Surf Forecasts:
Geriba surf forecast from 19 Aug 2026:
- Best quality surf: Tuesday 25 Aug, 3AM (local time) - 8ft (2.5m), 14s period, S swell with cross-offshore winds.
- Most powerful swell: Monday 24 Aug, 9PM (local time) - 8ft (2.5m), 14s period, S swell with 2,923 kJ wave energy.
- Next surfable swell (1★+): Tuesday 25 Aug, 3AM (local time) - 8ft (2.5m), 14s 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 Tuesday (Aug 25) at 3AM. The primary swell is predicted to be 2.5m and 14s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Geriba in the next 16 days are 2.5m 14s and forecast to arrive on Monday (Aug 24) at 9PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.0m 7s period and expected on Friday (Aug 21) at 6AM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Tue 25th Aug) | 8ft (2.5m) 14s |
| Best Surf | 3AM (Tue 25th Aug) | 8ft (2.5m) 14s |
| Most Powerful | 9PM (Mon 24th Aug) | 8ft (2.5m) 14s |
Table - best surf conditions forecast for Geriba over the next 16 days.
The Lowdown
Rusty here, checking in with a look at the surf for Geriba. Right now, it’s a pretty quiet stretch. We’ve got a lot of days ahead with barely a ripple, so let's be honest about what's on offer.
The next week or so is mostly flat. We’re looking at a long, dull run from now all the way through to Saturday the 24th of August. The swell is tiny—mostly under 1 foot—with weak combined wave energy (between 9 and 27). The wind is often offshore or clean, but there’s just no power behind it. It’s a bit of a tease.
Things finally start to change on Monday the 24th. A longer period groundswell from the south starts to push in, with swell heights building to 5 feet in the morning and up to 6 feet in the afternoon. The combined swell energy is strong, hitting 667 in the morning and topping 1000 in the arvo. However, the wind is cross-onshore, making it choppy and lumpy. It’s not the best quality, but it’s the first real sign of life.
Tuesday the 25th is the standout. Early morning we’ve got a solid 8 feet south swell running on a very long 14-second period, pumping that combined energy up to 2245. That’s serious grunt. This is a big, powerful groundswell. The wind is offshore from the ENE, keeping the faces clean. Be mindful though, at that size, this is for experienced surfers only—beginners should steer clear. The long period means the sets will be well-spaced, and at a beach break like Geriba, it might close out a bit. Your best bet is to look for a sandbank that can handle the size. The water temp is about average for this time of year, nothing unusual.
Wednesday the 26th still has some solid leftover swell, around 5 feet in the morning with a strong offshore wind from the NE, but it’s dropping. The combined energy is still 633, but the wind is cranking at 25 mph, making it a battle to paddle into. For the rest of that week into the start of September, the swell fades back down, with heights dropping under 3 feet and the energy falling away. There’s a little bump on the 1st of September with 4 feet, but the wind is cross-onshore and lumpy, so nothing to get too excited about.
Overall, the one true highlight is Tuesday the 25th. Get on it, but be ready for some size and power.
Rusty.
