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:
All Day Bay surfForecast / Otago / New Zealand
48hr Weather and Surf, issued 12 am Wednesday 17 Dec 2025 NZDTForecast update in hr min s Forecast update imminent
All Day Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's All Day Bay sea temperature is
15.7° C
(Which is 3.9°C warmer than normal for this time of year)How big are the waves at All Day Bay today?
The current surf forecast for All Day Bay at 7AM is: 0.3m 16s primary swell from a South direction and 0.5m 8s secondary swell from a East direction (forecast issued at 12:00am December 17). An open ocean swell of 0.9m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (NZDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Dec) | 1ft (0.3m) | 15s |
| Afternoon (17 Dec) | 3.5ft (1.1m) | 5s |
| Evening (17 Dec) | 3ft (0.9m) | 5s |
Table - waves today at All Day Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 17 | Thursday 18 | Friday 19 | ||||||||||||||||||||||
| 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 | 10 AM | 1 PM | 4 PM | 7 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 16 | 16 | 15 | 15 | 14 | 5 | 5 | 6 | 6 | 7 | 8 | 7 | 7 | 7 | 7 | 7 | 10 | 12 | 10 | 5 | 5 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 72 | 49 | 44 | 43 | 40 | 424 | 69 | 38 | 17 | 31 | 31 | 51 | 64 | 56 | 43 | 34 | 23 | 21 | 17 | 27 | 141 | 56 | 71 | 14 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- off | cross- off | cross- off | cross- off | cross | cross- on | cross- on | cross- off | glass | cross- off | cross- off | cross | cross- on | cross- on | cross- on | cross- on | glass | glass | cross | cross- on | cross | cross- off | cross- off |
High Tide / height (m) | 2:10AM 1.62 | 2:26PM 1.56 | 2:51AM 1.65 | 3:07PM 1.57 | 3:32AM 1.69 | 3:47PM 1.58 | ||||||||||||||||||
Low Tide / height (m) | 7:43PM 0.36 | 8:11AM 0.42 | 8:25PM 0.36 | 8:54AM 0.41 | 9:06PM 0.35 | 9:38AM 0.40 | ||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | ||||||||||||||||||||||
| Sunrise | - | - | - | 5:43 | - | - | - | - | - | - | - | 5:43 | - | - | - | - | - | - | - | 5:43 | - | - | - | - |
| Sunset | - | - | - | - | - | - | - | 9:20 | - | - | - | - | - | - | - | 9:21 | - | - | - | - | - | - | - | 9:22 |
 |  |  |  |  |  | | | | | |  | | | | | | | | | | | | | |
Rain (mm) | 7 | 2 | - | - | - | - | - | - | - | - | - | 1 | - | - | - | 1 | 1 | - | - | - | - | 1 | 5 | 5 |
| Temp. °C | 10 | 11 | 10 | 10 | 13 | 14 | 13 | 12 | 11 | 11 | 11 | 11 | 15 | 17 | 16 | 15 | 14 | 14 | 13 | 13 | 12 | 12 | 7 | 7 |
| Feels °C (?) | 6 | 7 | 5 | 3 | 7 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 13 | 14 | 12 | 12 | 13 | 14 | 12 | 10 | 9 | 8 | -1 | 3 |
- 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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