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Surf Forecasts:
Northern Rights surfForecast / Sumbawa / Indonesia
48hr Weather and Surf, issued 1 pm Wednesday 20 May 2026 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
29.4° C
(Which is 1.1°C warmer than normal for this time of year)How big are the waves at Northern Rights today?
The current surf forecast for Northern Rights at 5PM is: 0.8m 12s primary swell from a South-southwest direction and 0.6m 16s secondary swell from a South-southwest direction (forecast issued at 01:00pm May 20). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (WITA) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | 3.5ft (1.0m) | 12s |
| Afternoon (20 May) | 3ft (0.9m) | 12s |
| Evening (20 May) | 2ft (0.6m) | 16s |
Table - waves today at Northern Rights. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 10mm), heaviest on Wed afternoon. Warm (max 29°C on Wed afternoon, min 25°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Wed 20 | Thursday 21 | Friday 22 | Sat 23 | |||||||||||||||||||||
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 | 11 PM | 2 AM | 5 AM | 8 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
S 12 | SSW 12 | SSW 12 | SSW 16 | SSW 16 | SSW 16 | SW 16 | SW 16 | SW 16 | SSW 15 | SW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | |
289 | 232 | 183 | 179 | 177 | 175 | 261 | 258 | 251 | 204 | 223 | 339 | 339 | 344 | 348 | 291 | 302 | 377 | 362 | 344 | 334 | 334 | 334 | 339 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | cross-off | off | cross-off | cross-off | cross-off | cross-off | off | off | glassy | glassy | glassy | glassy | on | glassy | glassy | on | glassy | glassy | glassy | glassy | glassy | glassy | |
High Tide | 12:21PM1.84m | 3:43AM0.99m | 1:10PM1.70m | 4:59AM1.03m | 2:07PM1.52m | 6:00AM1.11m | ||||||||||||||||||
Low Tide | 8:20PM0.03m | 6:12AM0.94m | 9:16PM0.16m | 7:18AM1.00m | 10:13PM0.29m | |||||||||||||||||||
 | |  |  |  | | | | | | | | | | | | |  | | | | | | | |
 | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — |
 | — | — | 6:00 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | 6:00 |
— | — | 2 | 1 | — | — | 1 | — | — | — | 1 | 2 | 1 | — | — | — | — | — | 1 | 1 | — | — | — | — | |
Temp °C | 28 | 29 | 28 | 27 | 26 | 26 | 26 | 26 | 29 | 29 | 28 | 27 | 26 | 26 | 26 | 26 | 28 | 28 | 28 | 27 | 26 | 25 | 25 | 26 |
31 | 31 | 32 | 31 | 29 | 30 | 30 | 30 | 32 | 32 | 33 | 32 | 31 | 31 | 30 | 31 | 33 | 32 | 33 | 32 | 31 | 30 | 30 | 31 | |
Swell 1 Height (m) Direction Period (s) | S 12 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 11 | SW 16 | SW 16 | SW 16 | SSW 15 | SW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 |
 kJ | 289 | 232 | 183 | 173 | 130 | 128 | 261 | 258 | 251 | 204 | 223 | 339 | 339 | 344 | 348 | 291 | 302 | 377 | 362 | 344 | 334 | 334 | 334 | 339 |
Swell 2 Height (m) Direction Period (s) | SW 17 | SW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 11 | SSW 11 | SSW 11 | SSW 12 | SSW 11 | SE 7 | SE 7 | SE 7 | SE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 4 | SSE 3 | SSE 3 | SSE 3 | SE 6 | SE 6 |
| kJ | 45 | 132 | 181 | 179 | 177 | 175 | 97 | 98 | 100 | 77 | 42 | 14 | 8 | 8 | 8 | 5 | 5 | 5 | 1 | 1 | 1 | 1 | 2 | 1 |
Swell 3 Height (m) Direction Period (s) | SSW 19 | SSE 7 | SE 7 | SE 7 | SE 7 | SE 8 | SE 9 | SE 8 | SE 8 | SE 8 | SE 7 | — | — | — | — | — | — | — | SE 7 | SE 7 | SE 7 | SE 7 | — | — |
| kJ | 74 | 21 | 14 | 13 | 14 | 15 | 12 | 15 | 10 | 14 | 14 | — | — | — | — | — | — | — | 2 | 2 | 2 | 2 | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | NNE 2 | NNE 3 | — | — | — | — | — | — | SE 7 | SE 7 | SE 7 | SE 7 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | 1 | 2 | — | — | — | — | — | — | 26 | 33 | 31 | 16 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Sumbawa | ||||||||||||||||||||||||
Best forecast wave conditions in Indonesia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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