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:
Arataki surfForecast / Bay of Plenty / New Zealand
48hr Weather and Surf, issued 6 pm Saturday 13 Dec 2025 NZDTForecast update in hr min s Forecast update imminent
Arataki surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Arataki sea temperature is
21.9° C
(Which is 4.0°C warmer than normal for this time of year)How big are the waves at Arataki today?
The current surf forecast for Arataki at 10PM is: 0.6m 8s primary swell from a East-northeast direction and 0.3m 8s secondary swell from a Northeast direction, 0.5m 3s secondary swell from a North direction (forecast issued at 06:00pm December 13). The wind direction is predicted to be cross-onshore.
| Time (NZDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | - | - |
| Afternoon (13 Dec) | 2.5ft (0.7m) | 8s |
| Evening (13 Dec) | 2ft (0.6m) | 8s |
Table - waves today at Arataki. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||||||
| 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 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 8 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 41 | 32 | 44 | 64 | 76 | 66 | 66 | 66 | 74 | 72 | 72 | 86 | 86 | 88 | 91 | 74 | 74 | 54 | 64 | 64 | 77 | 56 | 117 | 67 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | glass | glass | cross | on | cross- on | cross- on | on | on | glass | cross- on | on | on | on | cross- on | cross- on | cross- on | glass | cross- off | cross | cross- on | cross- on |
High Tide / height (m) | 3:08PM 1.68 | 3:37AM 1.56 | 3:58PM 1.62 | 4:31AM 1.54 | 4:49PM 1.59 | 5:25AM 1.54 | ||||||||||||||||||
Low Tide / height (m) | 9:20PM 0.35 | 9:36AM 0.45 | 10:10PM 0.37 | 10:32AM 0.47 | 11:03PM 0.38 | 11:26AM 0.48 | ||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 5:47 | - | - | - | - | - | - | - | 5:47 | - | - | - | - | - | - | - | 5:47 | - | - |
| Sunset | - | 8:30 | - | - | - | - | - | - | - | 8:30 | - | - | - | - | - | - | - | 8:31 | - | - | - | - | - | - |
 | |  | | | |  | | | | |  | |  | | | | | |  | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 20 | 19 | 17 | 16 | 15 | 14 | 17 | 18 | 18 | 18 | 16 | 16 | 15 | 16 | 18 | 19 | 19 | 19 | 17 | 16 | 15 | 16 | 20 | 21 |
| Feels °C (?) | 17 | 17 | 15 | 15 | 15 | 13 | 16 | 16 | 16 | 16 | 15 | 16 | 14 | 14 | 16 | 17 | 16 | 17 | 16 | 16 | 15 | 15 | 17 | 17 |
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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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