- Forecast
- Maps
- Live
- Weather State
- Spot Information
Surf Forecasts:
Treasure Island surfForecast / Banyak Islands / Indonesia
48hr Weather and Surf, issued 12 pm Wednesday 17 Sep 2025 WIB
How big are the waves at Treasure Island today?
The current surf forecast for Treasure Island at 4PM is: 1.3m 15s primary swell from a South-southwest direction and 0.4m 7s secondary swell from a West direction (forecast issued at 12:00pm September 17). The wind direction is predicted to be glassy and the swell rating is 3.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Sep) | 4.5ft (1.3m) | 15s |
| Afternoon (17 Sep) | 4.5ft (1.3m) | 15s |
| Evening (17 Sep) | 4ft (1.2m) | 14s |
Table - waves today at Treasure Island. (Swell directed towards the surf break)
Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | |||||||||||||||||||||
| 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 | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 14 | 14 | 14 | 14 | 16 | 16 | 17 | 17 | 18 | 17 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 794 | 763 | 752 | 697 | 594 | 585 | 585 | 487 | 474 | 460 | 421 | 347 | 342 | 342 | 362 | 384 | 389 | 394 | 217 | 240 | 360 | 377 | 751 | 734 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | glass | glass | off | off | off | cross | glass | cross- on | cross- off | cross- off | cross- off | cross- off | cross | cross- on | cross | cross | cross- off | cross- off | cross- off | cross- off | cross | cross | cross |
High Tide / height (m) | 4:00PM 0.33 | 4:00AM 0.63 | 4:48PM 0.42 | 4:49AM 0.67 | 5:21PM 0.51 | 5:26AM 0.70 | ||||||||||||||||||
Low Tide / height (m) | 9:14PM 0.22 | 11:14AM 0.12 | 10:24PM 0.17 | 11:40AM 0.09 | 11:10PM 0.13 | |||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:20 | - | - | - | - | - | - | - | 6:20 | - | - | - | - | - | - | - | 6:20 |
| Sunset | - | - | 6:28 | - | - | - | - | - | - | - | 6:28 | - | - | - | - | - | - | - | 6:28 | - | - | - | - | - |
 |  | |  |  |  | | | | | |  | | | | | | |  | | | | |  | |
Rain (mm) | - | - | - | - | - | 1 | 2 | - | - | - | - | - | 2 | 2 | 1 | - | - | - | - | - | 1 | 2 | - | 1 |
| Temp. °C | 27 | 27 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 27 | 27 | 28 |
| Feels °C (?) | 31 | 32 | 32 | 31 | 31 | 32 | 31 | 31 | 31 | 32 | 31 | 31 | 30 | 30 | 30 | 29 | 29 | 30 | 29 | 30 | 31 | 29 | 29 | 29 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Banyak Islands
Continuing clean conditions at Treasure Island (light winds from the ESE at KualanamuMedan 238 km from Treasure Island). 0.8m 14s groundswell from the SSW with a 0.3m 11s groundswell from the SW and a 0.2m 7s swell from the W. 3 swells combining to make bigger set waves.
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.
Nearest