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Surf Forecasts:
Nungas surfForecast / Sumbawa / Indonesia
48hr Weather and Surf, issued 7 pm Thursday 18 Sep 2025 WITA
How big are the waves at Nungas today?
The current surf forecast for Nungas at 12AM is: 1.8m 13s primary swell from a Southwest direction (forecast issued at 07:00pm September 18). An open ocean swell of 0.3m 4s is not directed at the surf break, a second open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (WITA) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Sep) | 5ft (1.6m) | 13s |
| Afternoon (19 Sep) | 5ft (1.5m) | 12s |
| Evening (19 Sep) | 4ft (1.2m) | 12s |
Table - waves today at Nungas. (Swell directed towards the surf break)
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | |||||||||||||||||||||
| 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 16 | 17 | 17 | 16 | 16 | 17 | 16 | 16 | 15 | 15 | 15 | 15 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1509 | 1235 | 1110 | 1134 | 1030 | 943 | 784 | 669 | 488 | 421 | 384 | 489 | 424 | 424 | 1408 | 795 | 1012 | 1335 | 1425 | 1972 | 1415 | 2126 | 2318 | 2410 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | glass | off | off | cross- off | cross- off | cross- off | cross- off | off | off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | glass | cross- off | cross- off | cross- off | cross |
High Tide / height (m) | 9:10PM 2.05 | 8:43AM 2.39 | 9:38PM 2.32 | 9:28AM 2.58 | 10:03PM 2.56 | 10:04AM 2.71 | ||||||||||||||||||
Low Tide / height (m) | 2:45AM 1.21 | 3:21PM 0.63 | 3:28AM 0.92 | 3:51PM 0.49 | 4:02AM 0.67 | |||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 5:58 | - | - | - | - | - | - | - | 5:56 | - | - | - | - | - | - | - | 5:56 | - | - |
| Sunset | 6:01 | - | - | - | - | - | - | - | 6:01 | - | - | - | - | - | - | - | 6:01 | - | - | - | - | - | - | - |
 |  | |  | |  | | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 27 | 26 | 25 | 25 | 25 | 27 | 29 | 29 | 27 | 26 | 26 | 25 | 25 | 26 | 28 | 29 | 27 | 26 | 25 | 25 | 24 | 26 | 29 | 29 |
| Feels °C (?) | 29 | 29 | 28 | 29 | 28 | 30 | 30 | 30 | 28 | 29 | 28 | 27 | 28 | 28 | 29 | 30 | 29 | 28 | 29 | 29 | 27 | 29 | 32 | 31 |
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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 Sumbawa
The wind is still cross-off at Nungas (light winds from the SE at ASCATC119E9S 76 km from Nungas). A 1.7m groundswell from the SSW
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