Surf Forecasts:
Downtowns surf forecast from 22 Jul 2026:
- Best quality surf: Saturday 25 Jul, 5AM (local time) - 7ft (2.1m), 8s period, SE swell with offshore winds.
- Most powerful swell: Sunday 26 Jul, 2AM (local time) - 8ft (2.5m), 8s period, SE swell with 899 kJ wave energy.
- Next surfable swell (1★+): Wednesday 22 Jul, 8PM (local time) - 3.5ft (1.0m), 13s period with SSW swell.
Best Forecast Surf Conditions for Downtowns this week:
The surf forecast for Downtowns over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Jul 22) at 8PM. The primary swell is predicted to be 1.0m and 13s period with a secondary swell of 0.7m and 16s. Another secondary swell of 1.2m and 6s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Downtowns in the next 16 days are 2.5m 8s and forecast to arrive on Sunday (Jul 26) at 2AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.8m 7s period and expected on Wednesday (Jul 29) at 11AM.
| Wave Type | Time (WITA) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8PM (Wed 22nd Jul) | 3.5ft (1.0m) 13s |
| Best Surf | 5AM (Sat 25th Jul) | 7ft (2.1m) 8s |
| Most Powerful | 2AM (Sun 26th Jul) | 8ft (2.5m) 8s |
Table - best surf conditions forecast for Downtowns over the next 16 days.
The Lowdown
Alright crew, Rusty here again, but this time in feet and knots. Downtowns is the only break in the mix – a reef that’s fairly consistent and loves a good SW groundswell. Water temp is about 81°F, right where it should be for this time of year. The run starts Wednesday the 22nd with 4.3ft of SSW swell at 13 seconds, cross-off wind at 12 mph, clean but not the standout. Things pick up Friday the 24th morning: 3.6ft SSW at 13 seconds, light SE wind at 9 mph, energy reading 720 – moderate, but good.
Saturday the 25th morning is where it gets real: 3.9ft SSW at 15 seconds, light SE breeze at 6 mph, energy 1250 – strong and clean. Sunday the 26th morning throws a 7.5ft SE swell at only 8 seconds – short period, powerful, and only for the experienced. Light SE cross-off, energy 1436. That’s a solid session if you’re up for it.
But the real crown jewel is Monday the 31st morning: glassy conditions, 4.3ft SSW at 18 seconds, light south wind at 3 mph, energy 1347. That’s a long-period groundswell hitting a reef perfectly – clean, well-shaped, and with plenty of space between sets. Crowds are possible, but it’s worth it. And don’t forget Tuesday the 4th of August afternoon: 4.9ft SSW at 16 seconds, glassy, energy 1757 – another beauty. The second week has a few glassy sessions, but the first week’s Saturday the 31st and that Tuesday are the ones to lock in. Keep an eye on the bigger stuff later – 7.9ft on Thursday the 6th morning – but with cross-onshore wind, it’s a bit choppy. Still, plenty of power for the experts. Stay stoked.
