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Treasure Island surfForecast / Banyak Islands / Indonesia
12 Day Weather and Surf, issued 12 pm Wednesday 09 Jul 2025 WIB
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 Wednesday (Jul 09) at 4PM. The primary swell is predicted to be 0.9m and 18s period with a secondary swell of 0.7m and 12s. Another secondary swell of 0.3m and 3s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Treasure Island in the next 12 days are 1.2m 18s and forecast to arrive on Sunday (Jul 13) at 10AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 9s period and expected on Tuesday (Jul 15) at 4AM.
| Wave Type | Time (WIB) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 4PM (Wed 9th Jul) | 3ft (0.9m) 18s |
| Best Surf | 10PM (Wed 9th Jul) | 3.5ft (1.1m) 16s |
| Most Powerful | 10AM (Sun 13th Jul) | 4ft (1.2m) 18s |
Table - best surf conditions forecast for Treasure Island over the next 12 days.
Wednesday 09 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | |||||||||||||||||||||||||
| AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Rating (10 max) | ||||||||||||||||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  |  |  |  |  | ||||||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||||||||||||||
| Period(s) (?) | 13 | 18 | 16 | 15 | 14 | 14 | 14 | 13 | 13 | 20 | 19 | 18 | 18 | 17 | 16 | 16 | 15 | 15 | 14 | 14 | 13 | 13 | 13 | 12 | 18 | 17 | 16 | 19 | 18 | 17 | 16 | 16 | 15 | 15 | 15 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||
| Energy (?) | 427 | 584 | 729 | 634 | 569 | 573 | 558 | 514 | 558 | 510 | 619 | 761 | 820 | 738 | 685 | 485 | 352 | 392 | 447 | 360 | 344 | 433 | 497 | 524 | 551 | 523 | 1083 | 1252 | 1247 | 1237 | 982 | 971 | 786 | 605 | 619 | 489 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- off | cross- off | on | glass | cross- off | on | cross- off | cross- off | cross- on | cross- off | cross | glass | off | cross- on | cross- off | cross- off | off | cross | cross- off | cross | cross | cross- off | cross- off | cross | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 5:45PM 0.37 | 6:07AM 0.71 | 6:24PM 0.39 | 6:43AM 0.75 | 7:01PM 0.43 | 7:18AM 0.78 | 7:38PM 0.46 | 7:52AM 0.79 | 8:16PM 0.50 | 8:26AM 0.79 | 8:56PM 0.53 | 9:00AM 0.76 | 9:39PM 0.56 | 9:37AM 0.71 | 10:26PM 0.58 | 10:17AM 0.63 | 11:20PM 0.59 | 11:03AM 0.54 | 12:23AM 0.60 | 12:02PM 0.45 | 1:37AM 0.62 | 1:26PM 0.38 | 2:54AM 0.65 | |||||||||||||
Low Tide / height (m) | 11:02PM 0.09 | 12:56PM 0.09 | 11:44PM 0.07 | 1:28PM 0.08 | 12:23AM 0.06 | 1:59PM 0.07 | 1:02AM 0.07 | 2:30PM 0.06 | 1:41AM 0.09 | 3:01PM 0.06 | 2:23AM 0.12 | 3:33PM 0.07 | 3:09AM 0.16 | 4:06PM 0.08 | 4:01AM 0.21 | 4:41PM 0.09 | 5:07AM 0.25 | 5:23PM 0.11 | 6:40AM 0.27 | 6:13PM 0.13 | 8:43AM 0.26 | 7:20PM 0.14 | ||||||||||||||
Wednesday 09 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | |||||||||||||||||||||||||
| Sunrise | 6:28 | - | - | 6:28 | - | - | 6:28 | - | - | 6:28 | - | - | 6:28 | - | - | 6:28 | - | - | 6:28 | - | - | 6:28 | - | - | 6:28 | - | - | 6:28 | - | - | 6:28 | - | - | 6:30 | - | - |
| Sunset | - | 6:42 | - | - | 6:43 | - | - | 6:43 | - | - | 6:43 | - | - | 6:43 | - | - | 6:43 | - | - | 6:43 | - | - | 6:43 | - | - | 6:43 | - | - | 6:43 | - | - | 6:43 | - | - | 6:43 | - |
 | |  |  |  | | | |  | | | |  |  | | | | | | |  | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | 2 | 2 | - | 2 | - | - | 10 | 2 | 4 | 16 | 6 | - | 14 | 28 | 28 | 43 | 3 | 6 | - | - | - | - | - | - | - | 1 | 1 | - | 6 | 2 | 11 | 6 | 9 | 15 |
| Temp. °C | 28 | 28 | 28 | 27 | 28 | 28 | 27 | 29 | 28 | 27 | 28 | 27 | 26 | 27 | 26 | 24 | 24 | 25 | 26 | 26 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
| Feels °C (?) | 29 | 31 | 30 | 31 | 32 | 30 | 31 | 31 | 30 | 30 | 31 | 30 | 30 | 30 | 30 | 25 | 26 | 23 | 27 | 26 | 28 | 30 | 30 | 30 | 31 | 30 | 30 | 32 | 30 | 30 | 30 | 31 | 30 | 29 | 29 | 29 |
Short Range Forecast: Moderate rain (total 16mm), heaviest on Fri night. Warm (max 29°C on Fri afternoon, min 26°C on Wed morning). Wind will be generally light. | Days 3-6 Weather Summary Heavy rain (total 141mm), heaviest during Mon afternoon. Warm (max 28°C on Sat afternoon, min 24°C on Mon morning). Winds increasing (calm on Sun night, fresh winds from the WSW by Mon night). | Days 6-9 Weather Summary Light rain (total 9mm), mostly falling on Tue afternoon. Warm (max 28°C on Wed morning, min 26°C on Tue morning). Wind will be generally light. | Long Range Forecast: Heavy rain (total 52mm), heaviest during Sat night. Warm (max 28°C on Fri morning, min 27°C on Sat morning). Winds increasing (light winds from the WNW on Fri morning, fresh winds from the NW by Mon morning). | |||||||||||||||||||||||||||||||||
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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.
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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