Downtowns surfForecast / Sumbawa / Indonesia

information circle12 Day Weather and Surf, issued 1 pm Monday 05 Jan 2026 WITA
Forecast update in hr  min  s Forecast update imminent
Downtowns surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Downtowns sea temperature is
29.1° C
(Which is normal for this time of year)


Best Forecast Surf Conditions for Downtowns this week:

The surf forecast for Downtowns over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Jan 07) at 2AM. The primary swell is predicted to be 0.9m and 12s period with a secondary swell of 0.7m and 9s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Downtowns in the next 12 days are 1.6m 14s and forecast to arrive on Friday (Jan 09) at 11AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Monday (Jan 12) at 2PM.

Wave TypeTime (WITA) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Wed 7th Jan)3ft (0.9m) 12s
Best Surf 2AM (Fri 9th Jan)4ft (1.2m) 15s
Most Powerful11AM (Fri 9th Jan)5ft (1.6m) 14s

Table - best surf conditions forecast for Downtowns over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Heavy rain (total 21mm), heaviest during Tue night. Warm (max 29°C on Tue afternoon, min 26°C on Mon night). Wind will be generally light.

Days 3-6 Weather Summary Heavy rain (total 22mm), heaviest during Thu afternoon. Warm (max 28°C on Thu afternoon, min 25°C on Fri night). Wind will be generally light.

Mon
05
Tuesday
06
Wednesday
07
Thursday
08
Friday
09
Saturday
10
Sunday
11
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
1
0
0
2
1
0
1
1
1
3
2
3
3
3
2
1
1
1
2
1
Swell
Height Map
Wave Height (m) & direction (?)
1.2
SSW
1.1
SSW
0.9
SSW
0.9
SSW
0.9
SSW
0.9
SSW
0.9
SSW
0.9
SSW
0.6
SSW
0.9
SSW
1.2
SSW
1.6
SSW
1.6
SSW
1.6
SSW
1.5
SSW
1.5
SSW
1.4
SSW
1.3
SSW
1.3
SSW
1.3
SSW
1.2
SSW
Period(s) (?)131212121211111217161514141313121212111111
Wave
Graph
(?)Metric surfscale
Energy kJ (?)4913712302262181971932471954025761042929888711657569483435396328
Wind
(km/h)
20
WSW
10
W
10
WSW
15
SW
5
WSW
10
WSW
15
SW
10
WSW
10
WSW
10
WSW
5
NNW
10
N
10
N
5
N
5
WNW
10
NNW
5
N
10
NNW
15
N
10
N
5
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
oncross-
on
cross-
on
glasscross-
on
cross-
on
ononcross-
on
glasscrosscross-
off
cross-
off
glasscrosscrosscross-
on
crosscross-
off
cross-
on
High Tide
/ height (m)
11:44PM
1.88
1:44PM
1.17
12:28AM
1.75
2:18PM
1.23
1:10AM
1.57
2:53PM
1.29
1:52AM
1.37
3:29PM
1.34
2:38AM
1.16
4:06PM
1.38
3:40AM
0.97
4:48PM
1.40
5:50AM
0.83
Low Tide
/ height (m)
5:20PM
0.81
7:08AM
0.01
6:13PM
0.79
7:41AM
0.14
7:09PM
0.80
8:11AM
0.28
8:09PM
0.81
8:37AM
0.43
9:18PM
0.82
8:58AM
0.56
10:47PM
0.79
9:14AM
0.68
12:47AM
0.71
9:16AM
0.78
Mon
05
Tuesday
06
Wednesday
07
Thursday
08
Friday
09
Saturday
10
Sunday
11
Sunrise--5:58--6:00--6:00--6:01--6:01--6:01--6:01
Sunset6:36--6:36--6:37--6:37--6:37--6:37--6:37--
thunderstorm
thunderstorm
thunderstorm
clear
thunderstorm
part cloud
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
thunderstorm
cloud
rain showers
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
Rain (mm)
151-7-43-1041-2-311231
Temp. °C282728292728282728282727272628282628282528
Feels °C (?)293031313032303132313029292932303031302732
  • 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 12 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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