Short Range ForecastMostly dry. Warm (max 27°C on Wed afternoon, min 22°C on Fri night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 28°C on Sat afternoon, min 23°C on Sat morning). Wind will be generally light. | ||||||||||||||||||||
Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | Sunday 26 | Monday 27 | Tuesday 28 | |||||||||||||||
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) | SSW 13 | SSW 13 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 17 | SSW 16 | SSW 15 | SSW 14 | SE 8 | SE 8 | SE 9 | SE 8 | SE 8 | SE 8 | SSW 16 | SSW 16 | SSW 16 | SSW 15 |
Wave Graph  | |||||||||||||||||||||
 kJ | 581 | 346 | 553 | 545 | 494 | 312 | 421 | 317 | 446 | 610 | 515 | 899 | 772 | 482 | 346 | 418 | 229 | 183 | 318 | 402 | 665 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | off | off |
High Tide | 5:22PM0.85m | 5:00AM1.45m | 5:57AM1.44m | 7:00AM1.46m | 7:58AM1.50m | 11:44PM1.02m | 8:49AM1.56m | 11:47PM1.05m | 9:33AM1.62m | 11:59PM1.09m | |||||||||||
Low Tide | 11:54AM0.65m | 8:59PM0.77m | 1:40PM0.56m | 2:50PM0.45m | 3:35PM0.34m | 4:12PM0.25m | 2:13AM0.99m | 4:44PM0.18m | 3:14AM0.94m | 5:14PM0.14m | 3:59AM0.89m | ||||||||||
 | |  |  | | | | | | | | | | | | | | | | |  | |
 | 6:28 | — | — | 6:28 | — | — | 6:28 | — | — | 6:28 | — | — | 6:28 | — | — | 6:28 | — | — | 6:28 | — | — |
 | — | 6:08 | — | — | 6:08 | — | — | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — | 6:09 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 27 | 24 | 26 | 26 | 24 | 26 | 27 | 24 | 27 | 28 | 24 | 27 | 28 | 25 | 27 | 28 | 25 | 27 | 28 | 26 |
Feels °C | 25 | 25 | 24 | 24 | 23 | 23 | 25 | 25 | 23 | 28 | 28 | 24 | 28 | 28 | 25 | 28 | 28 | 26 | 29 | 29 | 28 |
Swell 1 Height (m) Direction Period (s) | SSW 13 | SSW 13 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 16 | SSE 8 | SSW 14 | SSE 9 | SSE 9 | SSW 13 | SSW 13 | SSE 8 | SSW 17 | SW 13 | SSW 16 | SSW 16 | SSW 15 |
| kJ | 581 | 346 | 553 | 545 | 494 | 312 | 421 | 212 | 446 | 215 | 515 | 464 | 377 | 222 | 151 | 99 | 200 | 132 | 318 | 402 | 665 |
Swell 2 Height (m) Direction Period (s) | — | SSW 16 | SW 19 | — | SW 18 | SSW 10 | SSW 18 | SSW 17 | SSW 12 | SSW 15 | SW 16 | SSW 14 | SSW 14 | SW 15 | SW 13 | SE 8 | SSW 12 | SSW 16 | SSE 7 | SW 12 | S 26 |
| kJ | — | 223 | 15 | — | 12 | 83 | 124 | 317 | 241 | 610 | 41 | 367 | 232 | 33 | 28 | 82 | 86 | 179 | 62 | 73 | 13 |
Swell 3 Height (m) Direction Period (s) | — | — | SW 19 | — | — | S 20 | SW 16 | SSW 9 | WSW 18 | SW 18 | — | WSW 16 | SW 15 | SW 19 | SSW 19 | SSW 12 | SW 13 | — | SE 7 | — | — |
| kJ | — | — | 15 | — | — | 8 | 41 | 45 | 30 | 12 | — | 25 | 55 | 15 | 36 | 83 | 44 | — | 65 | — | — |
Wind waves Height (m) Direction Period (s) | SE 6 | SE 6 | SE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 7 | SSE 6 | SSE 8 | SE 8 | SSE 8 | SE 8 | SE 8 | SE 9 | SE 8 | SE 8 | SE 8 | SSE 7 | SE 7 | SE 7 | SE 6 |
| kJ | 80 | 105 | 109 | 96 | 93 | 106 | 134 | 126 | 186 | 413 | 264 | 899 | 772 | 482 | 346 | 418 | 229 | 183 | 284 | 131 | 94 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 4 | 0 | 4 | 4 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Sumbawa | |||||||||||||||||||||
Best forecast wave conditions in Indonesia | |||||||||||||||||||||
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Information about the Downtowns Surf forecast
The above surf forecast table for Downtowns provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Downtowns can be found by selecting the local surf guide option on the grey menu. Our Downtowns 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 (Downtowns) 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 Downtowns 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.
Downtowns is 57 km (35 miles) from the city of Praya. If you plan a holiday in Sumbawa, look for hotels and other accommodation in Praya. Praya has rooms for a wide range of budgets as well as car hire and transport links.
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