Surf Forecasts:
Arpoador surf forecast from 7 Jul 2026:
- Best quality surf: Tuesday 7 Jul, 3AM (local time) - 2.5ft (0.8m), 17s period, S swell with offshore winds.
- Most powerful swell: Tuesday 14 Jul, 12AM (local time) - 7ft (2.1m), 11s period, S swell with 1,048 kJ wave energy.
- Next surfable swell (1★+): Tuesday 7 Jul, 3AM (local time) - 2.5ft (0.8m), 17s period with S swell.
Best Forecast Surf Conditions for Arpoador this week:
The surf forecast for Arpoador over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Jul 07) at 3AM. The primary swell is predicted to be 0.8m and 17s period with a secondary swell of 1.2m and 10s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Arpoador in the next 16 days are 2.1m 11s and forecast to arrive on Tuesday (Jul 14) at 12AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 3s period and expected on Friday (Jul 10) at 6PM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Tue 7th Jul) | 2.5ft (0.8m) 17s |
| Best Surf | 3AM (Tue 7th Jul) | 2.5ft (0.8m) 17s |
| Most Powerful | 12AM (Tue 14th Jul) | 7ft (2.1m) 11s |
Table - best surf conditions forecast for Arpoador over the next 16 days.
Updates in hr min s Forecast update imminent
Alright folks, Rusty here. Let's break down what’s coming for Arpoador over the next couple weeks.
We've got a solid run of surfable days, but you gotta pick your windows – the wind will mess up plenty of afternoons. Stick to mornings when the breeze is light, offshore, or glassy, and you'll find the goods.
First standout is tomorrow morning, Tuesday July 7th. Clean 4ft swell from the SSE with a 10-second period, light cross-offshore NNW wind at just 5 km/h. Wave energy is moderate to strong (516). Arpoador is a consistent, beginner-friendly spot, so this is a nice little window. Water temp is about average for the time of year.
Wednesday the 8th is a write-off with onshore wind. Skip it. Thursday morning the 9th is a gem – glassy, light WNW breeze, 3ft of S swell at 10 seconds. Small but clean and fun. Energy is moderate (313). Friday morning the 10th brings offshore NNE wind at 10 km/h, 3ft from the SE, but the period jumps to 14 seconds – that’s real groundswell. Paddling out will be easier between sets, waves will have more shape. Energy is moderate (347).
Saturday morning the 11th is glassy again with a light NNW breeze, 4ft from the SE at 13 seconds – long period, clean, lined-up waves. Energy is moderate (406). Sunday morning the 12th has cross-offshore N wind at 10 km/h, 3ft from the SE at 12 seconds – clean but a bit smaller.
The true highlight is Monday morning the 13th of July. Dead calm, glassy wind from the S at 0 km/h, with 3ft of S swell at 12 seconds. The ocean will be like a mirror. Energy is moderate (310). This is the session you dream about.
Next week gets mixed. Thursday the 16th morning is glassy but smaller (4ft, 9 seconds). Friday the 17th morning is a solid call: cross-offshore NE wind, 4ft from the SE at 10 seconds, clean, moderate energy (356). Saturday the 18th morning is another glassy moment with 4ft from the SE at 12 seconds – strong energy (442).
Wind kicks up on afternoons, so dawn patrol is your friend. By Wednesday the 22nd of July, we see a spike to 5ft from the E at just 7 seconds, with offshore NNE wind – short period push, a bit bumpy but still clean faces and moderate energy (386).
Crowds at Arpoador are often an issue, so get out early. The consistency here means we got plenty of chances – the best windows are those glassy or offshore mornings.
Rusty out.
