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Banyans Surf Forecast
/ HAW – Big Island (60 breaks) / Hawaii (267 breaks) /
Surf Forecasts:
Banyans surfForecast / HAW – Big Island / USA
48hr Weather and Surf, issued 7 am Wednesday 20 May 2026 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
26.5° C
(Which is 1.3°C warmer than normal for this time of year)How big are the waves at Banyans today?
The current surf forecast for Banyans at 10AM is: 0.6m 14s primary swell from a South-southwest direction and 0.3m 18s secondary swell from a South-southwest direction (forecast issued at 07:00am May 20). The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | 2ft (0.6m) | 14s |
| Afternoon (20 May) | 1.5ft (0.5m) | 14s |
| Evening (20 May) | 1.5ft (0.5m) | 13s |
Table - waves today at Banyans. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 5mm), mostly falling on Wed afternoon. Warm (max 26°C on Wed morning, min 23°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 20 | Thursday 21 | Friday 22 | Sat 23 | |||||||||||||||||||||
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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 16 | WNW 9 | NNW 9 | NW 9 | SSW 12 | SSW 15 | SSW 15 | SSW 15 | SW 12 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 11 | SSW 11 | NNW 10 | NNW 11 | |
160 | 113 | 156 | 107 | 102 | 102 | 67 | 147 | 8 | 8 | 13 | 29 | 174 | 172 | 169 | 37 | 167 | 163 | 115 | 108 | 12 | 12 | 10 | 11 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | on | on | on | on | glassy | cross | glassy | off | cross-off | cross-on | on | glassy | cross-off | cross | glassy | glassy | glassy | glassy | cross-on | glassy | glassy | cross | cross | |
High Tide | 6:27AM0.28m | 7:20PM0.82m | 7:53AM0.29m | 8:16PM0.75m | 9:37AM0.33m | 9:12PM0.68m | ||||||||||||||||||
Low Tide | 2:04AM0.15m | 11:33AM0.09m | 3:06AM0.15m | 12:32PM0.16m | 4:01AM0.14m | 1:51PM0.25m | ||||||||||||||||||
 |  | | |  | |  | | | | |  | |  | | | | | | | | | | | |
 | 5:46 | — | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — | 5:46 |
 | — | — | — | — | 6:53 | — | — | — | — | — | — | — | 6:53 | — | — | — | — | — | — | — | 6:54 | — | — | 6:54 |
1 | — | — | — | 1 | 1 | — | 1 | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | |
Temp °C | 25 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 25 | 25 | 24 | 24 | 25 | 26 | 25 | 25 | 24 | 24 | 24 |
27 | 29 | 29 | 29 | 29 | 30 | 28 | 28 | 27 | 28 | 27 | 28 | 29 | 27 | 27 | 27 | 26 | 28 | 28 | 27 | 27 | 26 | 25 | 26 | |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | S 16 | SSW 16 | S 16 | S 16 | S 16 | S 16 | SSW 15 | SSW 15 | SSW 15 | S 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | S 17 | S 17 | S 16 | S 16 |
 kJ | 160 | 113 | 156 | 107 | 102 | 102 | 134 | 147 | 132 | 132 | 186 | 122 | 174 | 172 | 169 | 157 | 167 | 163 | 115 | 108 | 148 | 135 | 190 | 190 |
Swell 2 Height (m) Direction Period (s) | SW 16 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSE 13 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SW 12 | S 18 | S 18 | S 18 | S 18 | S 14 | SSW 14 | S 13 | SSW 13 |
| kJ | 41 | 103 | 62 | 103 | 102 | 96 | 67 | 56 | 57 | 55 | 17 | 29 | 28 | 28 | 28 | 37 | 59 | 101 | 99 | 97 | 93 | 61 | 89 | 58 |
Swell 3 Height (m) Direction Period (s) | S 9 | SW 16 | SSW 16 | S 9 | NNW 10 | SSW 14 | SSE 9 | WNW 9 | WNW 9 | NNW 9 | SW 15 | SSE 13 | NW 9 | NNW 9 | S 19 | SE 12 | SE 12 | SSE 12 | SSE 12 | SW 11 | SSW 11 | SSW 11 | NNW 10 | NNW 11 |
| kJ | 7 | 41 | 25 | 6 | 10 | 38 | 8 | 17 | 8 | 8 | 8 | 16 | 13 | 8 | 30 | 6 | 6 | 14 | 14 | 19 | 12 | 12 | 10 | 11 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | SSW 14 | NNW 5 | NW 10 | — | — | — | NW 9 | WNW 3 | — | NW 5 | — | — | — | — | WSW 11 | NW 5 | — | SSE 5 | — | — |
| kJ | — | — | — | — | 38 | 2 | 15 | — | — | — | 13 | 1 | — | 6 | — | — | — | — | 23 | 3 | — | 3 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 2 | 9 | 124 | 134 | 134 | 0 | 3 | 0 | 2 | 3 | 21 | 124 | 0 | 0 | 3 | 1 | 0 | 0 | 0 | 8 | 2 | 1 | 1 | 3 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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