Gerpuk Bay - Inside Gerpuk surf break

Gerpuk Bay - Inside Gerpuk surfForecast / Lombok – South / Indonesia

information circle12 Day Weather and Surf, issued 1 am Monday 15 Dec 2025 WITA
Forecast update in hr  min  s Forecast update imminent
Gerpuk Bay - Inside Gerpuk surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Gerpuk Bay - Inside Gerpuk sea temperature is
29.6° C
(Which is slightly warmer than usual)


Best Forecast Surf Conditions for Gerpuk Bay - Inside Gerpuk this week:

The surf forecast for Gerpuk Bay - Inside Gerpuk over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Dec 15) at 8AM. The primary swell is predicted to be 1.2m and 12s period with a secondary swell of 0.6m and 6s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Gerpuk Bay - Inside Gerpuk in the next 12 days are 1.3m 16s and forecast to arrive on Thursday (Dec 18) at 11AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 5s period and expected on Monday (Dec 22) at 8AM.

Wave TypeTime (WITA) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Mon 15th Dec)4ft (1.2m) 12s
Best Surf 5PM (Tue 16th Dec)3.5ft (1.1m) 13s
Most Powerful11AM (Thu 18th Dec)4.5ft (1.3m) 16s

Table - best surf conditions forecast for Gerpuk Bay - Inside Gerpuk over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Heavy rain (total 20mm), heaviest during Mon afternoon. Warm (max 29°C on Mon morning, min 26°C on Mon night). Wind will be generally light.

Days 3-6 Weather Summary Moderate rain (total 17mm), heaviest on Thu night. Warm (max 29°C on Thu afternoon, min 26°C on Thu night). Wind will be generally light.

Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
2
2
2
2
3
3
3
3
3
2
2
2
2
2
2
1
1
2
1
1
1
Swell
Height Map
Wave Height (m) & direction (?)
1.2
SSW
1.2
SSW
1
SSW
1
SW
1.1
SW
1
SW
0.8
SW
0.9
SW
1
SW
1.3
SW
1.3
SW
1.3
SW
1.3
SW
1.3
SW
1.1
SW
1.2
SW
0.9
SW
0.9
SSW
0.9
SSW
0.9
SSW
1.2
SW
Period(s) (?)121111121311161615161514141313121211101010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)353335256273388246314437450864724676648577424435248183163151275
Wind
(km/h)
10
NW
10
NNW
10
WNW
20
WNW
15
WNW
10
N
5
E
5
NNE
5
NNW
5
SE
5
ESE
5
NNE
10
SSE
15
SW
15
WSW
20
WSW
20
WSW
20
W
20
WSW
20
WSW
20
W
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
offoffoffcross-
off
glassglasscross-
off
ononcrosscross-
on
cross-
off
cross-
off
cross-
off
cross-
off
offcross-
off
cross-
off
cross-
off
High Tide
/ height (m)
6:50PM
2.16
8:04AM
1.66
7:41PM
2.24
8:57AM
1.75
8:25PM
2.33
9:37AM
1.84
9:04PM
2.43
10:12AM
1.92
9:40PM
2.52
10:44AM
1.99
10:15PM
2.59
11:16AM
2.05
10:49PM
2.64
Low Tide
/ height (m)
12:01PM
1.13
1:55AM
0.83
1:10PM
1.14
2:42AM
0.66
2:05PM
1.10
3:21AM
0.50
2:50PM
1.03
3:55AM
0.37
3:29PM
0.95
4:28AM
0.27
4:05PM
0.88
5:01AM
0.20
4:40PM
0.83
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Sunrise5:50--5:50--5:50--5:50--5:50--5:52--5:52--
Sunset-6:28--6:29--6:29--6:30--6:30--6:30--6:30-
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
thunderstorm
thunderstorm
thunderstorm
part cloud
thunderstorm
thunderstorm
clear
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
Rain (mm)
24341-132-14--5133338
Temp. °C292827272827282927282928282928292827292927
Feels °C (?)323030293029323331323332313231312929303029
  • 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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Information about the Gerpuk Bay - Inside Gerpuk Surf forecast

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

Grupuk is 26 km (16 miles) from the city of Praya. If you plan a holiday in South Coast of Lombok, 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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