Treasure Island surfForecast / Banyak Islands / Indonesia

information circle12 Day Weather and Surf, issued 6 pm Monday 01 Dec 2025 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
29.1° C
(Which is slightly warmer than usual)


Best Forecast Surf Conditions for Treasure Island this week:

The surf forecast for Treasure Island over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Dec 02) at 1AM. The primary swell is predicted to be 0.9m and 16s period with a secondary swell of 0.6m and 12s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Treasure Island in the next 12 days are 1.3m 16s and forecast to arrive on Tuesday (Dec 02) at 7AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.2m 6s period and expected on Sunday (Dec 07) at 4PM.

Wave TypeTime (WIB) & Date Wave Height & Period
Next good surf (1 star+) 1AM (Tue 2nd Dec)3ft (0.9m) 16s
Best Surf 7AM (Tue 2nd Dec)4.5ft (1.3m) 16s
Most Powerful 7AM (Tue 2nd Dec)4.5ft (1.3m) 16s

Table - best surf conditions forecast for Treasure Island over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Light rain (total 4mm), mostly falling on Mon night. Warm (max 28°C on Mon afternoon, min 27°C on Mon night). Wind will be generally light.

Days 3-6 Weather Summary Light rain (total 3mm), mostly falling on Thu night. Warm (max 28°C on Thu afternoon, min 26°C on Thu night). Wind will be generally light.

Mon
01
Tuesday
02
Wednesday
03
Thursday
04
Friday
05
Saturday
06
Sunday
07
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
2
2
3
3
3
2
2
2
2
2
1
1
1
1
0
1
1
1
2
2
2
Swell
Height Map
Wave Height (m) & direction (?)
1
SW
0.9
SSW
1.3
SSW
1.3
SSW
1.3
SSW
1.2
SW
1.2
SW
1.1
SW
1
SW
1
SW
0.9
SW
0.9
SW
0.7
SW
0.7
SW
0.7
SW
0.7
SW
0.7
SW
0.4
SW
0.6
SSW
0.6
SW
0.7
SW
Period(s) (?)131616151414141414131313131313131218181716
Wave
Graph
(?)Metric surfscale
Energy kJ (?)342436811750691614606469373352249238167167167167149114211224264
Wind
(km/h)
10
SSW
5
WSW
5
S
5
W
0
WNW
5
NE
10
WSW
5
WNW
5
NE
5
W
5
WSW
0
NNW
10
SW
10
SSW
5
ESE
10
WSW
5
WSW
0
NE
5
WNW
5
NW
5
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
offglasscross-
off
glassglasscross-
off
cross-
off
glasscross-
off
offglassoffoffcross-
on
offglassglasscross-
off
glassglass
High Tide
/ height (m)
3:22AM
0.51
4:14PM
0.73
4:20AM
0.50
4:59PM
0.80
5:13AM
0.49
5:43PM
0.85
6:02AM
0.47
6:27PM
0.88
6:48AM
0.46
7:12PM
0.88
7:34AM
0.44
7:58PM
0.85
8:21AM
0.43
Low Tide
/ height (m)
9:52PM
0.21
9:28AM
0.08
10:50PM
0.13
10:10AM
0.05
11:41PM
0.07
10:52AM
0.02
12:29AM
0.02
11:33AM
-0.01
1:16AM
0.00
12:15PM
-0.01
2:02AM
0.01
12:56PM
0.01
2:49AM
0.04
Mon
01
Tuesday
02
Wednesday
03
Thursday
04
Friday
05
Saturday
06
Sunday
07
Sunrise--6:18--6:18--6:20--6:20--6:20--6:20--6:20
Sunset6:19--6:19--6:20--6:20--6:21--6:21--6:21--
clear
thunderstorm
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
rain showers
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
cloud
light rain
part cloud
Rain (mm)
-4--------3--------1-
Temp. °C282827282727282827282827282827282827272727
Feels °C (?)313231323131313231323232313131313232303031
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Treasure Island Surf forecast

The above surf forecast table for Treasure Island provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Treasure Island can be found by selecting the local surf guide option on the grey menu. Our Treasure Island 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 (Treasure Island) 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 Treasure Island 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 Banyak Islands? If you are looking for accommodation near Treasure Island, camping, hotels and holiday cottages in Banyak Islands, consider staying in Afia which is 86 km (53 miles) away.

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