Treasure Island surfForecast / Banyak Islands / Indonesia

information circle48hr Weather and Surf, issued 6 am Saturday 18 Apr 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 1.0°C warmer than normal for this time of year)

How big are the waves at Treasure Island today?

The current surf forecast for Treasure Island at 12PM is: 0.7m 12s primary swell from a Southwest direction and 0.6m 15s secondary swell from a South-southwest direction (forecast issued at 06:00am April 18). The wind direction is predicted to be cross-shore.

Time (WIB) & DateWave HeightWave Period
Morning (18 Apr)2.5ft (0.7m)12s
Afternoon (18 Apr)2ft (0.6m)15s
Evening (18 Apr)2ft (0.6m)15s

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


Updates in  hr  min  s Forecast update imminent
Saturday
18
Sunday
19
Monday
20
Tue
21
4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM
Rating
(10 max)
0
1
0
2
2
2
1
1
1
0
1
2
2
2
2
2
0
0
1
2
2
1
0
2
Swell
Height Map
Wave Height (m) & direction (?)
0.8
SSW
0.8
SSW
0.7
SW
0.6
SSW
0.6
SSW
0.7
SSW
0.6
SSW
0.6
SSW
0.9
SSW
0.9
SW
0.9
SW
0.8
SSW
0.8
SSW
0.8
SSW
0.7
SW
0.7
SW
0.7
SW
0.6
SSW
0.7
SSW
0.6
SSW
0.8
SW
0.6
SSW
0.6
SSW
0.7
SSW
Period(s) (?)121212151515151514141413131313131316161613151515
Wave
Graph
(?)Metric surfscale
Energy kJ (?)187187149142142188142147316280264225219212167167167173229173193144144188
Wind
(km/h)
10
ENE
10
E
10
ESE
10
SSE
10
SSW
10
SW
5
SW
5
NE
10
NE
10
ENE
10
ENE
5
NNE
10
WSW
10
WSW
5
W
10
WNW
15
NNW
15
N
10
N
10
WSW
15
WSW
20
SW
20
W
10
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
crosscross-
off
offoffoffononononglasscross-
off
offcross-
off
cross-
off
cross-
on
cross-
on
cross-
on
cross-
off
offoffcross-
off
cross-
off
High Tide
/ height (m)
6:43AM
0.83
6:54PM
0.61
7:19AM
0.85
7:32PM
0.56
7:58AM
0.84
8:11PM
0.49
Low Tide
/ height (m)
1:03PM
0.01
12:42AM
-0.03
1:45PM
0.01
1:12AM
-0.02
2:29PM
0.03
Saturday
18
Sunday
19
Monday
20
Tue
21
Sunrise-6:24-------6:24-------6:24------
Sunset----6:35-------6:34-------6:34---
part cloud
cloud
clear
thunderstorm
part cloud
thunderstorm
thunderstorm
mod rain
thunderstorm
thunderstorm
cloud
cloud
part cloud
thunderstorm
mod rain
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
mod rain
mod rain
mod rain
Rain (mm)
---1-15731---16141441777
Temp. °C282828282929292827272727282828282827272727272625
Feels °C (?)323231323232333230303031323131313029303029282728
  • 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

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Treasure Island surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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