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:
Midshore Bay surfForecast / Canterbury / New Zealand
48hr Weather and Surf, issued 12 am Friday 12 Dec 2025 NZDTForecast update in hr min s Forecast update imminent
Midshore Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Midshore Bay sea temperature is
16.1° C
(Which is 3.0°C warmer than normal for this time of year)How big are the waves at Midshore Bay today?
The current surf forecast for Midshore Bay at 3AM is: 0.4m 11s primary swell from a East-northeast direction and 0.5m 5s secondary swell from a East direction, 0.4m 2s secondary swell from a Southwest direction (forecast issued at 12:00am December 12). The wind direction is predicted to be cross-shore.
| Time (NZDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Dec) | 1.5ft (0.4m) | 6s |
| Afternoon (12 Dec) | 2.5ft (0.7m) | 6s |
| Evening (12 Dec) | 1ft (0.3m) | 9s |
Table - waves today at Midshore Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 12 | Saturday 13 | Sunday 14 | ||||||||||||||||||||||
| 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) (?) | 11 | 11 | 11 | 10 | 10 | 9 | 6 | 9 | 9 | 9 | 9 | 9 | 8 | 7 | 8 | 13 | 12 | 12 | 9 | 9 | 9 | 9 | 6 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 39 | 38 | 37 | 19 | 19 | 17 | 30 | 17 | 17 | 16 | 16 | 15 | 14 | 39 | 47 | 4 | 3 | 3 | 8 | 13 | 3 | 8 | 169 | 209 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross | cross- on | cross | cross- on | on | cross- on | cross | cross- off | off | off | glass | cross | cross | cross- off | cross- off | cross- off | cross- off | off | off | cross- off | cross- off | cross- off | off |
High Tide / height (m) | 11:24PM 1.83 | 11:50AM 1.90 | 12:21AM 1.78 | 12:43PM 1.82 | 1:15AM 1.76 | 1:34PM 1.76 | ||||||||||||||||||
Low Tide / height (m) | 5:33AM 0.22 | 6:07PM 0.22 | 6:27AM 0.30 | 6:57PM 0.27 | 7:19AM 0.36 | |||||||||||||||||||
Friday 12 | Saturday 13 | Sunday 14 | ||||||||||||||||||||||
| Sunrise | - | - | - | 5:41 | - | - | - | - | - | - | - | 5:41 | - | - | - | - | - | - | - | 5:41 | - | - | - | - |
| Sunset | - | - | - | - | - | - | - | 9:00 | - | - | - | - | - | - | - | 9:01 | - | - | - | - | - | - | - | 9:01 |
 |  | |  | | | | |  | | |  | | | | | | | | | |  | | | |
Rain (mm) | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 14 | 12 | 10 | 11 | 15 | 16 | 15 | 13 | 11 | 11 | 10 | 11 | 15 | 17 | 17 | 16 | 12 | 11 | 11 | 12 | 18 | 21 | 23 | 23 |
| Feels °C (?) | 12 | 8 | 5 | 7 | 11 | 12 | 11 | 9 | 8 | 9 | 8 | 10 | 12 | 12 | 11 | 11 | 8 | 8 | 8 | 10 | 16 | 18 | 21 | 20 |
- 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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