Boa Surf Break

Boa Surf Forecast and Surf Report

Lat Long: 10.93° S 122.86° E

Issued: 1 am 20 Jun 2026 (local time)

Forecast update in  hr  min

Today's Boa sea temperature is
27.9° C

Slightly warmer than usual

Boa surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Boa surf forecast from 19 Jun 2026:

  • Most powerful swell: Sunday 21 Jun, 5AM (local time) - 2.5ft (0.8m), 16s period, SW swell with 371 kJ wave energy.

Best Forecast Surf Conditions for Boa this week:

The most powerful waves expected at Boa in the next 16 days are 0.8m 16s and forecast to arrive on Sunday (Jun 21) at 5AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 7s period and expected on Sunday (Jun 21) at 11AM.

Wave TypeTime (WITA) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 5AM (Sun 21st Jun)2.5ft (0.8m) 16s

Table - best surf conditions forecast for Boa over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 4mm), mostly falling on Sat morning. Warm (max 27°C on Sat afternoon, min 26°C on Sat morning). Mainly strong winds.

Days 4-6 Weather Summary

Mostly dry. Warm (max 27°C on Tue morning, min 26°C on Tue afternoon). Mainly fresh winds.

Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.4
SW
18
0.6
SW
17
0.7
SW
16
0.8
SW
16
0.8
SW
16
0.8
SW
15
0.8
SW
15
0.8
SW
15
0.8
SW
14
0.8
SW
16
0.8
SW
15
0.8
SW
14
0.8
SW
14
0.8
SW
15
0.8
SW
14
0.7
SW
14
0.7
SW
13
0.6
SW
13
0.6
SW
13
0.5
SW
13
0.6
SW
14
Wave Graph
Metric surfscale
Energy kJ
112
186
264
357
344
309
305
301
297
348
335
289
297
301
297
181
176
106
103
84
130
Wind (km/h)
40
ESE
35
ESE
35
ESE
40
ESE
35
ESE
35
ESE
35
ESE
30
ESE
35
E
30
ESE
30
ESE
30
E
30
ESE
30
ESE
25
ESE
30
ESE
25
ESE
25
ESE
30
ESE
30
SE
30
E
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
2:02PM2.85m
2:59AM2.64m
2:53PM2.55m
3:48AM2.62m
3:50PM2.26m
4:41AM2.58m
5:02PM2.02m
5:39AM2.54m
6:31PM1.89m
6:40AM2.52m
8:02PM1.89m
7:40AM2.55m
9:11PM1.97m
Low Tide
8:32PM0.44m
8:54AM0.98m
9:13PM0.67m
9:57AM1.07m
9:57PM0.90m
11:10AM1.12m
10:48PM1.12m
12:32PM1.09m
11:50PM1.28m
1:50PM0.98m
1:04AM1.37m
2:50PM0.83m
2:14AM1.37m
rain showers
clear
rain showers
clear
clear
thunderstorm
clear
clear
part cloud
part cloud
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:05
6:05
6:05
6:05
6:05
6:05
6:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:34
5:34
5:34
5:35
5:35
5:35
5:35
 mm
1
1
2
1
Temp °C
26
27
26
26
27
26
27
27
26
27
27
26
27
27
26
27
27
26
27
27
27
Feels °C
23
24
23
22
24
23
23
24
24
25
24
24
25
25
24
25
25
25
25
25
26
Swell 1
Height (m)
Direction
Period (s)
0.5
S
7
0.6
SW
17
0.7
SW
16
0.8
SW
16
0.8
SW
16
0.8
SW
15
0.8
SW
15
0.8
SW
15
0.8
SW
14
0.8
SW
16
0.8
SW
15
0.8
SW
14
0.8
SW
14
0.8
SW
15
0.8
SW
14
0.7
SW
14
0.7
SW
13
0.6
SW
13
0.6
SW
13
0.5
SW
13
0.6
SW
14
Energy kJ
25
186
264
357
344
309
305
301
297
348
335
289
297
301
297
181
176
106
103
84
130
Swell 2
Height (m)
Direction
Period (s)
0.4
SW
18
0.3
SSW
7
0.2
WSW
16
0.3
SW
16
0.3
SW
22
Energy kJ
112
10
26
41
77
Swell 3
Height (m)
Direction
Period (s)
0.4
SW
12
0.3
SW
12
0.1
S
25
0.1
SW
24
0.2
WSW
18
Energy kJ
52
22
12
22
31
Wind waves
Height (m)
Direction
Period (s)
2.2
ESE
7
2.4
ESE
7
2.2
ESE
8
2.5
ESE
7
2.4
ESE
8
2.2
ESE
8
2.1
ESE
7
1.9
ESE
7
2
ESE
7
1.6
ESE
7
1.6
ESE
7
1.6
ESE
6
1.5
ESE
7
1.4
ESE
7
1.3
ESE
5
1.1
ESE
6
1.2
ESE
5
1.1
ESE
5
1.3
ESE
5
2
ESE
7
2
ESE
8
Energy kJ
449
627
531
637
623
582
456
346
403
292
238
212
204
188
85
71
73
61
90
361
452
Nearest Offshore or Glassy
Rating
(10 max)
3
2
3
3
3
3
4
3
3
3
3
3
3
3
2
2
2
1
2
2
2
Distance (km)
545
705
336
545
543
336
443
545
336
545
545
336
543
445
125
125
545
125
545
708
125
Best forecast wave conditions in Timor
Rating
(10 max)
2
2
1
2
Best forecast wave conditions in Indonesia
Rating
(10 max)
3
4
4
4
4
4
4
4
4
4
3
3
3
3
3
3
3
3
3
3
4
Header Global
Rating
(10 max)
4
5
5
8
9
6
8
6
6
5
5
5
7
7
7
5
5
5
5
5
5
  • 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 Boa Surf forecast

The above surf forecast table for Boa provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Boa can be found by selecting the local surf guide option on the grey menu. Our Boa 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 (Boa) 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 Boa 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.

Are you planning a holiday in Timor? If you are looking for accommodation near Boa, camping, hotels and holiday cottages in Timor, consider staying in Kupang which is 104 km (65 miles) away.

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