Reef
left
Level 6/10

Kolbano

West Timor, Indonesia
🪸Sharp reef

Kolbano is a left reef break on the south-facing coast of West Timor, intercepting Indian Ocean groundswell that wraps around the southern Indonesian archipelago. The wave should be offshore in the NE trade winds during the dry season, providing clean conditions on S-SW swell. As one of the least-surfed quality breaks in Indonesia, it offers genuine discovery potential for adventurous surfers willing to explore beyond the beaten track.

10-Day Forecast
Thu6
30
Poor
0.7m@15s
14km/h
Fri7
30
Poor
0.8m@16s
14km/h
Sat8
44
Poor
0.9m@16s
13km/h
Sun9
44
Poor
0.9m@16s
12km/h
Mon10
30
Poor
0.8m@16s
10km/h
Tue11
44
Poor
1.0m@15s
11km/h
Wed12
30
Poor
0.8m@15s
13km/h
Thu13
30
Poor
0.7m@14s
16km/h
Fri14
30
Poor
0.7m@14s
16km/h
Sat15
0
Poor
0.8m@9s
12km/h
5+ days out, less certain

Today's Conditions

Find Flights
Best session: MorningAM 12 km/h · PM 14 km/h · Tide at 9am (0.7m)
Swell
0.7m
SW(219°)
Score: 2/25
Period
15s
Long period groundswell
Score: 25/25
Wind
14km/h
ENE(78°)
Score: 5/25
Weather
25°C
0.0mm33%
First light 5:26amSunrise 5:56amSunset 5:39pmLast light 6:09pm
Windswell0.4m@2sSecondary0.4mConfidence
100%

Location & Conditions

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

Hourly Forecast, Tide & Strike Windows

Strike window: 6:37am–1:07pm · through lowIdeal tide: 0.5–1.5m
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
°C
21°
26°
27°
26°
23°
21°
26°
27°
27°
24°
21°
27°
28°
27°
24°
20°
26°
28°
27°
24°
21°
26°
29°
27°
24°
21°
26°
27°
26°
24°
24°
26°
28°
28°
25°
25°
27°
28°
28°
26°
25°
27°
28°
27°
25°
25°
27°
28°
28°
24°
2m1.0
sec
15s
15s
15s
15s
15s
16s
16s
16s
16s
16s
16s
16s
16s
16s
16s
16s
16s
16s
16s
16s
16s
16s
16s
16s
16s
15s
15s
15s
15s
15s
15s
15s
15s
15s
15s
14s
14s
14s
14s
14s
14s
14s
14s
14s
14s
9s
9s
9s
9s
9s
swell
windkm/h
8g23
16g41
17g43
16g43
13g33
8g21
15g38
18g47
16g41
10g30
9g22
13g33
17g44
16g42
9g28
8g18
11g28
14g37
15g42
9g36
7g21
7g25
14g34
13g39
7g32
3g13
8g22
13g34
17g45
12g46
10g25
11g31
14g40
16g45
15g42
9g30
12g33
18g48
21g56
17g55
13g33
15g37
18g45
18g50
15g50
10g28
12g31
15g40
15g44
9g44
tidem
2:58am2.7m
9:45am0.7m
3:30pm1.9m
9:02pm0.9m
3:37am2.6m
10:48am0.8m
4:43pm1.6m
9:30pm1.2m
4:34am2.5m
12:21pm0.8m
7:06pm1.5m
6:00am2.4m
2:11pm0.7m
9:42pm1.7m
1:07am1.5m
7:53am2.5m
3:33pm0.5m
10:25pm1.9m
3:00am1.4m
9:14am2.6m
4:20pm0.2m
4:04am1.1m
10:15am2.8m
5:01pm0.1m
4:55am0.8m
11:04am2.9m
5:35pm0.0m
5:38am0.6m
11:48am3.0m
6:06pm0.0m
6:17am0.4m
Ideal tideStrike windowNight

Tide times today

2:58 am
High tide - 2.67m
9:45 am
Low tide - 0.66m
3:30 pm
High tide - 1.91m
9:02 pm
Low tide - 0.95m
Times shown in spot-local time.

Strike Score Breakdown

30
Poor
Components
Swell Direction20/25
Swell Size2/25
Swell Period25/25
Wind5/25
Raw Score52/100
Adjustments
🌊💨 Windswell-3
🌊 Tide+3
💨 Gusty Wind-5
🚫 Undersized Capmax 30
Adjusted Score47/100
Confidence
Multiplier×1.00
Final Score30
🌊 Mostly in the tide window

Plan Your Strike

Return flights to KOE, departing today with a 5-day trip window.

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Swell Requirements

Optimal direction
SSW (212°)
Direction range
195° - 230°
Size range
1.2m - 2.4m
Ideal size
2.0m
Height multiplier
0.92×
Ideal period
14s+

Wind Requirements

Optimal direction
NNE (22°)
Offshore range
352° - 52°

Tide Requirements

Optimal tide
mid
Optimal range
0.5m - 1.5m

Water temp

28°C

Wetsuit

Boardshorts / Rashguard

Difficulty

6/10

Crowd level

4/10

Frequently Asked Questions

What tide is best at Kolbano?

Kolbano works best on a mid tide, ideally between 0.5m and 1.5m on the local tide chart. The tide chart above shows today’s strike window.

What wind direction is offshore at Kolbano?

Offshore wind at Kolbano blows from the NNE (22°). Anything in the 352° to 52° range grooms the faces; outside it, expect chop or bumpy conditions.

What swell size and direction work best at Kolbano?

Kolbano wants SSW swell (195° to 230°) between 1.2m and 2.4m, with a period of 14s or more for quality waves.

When is the best time of year to surf Kolbano?

The main season at Kolbano is Apr-Oct. A secondary window runs Nov, Dec, Jan, Feb, Mar. Best Apr-Oct (dry season, SE trades offshore). Swells year-round but wet season brings onshore winds.

How do I get to Kolbano?

Fly into KOE, then allow about 120 minutes by road.

What kind of wave is Kolbano?

Kolbano is a reef break, a left-hander. Difficulty is rated 6/10.

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
KOE
Drive time
120 min
Data quality
community

Strike Log

Community Discussion