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:
Helena Bay surfForecast / Northland / New Zealand
48hr Weather and Surf, issued 6 pm Friday 12 Dec 2025 NZDTForecast update in hr min s Forecast update imminent
Helena Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Helena Bay sea temperature is
20.4° C
(Which is 1.9°C warmer than normal for this time of year)How big are the waves at Helena Bay today?
The current surf forecast for Helena Bay at 9PM is: 0.7m 15s primary swell from a North-northeast direction and 0.6m 8s secondary swell from a Northeast direction (forecast issued at 06:00pm December 12). An open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (NZDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Dec) | - | - |
| Afternoon (12 Dec) | 2.5ft (0.7m) | 15s |
| Evening (12 Dec) | 2.5ft (0.7m) | 15s |
Table - waves today at Helena Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | |||||||||||||||||||||
| 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) (?) | 15 | 15 | 15 | 15 | 15 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 231 | 228 | 228 | 225 | 209 | 445 | 645 | 450 | 373 | 391 | 298 | 298 | 290 | 336 | 336 | 319 | 254 | 214 | 186 | 161 | 168 | 173 | 173 | 186 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- on | cross- on | cross- on | on | on | cross- on | on | on | on | on | on | on | on | on | on | on | on | on |
High Tide / height (m) | 2:07PM 1.95 | 2:39AM 1.73 | 3:00PM 1.86 | 3:37AM 1.70 | 3:52PM 1.79 | 4:33AM 1.69 | ||||||||||||||||||
Low Tide / height (m) | 8:31PM 0.35 | 8:43AM 0.44 | 9:24PM 0.39 | 9:39AM 0.53 | 10:16PM 0.41 | 10:35AM 0.57 | ||||||||||||||||||
Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:00 | - | - | - | - | - | - | - | 6:01 | - | - | - | - | - | - | - | 6:01 | - | - |
| Sunset | - | 8:30 | - | - | - | - | - | - | - | 8:30 | - | - | - | - | - | - | - | 8:31 | - | - | - | - | - | - |
 | |  | | | |  | | | | |  |  |  | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 22 | 19 | 16 | 15 | 14 | 15 | 19 | 20 | 19 | 18 | 17 | 17 | 17 | 17 | 19 | 19 | 20 | 19 | 18 | 17 | 17 | 18 | 19 | 21 |
| Feels °C (?) | 17 | 15 | 13 | 13 | 13 | 14 | 17 | 17 | 16 | 15 | 15 | 15 | 14 | 14 | 15 | 15 | 17 | 17 | 16 | 15 | 15 | 15 | 16 | 18 |
- 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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