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Ujung Siging Surf Forecast
/ Sumatra – Mainland (12 surf breaks) /
Surf Forecasts:
Ujung Siging surfForecast / Sumatra – Mainland / Indonesia
48hr Weather and Surf, issued 12 am Saturday 06 Sep 2025 WIB
How big are the waves at Ujung Siging today?
The current surf forecast for Ujung Siging at 3AM is: 1.6m 15s primary swell from a South-southwest direction and 0.3m 9s secondary swell from a West-northwest direction, 0.9m 6s secondary swell from a South-southeast direction (forecast issued at 12:00am September 06). The wind direction is predicted to be cross-shore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (06 Sep) | 5ft (1.6m) | 15s |
| Afternoon (06 Sep) | 5ft (1.5m) | 15s |
| Evening (06 Sep) | 4.5ft (1.4m) | 14s |
Table - waves today at Ujung Siging. (Swell directed towards the surf break)
Saturday 06 | Sunday 07 | Monday 08 | ||||||||||||||||||||||
| 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 | 4 PM | 7 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 16 | 16 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 18 | 18 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
| Energy (?) | 1588 | 1453 | 1252 | 1191 | 1080 | 1090 | 1077 | 962 | 973 | 991 | 1000 | 967 | 780 | 806 | 1199 | 1389 | 1811 | 1914 | 2105 | 2049 | 3025 | 2943 | 2886 | 2972 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | cross- off | cross | cross | cross | cross- off | glass | glass | cross- off | cross- off | glass | glass | cross- on | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross- off | cross- off |
High Tide / height (m) | 5:35AM 1.05 | 6:34PM 0.78 | 6:18AM 1.11 | 7:02PM 0.91 | 6:58AM 1.14 | |||||||||||||||||||
Low Tide / height (m) | 10:59PM 0.41 | 12:31PM 0.17 | 11:56PM 0.32 | 12:56PM 0.12 | 12:44AM 0.23 | 1:22PM 0.08 | ||||||||||||||||||
Saturday 06 | Sunday 07 | Monday 08 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:01 | - | - | - | - | - | - | - | 6:00 | - | - | - | - | - | - | - | 6:00 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:01 | - | - | - | - | - | - | - | 6:01 | - | - | - | - | - | - | - | 6:01 | - |
 | | |  | | | |  |  |  | |  | |  | | | | | | | | | | | |
Rain (mm) | 5 | 4 | 6 | 6 | 5 | 4 | 3 | 10 | 11 | 5 | 4 | 3 | 5 | 7 | 7 | 4 | 2 | 2 | 1 | 1 | 5 | 5 | 5 | 7 |
| Temp. °C | 26 | 26 | 25 | 26 | 27 | 27 | 26 | 24 | 23 | 24 | 24 | 25 | 25 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 27 | 28 | 27 | 26 |
| Feels °C (?) | 29 | 29 | 28 | 29 | 29 | 29 | 28 | 28 | 27 | 28 | 27 | 29 | 29 | 28 | 28 | 29 | 28 | 28 | 29 | 29 | 30 | 31 | 31 | 30 |
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Live Wave Height (m)
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Sumatra - Mainland
Continuing clean conditions at Ujung Siging (calm at Soekarno-Hatta International Airport 278 km from Ujung Siging). 1.4m 15s groundswell from the SSW with a 1.4m 6s windswell from the SSE. 2 swells combining to make bigger set waves.
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