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:
Gilligans surfForecast / Mentawi Islands / Indonesia
48hr Weather and Surf, issued 6 am Wednesday 17 Dec 2025 WIBForecast update in hr min s Forecast update imminent
Gilligans surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Gilligans sea temperature is
29.4° C
(Which is slightly warmer than usual)How big are the waves at Gilligans today?
The current surf forecast for Gilligans at 1PM is: 1.1m 16s primary swell from a Southwest direction and 0.8m 7s secondary swell from a West direction (forecast issued at 06:00am December 17). The wind direction is predicted to be cross-offshore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Dec) | 3.5ft (1.0m) | 16s |
| Afternoon (17 Dec) | 3.5ft (1.1m) | 15s |
| Evening (17 Dec) | 4ft (1.2m) | 15s |
Table - waves today at Gilligans. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 17 | Thursday 18 | Friday 19 | Sat 20 | |||||||||||||||||||||
| 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 | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 432 | 489 | 532 | 532 | 605 | 589 | 714 | 695 | 685 | 746 | 529 | 606 | 469 | 573 | 465 | 347 | 304 | 299 | 295 | 295 | 281 | 241 | 309 | 218 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross | cross | cross- off | cross- off | cross | cross- off | cross- off | cross- off | cross | cross | cross | cross- on | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide / height (m) | 4:18AM 0.51 | 4:38PM 0.91 | 5:05AM 0.52 | 5:16PM 0.95 | 5:47AM 0.53 | 5:53PM 0.97 | ||||||||||||||||||
Low Tide / height (m) | 9:33AM 0.22 | 11:40PM 0.18 | 10:16AM 0.20 | 12:13AM 0.13 | 10:57AM 0.17 | 12:46AM 0.10 | ||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | Sat 20 | |||||||||||||||||||||
| Sunrise | - | 6:05 | - | - | - | - | - | - | - | 6:07 | - | - | - | - | - | - | - | 6:07 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:23 | - | - | - | - | - | - | - | 6:23 | - | - | - | - | - | - | - | 6:24 | - | - | - |
 |  | | | | | | | | |  | |  | | | | | | | |  |  | | | |
Rain (mm) | 2 | 2 | 1 | 1 | 3 | 1 | 1 | 1 | 2 | 2 | - | - | - | 1 | 2 | 3 | 3 | 1 | 1 | 1 | - | - | - | 2 |
| Temp. °C | 25 | 25 | 26 | 26 | 27 | 27 | 26 | 26 | 25 | 26 | 26 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 27 | 28 | 28 | 27 | 27 | 26 |
| Feels °C (?) | 28 | 28 | 28 | 28 | 29 | 29 | 28 | 28 | 26 | 28 | 28 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 29 | 30 | 30 | 29 | 30 | 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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