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:
Right and Left Side surfForecast / Guam / Guam
48hr Weather and Surf, issued 3 am Monday 15 Dec 2025 ChSTForecast update in hr min s Forecast update imminent
Right and Left Side surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Right and Left Side sea temperature is
28.9° C
(Which is slightly warmer than usual)How big are the waves at Right and Left Side today?
The current surf forecast for Right and Left Side at 11AM is: 2.0m 9s primary swell from a East-northeast direction and 0.9m 11s secondary swell from a North-northeast direction, 0.6m 12s secondary swell from a North direction (forecast issued at 03:00am December 15). The wind direction is predicted to be cross-offshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Dec) | 7ft (2.1m) | 9s |
| Afternoon (15 Dec) | 6.5ft (2.0m) | 9s |
| Evening (15 Dec) | 6ft (1.9m) | 9s |
Table - waves today at Right and Left Side. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 15 | Tuesday 16 | Wednesday 17 | ||||||||||||||||||||||
| 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 | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 9 | 9 | 9 | 8 | 8 | 7 | 7 | 7 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 724 | 705 | 675 | 645 | 600 | 600 | 585 | 530 | 474 | 413 | 422 | 454 | 341 | 380 | 417 | 408 | 389 | 394 | 314 | 316 | 415 | 406 | 365 | 341 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 5:27AM 0.69 | 3:36PM 0.85 | 6:35AM 0.74 | 4:06PM 0.84 | 7:25AM 0.78 | 4:39PM 0.84 | ||||||||||||||||||
Low Tide / height (m) | 10:37PM 0.33 | 9:34AM 0.61 | 11:14PM 0.26 | 10:40AM 0.66 | 11:49PM 0.19 | 11:42AM 0.68 | ||||||||||||||||||
Monday 15 | Tuesday 16 | Wednesday 17 | ||||||||||||||||||||||
| Sunrise | - | - | 6:35 | - | - | - | - | - | - | - | 6:35 | - | - | - | - | - | - | - | 6:35 | - | - | - | - | - |
| Sunset | - | - | - | - | - | 5:54 | - | - | - | - | - | - | - | 5:55 | - | - | - | - | - | - | - | 5:55 | - | - |
 | |  | | |  |  |  |  | |  | | | | | | | |  | | | | | | |
Rain (mm) | 1 | 2 | 1 | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | - |
| Temp. °C | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 27 |
| Feels °C (?) | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 26 | 27 | 28 | 27 | 26 | 27 | 27 | 27 | 28 | 28 | 29 | 28 | 28 |
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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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