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:
Northern Rights surfForecast / Sumbawa / Indonesia
48hr Weather and Surf, issued 7 pm Friday 19 Dec 2025 WITAForecast update in hr min s Forecast update imminent
Northern Rights surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Northern Rights sea temperature is
29.3° C
(Which is normal for this time of year)How big are the waves at Northern Rights today?
The current surf forecast for Northern Rights at 2AM is: 0.7m 13s primary swell from a South-southwest direction (forecast issued at 07:00pm December 19). An open ocean swell of 0.2m 5s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (WITA) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Dec) | 2.5ft (0.7m) | 12s |
| Afternoon (20 Dec) | 2.5ft (0.8m) | 12s |
| Evening (20 Dec) | 3ft (0.9m) | 11s |
Table - waves today at Northern Rights. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | |||||||||||||||||||||
| 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) (?) | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 15 | 15 | 10 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 158 | 156 | 154 | 149 | 138 | 131 | 167 | 156 | 138 | 167 | 130 | 130 | 128 | 121 | 118 | 127 | 116 | 104 | 114 | 77 | 77 | 77 | 78 | 83 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | cross- off | glass | glass | on | on | on | on | cross | on | on | on | glass | glass | on | on | on | on | on | on | on | on | on | on |
High Tide / height (m) | 9:53PM 1.67 | 12:38PM 1.03 | 10:28PM 1.70 | 1:11PM 1.02 | 11:02PM 1.70 | 1:44PM 1.03 | ||||||||||||||||||
Low Tide / height (m) | 3:28PM 0.93 | 5:41AM 0.07 | 4:00PM 0.92 | 6:15AM 0.06 | 4:31PM 0.92 | 6:49AM 0.08 | ||||||||||||||||||
Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 5:50 | - | - | - | - | - | - | - | 5:50 | - | - | - | - | - | - | - | 5:52 | - | - |
| Sunset | 6:28 | - | - | - | - | - | - | - | 6:29 | - | - | - | - | - | - | - | 6:29 | - | - | - | - | - | - | - |
 |  |  | |  |  | | | |  | | | | | | | | | | | | |  | | |
Rain (mm) | 5 | 1 | - | - | - | - | - | 1 | 4 | 1 | 1 | 1 | - | - | - | - | - | 1 | - | - | - | - | - | 1 |
| Temp. °C | 27 | 26 | 26 | 26 | 26 | 27 | 28 | 28 | 27 | 27 | 27 | 26 | 26 | 27 | 28 | 29 | 29 | 27 | 27 | 26 | 26 | 27 | 29 | 29 |
| Feels °C (?) | 30 | 30 | 30 | 30 | 30 | 30 | 31 | 31 | 31 | 30 | 31 | 29 | 30 | 31 | 31 | 31 | 32 | 30 | 31 | 29 | 29 | 30 | 31 | 29 |
- 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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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Northern Rights surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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