Using Surf-Forecast’s Historical Surf Data To Find The Most Consistent Waves On Earth
Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
Periscope Point surfForecast / Sumbawa / Indonesia
48hr Weather and Surf, issued 1 am Sunday 21 Dec 2025 WITAForecast update in hr min s Forecast update imminent
Periscope Point surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Periscope Point sea temperature is
29.9° C
(Which is slightly warmer than usual)How big are the waves at Periscope Point today?
The current surf forecast for Periscope Point at 5AM is: 1.2m 11s primary swell from a Southwest direction and 0.3m 8s secondary swell from a West-southwest direction, 0.3m 2s secondary swell from a Southwest direction (forecast issued at 01:00am December 21). The wind direction is predicted to be cross-onshore.
| Time (WITA) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Dec) | 3.5ft (1.1m) | 11s |
| Afternoon (21 Dec) | 3.5ft (1.1m) | 10s |
| Evening (21 Dec) | 3ft (0.9m) | 10s |
Table - waves today at Periscope Point. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 21 | Monday 22 | Tuesday 23 | ||||||||||||||||||||||
| 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 | 5 PM | 8 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 12 | 14 | 14 | 11 | 11 | 11 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 354 | 347 | 341 | 347 | 258 | 253 | 243 | 204 | 178 | 178 | 178 | 174 | 174 | 204 | 227 | 289 | 367 | 362 | 347 | 311 | 318 | 352 | 406 | 412 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | glass | glass | glass | cross- on | cross- on | cross- on |
High Tide / height (m) | 10:24PM 2.80 | 11:24AM 2.25 | 10:57PM 2.85 | 11:55AM 2.30 | 11:29PM 2.86 | 12:26PM 2.33 | ||||||||||||||||||
Low Tide / height (m) | 5:09AM 0.25 | 4:51PM 0.92 | 5:41AM 0.22 | 5:25PM 0.90 | 6:12AM 0.23 | 5:59PM 0.90 | ||||||||||||||||||
Sunday 21 | Monday 22 | Tuesday 23 | ||||||||||||||||||||||
| Sunrise | - | - | - | 5:45 | - | - | - | - | - | - | - | 5:45 | - | - | - | - | - | - | - | 5:46 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:22 | - | - | - | - | - | - | - | 6:22 | - | - | - | - | - | - | - | 6:23 | - |
 | | |  | | | |  | | | |  | | | | |  | | |  | | | | | |
Rain (mm) | - | - | - | - | - | - | - | 1 | - | 1 | 1 | 2 | 1 | 1 | 1 | 1 | - | - | - | - | - | 1 | 2 | 3 |
| Temp. °C | 26 | 26 | 26 | 27 | 30 | 30 | 29 | 27 | 27 | 26 | 26 | 27 | 30 | 30 | 29 | 27 | 27 | 27 | 26 | 28 | 30 | 30 | 29 | 27 |
| Feels °C (?) | 31 | 30 | 30 | 31 | 33 | 33 | 32 | 31 | 31 | 29 | 30 | 30 | 33 | 32 | 32 | 31 | 31 | 32 | 31 | 33 | 34 | 33 | 33 | 31 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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