Downtowns Surf Break

Lat Long: 8.85° S 116.77° E

Downtowns Surf Forecast and Surf Report

Issued: 1 am 21 Aug 2026 (local time)

Forecast update in  hr  min

Today's Downtowns sea temperature is
26.5° C
0.1° 

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


Downtowns surf forecast from 20 Aug 2026:

  • Best quality surf: Friday 28 Aug, 2AM (local time) - 8ft (2.5m), 18s period, SSW swell with cross-offshore winds.
  • Most powerful swell: Friday 28 Aug, 5AM (local time) - 8ft (2.5m), 18s period, SSW swell with 4,083 kJ wave energy.
  • Next surfable swell (1★+): Friday 21 Aug, 8AM (local time) - 6.5ft (2.0m), 15s period with SW 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 Friday (Aug 21) at 8AM. The primary swell is predicted to be 2.0m and 15s period with a secondary swell of 0.8m and 19s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Downtowns in the next 16 days are 2.5m 18s and forecast to arrive on Friday (Aug 28) at 5AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 6s period and expected on Friday (Aug 21) at 2PM.

Wave TypeTime (WITA) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Fri 21st Aug)6.5ft (2.0m) 15s
Best Surf 2AM (Fri 28th Aug)8ft (2.5m) 18s
Most Powerful 5AM (Fri 28th Aug)8ft (2.5m) 18s

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


Short Range Forecast

Mostly dry. Warm (max 27°C on Sat afternoon, min 22°C on Fri night). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Warm (max 28°C on Mon afternoon, min 22°C on Wed night). Wind will be generally light.

Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
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
4
4
3
4
4
4
4
4
3
4
3
3
4
3
2
3
3
2
2
5
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.8
SW
15
2.3
SW
17
2.2
SSW
16
2.2
SSW
16
2.1
SSW
16
2
SSW
15
2.1
SSW
15
1.9
SSW
15
1.7
SSW
14
2
SSW
16
1.8
SSW
16
1.6
SSW
14
1.7
SSW
15
1.7
SW
16
1.7
SSW
15
1.7
SSW
14
1.7
SSW
14
1.3
SSW
13
1.1
SW
16
0.9
SSW
20
2.5
SSW
18
Wave Graph
Metric surfscale
Energy kJ
1325
3110
2567
2503
2151
1833
1937
1488
1261
1856
1608
1057
1206
1449
1158
1143
1079
563
580
698
4011
Wind (km/h)
5
SSW
5
E
10
E
5
S
5
ENE
5
E
5
S
5
SSE
10
ESE
10
S
10
SE
10
ESE
10
SSE
5
SSE
10
ESE
5
SSW
10
SSE
5
ESE
10
S
15
S
10
ESE
Wind State
cross-on
glassy
off
cross
glassy
off
glassy
glassy
off
cross
cross-off
off
cross-off
cross-off
cross-off
cross
cross-off
off
cross
cross
cross-off
High Tide
4:34AM1.36m
6:18AM1.35m
7:41AM1.41m
11:17PM1.08m
8:38AM1.49m
11:10PM1.12m
9:22AM1.57m
11:15PM1.19m
10:01AM1.62m
11:27PM1.27m
Low Tide
12:57PM0.57m
2:36PM0.47m
3:21PM0.37m
3:53PM0.29m
2:37AM1.00m
4:20PM0.23m
3:25AM0.91m
4:44PM0.20m
4:03AM0.82m
5:07PM0.20m
4:38AM0.72m
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:20
6:20
6:18
6:18
6:18
6:18
6:16
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:10
6:10
6:10
6:10
6:10
6:10
6:10
 mm
Temp °C
25
26
24
26
27
24
26
27
24
27
28
25
27
27
25
26
27
24
26
27
24
Feels °C
27
27
26
27
28
26
27
28
26
29
28
27
28
28
27
28
28
26
27
26
25
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
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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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