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Surf Forecasts:
Turtle Island surfForecast / Banyak Islands / Indonesia
48hr Weather and Surf, issued 12 pm Saturday 25 Oct 2025 WIB
How big are the waves at Turtle Island today?
The current surf forecast for Turtle Island at 4PM is: 0.8m 13s primary swell from a Southwest direction and 0.7m 8s secondary swell from a West direction (forecast issued at 12:00pm October 25). The wind direction is predicted to be cross-onshore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Oct) | 2.5ft (0.8m) | 14s |
| Afternoon (25 Oct) | 2.5ft (0.8m) | 13s |
| Evening (25 Oct) | 2.5ft (0.7m) | 13s |
Table - waves today at Turtle Island. (Swell directed towards the surf break)
Saturday 25 | Sunday 26 | Monday 27 | Tuesday 28 | |||||||||||||||||||||
| 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) (?) | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 18 | 18 | 18 | 18 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 261 | 304 | 215 | 212 | 171 | 166 | 132 | 128 | 126 | 154 | 197 | 249 | 246 | 238 | 318 | 432 | 310 | 502 | 496 | 489 | 558 | 605 | 574 | 551 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross- on | cross- on | cross | cross | cross- on | cross | cross- on | glass | cross- on | glass | cross- on | glass | glass | glass | glass | glass | glass | on | on | glass | glass | glass |
High Tide / height (m) | 8:05PM 0.67 | 8:05AM 0.40 | 8:36PM 0.63 | 8:30AM 0.36 | 9:12PM 0.59 | |||||||||||||||||||
Low Tide / height (m) | 1:14PM 0.04 | 2:30AM 0.11 | 1:39PM 0.06 | 3:06AM 0.15 | 2:04PM 0.10 | 3:53AM 0.20 | ||||||||||||||||||
Saturday 25 | Sunday 26 | Monday 27 | Tuesday 28 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:13 | - | - | - | - | - | - | - | 6:13 | - | - | - | - | - | - | - | 6:13 |
| Sunset | - | - | 6:16 | - | - | - | - | - | - | - | 6:16 | - | - | - | - | - | - | - | 6:16 | - | - | - | - | - |
 |  | |  | |  | | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
| Feels °C (?) | 29 | 30 | 30 | 29 | 30 | 30 | 30 | 30 | 31 | 32 | 31 | 32 | 31 | 32 | 32 | 31 | 33 | 32 | 31 | 31 | 31 | 32 | 33 | 32 |
- 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 Turtle Island (light winds from the N.(Wind varies from 340 to 050 degs) at Medan/Polonia Airport 244 km from Turtle Island). 0.7m 14s groundswell from the SW with a 0.5m 10s swell from the S and a 0.3m 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 Turtle 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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