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Surf Forecasts:
Banyans surfForecast / HAW – Big Island / USA
48hr Weather and Surf, issued 1 am Tuesday 09 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
26.0° C
(Which is slightly warmer than usual)How big are the waves at Banyans today?
The current surf forecast for Banyans at 4AM is: 0.4m 15s primary swell from a West-northwest direction and 0.2m 12s secondary swell from a South-southwest direction, 0.2m 3s secondary swell from a West-northwest direction (forecast issued at 01:00am December 09). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Dec) | 1.5ft (0.5m) | 14s |
| Afternoon (09 Dec) | 2ft (0.6m) | 14s |
| Evening (09 Dec) | 2ft (0.6m) | 13s |
Table - waves today at Banyans. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 09 | Wednesday 10 | Thursday 11 | ||||||||||||||||||||||
| 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 | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 16 | 15 | 14 | 14 | 14 | 14 | 15 | 14 | 13 | 13 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 88 | 58 | 86 | 102 | 134 | 129 | 123 | 118 | 140 | 178 | 140 | 138 | 138 | 121 | 134 | 132 | 128 | 160 | 123 | 121 | 120 | 138 | 103 | 55 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | glass | glass | on | cross | glass | glass | cross- off | cross | glass | on | on | on | glass | glass | cross- off | glass | glass | glass | on | cross- on | glass |
High Tide / height (m) | 7:14AM 0.78 | 8:13PM 0.33 | 7:59AM 0.70 | 9:48PM 0.39 | 8:44AM 0.61 | |||||||||||||||||||
Low Tide / height (m) | 11:42PM 0.14 | 2:48PM 0.14 | 12:40AM 0.23 | 3:33PM 0.14 | 2:00AM 0.31 | 4:13PM 0.13 | ||||||||||||||||||
Tuesday 09 | Wednesday 10 | Thursday 11 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:46 | - | - | - | - | - | - | - | 6:47 | - | - | - | - | - | - | - | 6:47 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 5:45 | - | - | - | - | - | - | - | 5:45 | - | - | - | - | - | - | - | 5:45 | - |
 |  | |  | | | | | | | |  | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 24 | 24 | 24 | 24 | 25 | 25 | 24 | 24 | 23 | 23 | 23 | 23 | 24 | 25 | 24 | 23 | 23 | 23 | 23 | 23 | 25 | 25 | 24 | 23 |
| Feels °C (?) | 26 | 26 | 26 | 27 | 26 | 26 | 26 | 27 | 25 | 24 | 25 | 26 | 25 | 26 | 26 | 26 | 26 | 24 | 23 | 22 | 25 | 24 | 25 | 25 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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