Reef
left
Level 9/10

Banana Island Left

South Sumatra (Krui), Indonesia
🪸Sharp reef🚶Difficult access😮‍💨Hold-downs🏝️Remote

Banana Island Left is a fickle but heavy left reef break accessed by 15-minute boat ride from Krui on the south coast of Sumatra. The wave is a tube master's playground when it fires, producing sucky, pitching barrels over shallow reef in warm, clear water. Its fickle nature—requiring specific off-season W winds—keeps crowds minimal and rewards patient surfers who time their visit right. Expert surfing skills are essential.

3-Day Forecast
Today
30
62
Fair
1.4m
@13s
6km/h
Tue
31
43
Poor
1.0m
@13s
10km/h
Wed
1
44
Poor
1.0m
@13s
7km/h
+7
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Today's Conditions

Swell
1.4m
S(180°)
Score: 10/25
Period
13s
Medium period swell
Score: 23/25
Wind
6km/h
S(170°)
Score: 18/25
Weather
30°C
0.0mm86%
Secondary Swell
0.2mSW
Forecast Confidence
100%
Sources: open-meteo-marine, open-meteo-weather
Best Session
morning
AM: 4 km/h NE|PM: 8 km/h SSW
Lighter winds early (4 km/h)
Tide at 5am (0.7m)

Location & Conditions

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0°45°90°135°180°225°270°315°NESW
Swell
Wind
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Showing forecast for today

Tide Times

5:00 am
High tide - 0.71m
10:37 am
Low tide - 0.27m
4:45 pm
High tide - 0.91m
Times shown in spot-local time.

Strike Score Breakdown

62
Fair
Components
Swell Direction11/25
Swell Size10/25
Swell Period23/25
Wind18/25
Raw Score62/100
Confidence
Multiplier×1.00
Final Score62

Spot Details

Swell Requirements

Optimal direction
SSW (205°)
Direction range
190° - 220°
Size range
1.2m - 2.4m
Ideal size
2.1m
Height multiplier
0.97×
Ideal period
14s+

Wind Requirements

Optimal direction
W (270°)
Offshore range
240° - 300°

Tide Requirements

Optimal tide
mid
Optimal range
0.5m - 1.5m

Water temp

28°C

Wetsuit

Boardshorts / Rashguard

Difficulty

9/10

Crowd level

4/10

Access: Drive from Bandar Lampung (~6hr)

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
TKG
Drive time
240 min
Data quality
verified

Strike Log

Community Discussion