Downtowns Surf Break

Lat Long: 8.85° S 116.77° E

Downtowns Surf Forecast and Surf Report

Issued: 1 am 16 Jul 2026 (local time)

Forecast update in  hr  min

Today's Downtowns sea temperature is
27.3° C
0.7° 

Downtowns surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Downtowns surf forecast from 15 Jul 2026:

  • Best quality surf: Friday 17 Jul, 5AM (local time) - 4ft (1.2m), 14s period, SW swell with glassy winds.
  • Most powerful swell: Monday 20 Jul, 11AM (local time) - 6.5ft (2.0m), 17s period, SSW swell with 2,378 kJ wave energy.
  • Next surfable swell (1★+): Thursday 16 Jul, 8AM (local time) - 5ft (1.5m), 15s 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 Thursday (Jul 16) at 8AM. The primary swell is predicted to be 1.5m and 15s period with a secondary swell of 0.9m and 6s. Another secondary swell of 1.6m and 7s is also forecast. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Downtowns in the next 16 days are 2.0m 17s and forecast to arrive on Monday (Jul 20) at 11AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.8m 8s period and expected on Friday (Jul 17) at 11AM.

Wave TypeTime (WITA) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Thu 16th Jul)5ft (1.5m) 15s
Best Surf 5AM (Fri 17th Jul)4ft (1.2m) 14s
Most Powerful11AM (Mon 20th Jul)6.5ft (2.0m) 17s

Table - best surf conditions forecast for Downtowns over the next 16 days.


The Lowdown

Alright, Rusty here. Let's get into it.

Overall, we’ve got a solid run of surf coming up at Downtowns. The water is sitting at 81°F, which is about average for this time of year.

The action kicks off on Thursday, July 16th, with a clean 5ft SSW swell, a long 15-second period, and a light cross-offshore breeze. The energy is solid (1296), and the waves will be lined up nicely for a reef break. It’s a good start, but not the best of the run.

Friday, July 17th, the swell holds at 5ft with a 16-second period in the afternoon, and the wind turns offshore. That’s a step up in quality, feeling punchy and clean.

The real standout comes on Monday, July 20th. We’re looking at a 7ft to 7ft SSW groundswell, with a 17-second period. The energy jumps up to 2447, and the wind is light cross-off. This is a big, powerful, and clean swell. It’s going to be a proper session, but at this size, it’s for experienced surfers only. If you’ve got the skills, this is the day to be in the water.

The week after that sees a drop in size, but the quality stays good. Tuesday, July 28th, is another highlight. We get a glassy morning with a 5ft SSW swell that has a very long 17-second period and incredible energy (1621). It’s a beautiful, clean groundswell. The period is so long that it might be a bit straight at a beach break, but at a reef like Downtowns, it’ll be a dream.

There’s a gap of small surf from the 23rd to the 27th, but it’s not a total write-off. Then, to finish the run, July 31st delivers a surprise: a 3ft swell with a massive 23-second period and 2148 energy. That’s a very long-period, high-energy pulse, and with glassy conditions, it’ll be weirdly fun and powerful for its size.

So, the best on offer is definitely Monday, July 20th, for the size and power, and Tuesday, July 28th, for the pure quality of the glassy long-period groundswell. Don’t sleep on that last day of July either.

Rusty, signing off.

Short Range Forecast

Mostly dry. Warm (max 28°C on Thu afternoon, min 23°C on Fri night). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Warm (max 28°C on Sun afternoon, min 23°C on Sun night). Wind will be generally light.

Thursday
16
Friday
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
3
3
3
3
4
3
3
3
3
2
3
4
4
4
4
4
2
3
3
1
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.5
SSW
15
1.4
SW
15
1.4
SW
15
1.4
SW
15
1.5
SW
16
1.4
SW
16
1.4
SW
15
1.4
SW
14
1.4
SW
14
1.3
SW
13
1.3
SW
13
1.5
SW
15
2
SSW
17
2.1
SSW
16
2
SSW
16
1.8
SW
14
1.7
SSW
14
1.5
SSW
14
1.4
SSW
13
1.3
SSW
13
1.3
SSW
12
Wave Graph
Metric surfscale
Energy kJ
974
869
773
773
1129
976
879
833
799
577
560
979
2378
2151
1956
1340
1111
895
649
555
481
Wind (km/h)
5
SSE
5
ESE
10
ESE
5
S
10
E
10
ESE
10
SSE
10
E
10
ESE
5
S
5
ENE
10
ESE
10
SSE
15
ESE
10
ESE
15
SSE
20
SE
10
SE
15
SSE
20
SSE
10
ESE
Wind State
cross-off
glassy
off
cross-off
off
cross-off
cross-off
off
cross-off
cross
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
11:28AM1.89m
1:19AM1.22m
12:16PM1.77m
1:51AM1.30m
1:01PM1.60m
2:24AM1.37m
1:47PM1.40m
2:58AM1.42m
2:36PM1.19m
3:34AM1.45m
3:37PM0.99m
4:13AM1.46m
5:22PM0.85m
5:00AM1.45m
Low Tide
6:48PM0.01m
6:02AM0.75m
7:21PM0.13m
6:59AM0.72m
7:51PM0.27m
7:58AM0.71m
8:17PM0.42m
9:02AM0.71m
8:39PM0.55m
10:17AM0.70m
8:55PM0.67m
11:54AM0.65m
8:59PM0.77m
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:28
6:28
6:28
6:28
6:28
6:28
6:28
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:07
6:07
6:07
6:08
6:08
6:08
6:08
 mm
Temp °C
27
28
26
27
28
25
27
28
25
27
28
25
27
27
25
27
28
24
27
27
24
Feels °C
29
29
29
29
29
27
29
29
27
29
29
27
29
27
26
27
27
24
26
25
23
  • Map Icons:
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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