Boa Surf Break

Boa Surf Forecast and Surf Report

Lat Long: 10.93° S 122.86° E

Issued: 7 pm 17 Jun 2026 (local time)

Forecast update in  hr  min

Today's Boa sea temperature is
28.0° 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 17 Jun 2026:

  • Most powerful swell: Tuesday 23 Jun, 11AM (local time) - 3.5ft (1.0m), 16s period, SW swell with 468 kJ wave energy.

Best Forecast Surf Conditions for Boa this week:

The most powerful waves expected at Boa in the next 16 days are 1.0m 16s and forecast to arrive on Tuesday (Jun 23) at 11AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.4m 8s period and expected on Sunday (Jun 21) at 2AM.

Wave TypeTime (WITA) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful11AM (Tue 23rd Jun)3.5ft (1.0m) 16s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 27°C on Thu morning, min 25°C on Wed night). Mainly fresh winds.

Days 5-7 Weather Summary

Light rain (total 3mm), mostly falling on Sun night. Warm (max 27°C on Sun morning, min 26°C on Sat night). Mainly fresh winds.

Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wed
24
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
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
Height Map
Wave
Height (m)
Direction
Period (s)
0.6
SW
14
0.6
SW
14
0.7
SW
13
0.8
SW
9
1
SW
8
0.8
SW
8
1.1
S
7
0.4
SW
18
0.6
SW
17
0.8
SW
16
0.8
SW
16
0.9
SW
16
0.9
SW
15
0.8
SW
15
0.9
SW
15
0.9
SW
15
1
SW
16
1
SW
14
1
SW
14
0.8
SW
14
0.8
SW
14
Wave Graph
Metric surfscale
Energy kJ
164
114
173
93
113
73
110
112
186
318
357
406
365
305
355
355
468
371
393
293
297
Wind (km/h)
20
ESE
25
SE
25
SE
20
SE
20
SE
25
ESE
30
ESE
35
ESE
30
ESE
35
ESE
35
ESE
30
ESE
35
E
35
ESE
30
E
30
E
30
E
30
ESE
30
E
25
ESE
30
ESE
Wind State
cross-on
cross-on
cross-on
cross-on
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
cross-on
cross-on
High Tide
00:44AM2.61m
12:27PM3.30m
1:28AM2.64m
1:14PM3.11m
2:13AM2.65m
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
Low Tide
6:16AM0.78m
7:08PM0.05m
7:06AM0.81m
7:50PM0.22m
7:58AM0.88m
8:32PM0.44m
8:54AM0.98m
9:13PM0.67m
9:57AM1.07m
9:57PM0.90m
11:10AM1.12m
10:48PM1.12m
12:32PM1.09m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
thunderstorm
clear
clear
rain showers
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:03
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>
5:32
5:34
5:34
5:34
5:34
5:34
5:35
5:35
 mm
1
2
Temp °C
26
27
27
26
26
26
26
27
27
26
27
27
26
27
27
26
27
27
26
27
27
Feels °C
26
26
26
25
25
25
24
24
24
23
24
25
24
24
24
24
26
25
25
26
26
Swell 1
Height (m)
Direction
Period (s)
0.6
SW
14
0.6
SW
14
0.7
SW
13
0.8
SW
9
1
SW
8
0.7
S
7
1.1
S
7
0.7
S
7
0.6
SW
17
0.8
SW
16
0.8
SW
16
0.9
SW
16
0.9
SW
15
0.8
SW
15
0.9
SW
15
0.9
SW
15
1
SW
16
1
SW
14
1
SW
14
0.8
SW
14
0.8
SW
14
Energy kJ
164
114
173
93
113
47
110
47
186
318
357
406
365
305
355
355
468
371
393
293
297
Swell 2
Height (m)
Direction
Period (s)
0.3
SW
7
0.4
SW
13
0.5
SW
13
0.8
SW
8
0.4
SW
12
0.4
SW
18
0.5
S
7
0.4
SSW
6
Energy kJ
8
61
82
73
54
112
24
13
Swell 3
Height (m)
Direction
Period (s)
0.4
E
7
0.1
SW
21
0.4
SW
13
0.2
SSW
19
0.4
SW
12
0.3
SW
12
Energy kJ
14
18
59
37
52
22
Wind waves
Height (m)
Direction
Period (s)
0.9
E
7
0.8
ESE
7
0.9
ESE
7
0.9
SE
4
0.7
ESE
7
0.8
ESE
4
1.2
ESE
6
1.8
ESE
6
2.1
ESE
7
2.4
ESE
8
2.3
ESE
7
2.1
ESE
7
2.1
ESE
8
1.9
ESE
7
1.6
ESE
7
1.5
ESE
7
1.6
ESE
7
1.3
ESE
7
1.1
ESE
8
0.9
ESE
7
1
ESE
8
Energy kJ
86
65
66
27
49
22
97
280
397
644
531
444
509
376
232
206
245
191
143
91
120
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
2
2
2
2
3
3
3
3
4
3
3
2
3
4
3
3
3
3
Distance (km)
125
125
125
125
125
125
336
545
543
336
545
443
336
336
125
336
445
131
336
445
543
Best forecast wave conditions in Timor
Rating
(10 max)
2
2
2
2
2
2
2
3
Best forecast wave conditions in Indonesia
Rating
(10 max)
4
4
3
3
4
3
3
3
4
4
4
4
4
4
4
4
4
4
3
3
3
Header Global
Rating
(10 max)
4
5
9
6
6
6
4
7
5
9
4
9
9
8
6
6
5
5
5
5
9
  • 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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