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:
Banyans surfForecast / HAW – Big Island / USA
48hr Weather and Surf, issued 7 am Friday 12 Dec 2025 HSTForecast update in hr min s Forecast update imminent
Banyans surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Banyans sea temperature is
26.1° C
(Which is slightly warmer than usual)How big are the waves at Banyans today?
The current surf forecast for Banyans at 11AM is: 0.6m 12s primary swell from a Northwest direction (forecast issued at 07:00am December 12). An open ocean swell of 0.4m 13s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Dec) | 2ft (0.6m) | 12s |
| Afternoon (12 Dec) | 2ft (0.6m) | 11s |
| Evening (12 Dec) | 2ft (0.6m) | 11s |
Table - waves today at Banyans. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 12 | Saturday 13 | Sunday 14 | Mon 15 | |||||||||||||||||||||
| 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 14 | 16 | 16 | 15 | 15 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 54 | 110 | 108 | 85 | 82 | 79 | 58 | 57 | 51 | 51 | 50 | 48 | 44 | 42 | 43 | 42 | 42 | 38 | 41 | 63 | 107 | 106 | 169 | 276 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | glass | cross- on | on | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross | cross | cross | cross- off | cross- off | cross- off | cross- on | cross- on | cross- on | glass | cross- on | cross |
High Tide / height (m) | 9:32AM 0.53 | 12:09AM 0.55 | 10:26AM 0.46 | 12:52AM 0.63 | 11:26AM 0.41 | 1:28AM 0.70 | ||||||||||||||||||
Low Tide / height (m) | 3:54AM 0.37 | 4:49PM 0.12 | 5:55AM 0.37 | 5:22PM 0.12 | 7:26AM 0.33 | 5:54PM 0.11 | ||||||||||||||||||
Friday 12 | Saturday 13 | Sunday 14 | Mon 15 | |||||||||||||||||||||
| Sunrise | - | 6:48 | - | - | - | - | - | - | - | 6:48 | - | - | - | - | - | - | - | 6:48 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 5:45 | - | - | - | - | - | - | - | 5:46 | - | - | - | - | - | - | - | 5:46 | - | - | - |
 |  | | | | | | | | | | | | | | | | | | | |  | |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 23 | 23 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 25 | 26 | 26 | 25 | 24 | 24 | 24 | 24 | 25 | 26 | 26 | 25 | 24 | 24 | 24 |
| Feels °C (?) | 25 | 25 | 27 | 26 | 25 | 26 | 24 | 23 | 23 | 24 | 25 | 26 | 25 | 25 | 25 | 24 | 25 | 27 | 28 | 28 | 28 | 27 | 27 | 26 |
- 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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