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 6 pm Monday 15 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
16.2° 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 1AM is: 0.1m 11s primary swell from a Southeast direction and 0.1m 13s secondary swell from a South direction (forecast issued at 06:00pm December 15). An open ocean swell of 1.0m 8s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (NZDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Dec) | 2.5ft (0.8m) | 8s |
| Afternoon (16 Dec) | 2.5ft (0.7m) | 8s |
| Evening (16 Dec) | 1.5ft (0.5m) | 8s |
Table - waves today at Midshore Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | |||||||||||||||||||||
| 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 | 4 AM | 7 AM | 10 AM | 1 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 11 | 13 | 8 | 8 | 9 | 8 | 8 | 8 | 8 | 4 | 4 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 45 | 34 | 12 | 4 | 23 | 61 | 84 | 64 | 61 | 39 | 39 | 62 | 67 | 91 | 114 | 94 | 135 | 138 | 156 | 135 | 95 | 95 | 98 | 70 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | off | off | off | off | off | cross | cross- off | cross- off | cross- off | cross- off | cross- on | cross | cross- on | cross- on | cross- on | cross- on | on | cross- on | cross | cross | cross- off | cross- on | cross- off |
High Tide / height (m) | 2:52AM 1.75 | 3:08PM 1.69 | 3:36AM 1.77 | 3:52PM 1.69 | 4:19AM 1.80 | |||||||||||||||||||
Low Tide / height (m) | 8:30PM 0.35 | 8:58AM 0.44 | 9:14PM 0.38 | 9:44AM 0.45 | 9:57PM 0.38 | 10:30AM 0.44 | ||||||||||||||||||
Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 5:43 | - | - | - | - | - | - | - | 5:43 | - | - | - | - | - | - | - | 5:43 | - | - |
| Sunset | - | 9:02 | - | - | - | - | - | - | - | 9:04 | - | - | - | - | - | - | - | 9:05 | - | - | - | - | - | - |
 |  |  |  | |  | | |  | |  | |  |  |  | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | 1 | - | - | - | - | - | - | 5 | 11 | 4 | 1 | - | - | - | - | - | - | 1 | 2 |
| Temp. °C | 24 | 23 | 20 | 21 | 20 | 18 | 19 | 19 | 19 | 17 | 13 | 9 | 8 | 9 | 10 | 12 | 14 | 15 | 11 | 9 | 9 | 10 | 11 | 11 |
| Feels °C (?) | 15 | 16 | 15 | 16 | 18 | 16 | 14 | 15 | 10 | 9 | 8 | -1 | -2 | 1 | 2 | 5 | 6 | 8 | 6 | 5 | 5 | 7 | 9 | 9 |
- 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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