Short Range ForecastLight rain (total 6mm), mostly falling on Tue night. Warm (max 23°C on Tue morning, min 18°C on Mon night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 25°C on Sun morning, min 16°C on Thu night). Wind will be generally light. | ||||||||||||||||||||
Tuesday 7 | Wednesday 8 | Thursday 9 | Friday 10 | Saturday 11 | Sunday 12 | Mon 13 | |||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | S 18 | SSE 10 | SSE 10 | S 10 | SE 10 | SE 10 | SE 10 | S 10 | S 11 | S 10 | SE 14 | SSE 13 | SE 13 | SE 13 | SE 13 | SE 12 | SE 12 | SE 12 | S 14 | S 12 | S 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 492 | 269 | 214 | 313 | 220 | 200 | 142 | 158 | 235 | 161 | 241 | 304 | 342 | 394 | 382 | 287 | 248 | 169 | 250 | 235 | 418 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross-on | on | on | on | cross-on | glassy | cross-on | off | off | cross | cross-off | glassy | cross-on | off | cross-off | cross-on | cross | glassy | on |
High Tide | 7:39AM1.05m | 8:17PM0.96m | 8:35AM0.98m | 9:12PM0.87m | 10:23AM0.94m | 10:45PM0.82m | 11:48AM0.99m | 11:40PM0.84m | 12:50PM1.05m | 00:23AM0.87m | 2:24PM1.12m | 1:13AM0.92m | 3:10PM1.20m | ||||||||
Low Tide | 2:14AM0.59m | 2:44PM0.44m | 4:02AM0.55m | 4:59PM0.45m | 5:20AM0.43m | 5:59PM0.42m | 6:05AM0.29m | 6:55PM0.40m | 6:53AM0.17m | 8:02PM0.38m | 7:52AM0.07m | 8:55PM0.37m | 8:45AM-0.02m | ||||||||
 |  |  |  | | |  | | | | | | | | | | | |  |  | | |
 | — | 6:33 | — | — | 6:33 | — | — | 6:33 | — | — | 6:33 | — | — | 6:33 | — | — | 6:33 | — | — | 6:33 | — |
 | — | — | 5:21 | — | — | 5:21 | — | — | 5:21 | — | — | 5:22 | — | — | 5:22 | — | — | 5:22 | — | — | 5:22 |
mm | — | — | — | 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 23 | 21 | 20 | 19 | 20 | 19 | 19 | 19 | 19 | 22 | 23 | 21 | 23 | 23 | 21 | 25 | 23 | 22 | 23 | 22 |
Feels °C | 20 | 23 | 19 | 20 | 18 | 19 | 19 | 19 | 18 | 19 | 22 | 22 | 22 | 24 | 23 | 21 | 24 | 22 | 23 | 24 | 21 |
Swell 1 Height (m) Direction Period (s) | SSE 11 | SSE 10 | SSE 10 | S 10 | S 8 | SE 10 | SE 10 | S 10 | S 11 | S 10 | SE 14 | SSE 13 | SE 13 | SE 13 | SE 13 | SE 12 | SE 12 | SE 12 | S 14 | S 12 | S 11 |
| kJ | 337 | 269 | 214 | 313 | 134 | 200 | 142 | 158 | 235 | 161 | 241 | 304 | 342 | 394 | 382 | 287 | 248 | 169 | 250 | 235 | 418 |
Swell 2 Height (m) Direction Period (s) | S 18 | S 16 | S 15 | S 14 | SE 10 | S 8 | S 8 | SE 10 | SE 10 | SE 10 | S 9 | S 8 | SSE 11 | SSW 8 | SSW 7 | S 7 | S 15 | S 15 | SE 11 | S 6 | S 16 |
| kJ | 492 | 246 | 153 | 96 | 220 | 95 | 78 | 102 | 84 | 52 | 104 | 35 | 103 | 11 | 5 | 1 | 17 | 40 | 101 | 32 | 78 |
Swell 3 Height (m) Direction Period (s) | SSW 10 | E 8 | E 8 | S 14 | S 13 | S 12 | S 11 | S 13 | S 16 | SE 14 | S 10 | SSW 9 | SSW 8 | E 4 | SE 16 | S 16 | S 19 | S 20 | S 5 | SE 11 | SE 11 |
| kJ | 80 | 1 | 1 | 140 | 54 | 27 | 36 | 53 | 5 | 51 | 2 | 27 | 22 | 1 | 10 | 21 | 7 | 33 | 13 | 43 | 29 |
Wind waves Height (m) Direction Period (s) | ENE 8 | — | SW 2 | SSW 6 | — | — | — | — | — | — | NE 2 | ENE 3 | — | — | — | ENE 3 | — | SW 3 | SSW 6 | — | — |
| kJ | 13 | — | 2 | 132 | — | — | — | — | — | — | 1 | 1 | — | — | — | 3 | — | 2 | 53 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 119 | 116 | 119 | 119 | 26 | 0 | 119 | 0 | 0 | 12 | 0 | 0 | 51 | 0 | 0 | 32 | 3 | 0 | 119 |
Best forecast wave conditions in Rio de Janeiro | |||||||||||||||||||||
Best forecast wave conditions in Brazil | |||||||||||||||||||||
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Information about the Arpoador Surf forecast
The above surf forecast table for Arpoador provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Arpoador can be found by selecting the local surf guide option on the grey menu. Our Arpoador 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 (Arpoador) 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 Arpoador 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.
Arpoador is 14 km (9 miles) from the very large city of Niteroi. If you plan a holiday in Rio de Janeiro, look for hotels and other accommodation in Niteroi. Niteroi has rooms for a wide range of budgets as well as cheap car hire and transport links.
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