Belongas surfForecast / Lombok – South / Indonesia

information circle12 Day Weather and Surf, issued 1 pm Saturday 10 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
29.2° 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 Sunday (Jan 11) at 5PM. The primary swell is predicted to be 1.2m and 11s period with a secondary swell of 0.1m and 16s. Another secondary swell of 0.9m and 6s is also forecast. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Belongas in the next 12 days are 1.2m 14s and forecast to arrive on Saturday (Jan 17) at 2PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 6s period and expected on Wednesday (Jan 14) at 2AM.

Wave TypeTime (WITA) & Date Wave Height & Period
Next good surf (1 star+) 5PM (Sun 11th Jan)4ft (1.2m) 11s
Best Surf 5PM (Sun 11th Jan)4ft (1.2m) 11s
Most Powerful 2PM (Sat 17th Jan)4ft (1.2m) 14s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Heavy rain (total 49mm), heaviest during Sun morning. Warm (max 28°C on Sun afternoon, min 25°C on Sun night). Wind will be generally light.

Days 3-6 Weather Summary Heavy rain (total 92mm), heaviest during Thu night. Warm (max 27°C on Tue afternoon, min 24°C on Thu night). Mainly fresh winds.

Sat
10
Sunday
11
Monday
12
Tuesday
13
Wednesday
14
Thursday
15
Friday
16
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
1
1
1
2
1
1
1
1
1
0
0
0
0
0
0
1
1
0
1
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.3
SSW
1.3
SSW
1.3
SSW
1.2
SSW
1.2
SSW
1.1
SSW
1.1
SSW
1.1
SSW
1
SSW
1
SSW
0.9
SSW
0.5
SW
0.8
SW
0.7
SW
0.8
SW
0.9
SW
1.1
SW
1.1
SW
1.1
SW
1.1
SW
1.1
SW
Period(s) (?)121212111111111110101018161515141414141414
Wave
Graph
(?)Metric surfscale
Energy kJ (?)543508483353340281275256198190154160318223326272464520459459459
Wind
(km/h)
15
WNW
15
WNW
15
W
20
NNW
20
NNW
20
NNW
10
NNW
20
N
15
NW
20
W
30
W
30
W
30
W
30
W
30
W
25
W
25
WNW
25
W
25
W
30
W
25
W
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
offoffoffoffoffcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
2:37PM
2.30
2:35AM
1.88
3:15PM
2.21
3:21AM
1.64
4:02PM
2.10
4:35AM
1.43
5:06PM
2.01
7:11AM
1.36
6:34PM
1.99
9:02AM
1.47
7:53PM
2.06
9:47AM
1.61
8:50PM
2.20
10:18AM
1.76
Low Tide
/ height (m)
8:52PM
0.85
8:37AM
0.74
9:49PM
0.96
9:08AM
0.93
11:07PM
1.03
9:46AM
1.11
12:57AM
0.99
11:03AM
1.25
2:27AM
0.84
1:09PM
1.29
3:18AM
0.66
2:31PM
1.20
3:55AM
0.49
Sat
10
Sunday
11
Monday
12
Tuesday
13
Wednesday
14
Thursday
15
Friday
16
Sunrise--6:05--6:05--6:05--6:05--6:07--6:07--6:07
Sunset6:40--6:40--6:40--6:42--6:42--6:42--6:42--
thunderstorm
thunderstorm
mod rain
thunderstorm
mod rain
mod rain
thunderstorm
light rain
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
mod rain
thunderstorm
mod rain
thunderstorm
thunderstorm
thunderstorm
Rain (mm)
578587324510531461031831726
Temp. °C272727282626262627272727272727262626262726
Feels °C (?)282929292829282928282727252727262726272727
  • 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 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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