Surf Forecasts:
Geriba surf forecast from 6 Sep 2026:
- Best quality surf: Monday 7 Sep, 3PM (local time) - 6ft (1.9m), 11s period, S swell with glassy winds.
- Most powerful swell: Monday 7 Sep, 9AM (local time) - 7ft (2.2m), 11s period, S swell with 1,089 kJ wave energy.
- Next surfable swell (1★+): Monday 7 Sep, 3PM (local time) - 6ft (1.9m), 11s period with S swell.
Best Forecast Surf Conditions for Geriba this week:
The surf forecast for Geriba over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Sep 07) at 3PM. The primary swell is predicted to be 1.9m and 11s period with a secondary swell of 0.4m and 8s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Geriba in the next 16 days are 2.2m 11s and forecast to arrive on Monday (Sep 07) at 9AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.9m 7s period and expected on Wednesday (Sep 09) at 6PM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3PM (Mon 7th Sep) | 6ft (1.9m) 11s |
| Best Surf | 3PM (Mon 7th Sep) | 6ft (1.9m) 11s |
| Most Powerful | 9AM (Mon 7th Sep) | 7ft (2.2m) 11s |
Table - best surf conditions forecast for Geriba over the next 16 days.
The Lowdown
Alright, grab your board. It’s Rusty here, and I’ve been staring at the charts for Geriba (Búzios). Let’s get straight into it.
We’ve got a bit of a slow start, but the wait is worth it. The first few days are a write-off with messy, onshore slop, but hang tight – things clean up proper from Monday afternoon onwards.
Monday the 7th afternoon is where it starts to get interesting. The wind goes glassy, and we’ve got a 6ft S swell with a solid 11-second period. The energy is moderate (847), and the conditions are set to be very good. That’s the first real window to get out there, and it’s a beauty for a beginner-friendly wave.
Tuesday the 8th morning keeps the good run going. A clean 5ft S swell with moderate offshore NE wind. The energy is high (927), and the wave shape should be well-defined. This is a classic Geriba morning – consistent, not too big, and peeling nicely.
The standout of the whole run, though, is Sunday the 20th of September. We’re looking at an excellent morning for experienced surfers. A 5ft S swell, but the period is a very long 15 seconds – real groundswell. The energy is massive (1097), and with a light offshore N wind, it’s going to be clean and powerful. The water temperature is about average for this time of year, sitting around 72°, so no surprises there. The only downside? This spot is often crowded, and with conditions this good, expect plenty of company. Because of the long period, Geriba’s beach break might get a bit straight, so look for the peaks.
The following week has some good pulses. Monday the 14th morning has a punchy 6ft SSE swell with 10-second period and gentle offshore NE wind – energy is high (733). Friday the 18th morning also looks very good with a 5ft S swell, 12-second period, and moderate offshore NNE wind. Good, clean, consistent surf.
Towards the end of the run, Sunday the 21st sees a drop in quality with a short-period E windswell coming in, so things get a bit lumpy after that.
If you’re a beginner, the Tuesday morning window is your best bet. For the experienced crew, mark your calendar for the 20th of September. It’s a long way off, so keep an eye on it, but the potential is there for a proper session.
Rusty.
