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 Saturday 13 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: 0.3m 16s primary swell from a South-southwest direction and 0.4m 10s secondary swell from a Northwest direction, 0.3m 12s secondary swell from a South-southwest direction, 0.3m 3s secondary swell from a South direction (forecast issued at 07:00am December 13). The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | 1ft (0.3m) | 16s |
| Afternoon (13 Dec) | 1ft (0.3m) | 15s |
| Evening (13 Dec) | 1ft (0.3m) | 15s |
Table - waves today at Banyans. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 13 | Sunday 14 | Monday 15 | Tue 16 | |||||||||||||||||||||
| 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) (?) | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 14 | 16 | 16 | 15 | 15 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 51 | 51 | 50 | 48 | 44 | 42 | 43 | 42 | 42 | 38 | 41 | 63 | 107 | 106 | 211 | 578 | 545 | 528 | 504 | 397 | 384 | 294 | 211 | 157 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross | cross- on | cross | cross | cross | cross | cross | cross- off | cross- on | cross- on | cross | cross | cross | glass | cross- on | cross | cross- on | cross- on | cross | glass | glass | on |
High Tide / height (m) | 10:26AM 0.46 | 12:52AM 0.63 | 11:26AM 0.41 | 1:28AM 0.70 | 12:25PM 0.36 | |||||||||||||||||||
Low Tide / height (m) | 5:55AM 0.37 | 5:22PM 0.12 | 7:26AM 0.33 | 5:54PM 0.11 | 8:27AM 0.28 | 6:27PM 0.10 | ||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | Tue 16 | |||||||||||||||||||||
| Sunrise | - | 6:48 | - | - | - | - | - | - | - | 6:48 | - | - | - | - | - | - | - | 6:50 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 5:46 | - | - | - | - | - | - | - | 5:46 | - | - | - | - | - | - | - | 5:46 | - | - | - |
 |  | | | | | | | | | | | |  | | | |  | |  | |  | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 24 | 25 | 26 | 26 | 25 | 25 | 24 | 24 | 24 | 24 | 26 | 25 | 24 | 24 | 24 | 23 | 24 | 24 | 25 | 25 | 25 | 24 | 24 | 24 |
| Feels °C (?) | 23 | 24 | 25 | 26 | 25 | 26 | 24 | 25 | 25 | 25 | 27 | 26 | 26 | 27 | 27 | 26 | 27 | 26 | 27 | 27 | 27 | 28 | 27 | 27 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Latest Updates
Buy Less, Surf More This Black Friday
Surf-forecast is providing a free, all-access pass to our premium features and 12-day forecasts all weekend.
Quiksilver Teams Up With PrimaLoft® For World’s First Thermal Layering System for a Wetsuit.
Previously used in our snow jackets for mountain conditions, PrimaLoft® technology is making its debut in the surf industry. The aim is to bring mountain-grade warmth to the waves.
Vancouver Island’s Day Of Days With Reed Platenius
Surf-Forecast recently helped the 21-year-old Canadian pro surfer and adventurer score some cold water perfection at home.
Read more
Discover more articles and updates in the Greenroom.
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Banyans surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest