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Surf Forecasts

Downtowns surfForecast / Sumbawa / Indonesia

information circle12 Day Weather and Surf, issued 7 pm Thursday 12 Jun 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
28.8° C
 (Which is 1.1°C warmer than 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 Friday (Jun 13) at 2AM. The primary swell is predicted to be 1.9m and 16s period with a secondary swell of 0.9m and 6s. Another secondary swell of 1.6m and 6s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Downtowns in the next 12 days are 1.9m 16s and forecast to arrive on Friday (Jun 13) at 2AM. 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 7s period and expected on Monday (Jun 16) at 11AM.

Wave TypeTime (WITA) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Fri 13th Jun)6ft (1.9m) 16s
Best Surf 2AM (Fri 13th Jun)6ft (1.9m) 16s
Most Powerful 2AM (Fri 13th Jun)6ft (1.9m) 16s

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

Hourly12 Days
Sumbawa Surf
Print Surf Table
Updates in  hr  min  s Forecast update imminent 
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tue
24
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
4
4
4
3
3
3
3
2
3
3
3
3
4
4
3
3
3
2
2
2
3
4
3
4
4
3
3
3
4
4
4
4
4
4
4
4
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.9
SW
1.9
SW
1.7
SW
1.6
SW
1.4
SW
1.3
SSW
1.2
SSW
1.1
SW
0.9
SSW
1.5
SSW
1.7
SSW
1.6
SW
1.5
SSW
1.1
SSW
1.5
SSW
1.5
SSW
1.4
SSW
1.3
SSW
1.3
SSW
1
SSW
0.8
SW
1.6
SW
1.8
SW
1.8
SW
1.8
SW
1.6
SW
1.7
SSW
1.7
SSW
1.3
SSW
1.5
SSW
2.4
SSW
2.4
SSW
2.3
SSW
2.1
SSW
2
SSW
1.8
SSW
Period(s) (?)161615141313131317161515161816151413131219171616151414141818181717161615
Wave
Graph
(?)Metric surfscale
Energy (?)214519151523126310838966846279961259133312931407148411701002927616615614759166715711543134311191126126119742394351334162893215521881621
Wind
(km/h)
10
ESE
5
SE
10
ESE
10
ESE
5
SE
10
ESE
5
ESE
5
SE
10
ESE
10
ESE
15
SE
15
ESE
10
ESE
10
SE
20
SE
10
ESE
15
SSE
20
SE
10
ESE
10
SSE
20
SE
10
ESE
10
SSE
15
SE
10
SE
10
SE
15
ESE
15
ESE
15
SE
20
SE
15
ESE
10
SE
15
ESE
10
ESE
10
SE
10
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		glassoffoffglasscross-
off		cross-
off		cross-
off		offoffcross-
off		cross-
off		cross-
off		cross-
off		cross-
off		offcross-
off		cross-
off		cross-
off		cross-
off		cross-
off		offcrosscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		offcross-
off		offoffcross-
off		glass
High Tide
/ height (m)
1:04AM
1.03
11:09AM
1.74
1:44AM
1.03
11:44AM
1.72
2:27AM
1.04
12:20PM
1.67
3:11AM
1.07
1:00PM
1.59
3:53AM
1.13
1:46PM
1.46
4:34AM
1.21
2:48PM
1.30
5:13AM
1.31
4:21PM
1.13
5:52AM
1.43
6:17PM
1.02
6:33AM
1.55
8:06PM
0.98
7:17AM
1.67
9:35PM
1.00
8:03AM
1.78
10:42PM
1.02
8:51AM
1.86
Low Tide
/ height (m)
4:34AM
0.90
6:54PM
0.09
5:06AM
0.91
7:30PM
0.13
5:44AM
0.93
8:06PM
0.18
6:34AM
0.96
8:42PM
0.26
7:42AM
0.99
9:19PM
0.36
9:13AM
0.97
9:56PM
0.47
11:04AM
0.88
10:35PM
0.60
12:50PM
0.70
11:18PM
0.71
2:06PM
0.48
12:06AM
0.81
3:04PM
0.26
1:01AM
0.88
3:55PM
0.08
1:58AM
0.91
4:43PM
-0.04
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tue
24
Sunrise-6:24--6:24--6:24--6:24--6:24--6:24--6:24--6:26--6:26--6:26--6:26--6:26-
Sunset--6:00--6:00--6:00--6:00--6:00--6:01--6:01--6:01--6:01--6:02--6:02--6:02
clearclearthunderstorm thunderstorm clearthunderstorm thunderstorm part cloudthunderstorm thunderstorm part cloudclearclearclearclearpart cloudclearclearclearclearclearclearclearrain showersrain showerspart cloudpart cloudpart cloudclearclearclearclearclearclearclearclear
Rain (mm)
--27-42-11-------------21-----------
Temp. °C272828262828262728262728262829262728252727252627252728262829262829252829
Feels °C (?)293132293232293131282930283030272827262827262828272929272929272930262931

Short Range Forecast: Moderate rain (total 16mm), heaviest on Sat afternoon. Warm (max 28°C on Fri morning, min 25°C on Thu night). Wind will be generally light.

Days 3-6 Weather Summary Some drizzle, heaviest during Sun night. Warm (max 29°C on Tue afternoon, min 24°C on Tue night). Wind will be generally light.

Days 6-9 Weather Summary Light rain (total 3mm), mostly falling on Fri afternoon. Warm (max 28°C on Sat afternoon, min 24°C on Wed night). Wind will be generally light.

Long Range Forecast: Mostly dry. Warm (max 29°C on Sun afternoon, min 24°C on Mon night). Wind will be generally light.

  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
<span class="translation_missing" title="translation missing: en.leaflet.map_placeholder_alt">Map Placeholder Alt</span>
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View detailed surf forecast for Downtowns at:
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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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