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 12 pm Friday 12 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
29.5° C
(Which is slightly warmer than usual)How big are the waves at Gilligans today?
The current surf forecast for Gilligans at 6PM is: 0.7m 14s primary swell from a South-southwest direction and 0.8m 12s secondary swell from a Southwest direction (forecast issued at 12:00pm December 12). An open ocean swell of 0.4m 4s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Dec) | 3ft (0.9m) | 13s |
| Afternoon (12 Dec) | 3ft (0.9m) | 12s |
| Evening (12 Dec) | 2.5ft (0.7m) | 14s |
Table - waves today at Gilligans. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | |||||||||||||||||||||
| 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 | 15 | 12 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 9 | 9 | 9 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 265 | 246 | 212 | 218 | 215 | 215 | 210 | 187 | 198 | 192 | 208 | 192 | 183 | 175 | 169 | 169 | 184 | 144 | 123 | 123 | 207 | 325 | 304 | 234 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross | cross | cross- off | cross | cross | cross- off | cross | cross | cross- on | cross- on | cross | cross | cross- off | off | cross- off | glass | cross- on | cross- on | cross- on | cross- on | cross | cross | cross |
High Tide / height (m) | 11:55PM 0.70 | 1:25PM 0.74 | 1:01AM 0.61 | 2:24PM 0.79 | 2:13AM 0.55 | |||||||||||||||||||
Low Tide / height (m) | 5:55PM 0.39 | 6:26AM 0.22 | 7:38PM 0.41 | 7:13AM 0.24 | 9:13PM 0.37 | |||||||||||||||||||
Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:05 | - | - | - | - | - | - | - | 6:05 | - | - | - | - | - | - | - | 6:05 |
| Sunset | - | - | 6:21 | - | - | - | - | - | - | - | 6:22 | - | - | - | - | - | - | - | 6:22 | - | - | - | - | - |
 |  | |  | |  | | | |  | | | | | |  | | | |  | | | | | |
Rain (mm) | 3 | - | - | 1 | 3 | 6 | 5 | 3 | 5 | 8 | 11 | 12 | 4 | 4 | 8 | 1 | 1 | 4 | 1 | 3 | 5 | 5 | 4 | 5 |
| Temp. °C | 26 | 27 | 27 | 26 | 26 | 26 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 23 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
| Feels °C (?) | 28 | 28 | 30 | 29 | 29 | 28 | 27 | 28 | 27 | 26 | 25 | 26 | 25 | 27 | 26 | 28 | 28 | 28 | 27 | 26 | 25 | 24 | 25 | 25 |
- 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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