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Way Jambu Surf Forecast
/ Sumatra – Mainland (12 surf breaks) /
Surf Forecasts:
Way Jambu surfForecast / Sumatra – Mainland / Indonesia
48hr Weather and Surf, issued 12 pm Friday 17 Oct 2025 WIB
How big are the waves at Way Jambu today?
The current surf forecast for Way Jambu at 3PM is: 1.6m 15s primary swell from a Southwest direction and 0.1m 14s secondary swell from a West direction, 1.3m 8s secondary swell from a South direction (forecast issued at 12:00pm October 17). The wind direction is predicted to be cross-shore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Oct) | 4.5ft (1.3m) | 16s |
| Afternoon (17 Oct) | 5ft (1.6m) | 15s |
| Evening (17 Oct) | 5ft (1.6m) | 14s |
Table - waves today at Way Jambu. (Swell directed towards the surf break)
Friday 17 | Saturday 18 | Sunday 19 | Monday 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) (?) | 16 | 16 | 15 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 778 | 1193 | 1045 | 1016 | 1016 | 902 | 811 | 671 | 642 | 632 | 632 | 560 | 501 | 501 | 494 | 424 | 418 | 405 | 358 | 301 | 341 | 287 | 287 | 292 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- on | cross | cross | cross- off | off | off | glass | glass | on | cross- on | cross- off | cross- off | glass | cross- off | glass | glass | cross- on | cross- on | glass | cross- off | glass | glass | glass |
High Tide / height (m) | 4:44PM 0.78 | 4:35AM 0.86 | 5:22PM 0.89 | 5:26AM 0.87 | 5:53PM 0.99 | 6:08AM 0.87 | ||||||||||||||||||
Low Tide / height (m) | 10:43PM 0.40 | 11:08AM 0.26 | 11:37PM 0.32 | 11:38AM 0.25 | 12:18AM 0.24 | |||||||||||||||||||
Friday 17 | Saturday 18 | Sunday 19 | Monday 20 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 5:41 | - | - | - | - | - | - | - | 5:41 | - | - | - | - | - | - | - | 5:41 |
| Sunset | - | - | 5:55 | - | - | - | - | - | - | - | 5:55 | - | - | - | - | - | - | - | 5:55 | - | - | - | - | - |
 |  |  |  | | |  | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | 1 | 4 | 4 | 2 | - | - | - | - | 2 | 2 | 1 | 2 | 1 | - | - | - | 1 | 3 | 3 | 1 | 1 | - |
| Temp. °C | 29 | 29 | 29 | 27 | 27 | 26 | 26 | 26 | 28 | 28 | 28 | 26 | 26 | 25 | 25 | 26 | 28 | 29 | 28 | 27 | 26 | 26 | 26 | 26 |
| Feels °C (?) | 31 | 30 | 32 | 30 | 31 | 30 | 30 | 30 | 33 | 31 | 32 | 30 | 30 | 29 | 29 | 30 | 33 | 33 | 32 | 32 | 30 | 31 | 31 | 30 |
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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 Sumatra - Mainland
Continuing clean conditions at Way Jambu (light winds from the W at TanjungKarangRadinInten II 132 km from Way Jambu). 1.8m 7s swell from the SSE with a 1.1m 13s groundswell from the SSW and a 0.9m 16s long period groundswell, also from the SSW as well as a 0.7m 16s long period groundswell, also from the SW. 4 swells combining so expect closeout sets.
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