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Surf Forecasts:
Treasure Island surfForecast / Banyak Islands / Indonesia
48hr Weather and Surf, issued 6 pm Monday 20 Apr 2026 WIBForecast 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
30.4° C
(Which is slightly warmer than usual)How big are the waves at Treasure Island today?
The current surf forecast for Treasure Island at 3AM is: 0.7m 15s primary swell from a South-southwest direction and 0.7m 12s secondary swell from a West-southwest direction, 0.2m 8s secondary swell from a West direction (forecast issued at 06:00pm April 20). The wind direction is predicted to be cross-shore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Apr) | 2.5ft (0.8m) | 14s |
| Afternoon (21 Apr) | 2.5ft (0.7m) | 14s |
| Evening (21 Apr) | 2.5ft (0.7m) | 13s |
Table - waves today at Treasure Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | |||||||||||||||||||||
| 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) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 16 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 19 | 12 | 18 | 18 | 18 | 17 | 16 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 144 | 144 | 144 | 142 | 188 | 268 | 264 | 213 | 158 | 156 | 156 | 154 | 154 | 151 | 82 | 80 | 214 | 73 | 104 | 160 | 225 | 142 | 186 | 366 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross | cross | cross | cross | cross- off | cross- off | cross- off | cross- on | cross- on | cross- on | cross- off | cross- off | glass | off | off | cross- off | glass | glass | glass | on | cross- on | glass |
High Tide / height (m) | 8:11PM 0.49 | 8:41AM 0.80 | 8:53PM 0.43 | 9:29AM 0.74 | 9:43PM 0.37 | 10:26AM 0.67 | ||||||||||||||||||
Low Tide / height (m) | 2:29PM 0.03 | 1:44AM -0.00 | 3:18PM 0.08 | 2:18AM 0.04 | 4:18PM 0.14 | 2:55AM 0.10 | ||||||||||||||||||
Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:24 | - | - | - | - | - | - | - | 6:24 | - | - | - | - | - | - | - | 6:22 | - | - |
| Sunset | 6:34 | - | - | - | - | - | - | - | 6:34 | - | - | - | - | - | - | - | 6:34 | - | - | - | - | - | - | - |
 |  | | | |  | |  |  |  | | |  |  | | | |  | | | | | | | |
Rain (mm) | - | 1 | 5 | 5 | 5 | 7 | 7 | 3 | - | - | - | - | - | - | 2 | 1 | 1 | - | 2 | 2 | 2 | - | - | - |
| Temp. °C | 29 | 29 | 28 | 28 | 27 | 27 | 26 | 25 | 25 | 26 | 26 | 27 | 27 | 28 | 27 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 28 |
| Feels °C (?) | 31 | 31 | 30 | 29 | 27 | 29 | 29 | 27 | 27 | 28 | 27 | 30 | 31 | 32 | 32 | 32 | 31 | 31 | 33 | 33 | 31 | 31 | 31 | 33 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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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