Short Range ForecastHeavy rain (total 25mm), heaviest during Sun night. Warm (max 23°C on Wed morning, min 15°C on Mon afternoon). Wind will be generally light. | Days 5-7 Weather SummaryModerate rain (total 13mm), heaviest on Wed afternoon. Warm (max 27°C on Thu afternoon, min 19°C on Wed afternoon). Winds increasing (calm on Wed afternoon, fresh winds from the NE by Fri night). | |||||||||||||||||||
Sun 6 | Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | ||||||||||||||
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 7 | S 7 | S 11 | S 11 | S 10 | S 11 | S 11 | S 11 | S 10 | E 7 | S 13 | S 12 | S 13 | S 16 | S 14 | S 13 | S 12 | S 12 | S 11 | S 11 |
Wave Graph  | ||||||||||||||||||||
 kJ | 378 | 312 | 1089 | 819 | 615 | 434 | 387 | 319 | 206 | 230 | 125 | 297 | 321 | 714 | 598 | 430 | 251 | 137 | 91 | 58 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | glassy | off | off | cross-off | off | off | glassy | off | off | cross-off | off | glassy | cross-off | off | cross-on | glassy | cross-on |
High Tide | 11:31PM0.72m | 2:07PM1.03m | 00:07AM0.86m | 2:21PM1.08m | 00:45AM0.99m | 2:31PM1.10m | 1:29AM1.10m | 2:46PM1.12m | 2:15AM1.18m | 3:04PM1.12m | 2:53AM1.23m | 3:23PM1.11m | ||||||||
Low Tide | 5:50PM0.43m | 5:39AM0.04m | 6:28PM0.38m | 6:24AM-0.06m | 7:08PM0.32m | 7:11AM-0.13m | 7:42PM0.26m | 7:52AM-0.16m | 8:11PM0.20m | 8:25AM-0.13m | 8:36PM0.16m | 8:54AM-0.05m | 8:59PM0.15m | |||||||
 |  | | | |  | |  | |  | | |  | | |  |  | | | | |
 | — | — | 5:52 | — | — | 5:50 | — | — | 5:50 | — | — | 5:48 | — | — | 5:48 | — | — | 5:47 | — | — |
 | 5:37 | — | — | 5:38 | — | — | 5:38 | — | — | 5:38 | — | — | 5:39 | — | — | 5:39 | — | — | 5:39 | — |
mm | 3 | 7 | 2 | 4 | 7 | — | — | — | 2 | 12 | — | 1 | — | — | — | — | — | — | — | — |
Temp °C | 18 | 17 | 17 | 16 | 17 | 19 | 21 | 20 | 23 | 20 | 22 | 25 | 27 | 24 | 25 | 25 | 24 | 24 | 26 | 26 |
Feels °C | 14 | 14 | 16 | 17 | 15 | 17 | 18 | 18 | 26 | 20 | 22 | 27 | 29 | 24 | 27 | 25 | 23 | 23 | 27 | 28 |
Swell 1 Height (m) Direction Period (s) | E 8 | E 8 | S 11 | S 11 | S 10 | ESE 7 | S 11 | S 11 | S 10 | S 10 | S 10 | S 12 | S 13 | ENE 7 | ENE 8 | ENE 7 | S 12 | S 12 | ENE 8 | ENE 8 |
| kJ | 31 | 18 | 1089 | 819 | 615 | 205 | 387 | 319 | 206 | 158 | 92 | 297 | 321 | 191 | 176 | 140 | 251 | 137 | 151 | 105 |
Swell 2 Height (m) Direction Period (s) | ENE 7 | S 13 | E 8 | E 8 | E 8 | S 11 | S 18 | S 16 | S 16 | S 15 | S 13 | ESE 13 | ESE 13 | S 16 | S 14 | S 13 | ESE 12 | ESE 11 | S 11 | S 11 |
| kJ | 18 | 31 | 18 | 21 | 12 | 434 | 6 | 5 | 5 | 17 | 125 | 17 | 17 | 714 | 598 | 430 | 13 | 12 | 91 | 58 |
Swell 3 Height (m) Direction Period (s) | S 15 | NE 7 | — | S 20 | — | S 18 | S 18 | S 16 | E 13 | SE 13 | SE 13 | — | — | ESE 13 | ESE 12 | ESE 12 | — | — | ESE 11 | SSW 4 |
| kJ | 17 | 7 | — | 7 | — | 6 | 6 | 5 | 3 | 6 | 7 | — | — | 17 | 15 | 14 | — | — | 12 | 4 |
Wind waves Height (m) Direction Period (s) | S 7 | S 7 | — | — | SE 6 | ESE 6 | ESE 7 | E 6 | E 7 | E 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | — | ENE 7 | ENE 8 | SSW 2 | — |
| kJ | 378 | 312 | — | — | 135 | 282 | 175 | 136 | 214 | 230 | 247 | 373 | 244 | 319 | 270 | — | 203 | 199 | 1 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 2077 | 326 | 4 | 0 | 0 | 0 | 83 | 61 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 25 | 0 | 227 | 0 | 4 |
Best forecast wave conditions in Rio de Janeiro | ||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||
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Information about the Geriba Surf forecast
The above surf forecast table for Geriba provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Geriba can be found by selecting the local surf guide option on the grey menu. Our Geriba 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 (Geriba) 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 Geriba 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.
Geriba is 5 km (3 miles) from the city of Armacao de Buzios. If you plan a holiday in Rio de Janeiro, look for hotels and other accommodation in Armacao de Buzios. Armacao de Buzios has rooms for a wide range of budgets as well as car hire and transport links.
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