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:
Alao surfForecast / Tutuila / American Samoa
48hr Weather and Surf, issued 6 am Friday 12 Dec 2025 SSTForecast update in hr min s Forecast update imminent
Alao surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Alao sea temperature is
29.1° C
(Which is normal for this time of year)How big are the waves at Alao today?
The current surf forecast for Alao at 10AM is: 0.7m 8s primary swell from a Northeast direction and 0.6m 8s secondary swell from a East direction (forecast issued at 06:00am December 12). An open ocean swell of 0.6m 8s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (SST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Dec) | 2.5ft (0.7m) | 9s |
| Afternoon (12 Dec) | 2ft (0.6m) | 9s |
| Evening (12 Dec) | 1.5ft (0.5m) | 17s |
Table - waves today at Alao. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 12 | Saturday 13 | Sunday 14 | Mon 15 | |||||||||||||||||||||
| 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) (?) | 9 | 9 | 8 | 13 | 9 | 17 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 76 | 74 | 71 | 82 | 61 | 149 | 137 | 188 | 186 | 183 | 179 | 168 | 159 | 222 | 222 | 153 | 146 | 134 | 184 | 181 | 181 | 181 | 176 | 121 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | off |
High Tide / height (m) | 1:34AM 0.88 | 2:09PM 0.91 | 2:27AM 0.85 | 2:55PM 0.92 | 3:15AM 0.84 | 3:36PM 0.93 | ||||||||||||||||||
Low Tide / height (m) | 7:50AM 0.24 | 8:25PM 0.28 | 8:37AM 0.26 | 9:16PM 0.27 | 9:20AM 0.26 | 10:00PM 0.25 | ||||||||||||||||||
Friday 12 | Saturday 13 | Sunday 14 | Mon 15 | |||||||||||||||||||||
| Sunrise | - | 5:47 | - | - | - | - | - | - | - | 5:47 | - | - | - | - | - | - | - | 5:48 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:44 | - | - | - | - | - | - | - | 6:45 | - | - | - | - | - | - | - | 6:45 | - | - | - |
 |  |  | | | |  | | | | | | | | | | |  | | | | | | | |
Rain (mm) | 1 | - | 1 | 2 | 3 | 2 | - | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | - | - | 3 | 3 | 1 | 1 | - | 2 |
| Temp. °C | 27 | 27 | 28 | 27 | 27 | 27 | 28 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 28 | 28 | 29 | 28 | 28 |
| Feels °C (?) | 29 | 28 | 30 | 29 | 29 | 29 | 30 | 28 | 28 | 28 | 30 | 30 | 30 | 30 | 30 | 31 | 31 | 30 | 29 | 30 | 29 | 31 | 29 | 30 |
- 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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