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Surf Forecasts:
Treasure Island surfForecast / Banyak Islands / Indonesia
48hr Weather and Surf, issued 6 pm Thursday 21 May 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
30.6° C
(Which is slightly warmer than usual)How big are the waves at Treasure Island today?
The current surf forecast for Treasure Island at 2AM is: 1.1m 16s primary swell from a Southwest direction and 0.6m 7s secondary swell from a West direction (forecast issued at 06:00pm May 21). An open ocean swell of 0.2m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 May) | 3.5ft (1.1m) | 15s |
| Afternoon (22 May) | 3.5ft (1.0m) | 14s |
| Evening (22 May) | 3.5ft (1.1m) | 15s |
Table - waves today at Treasure Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 7mm), mostly falling on Thu night. Warm (max 29°C on Thu afternoon, min 28°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Thu 21 | Friday 22 | Saturday 23 | Sun 24 | |||||||||||||||||||||
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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SW 15 | SW 15 | SW 15 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SSW 14 | SSW 13 | SSW 13 | |
479 | 472 | 492 | 532 | 532 | 499 | 472 | 346 | 459 | 536 | 543 | 551 | 574 | 544 | 496 | 443 | 437 | 437 | 450 | 456 | 450 | 328 | 313 | 309 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | glassy | cross-off | cross-off | cross-off | glassy | cross | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | |
High Tide | 9:55PM0.39m | 10:20AM0.70m | 11:07PM0.39m | 11:21AM0.63m | 00:33AM0.42m | 12:30PM0.57m | ||||||||||||||||||
Low Tide | 4:25PM0.12m | 3:00AM0.13m | 5:32PM0.15m | 4:03AM0.21m | 6:44PM0.17m | 5:44AM0.28m | ||||||||||||||||||
 |  |  |  | |  | | | | | | | |  | | | | | | | | | |  | |
 | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — |
 | 6:32 | — | — | — | — | — | — | — | 6:32 | — | — | — | — | — | — | — | 6:34 | — | — | — | — | — | — | 6:34 |
— | — | — | 2 | 2 | — | — | — | — | — | — | — | 2 | — | — | — | — | — | — | — | — | — | — | 1 | |
Temp °C | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 |
30 | 30 | 32 | 31 | 31 | 31 | 32 | 32 | 33 | 32 | 33 | 32 | 32 | 31 | 32 | 32 | 31 | 30 | 30 | 31 | 31 | 31 | 31 | 29 | |
Swell 1 Height (m) Direction Period (s) | SW 15 | SW 15 | SW 15 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SSW 14 | SSW 13 | SSW 13 |
 kJ | 479 | 472 | 492 | 532 | 532 | 499 | 472 | 346 | 459 | 536 | 543 | 551 | 574 | 544 | 496 | 443 | 437 | 437 | 450 | 456 | 450 | 328 | 313 | 309 |
Swell 2 Height (m) Direction Period (s) | SSW 11 | S 11 | W 7 | NNW 7 | WNW 7 | W 7 | W 7 | W 7 | W 7 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | SW 6 | W 8 | W 8 | W 8 | W 8 | WNW 9 | WNW 9 |
| kJ | 25 | 22 | 23 | 5 | 37 | 36 | 37 | 37 | 38 | 54 | 57 | 57 | 43 | 44 | 46 | 45 | 46 | 1 | 48 | 33 | 34 | 36 | 58 | 65 |
Swell 3 Height (m) Direction Period (s) | W 15 | NNW 7 | S 11 | S 11 | S 11 | S 11 | S 10 | SW 17 | SSW 17 | W 15 | W 15 | NW 8 | NW 8 | W 8 | NNW 9 | NNW 8 | NNW 8 | S 7 | S 6 | SSW 6 | NNW 9 | NNW 9 | SW 6 | — |
| kJ | 4 | 5 | 21 | 21 | 9 | 9 | 8 | 75 | 117 | 4 | 4 | 3 | 3 | 28 | 8 | 7 | 7 | 1 | 1 | 3 | 9 | 8 | 1 | — |
Wind waves Height (m) Direction Period (s) | WNW 6 | WNW 6 | NW 4 | W 7 | NW 4 | — | — | — | — | — | — | — | — | — | — | — | — | WNW 8 | WNW 3 | NW 3 | NW 4 | NW 4 | NW 4 | NW 4 |
| kJ | 36 | 33 | 5 | 34 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | 51 | 4 | 6 | 6 | 5 | 3 | 2 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 178 | 148 | 148 | 0 | 0 | 0 | 9 | 0 | 0 | 0 | 0 | 0 | 148 | 9 | 9 | 178 | 178 | 178 | 148 | 178 | 148 | 148 | 178 | 178 |
Best forecast wave conditions in Banyak Islands | ||||||||||||||||||||||||
Best forecast wave conditions in Indonesia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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