Surf Forecasts:
Rio Grande Jetties surf forecast from 8 Sep 2026:
- Best quality surf: Wednesday 9 Sep, 12AM (local time) - 2.5ft (0.7m), 9s period, SSE swell with glassy winds.
- Most powerful swell: Sunday 13 Sep, 6AM (local time) - 6ft (1.8m), 9s period, SSE swell with 520 kJ wave energy.
- Next surfable swell (1★+): Wednesday 9 Sep, 12AM (local time) - 2.5ft (0.7m), 9s period with SSE 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 Wednesday (Sep 09) at 12AM. The primary swell is predicted to be 0.7m and 9s period with a secondary swell of 0.4m and 11s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Rio Grande Jetties in the next 16 days are 1.8m 9s and forecast to arrive on Sunday (Sep 13) at 6AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 8s period and expected on Friday (Sep 11) at 12PM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12AM (Wed 9th Sep) | 2.5ft (0.7m) 9s |
| Best Surf | 12AM (Wed 9th Sep) | 2.5ft (0.7m) 9s |
| Most Powerful | 6AM (Sun 13th Sep) | 6ft (1.8m) 9s |
Table - best surf conditions forecast for Rio Grande Jetties over the next 16 days.
Short Range ForecastLight rain (total 2mm), mostly falling on Thu night. Very mild (max 16°C on Thu night, min 12°C on Tue night). Wind will be generally light. | Days 4-6 Weather SummaryHeavy rain (total 36mm), heaviest during Fri morning. Very mild (max 14°C on Fri morning, min 10°C on Sat night). Winds decreasing (strong winds from the S on Fri afternoon, light winds from the ESE by Sun night). | ||||||||||||||||||||
Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | |||||||||||||||
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) | SE 9 | SSE 9 | SSE 9 | SE 12 | SE 12 | SSE 16 | SSE 13 | ESE 8 | E 9 | ESE 5 | ESE 6 | SE 7 | SE 7 | S 5 | SSE 8 | SSE 9 | SE 8 | ESE 8 | ESE 8 | SSE 10 | SSE 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 138 | 98 | 75 | 49 | 34 | 142 | 141 | 73 | 73 | 133 | 303 | 277 | 156 | 93 | 328 | 440 | 319 | 171 | 109 | 111 | 111 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-on | glassy | cross-on | on | cross-on | on | on | on | cross-on | cross-on | cross | cross | cross | cross | cross-on | cross-on | on | cross-on | cross-on | cross-on |
High Tide | 5:10PM0.57m | 10:59PM0.30m | 5:43AM0.15m | 1:39PM0.33m | 6:25PM0.55m | 6:51AM0.17m | 1:49PM0.29m | 7:36PM0.52m | 7:54AM0.21m | 2:15PM0.26m | 8:41PM0.50m | 8:52AM0.27m | 2:44PM0.24m | 9:41PM0.46m | 9:45AM0.33m | 3:13PM0.22m | 10:37PM0.42m | 3:28AM0.38m | 3:36PM0.21m | 11:29PM0.39m | |
Low Tide | 9:38PM0.29m | 3:12AM0.09m | 2:04PM0.33m | 10:21PM0.33m | 4:11AM0.08m | 3:32PM0.27m | 11:05PM0.36m | 5:01AM0.09m | 4:35PM0.19m | 11:49PM0.37m | 5:45AM0.11m | 5:31PM0.13m | 00:33AM0.36m | 6:26AM0.14m | 1:05PM0.18m | 6:23PM0.08m | 7:05AM0.18m | 2:22PM0.20m | 7:12PM0.05m | ||
 | |  |  | | |  | |  |  | |  | | | | | |  | | | | |
 | 6:37 | — | — | 6:35 | — | — | 6:33 | — | — | 6:33 | — | — | 6:31 | — | — | 6:30 | — | — | 6:28 | — | — |
 | — | 6:15 | — | — | 6:15 | — | — | 6:16 | — | — | 6:16 | — | — | 6:17 | — | — | 6:17 | — | — | 6:19 | — |
mm | — | — | — | — | — | — | — | — | 2 | 21 | 14 | 1 | — | — | — | — | — | — | — | — | 2 |
Temp °C | 14 | 14 | 13 | 13 | 13 | 14 | 15 | 15 | 16 | 14 | 14 | 12 | 13 | 12 | 11 | 12 | 12 | 13 | 14 | 14 | 13 |
Feels °C | 14 | 12 | 11 | 11 | 10 | 12 | 13 | 13 | 14 | 10 | 8 | 4 | 8 | 6 | 7 | 6 | 6 | 9 | 9 | 9 | 9 |
Swell 1 Height (m) Direction Period (s) | SE 9 | SSE 9 | SSE 9 | SSE 9 | E 7 | E 7 | SSE 13 | SSE 12 | SSE 11 | S 11 | S 10 | E 13 | E 12 | ESE 7 | ENE 8 | E 9 | E 9 | SSE 10 | SSE 10 | SSE 10 | SSE 10 |
| kJ | 138 | 98 | 75 | 49 | 27 | 38 | 70 | 29 | 24 | 35 | 31 | 3 | 3 | 86 | 12 | 25 | 6 | 75 | 75 | 111 | 111 |
Swell 2 Height (m) Direction Period (s) | SE 12 | E 5 | SSE 11 | E 6 | SSE 9 | SSE 16 | SSE 13 | E 15 | E 14 | — | — | E 13 | S 9 | E 13 | — | ENE 9 | ENE 9 | ENE 8 | ENE 9 | SE 7 | SE 7 |
| kJ | 22 | 12 | 50 | 11 | 26 | 142 | 141 | 4 | 4 | — | — | 3 | 14 | 3 | — | 29 | 26 | 14 | 15 | 25 | 12 |
Swell 3 Height (m) Direction Period (s) | E 8 | SE 12 | ENE 5 | SE 12 | SE 12 | SE 8 | SSE 5 | — | — | — | — | — | E 12 | S 13 | — | — | — | — | — | ENE 8 | E 8 |
| kJ | 1 | 22 | 5 | 34 | 34 | 3 | 3 | — | — | — | — | — | 3 | 3 | — | — | — | — | — | 14 | 5 |
Wind waves Height (m) Direction Period (s) | ENE 4 | — | — | — | SSE 2 | — | E 8 | ESE 8 | E 9 | ESE 5 | ESE 6 | SE 7 | SE 7 | S 5 | SSE 8 | SSE 9 | SE 8 | ESE 8 | ESE 8 | E 4 | ENE 5 |
| kJ | 11 | — | — | — | 1 | — | 46 | 73 | 73 | 133 | 303 | 277 | 156 | 93 | 328 | 440 | 319 | 171 | 109 | 17 | 32 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 248 | 0 | 285 | 248 | 248 | 248 | 345 | 248 | 327 | 294 | 619 | 553 | 632 | 294 | 285 | 248 | 248 | 248 | 248 | 218 |
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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