Surf Forecasts:
Geriba surf forecast from 25 Aug 2026:
- Best quality surf: Thursday 27 Aug, 12AM (local time) - 8ft (2.5m), 15s period, S swell with cross-offshore winds.
- Most powerful swell: Thursday 27 Aug, 12AM (local time) - 8ft (2.5m), 15s period, S swell with 3,282 kJ wave energy.
- Next surfable swell (1★+): Wednesday 26 Aug, 12AM (local time) - 6.5ft (2.0m), 13s 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 Wednesday (Aug 26) at 12AM. The primary swell is predicted to be 2.0m and 13s period with a secondary swell of 0.8m and 5s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Geriba in the next 16 days are 2.5m 15s and forecast to arrive on Thursday (Aug 27) at 12AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 7s period and expected on Saturday (Aug 29) at 6PM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12AM (Wed 26th Aug) | 6.5ft (2.0m) 13s |
| Best Surf | 12AM (Thu 27th Aug) | 8ft (2.5m) 15s |
| Most Powerful | 12AM (Thu 27th Aug) | 8ft (2.5m) 15s |
Table - best surf conditions forecast for Geriba over the next 16 days.
The Lowdown
Alright, listen up. Rusty here with the outlook for Geriba.
We've got a solid run of surf coming through, but the conditions are going to be a mixed bag. The main event is a long-period S swell hitting on Wednesday the 26th, and that's the real standout of the whole sixteen-day window. Don't get too excited for the next day and a half, because Tuesday the 25th is a bit of a write-off with messy, cross-shore winds and marginal conditions, despite the 8ft swell.
Wednesday morning the 26th is where it's at. The wind goes glassy, dead calm, and we've got a very long period 5ft S swell pumping in with a period of 16 seconds. The combined swell energy is solid at 2096. This is clean, lined-up groundswell - perfect for the experienced crew. If that swell direction (S) is what Geriba wants, you'll be in for a treat. This swell is too big for beginners though, so leave it to the guys who know what they're doing.
Thursday morning the 27th is also looking clean with a slight cross-offshore wind from the ENE. It's a touch bigger at 8ft from the SSE, with a period of 15 seconds and energy at 2512. This is still excellent for experienced surfers, but keep an eye on the tide. The afternoon gets blown out with a fresh breeze and rain, so make your move early.
After that, things drop off fast. Friday the 28th sees the swell fading, and from the weekend (29th August) right through to the start of September, it's pretty much flat or blown out. There is a long stretch of nothing.
Then, come Thursday the 3rd of September, we get a whisper of life back. A fresh offshore wind from the NNE and a modest 4ft S swell with 11 seconds of period and energy at 340. It's on the marginal side, and the wind will be fresh, making it a bit tough. A real improvement on the week prior but nothing to write home about.
After that, it looks like another quiet period sets in for the second week. There's a brief uptick in size on the 5th of September, but the wind is straight onshore from the SW, and while the swell is a solid 7ft with 1050 energy, it's going to be lumpy and choppy. This setup looks more interesting for kite surfing than paddle surfing.
So, to sum it up: if you can get out on the water on Wednesday the 26th or Thursday the 27th of August, you're in for the best of it. The rest of the outlook is a waiting game.
- Rusty
Short Range ForecastModerate rain (total 15mm), heaviest on Wed night. Warm (max 22°C on Wed morning, min 19°C on Tue morning). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 29°C on Sun morning, min 21°C on Fri morning). Winds decreasing (strong winds from the NE on Sat afternoon, moderate winds from the NNE by Sun night). | ||||||||||||||||||||
Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | |||||||||||||||
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) | S 14 | S 14 | S 13 | S 16 | S 16 | S 15 | S 15 | S 14 | S 13 | S 12 | S 12 | S 11 | SSE 11 | SSE 10 | SSE 12 | SSE 11 | SSE 10 | S 10 | S 10 | S 10 | ENE 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 2157 | 1710 | 1370 | 1189 | 3260 | 3282 | 2249 | 1804 | 875 | 425 | 284 | 119 | 38 | 20 | 14 | 12 | 10 | 2 | 2 | 2 | 0 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | glassy | glassy | cross | cross-off | off | cross | off | off | cross-off | off | off | cross-off | off | off | cross-off | off | off | cross-off | cross-on |
High Tide | 1:31PM1.01m | 1:04AM1.03m | 2:13PM1.09m | 1:50AM1.13m | 2:46PM1.17m | 2:32AM1.22m | 3:15PM1.21m | 3:08AM1.27m | 3:42PM1.21m | 3:40AM1.28m | 4:09PM1.16m | 4:12AM1.23m | 4:37PM1.07m | ||||||||
Low Tide | 7:20PM0.25m | 7:31AM-0.06m | 7:55PM0.21m | 8:06AM-0.10m | 8:24PM0.20m | 8:36AM-0.11m | 8:49PM0.20m | 9:02AM-0.07m | 9:10PM0.23m | 9:27AM0.02m | 9:26PM0.26m | 9:50AM0.15m | 9:34PM0.29m | ||||||||
 |  |  |  |  |  | |  |  |  | | | | | | | | | | | | |
 | 6:03 | — | — | 6:03 | — | — | 6:01 | — | — | 6:01 | — | — | 6:01 | — | — | 6:00 | — | — | 5:58 | — | — |
 | — | 5:35 | — | — | 5:35 | — | — | 5:35 | — | — | 5:36 | — | — | 5:36 | — | — | 5:36 | — | — | 5:37 | — |
mm | — | 1 | — | — | 1 | 6 | 5 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 20 | 20 | 22 | 22 | 21 | 21 | 20 | 20 | 24 | 23 | 22 | 28 | 26 | 23 | 29 | 29 | 23 | 30 | 31 | 22 |
Feels °C | 19 | 19 | 20 | 23 | 23 | 22 | 23 | 20 | 19 | 22 | 19 | 19 | 25 | 22 | 19 | 26 | 26 | 21 | 28 | 28 | 20 |
Swell 1 Height (m) Direction Period (s) | S 14 | S 14 | S 13 | S 12 | S 16 | S 15 | S 15 | S 14 | S 13 | S 12 | S 12 | S 11 | SSE 11 | SSE 10 | S 10 | SSE 11 | SSE 10 | S 10 | S 10 | S 10 | — |
| kJ | 2157 | 1710 | 1370 | 888 | 3260 | 3282 | 2249 | 1804 | 875 | 425 | 284 | 119 | 38 | 20 | 8 | 12 | 10 | 2 | 2 | 2 | — |
Swell 2 Height (m) Direction Period (s) | ENE 7 | — | E 5 | S 16 | ENE 8 | — | ESE 5 | ENE 8 | SE 6 | SE 6 | — | — | — | — | SSE 12 | — | — | — | — | — | — |
| kJ | 5 | — | 30 | 1189 | 6 | — | 33 | 28 | 16 | 20 | — | — | — | — | 14 | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | E 5 | — | — | ENE 8 | — | — | E 8 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 17 | — | — | 26 | — | — | 11 | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | E 4 | E 5 | E 5 | — | E 6 | ENE 6 | — | E 5 | ENE 5 | NE 5 | ENE 6 | ENE 7 | ENE 8 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 20 | 29 | 50 | — | 22 | 13 | — | 37 | 88 | 64 | 199 | 396 | 421 | 405 | 612 | 443 | 424 | 593 | 532 | 541 | 723 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 73 | 63 | 83 | 0 | 0 | 4 | 25 | 0 | 263 | 98 | 73 | 124 | 73 | 58 | 83 | 73 | 58 | 73 | 41 | 60 | 2 |
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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