Surf Forecasts:
Arpoador surf forecast from 2 Aug 2026:
- Best quality surf: Tuesday 4 Aug, 6PM (local time) - 3.5ft (1.0m), 8s period, E swell with cross-offshore winds.
- Most powerful swell: Wednesday 5 Aug, 12AM (local time) - 4.5ft (1.4m), 7s period, E swell with 188 kJ wave energy.
- Next surfable swell (1★+): Sunday 2 Aug, 9AM (local time) - 2.5ft (0.7m), 6s period with ESE 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 Sunday (Aug 02) at 9AM. The primary swell is predicted to be 0.7m and 6s period with a secondary swell of 0.4m 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 1.4m 7s and forecast to arrive on Wednesday (Aug 05) at 12AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 6s period and expected on Tuesday (Aug 04) at 9PM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9AM (Sun 2nd Aug) | 2.5ft (0.7m) 6s |
| Best Surf | 6PM (Tue 4th Aug) | 3.5ft (1.0m) 8s |
| Most Powerful | 12AM (Wed 5th Aug) | 4.5ft (1.4m) 7s |
Table - best surf conditions forecast for Arpoador over the next 16 days.
The Lowdown
Alright, this is Rusty checking in. Let's talk about what's on the menu for the next couple of weeks.
It's a bit of a slow start out there, but there's a serious pulse of energy building for the second week. The water is sitting at about 73°F, which is a touch warmer than usual for this time of year – nothing crazy, just a nice little bonus.
The first few days are pretty lackluster. We've got small, weak swell and the wave quality is just ordinary. The standout window is definitely the second week. From Monday the 10th of August onwards, a proper long-period groundswell from the S-SSW starts to roll in. The swell energy jumps right up (1484 on Monday morning, peaking at a massive 5827 on Monday afternoon), but the wind is a bit messy. There's a solid chance of rain and onshore breezes, so the conditions will be tricky. The swell gets up to 10ft on Monday afternoon, which is expert territory, and with that 14-15 second period, it'll be a powerful, heaving ocean. The wind is mostly cross-shore or onshore, so it won't be glassy, but for a strong-armed crew, there will be plenty of juice.
The best bet for the whole run looks like Friday the 14th of August. We've got a clean 5ft swell from the S, a period of 13 seconds, and a light offshore breeze from the ENE in the morning. The combined energy is solid (989), and with the wind being offshore, it's going to be clean. That's the day to circle. The following Saturday morning, the 15th, also looks good with a 3ft S swell and a light offshore, keeping things clean.
Late in the window, on Sunday the 16th, there's a fun little spike of energy from the E, but the period is short (8 seconds) so the waves will be a bit more disorganized.
Overall, don't get too excited about this week. The real action is from the 10th onwards, but be patient with the wind. The standout is Friday the 14th morning.
Rusty.
Short Range ForecastMostly dry. Warm (max 27°C on Tue afternoon, min 20°C on Mon night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 35°C on Fri morning, min 24°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Sunday 2 | Monday 3 | Tuesday 4 | Wednesday 5 | Thursday 6 | Friday 7 | Saturday 8 | |||||||||||||||
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) | ESE 6 | E 7 | ESE 7 | ESE 7 | SE 12 | E 7 | ESE 7 | E 7 | E 7 | S 12 | E 8 | ESE 8 | S 10 | E 7 | SSE 13 | SSE 12 | SSE 11 | S 11 | S 10 | S 10 | S 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 34 | 70 | 50 | 38 | 37 | 114 | 54 | 86 | 188 | 177 | 164 | 85 | 51 | 87 | 35 | 29 | 42 | 55 | 30 | 16 | 15 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross | glassy | glassy | cross-on | cross-off | off | cross | glassy | off | cross | glassy | cross-off | cross-on | off | cross-off | off | cross-off | cross-off | cross-off | cross-on |
High Tide | 5:17PM1.15m | 5:14AM1.19m | 6:03PM1.06m | 6:11AM1.09m | 6:51PM0.96m | 7:13AM1.00m | 7:33PM0.85m | 8:11AM0.91m | 8:18PM0.76m | 11:05AM0.85m | 9:47PM0.69m | 12:28PM0.95m | 11:31PM0.75m | ||||||||
Low Tide | 11:17AM0.19m | 11:12PM0.48m | 12:13PM0.30m | 11:26PM0.50m | 1:17PM0.40m | 1:17AM0.50m | 2:13PM0.52m | 2:03AM0.49m | 5:05PM0.55m | 5:06AM0.40m | 6:05PM0.49m | 5:58AM0.25m | 6:56PM0.45m | ||||||||
 | |  | | |  | | | |  | | | | | | | | | | | | |
 | 6:26 | — | — | 6:26 | — | — | 6:24 | — | — | 6:24 | — | — | 6:24 | — | — | 6:22 | — | — | 6:22 | — | — |
 | — | 5:30 | — | — | 5:31 | — | — | 5:31 | — | — | 5:31 | — | — | 5:32 | — | — | 5:32 | — | — | 5:34 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 24 | 23 | 23 | 22 | 26 | 27 | 25 | 28 | 27 | 26 | 30 | 28 | 27 | 35 | 35 | 31 | 37 | 39 | 25 |
Feels °C | 26 | 24 | 25 | 22 | 23 | 23 | 24 | 26 | 25 | 28 | 26 | 28 | 30 | 28 | 27 | 33 | 34 | 29 | 32 | 36 | 26 |
Swell 1 Height (m) Direction Period (s) | ESE 6 | ESE 6 | ESE 7 | ESE 7 | ESE 6 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 8 | S 11 | ESE 8 | ESE 7 | ESE 7 | ESE 7 | S 5 | SSE 5 | S 11 | ESE 7 | S 10 | ESE 7 |
| kJ | 34 | 23 | 50 | 38 | 28 | 34 | 54 | 36 | 68 | 74 | 119 | 83 | 43 | 30 | 30 | 16 | 7 | 55 | 18 | 16 | 9 |
Swell 2 Height (m) Direction Period (s) | S 10 | S 10 | S 10 | SSE 13 | SE 12 | SE 11 | SE 11 | SE 10 | S 12 | S 12 | ESE 8 | S 11 | S 10 | S 10 | SSE 9 | E 7 | SSE 11 | ESE 4 | S 10 | ESE 8 | S 9 |
| kJ | 32 | 30 | 7 | 16 | 37 | 32 | 29 | 26 | 107 | 177 | 51 | 85 | 51 | 50 | 28 | 28 | 42 | 3 | 30 | 11 | 15 |
Swell 3 Height (m) Direction Period (s) | SSE 9 | — | SE 9 | S 9 | S 8 | S 15 | S 13 | S 13 | SE 10 | — | — | — | S 17 | S 15 | SSE 13 | SSE 12 | ESE 7 | ESE 7 | SW 5 | — | — |
| kJ | 8 | — | 3 | 1 | 1 | 4 | 32 | 55 | 14 | — | — | — | 6 | 18 | 35 | 29 | 11 | 5 | 1 | — | — |
Wind waves Height (m) Direction Period (s) | — | E 7 | — | — | — | E 7 | — | E 7 | E 7 | — | E 8 | — | — | E 7 | WSW 3 | — | — | — | — | NW 3 | — |
| kJ | — | 70 | — | — | — | 114 | — | 86 | 188 | — | 164 | — | — | 87 | 3 | — | — | — | — | 2 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 265 | 0 | 0 | 51 | 0 | 0 | 15 | 0 | 0 | 12 | 0 | 0 | 51 | 0 | 0 | 0 | 0 | 6 | 26 | 26 |
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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