Reef
left
Level 5/10

Grupuk Bay (Don Don)

S Lombok, Indonesia
🪸Sharp reef🚶Difficult access

Grupuk Bay hosts multiple surf breaks accessible by local boat, with Don Don being one of the standout lefts in the collection. The bay setting on Lombok's south coast provides a sheltered environment with several reef breaks offering different characteristics depending on swell and tide. The local boat shuttle system from Grupuk village makes access easy and affordable, creating a surf camp atmosphere popular with traveling surfers.

10-Day Forecast
Today
21
22
Poor
1.4m
@12s
19km/h
Mon
22
22
Poor
1.1m
@12s
16km/h
Tue
23
47
Fair
1.1m
@15s
19km/h
Wed
24
36
Poor
1.1m
@15s
24km/h
Thu
25
11
Poor
1.1m
@15s
24km/h
Fri
26
2
Poor
1.0m
@14s
24km/h
Sat
27
1
Poor
1.0m
@15s
20km/h
Sun
28
56
Fair
1.6m
@17s
22km/h
Mon
29
34
Poor
2.2m
@16s
23km/h
Tue
30
45
Fair
1.9m
@15s
19km/h

Today's Conditions

Find Flights
Swell
1.4m
SSE(154°)
Score: 17/25
Period
12s
Medium period swell
Score: 14/25
Wind
19km/h
ESE(115°)
Score: 1/25
Weather
28°C
0.1mm16%
Windswell Component
0.5mESE@3s
Secondary Swell
0.7mS
Forecast Confidence
100%
Sources: open-meteo-marine, open-meteo-weather
Best Session
morning
AM: 11 km/h E|PM: 22 km/h SE
11 km/h vs 22 km/h afternoon

Location & Conditions

Loading map...
0°45°90°135°180°225°270°315°NESW
Swell
Wind
View in OpenStreetMap
Showing forecast for today

Tide Times

1:52 am
High tide - 1.27m
7:45 am
Low tide - -0.20m
1:52 pm
High tide - 1.29m
8:10 pm
Low tide - -0.42m
Times shown in spot-local time.

Strike Score Breakdown

22
Poor
Components
Swell Direction3/25
Swell Size17/25
Swell Period14/25
Wind1/25
Raw Score35/100
Adjustments
🌊 Tide-3
⚠️ Weak Component-10
Adjusted Score22/100
Confidence
Multiplier×1.00
Final Score22
🌊 Too low for this tide window👥 Semester Break
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Spot Details

Swell Requirements

Optimal direction
SSW (205°)
Direction range
190° - 220°
Size range
0.9m - 1.8m
Ideal size
1.6m
Height multiplier
0.90×
Ideal period
14s+

Wind Requirements

Optimal direction
N (0°)
Offshore range
330° - 30°

Tide Requirements

Optimal tide
mid to high
Optimal range
0.7m - 1.8m

Water temp

28°C

Wetsuit

Boardshorts / Rashguard

Difficulty

5/10

Crowd level

4/10

👥 Semester Break (Jun 20Jul 12) — expect extra crowds

Best Season

Peak: Apr-Oct

Secondary: Nov, Dec, Jan, Feb, Mar

Best Apr-Oct (dry season, SE trades offshore). Swells year-round but wet season brings onshore winds.

Getting There

Airport
LOP
Drive time
60 min
Data quality
verified

Strike Log

Community Discussion