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:
Dark Hollow surfForecast / TAS – East Coast / Australia
48hr Weather and Surf, issued 4 am Wednesday 17 Dec 2025 AEDTForecast update in hr min s Forecast update imminent
Dark Hollow surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Dark Hollow sea temperature is
13.8° C
(Which is 1.8°C colder than average for this time of year)How big are the waves at Dark Hollow today?
The current surf forecast for Dark Hollow at 9AM is: 0.8m 10s primary swell from a South direction and 0.1m 7s secondary swell from a Northeast direction (forecast issued at 04:00am December 17). An open ocean swell of 0.9m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (AEDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Dec) | 2.5ft (0.8m) | 10s |
| Afternoon (17 Dec) | 5ft (1.5m) | 5s |
| Evening (17 Dec) | 4ft (1.2m) | 5s |
Table - waves today at Dark Hollow. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 17 | Thursday 18 | Friday 19 | ||||||||||||||||||||||
| 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 10 | 10 | 10 | 10 | 10 | 5 | 10 | 10 | 9 | 9 | 9 | 3 | 4 | 10 | 9 | 14 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 177 | 167 | 130 | 100 | 100 | 126 | 73 | 47 | 42 | 26 | 15 | 10 | 8 | 7 | 7 | 15 | 71 | 75 | 89 | 60 | 59 | 106 | 81 | 116 |
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 | off | off | off | glass | cross- on | on | on | cross- off | glass | glass | cross | cross- on | on | on | on | on | cross- on |
High Tide / height (m) | 6:50AM 1.21 | 8:09PM 0.83 | 7:26AM 1.24 | 8:58PM 0.84 | 8:03AM 1.26 | 9:43PM 0.84 | ||||||||||||||||||
Low Tide / height (m) | 12:16AM 0.53 | 1:59PM 0.27 | 12:56AM 0.56 | 2:39PM 0.22 | 1:37AM 0.58 | 3:20PM 0.18 | ||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | ||||||||||||||||||||||
| Sunrise | - | - | 5:26 | - | - | - | - | - | - | - | 5:28 | - | - | - | - | - | - | - | 5:28 | - | - | - | - | - |
| Sunset | - | - | - | - | - | - | 8:37 | - | - | - | - | - | - | - | 8:37 | - | - | - | - | - | - | - | 8:37 | - |
 |  |  | | | | | | | | |  |  | | |  | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 12 | 11 | 16 | 26 | 30 | 30 | 24 | 17 | 15 | 14 | 21 | 20 | 19 | 19 | 16 | 15 | 13 | 12 | 15 | 14 | 15 | 14 | 13 | 13 |
| Feels °C (?) | 10 | 9 | 14 | 22 | 25 | 25 | 21 | 15 | 13 | 11 | 19 | 17 | 17 | 18 | 15 | 15 | 12 | 11 | 13 | 12 | 13 | 12 | 12 | 12 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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