Treasure Island surfForecast / Banyak Islands / Indonesia

information circle48hr Weather and Surf, issued 6 pm Thursday 21 May 2026 WIB
Forecast update in hr  min  s Forecast update imminent
Treasure Island surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Treasure Island sea temperature is
30.6° C
(Which is slightly warmer than usual)

How big are the waves at Treasure Island today?

The current surf forecast for Treasure Island at 2AM is: 1.1m 16s primary swell from a Southwest direction and 0.6m 7s secondary swell from a West direction (forecast issued at 06:00pm May 21). An open ocean swell of 0.2m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.

Time (WIB) & DateWave HeightWave Period
Morning (22 May)3.5ft (1.1m)15s
Afternoon (22 May)3.5ft (1.0m)14s
Evening (22 May)3.5ft (1.1m)15s

Table - waves today at Treasure Island. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 7mm), mostly falling on Thu night. Warm (max 29°C on Thu afternoon, min 28°C on Thu night). Wind will be generally light.

Thu
21
Friday
22
Saturday
23
Sun
24
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
Rating
(10 max)
0
1
1
2
2
2
1
2
2
2
2
2
1
0
1
1
1
1
1
1
1
1
0
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.1
SW
15
1.1
SW
15
1.1
SW
15
1.1
SW
16
1.1
SW
16
1.1
SW
15
1.1
SW
15
0.9
SW
14
1.1
SW
14
1.1
SW
14
1.1
SW
15
1.1
SW
15
1.1
SW
15
1.1
SW
15
1.1
SW
15
1.1
SW
14
1.1
SW
14
1.1
SW
14
1.1
SW
14
1.1
SW
14
1.1
SW
14
0.9
SSW
14
0.9
SSW
13
0.9
SSW
13
Wave Graph
Metric surfscale
Energy kJ
479
472
492
532
532
499
472
346
459
536
543
551
574
544
496
443
437
437
450
456
450
328
313
309
Wind (km/h)
20
NW
20
WNW
20
WNW
15
WNW
10
W
5
WNW
5
NNW
5
WNW
5
NW
10
WNW
5
WNW
5
NW
10
NW
15
N
10
N
15
NW
20
NW
20
WNW
20
WNW
20
WNW
20
WNW
20
NW
20
NW
20
NW
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross
glassy
cross-off
cross-off
cross-off
glassy
cross
cross-on
cross-on
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
High Tide
9:55PM0.39m
10:20AM0.70m
11:07PM0.39m
11:21AM0.63m
00:33AM0.42m
12:30PM0.57m
Low Tide
4:25PM0.12m
3:00AM0.13m
5:32PM0.15m
4:03AM0.21m
6:44PM0.17m
5:44AM0.28m
clear
part cloud
cloud
thunderstorm
thunderstorm
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
thunderstorm
cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:20
6:20
6:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:32
6:32
6:34
6:34
2
2
2
1
Temp °C
29
29
29
28
28
28
28
28
29
29
29
28
28
28
28
29
29
29
29
29
29
29
29
29
30
30
32
31
31
31
32
32
33
32
33
32
32
31
32
32
31
30
30
31
31
31
31
29
Swell 1
Height (m)
Direction
Period (s)
1.1
SW
15
1.1
SW
15
1.1
SW
15
1.1
SW
16
1.1
SW
16
1.1
SW
15
1.1
SW
15
0.9
SW
14
1.1
SW
14
1.1
SW
14
1.1
SW
15
1.1
SW
15
1.1
SW
15
1.1
SW
15
1.1
SW
15
1.1
SW
14
1.1
SW
14
1.1
SW
14
1.1
SW
14
1.1
SW
14
1.1
SW
14
0.9
SSW
14
0.9
SSW
13
0.9
SSW
13
Energy kJ
479
472
492
532
532
499
472
346
459
536
543
551
574
544
496
443
437
437
450
456
450
328
313
309
Swell 2
Height (m)
Direction
Period (s)
0.3
SSW
11
0.3
S
11
0.5
W
7
0.2
NNW
7
0.6
WNW
7
0.6
W
7
0.6
W
7
0.6
W
7
0.6
W
7
0.7
W
8
0.7
W
8
0.7
W
8
0.6
W
8
0.6
W
8
0.6
W
8
0.6
W
8
0.6
W
8
0.1
SW
6
0.6
W
8
0.5
W
8
0.5
W
8
0.5
W
8
0.6
WNW
9
0.7
WNW
9
Energy kJ
25
22
23
5
37
36
37
37
38
54
57
57
43
44
46
45
46
1
48
33
34
36
58
65
Swell 3
Height (m)
Direction
Period (s)
0.1
W
15
0.2
NNW
7
0.3
S
11
0.3
S
11
0.2
S
11
0.2
S
11
0.2
S
10
0.4
SW
17
0.4
SSW
17
0.1
W
15
0.1
W
15
0.1
NW
8
0.1
NW
8
0.5
W
8
0.2
NNW
9
0.2
NNW
8
0.2
NNW
8
0.1
S
7
0.1
S
6
0.2
SSW
6
0.2
NNW
9
0.2
NNW
9
0.1
SW
6
Energy kJ
4
5
21
21
9
9
8
75
117
4
4
3
3
28
8
7
7
1
1
3
9
8
1
Wind waves
Height (m)
Direction
Period (s)
0.7
WNW
6
0.6
WNW
6
0.4
NW
4
0.6
W
7
0.3
NW
4
0.6
WNW
8
0.4
WNW
3
0.5
NW
3
0.5
NW
4
0.4
NW
4
0.4
NW
4
0.3
NW
4
Energy kJ
36
33
5
34
3
51
4
6
6
5
3
2
Nearest Offshore or Glassy
Rating
(10 max)
2
3
3
2
2
2
3
2
2
2
2
2
4
3
3
2
2
2
3
2
3
3
2
2
Distance (km)
178
148
148
0
0
0
9
0
0
0
0
0
148
9
9
178
178
178
148
178
148
148
178
178
Best forecast wave conditions in Banyak Islands
Rating
(10 max)
2
2
2
3
3
2
2
2
2
3
3
Best forecast wave conditions in Indonesia
Rating
(10 max)
3
3
4
4
4
4
3
3
3
3
4
4
4
3
3
3
3
3
3
3
3
3
3
2
Header Global
Rating
(10 max)
5
5
5
5
5
5
5
7
7
7
6
6
7
8
6
7
8
8
7
7
6
6
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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