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:
Blackhead surfForecast / Wairarapa / New Zealand
48hr Weather and Surf, issued 6 pm Monday 15 Dec 2025 NZDTForecast update in hr min s Forecast update imminent
Blackhead surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Blackhead sea temperature is
16.7° C
(Which is normal for this time of year)How big are the waves at Blackhead today?
The current surf forecast for Blackhead at 1AM is: 1.2m 7s primary swell from a Northeast direction and 0.3m 10s secondary swell from a Southeast direction (forecast issued at 06:00pm December 15). The wind direction is predicted to be cross-offshore.
| Time (NZDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Dec) | 3ft (0.9m) | 7s |
| Afternoon (16 Dec) | 4.5ft (1.4m) | 7s |
| Evening (16 Dec) | 3.5ft (1.1m) | 7s |
Table - waves today at Blackhead. (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) (?) | 5 | 6 | 7 | 7 | 7 | 7 | 7 | 6 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 6 | 8 | 8 | 10 | 10 | 10 | 10 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 67 | 103 | 168 | 160 | 122 | 88 | 67 | 108 | 447 | 164 | 111 | 120 | 84 | 67 | 46 | 48 | 131 | 889 | 1823 | 1783 | 1297 | 1738 | 864 | 782 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- off | cross- off | cross- off | cross- off | cross- on | cross- on | off | cross- off | cross- off | off | off | off | cross- off | off | cross- off | off | off | cross- off | off | off | off | off |
High Tide / height (m) | 3:24AM 1.30 | 3:41PM 1.27 | 4:10AM 1.31 | 4:28PM 1.26 | 4:55AM 1.33 | |||||||||||||||||||
Low Tide / height (m) | 9:09PM 0.25 | 9:34AM 0.31 | 9:54PM 0.27 | 10:22AM 0.32 | 10:38PM 0.29 | 11:10AM 0.32 | ||||||||||||||||||
Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 5:37 | - | - | - | - | - | - | - | 5:37 | - | - | - | - | - | - | - | 5:37 | - | - |
| Sunset | - | 8:37 | - | - | - | - | - | - | - | 8:38 | - | - | - | - | - | - | - | 8:39 | - | - | - | - | - | - |
 |  |  |  | | | | |  | |  | | | | |  | | |  | | |  | | | |
Rain (mm) | - | - | - | - | - | - | - | - | 1 | 1 | - | - | - | - | - | 1 | 1 | 2 | 3 | - | - | - | - | - |
| Temp. °C | 20 | 20 | 18 | 17 | 15 | 14 | 22 | 25 | 20 | 18 | 16 | 15 | 13 | 12 | 15 | 17 | 14 | 11 | 11 | 12 | 11 | 11 | 17 | 19 |
| Feels °C (?) | 16 | 19 | 17 | 15 | 14 | 12 | 20 | 23 | 15 | 17 | 14 | 10 | 7 | 7 | 11 | 13 | 7 | 4 | 3 | 5 | 6 | 7 | 12 | 15 |
- 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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