Nazare Big Wave Challenge Gets Yellow Alert, Could Run Saturday in Giant Waves
70-foot plus waves predicted for Portuguese big wave tow surfing competition.
Surf Forecasts:
Jackals surfForecast / Simeulue Island / Indonesia
48hr Weather and Surf, issued 12 pm Sunday 14 Dec 2025 WIBForecast update in hr min s Forecast update imminent
Jackals surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Jackals sea temperature is
29.2° C
(Which is slightly warmer than usual)How big are the waves at Jackals today?
The current surf forecast for Jackals at 2PM is: 0.9m 9s primary swell from a Southwest direction and 0.5m 12s secondary swell from a South-southwest direction, 0.5m 3s secondary swell from a Northwest direction (forecast issued at 12:00pm December 14). The wind direction is predicted to be cross-onshore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Dec) | 2ft (0.6m) | 13s |
| Afternoon (14 Dec) | 3.5ft (1.0m) | 9s |
| Evening (14 Dec) | 4.5ft (1.3m) | 8s |
Table - waves today at Jackals. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | |||||||||||||||||||||
| 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 | 10 PM | 1 AM | 4 AM | 7 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 9 | 9 | 9 | 8 | 8 | 12 | 8 | 8 | 11 | 14 | 11 | 14 | 14 | 13 | 18 | 18 | 18 | 18 | 17 | 16 | 16 | 16 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 93 | 118 | 183 | 220 | 222 | 179 | 136 | 122 | 93 | 123 | 103 | 121 | 99 | 123 | 225 | 225 | 255 | 255 | 252 | 305 | 390 | 386 | 386 | 437 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross | cross | glass | glass | glass | glass | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross- off | cross | cross | off | off | glass |
High Tide / height (m) | 3:36PM 0.45 | 3:07AM 0.33 | 4:19PM 0.49 | 4:09AM 0.31 | 4:56PM 0.52 | 5:01AM 0.30 | ||||||||||||||||||
Low Tide / height (m) | 10:25PM 0.23 | 9:23AM 0.14 | 11:21PM 0.18 | 10:01AM 0.12 | 12:02AM 0.14 | |||||||||||||||||||
Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:30 | - | - | - | - | - | - | - | 6:30 | - | - | - | - | - | - | - | 6:31 |
| Sunset | - | - | 6:28 | - | - | - | - | - | - | - | 6:29 | - | - | - | - | - | - | - | 6:29 | - | - | - | - | - |
 | |  |  | |  | | | | | | | |  | |  | | | | | | |  | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 4 | 3 | 2 | 1 | 1 | - | 3 | 5 | 3 | - |
| Temp. °C | 24 | 25 | 26 | 25 | 26 | 26 | 26 | 26 | 27 | 28 | 28 | 27 | 27 | 26 | 25 | 25 | 26 | 27 | 28 | 27 | 26 | 25 | 24 | 25 |
| Feels °C (?) | 25 | 26 | 28 | 27 | 30 | 31 | 30 | 31 | 31 | 31 | 31 | 30 | 30 | 29 | 28 | 29 | 29 | 30 | 31 | 30 | 29 | 28 | 27 | 29 |
- Map Icons:
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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