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:
The Boot surfForecast / NSW – Sydney South Coast / Australia
48hr Weather and Surf, issued 4 pm Wednesday 17 Dec 2025 AEDTForecast update in hr min s Forecast update imminent
The Boot surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's The Boot sea temperature is
22.1° C
(Which is normal for this time of year)How big are the waves at The Boot today?
The current surf forecast for The Boot at 7PM is: 0.8m 11s primary swell from a South direction and 0.3m 8s secondary swell from a East direction, 1.2m 5s secondary swell from a Northeast direction (forecast issued at 04:00pm December 17). The wind direction is predicted to be cross-shore.
| Time (AEDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Dec) | - | - |
| Afternoon (17 Dec) | 3ft (0.9m) | 11s |
| Evening (17 Dec) | 2.5ft (0.8m) | 11s |
Table - waves today at The Boot. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | |||||||||||||||||||||
| 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 | 2 AM | 5 AM | 8 AM | 11 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 11 | 11 | 11 | 6 | 6 | 6 | 10 | 6 | 6 | 6 | 7 | 7 | 8 | 8 | 7 | 7 | 7 | 7 | 6 | 7 | 7 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 192 | 149 | 146 | 110 | 85 | 124 | 112 | 73 | 68 | 123 | 181 | 366 | 381 | 173 | 138 | 114 | 104 | 78 | 47 | 26 | 36 | 35 | 35 | 34 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross | cross | cross | cross | cross- off | cross- off | cross | cross- on | cross | cross | cross- off | glass | cross- off | cross | cross- on | on | cross | cross- off | off | cross- off | cross- on | glass | cross |
High Tide / height (m) | 7:43PM 0.97 | 7:47AM 1.49 | 8:26PM 0.99 | 8:24AM 1.52 | 9:07PM 1.00 | 9:02AM 1.55 | ||||||||||||||||||
Low Tide / height (m) | 1:58PM 0.30 | 1:09AM 0.40 | 2:38PM 0.25 | 1:48AM 0.40 | 3:16PM 0.21 | 2:27AM 0.39 | ||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 5:37 | - | - | - | - | - | - | - | 5:39 | - | - | - | - | - | - | - | 5:39 | - |
| Sunset | - | - | 8:01 | - | - | - | - | - | - | - | 8:02 | - | - | - | - | - | - | - | 8:02 | - | - | - | - | - |
 | | |  | | | | |  | | | | | | | |  | | |  |  | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 21 | 20 | 19 | 19 | 19 | 18 | 19 | 24 | 24 | 24 | 23 | 23 | 23 | 22 | 22 | 24 | 25 | 26 | 24 | 27 | 24 | 21 | 22 | 25 |
| Feels °C (?) | 17 | 16 | 15 | 16 | 17 | 17 | 18 | 23 | 21 | 21 | 21 | 22 | 24 | 22 | 22 | 26 | 24 | 26 | 24 | 28 | 24 | 21 | 24 | 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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