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Downtowns surfForecast / Sumbawa / Indonesia

information circle12 Day Weather and Surf, issued 1 am Tuesday 09 Dec 2025 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
29.5° 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 (Dec 10) at 5AM. The primary swell is predicted to be 0.9m and 14s period with a secondary swell of 1.1m and 11s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Downtowns in the next 12 days are 2.5m 9s and forecast to arrive on Tuesday (Dec 16) at 8AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.2m 6s period and expected on Friday (Dec 12) at 2AM.

Wave TypeTime (WITA) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Wed 10th Dec)3ft (0.9m) 14s
Best Surf11PM (Mon 15th Dec)8ft (2.5m) 8s
Most Powerful 8AM (Tue 16th Dec)8ft (2.5m) 9s

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 29mm), heaviest during Thu afternoon. Warm (max 29°C on Tue morning, min 24°C on Thu afternoon). Wind will be generally light.

Days 3-6 Weather Summary Heavy rain (total 26mm), heaviest during Fri night. Warm (max 29°C on Fri afternoon, min 26°C on Fri night). Wind will be generally light.

Tuesday
09
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
1
0
1
2
1
1
1
3
3
2
3
3
1
1
3
2
1
2
2
2
4
Swell
Height Map
Wave Height (m) & direction (?)
0.9
SW
0.9
SW
0.9
SW
1.4
SW
1.4
SW
1.3
SSW
1.2
SW
1.4
SW
1.5
SSW
1.5
SSW
1.3
SSW
1.4
SSW
1.2
SW
1.1
SW
1.4
SW
1.6
WSW
1.5
SW
1.7
WSW
1.9
WSW
2.1
WSW
2.5
WSW
Period(s) (?)15151414141413141413131413138888888
Wave
Graph
(?)Metric surfscale
Energy kJ (?)375355350721711617517671845808581752494382288343255322454601907
Wind
(km/h)
10
SW
20
SW
5
SSW
10
SW
10
SW
5
WSW
10
SW
5
N
5
N
5
NW
5
WNW
5
N
5
WNW
15
N
5
NNE
10
W
5
NW
5
N
5
W
10
SW
5
NNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
glassglasscross-
on
glassglassoncrossglassoncross-
on
cross-
off
oncross-
on
glass
High Tide
/ height (m)
3:10PM
1.07
1:15AM
1.62
4:06PM
1.13
2:06AM
1.42
5:01PM
1.21
3:11AM
1.21
5:50PM
1.30
4:54AM
1.03
6:32PM
1.38
6:58AM
0.95
7:08PM
1.45
8:39AM
0.95
7:40PM
1.52
Low Tide
/ height (m)
8:10AM
0.09
6:50PM
0.91
8:54AM
0.25
8:04PM
0.96
9:37AM
0.40
9:52PM
0.98
10:19AM
0.54
12:14AM
0.90
11:02AM
0.66
1:52AM
0.73
11:48AM
0.76
2:45AM
0.57
12:38PM
0.83
3:23AM
0.42
Tuesday
09
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Sunrise5:46--5:46--5:46--5:47--5:47--5:48--5:48--
Sunset-6:22--6:23--6:23--6:24--6:24--6:25--6:25-
part cloud
clear
thunderstorm
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
rain showers
clear
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
Rain (mm)
--2---1197-36-52-283107
Temp. °C292928292928282826282927282927292927282827
Feels °C (?)313031313131323230313232313331323231313032
  • 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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Quick surf report for Downtowns:

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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Downtowns surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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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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