Short Range ForecastMostly dry. Warm (max 29°C on Fri morning, min 20°C on Tue night). Winds increasing (light winds from the NE on Tue night, fresh winds from the NE by Thu night). | Days 5-7 Weather SummaryLight rain (total 2mm), mostly falling on Sun night. Warm (max 21°C on Fri night, min 18°C on Sun night). Winds decreasing (fresh winds from the SW on Fri night, light winds from the SW by Sun morning). | ||||||||||||||||||
Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | ||||||||||||||
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 9 | S 9 | S 9 | SE 12 | SE 12 | S 13 | SSW 11 | SSW 10 | SSW 10 | SW 5 | SSW 7 | SSW 8 | SSW 10 | SSW 9 | SSW 9 | S 13 | S 13 | S 12 | S 14 |
Wave Graph  | |||||||||||||||||||
 kJ | 15 | 7 | 7 | 6 | 6 | 5 | 25 | 20 | 18 | 43 | 134 | 201 | 301 | 173 | 129 | 272 | 663 | 996 | 2644 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | cross-off | off | off | cross-off | off | off | on | cross-on | cross-on | on | cross-on | on | cross-on | on | cross-on | cross-on | cross |
High Tide | 00:23AM0.38m | 6:40AM0.90m | 12:10PM0.56m | 6:40PM0.81m | 7:35AM0.80m | 12:46PM0.64m | 7:28PM0.74m | 8:34AM0.72m | 1:26PM0.70m | 8:23PM0.69m | 12:37PM0.75m | 10:39PM0.69m | 12:23PM0.83m | 11:43PM0.80m | 12:50PM0.91m | 00:23AM0.92m | |||
Low Tide | 9:58PM0.37m | 9:51AM0.55m | 12:50PM0.55m | 10:16PM0.39m | 9:51AM0.61m | 3:16PM0.61m | 3:28AM0.40m | 4:40PM0.54m | 4:38AM0.29m | 12:28PM0.75m | 5:21AM0.18m | 5:56PM0.37m | 6:03AM0.09m | 6:39PM0.31m | |||||
 |  | | | | | | | |  |  |  | | | |  |  | |  | |
 | — | 6:09 | — | — | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — | 6:05 | — | — | 6:05 | — | — |
 | — | — | 5:32 | — | — | 5:32 | — | — | 5:32 | — | — | 5:34 | — | — | 5:34 | — | — | 5:34 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — |
Temp °C | 20 | 24 | 25 | 22 | 25 | 25 | 21 | 29 | 25 | 21 | 20 | 21 | 20 | 21 | 21 | 20 | 19 | 19 | 19 |
Feels °C | 16 | 23 | 23 | 21 | 23 | 21 | 17 | 25 | 23 | 17 | 17 | 17 | 18 | 20 | 19 | 19 | 18 | 18 | 18 |
Swell 1 Height (m) Direction Period (s) | S 9 | ENE 7 | S 9 | SE 12 | SE 12 | SE 12 | SSW 11 | SSW 10 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | SSW 10 | SSW 9 | SSW 9 | S 13 | S 13 | S 12 | S 14 |
| kJ | 15 | 143 | 6 | 6 | 6 | 5 | 25 | 20 | 220 | 76 | 29 | 27 | 301 | 173 | 129 | 272 | 663 | 996 | 2644 |
Swell 2 Height (m) Direction Period (s) | SSE 8 | S 9 | SE 13 | SE 8 | S 10 | S 10 | SE 11 | S 16 | SSW 10 | S 15 | S 14 | SSW 11 | ENE 7 | ENE 6 | ENE 6 | SSW 8 | ENE 6 | ENE 6 | ENE 7 |
| kJ | 7 | 7 | 7 | 3 | 2 | 2 | 5 | 5 | 18 | 4 | 4 | 49 | 15 | 8 | 8 | 87 | 8 | 8 | 10 |
Swell 3 Height (m) Direction Period (s) | SE 12 | SSE 8 | SE 8 | S 10 | S 8 | S 13 | S 11 | S 11 | S 16 | — | — | SW 8 | E 8 | E 8 | S 14 | ENE 6 | E 7 | E 7 | — |
| kJ | 6 | 7 | 3 | 2 | 1 | 3 | 2 | 2 | 5 | — | — | 16 | 5 | 5 | 16 | 8 | 4 | 4 | — |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 7 | E 7 | ENE 7 | ENE 7 | ENE 6 | ENE 6 | ENE 7 | — | SW 5 | SSW 7 | SSW 8 | — | — | — | — | — | — | — |
| kJ | 241 | 186 | 117 | 145 | 124 | 156 | 231 | 418 | — | 43 | 134 | 201 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 60 | 2 | 31 | 2 | 31 | 73 | 63 | 60 | 20 | 165 | 250 | 326 | 126 | 60 | 289 | 4 | 4 | 4 | 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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