | W 2 |
| kJ | 257 | 376 | 24 | — | 11 | 9 | — | 96 | 29 | — | — | 34 | 43 | — | 10 | 15 | 86 | — | — | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 598 | 598 | 0 | 0 | 253 | 285 | 249 | 294 | 248 | 9 | 0 | 253 | 285 | 248 | 246 | 338 | 232 | 218 | 9 | 265 |
Best forecast wave conditions in Rio Grande Do Sul | ||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||
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Information about the Rio Grande Jetties Surf forecast
The above surf forecast table for Rio Grande Jetties provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Rio Grande Jetties can be found by selecting the local surf guide option on the grey menu. Our Rio Grande Jetties 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 (Rio Grande Jetties) 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 Rio Grande Jetties 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.
Rio Grande Jetties is 4 km (2 miles) from the city of Rio Grande. If you plan a holiday in Rio Grande Do Sul, look for hotels and other accommodation in Rio Grande. Rio Grande has rooms for a wide range of budgets as well as car hire and transport links.
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