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Surf Forecasts:

Downtowns surfForecast / Sumbawa / Indonesia

information circle12 Day Weather and Surf, issued 7 pm Monday 12 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 Monday (Jan 12) at 11PM. The primary swell is predicted to be 1.0m and 11s period with a secondary swell of 0.6m and 7s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Downtowns in the next 12 days are 1.4m 16s and forecast to arrive on Tuesday (Jan 20) at 2AM. Winds are predicted to be onshore at the time the swell arrives.

Wave TypeTime (WITA) & Date Wave Height & Period
Next good surf (1 star+)11PM (Mon 12th Jan)3.5ft (1.0m) 11s
Best Surf 8AM (Sat 17th Jan)3.5ft (1.1m) 14s
Most Powerful 2AM (Tue 20th Jan)4.5ft (1.4m) 16s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Moderate rain (total 15mm), heaviest on Wed night. Warm (max 29°C on Wed afternoon, min 25°C on Mon night). Wind will be generally light.

Days 3-6 Weather Summary Moderate rain (total 16mm), heaviest on Sat night. Warm (max 29°C on Fri afternoon, min 26°C on Thu night). Wind will be generally light.

Tuesday
13
Wednesday
14
Thursday
15
Friday
16
Saturday
17
Sunday
18
Mon
19
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
2
1
1
2
1
0
1
1
1
2
1
0
1
2
0
1
0
0
1
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1
SSW
0.9
SSW
0.9
SSW
0.9
SSW
1.4
W
1.7
WSW
1.8
W
1.4
WSW
0.8
SW
1
SW
1
SW
1.1
SW
1.1
SW
1.1
SW
1.1
SW
1.1
SW
1.4
SW
1.4
SW
1.4
SW
1.1
SW
1.4
SW
Period(s) (?)11101010777814141414141414141615141415
Wave
Graph
(?)Metric surfscale
Energy kJ (?)234163160154200327349245228355398466459459521465871784752514795
Wind
(km/h)
0
N
5
NW
10
NNW
5
WNW
10
WNW
20
W
15
WNW
10
NW
15
W
10
NW
10
WNW
15
W
15
WNW
10
WNW
20
WSW
15
W
20
W
20
WNW
15
WNW
20
W
25
W
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glassglasscrossglassononcross-
on		cross-
on		oncross-
on		cross-
on		oncross-
on		onononononcross-
on		onon
High Tide
/ height (m)
6:32PM
1.44
7:27PM
1.47
8:18PM
1.53
11:48AM
1.02
9:03PM
1.60
11:58AM
1.05
9:44PM
1.67
12:13PM
1.08
10:22PM
1.73
12:32PM
1.12
Low Tide
/ height (m)
2:22AM
0.58
3:13AM
0.44
3:52AM
0.32
4:25AM
0.22
2:29PM
0.98
4:57AM
0.14
3:22PM
0.94
5:27AM
0.08
4:04PM
0.90
5:56AM
0.06
4:43PM
0.86
Tuesday
13
Wednesday
14
Thursday
15
Friday
16
Saturday
17
Sunday
18
Mon
19
Sunrise-6:03--6:03--6:03--6:03--6:05--6:05--6:05-
Sunset--6:38--6:38--6:38--6:38--6:39--6:39--6:39
part cloud
part cloud
thunderstorm
thunderstorm
part cloud
thunderstorm
thunderstorm
part cloud
thunderstorm
thunderstorm
part cloud
thunderstorm
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
Rain (mm)
--23-35-22-1--33251336
Temp. °C262828262829272829272829272829272828262829
Feels °C (?)303231293030283032303131283031293029272930
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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FREE! Surf-Forecast.com widget for your website

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.

View detailed surf forecast for Downtowns at:
surf-forecast.com

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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