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Surf Forecasts:

Belongas surfForecast / Lombok – South / Indonesia

information circle12 Day Weather and Surf, issued 1 am Monday 19 Jan 2026 WITA
Forecast update in hr  min  s Forecast update imminent
Belongas surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Belongas sea temperature is
29.1° C
 (Which is normal for this time of year)

Best Forecast Surf Conditions for Belongas this week:

The surf forecast for Belongas over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Jan 22) at 2AM. The primary swell is predicted to be 2.4m and 17s period with a secondary swell of 1.3m and 8s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Belongas in the next 12 days are 2.4m 18s and forecast to arrive on Wednesday (Jan 21) at 11PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 6s period and expected on Tuesday (Jan 20) at 5AM.

Wave TypeTime (WITA) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Thu 22nd Jan)8ft (2.4m) 17s
Best Surf 2AM (Thu 22nd Jan)8ft (2.4m) 17s
Most Powerful11PM (Wed 21st Jan)8ft (2.4m) 18s

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

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

Short Range Forecast Heavy rain (total 92mm), heaviest during Wed afternoon. Warm (max 28°C on Mon morning, min 25°C on Wed morning). Winds decreasing (fresh winds from the W on Tue night, light winds from the NW by Wed night).

Days 3-6 Weather Summary Heavy rain (total 29mm), heaviest during Thu afternoon. Warm (max 29°C on Sat afternoon, min 25°C on Thu afternoon). Winds decreasing (strong winds from the W on Thu night, calm by Sat night).

Monday
19
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Saturday
24
Sunday
25
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
2
2
2
1
0
2
2
2
4
4
2
1
3
3
3
3
2
2
2
2
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.4
SW
1.6
SW
1.7
SSW
1.7
SSW
1.5
SSW
2.4
SW
1.4
SSW
1.7
SSW
2.4
SSW
2.2
SSW
2.1
SSW
1.9
SSW
1.5
SSW
1.5
SSW
1.7
SSW
1.4
SW
1.4
SW
1.2
SW
0.7
SW
0.8
SSW
1.2
SSW
Period(s) (?)151516141414201817161514141314131312191817
Wave
Graph
(?)Metric surfscale
Energy kJ (?)88110741305103490820961528178032602447197214358337451111732647435380399771
Wind
(km/h)
20
W
25
W
25
W
25
WSW
25
WSW
30
W
25
W
20
WSW
10
NW
15
NW
35
W
25
WNW
20
N
25
NNW
25
NNW
15
N
20
NNW
10
W
10
NW
15
W
25
W
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		cross-
off		crosscrosscross-
off		cross-
off		crossoffoffcross-
off		cross-
off		offoffoffoffoffcross-
off		offcross-
off		cross-
off
High Tide
/ height (m)
11:12AM
2.05
10:45PM
2.60
11:38AM
2.18
11:17PM
2.66
12:04PM
2.30
11:48PM
2.66
12:31PM
2.40
12:20AM
2.60
12:58PM
2.47
12:52AM
2.48
1:26PM
2.51
1:26AM
2.30
1:57PM
2.51
2:04AM
2.07
Low Tide
/ height (m)
4:38PM
0.82
5:24AM
0.14
5:11PM
0.72
5:50AM
0.11
5:45PM
0.64
6:16AM
0.12
6:18PM
0.58
6:42AM
0.17
6:54PM
0.56
7:08AM
0.27
7:32PM
0.56
7:35AM
0.40
8:14PM
0.61
Monday
19
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Saturday
24
Sunday
25
Sunrise6:09--6:09--6:09--6:09--6:11--6:11--6:11--
Sunset-6:43--6:43--6:43--6:43--6:43--6:43--6:44-
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
mod rain
thunderstorm
mod rain
mod rain
thunderstorm
thunderstorm
thunderstorm
thunderstorm
rain showers
thunderstorm
thunderstorm
thunderstorm
thunderstorm
Rain (mm)
-564219192710177332114314
Temp. °C282827282827262526272726272827282927282828
Feels °C (?)292828292828262525302623292925302831313028
  • 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 Belongas 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 Belongas at:
surf-forecast.com

Information about the Belongas Surf forecast

The above surf forecast table for Belongas provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Belongas can be found by selecting the local surf guide option on the grey menu. Our Belongas 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 (Belongas) 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 Belongas 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.

Belongas is 32 km (20 miles) from Mataram. If you plan a holiday in South Coast of Lombok, look for hotels and other accommodation in Mataram. Mataram has rooms for a wide range of budgets as well as car hire and transport links.

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