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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 Thursday 21 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
26.6° 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 12PM is: 0.2m 9s primary swell from a North-northwest direction (forecast issued at 07:00am May 21). An open ocean swell of 0.6m 16s is not directed at the surf break, a second open ocean swell of 0.2m 13s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | 0.5ft (0.2m) | 9s |
| Afternoon (21 May) | 1ft (0.3m) | 12s |
| Evening (21 May) | 2ft (0.6m) | 15s |
Table - waves today at Banyans. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 3mm), mostly falling on Thu night. Warm (max 26°C on Thu morning, min 24°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 21 | Friday 22 | Saturday 23 | Sun 24 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
WNW 9 | NNW 9 | NNW 9 | SSW 12 | SSW 15 | SSW 15 | SSW 15 | SW 12 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SW 11 | SW 11 | NNW 10 | NNW 11 | NNW 11 | S 16 | NW 11 | NW 11 | NNW 11 | NNW 10 | SSW 12 | NW 15 | |
8 | 8 | 8 | 29 | 174 | 172 | 169 | 71 | 167 | 163 | 115 | 108 | 30 | 19 | 10 | 11 | 11 | 0 | 5 | 18 | 11 | 10 | 14 | 8 | |
Wind (km/h) | ||||||||||||||||||||||||
off | glassy | on | on | glassy | glassy | cross | glassy | glassy | glassy | cross-on | cross-on | glassy | cross-off | cross-off | cross-off | glassy | glassy | cross-on | cross-on | cross-off | cross | cross-on | glassy | |
High Tide | 7:53AM0.29m | 8:16PM0.75m | 9:37AM0.33m | 9:12PM0.68m | 11:07AM0.41m | 10:08PM0.61m | ||||||||||||||||||
Low Tide | 3:06AM0.15m | 12:32PM0.16m | 4:01AM0.14m | 1:51PM0.25m | 4:46AM0.13m | 3:36PM0.31m | ||||||||||||||||||
 |  |  | | |  | |  | | | | |  | | | | | | | | | | | | |
 | 5:46 | — | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — | 5:45 |
 | — | — | — | — | 6:53 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:54 | — | — | 6:54 |
— | — | — | — | — | — | — | 1 | — | — | — | — | 1 | — | — | — | — | 1 | — | — | — | — | — | — | |
Temp °C | 25 | 26 | 26 | 26 | 26 | 25 | 25 | 24 | 25 | 25 | 26 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 24 | 24 | 24 |
27 | 29 | 27 | 27 | 29 | 28 | 27 | 27 | 27 | 27 | 28 | 27 | 27 | 26 | 25 | 26 | 26 | 26 | 25 | 25 | 27 | 25 | 26 | 26 | |
Swell 1 Height (m) Direction Period (s) | 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 | S 16 | S 16 | S 15 | S 15 | S 15 | S 15 | S 14 | S 14 |
 kJ | 132 | 132 | 186 | 122 | 174 | 172 | 169 | 157 | 167 | 163 | 115 | 108 | 148 | 135 | 190 | 190 | 188 | 183 | 233 | 218 | 212 | 212 | 150 | 200 |
Swell 2 Height (m) Direction Period (s) | 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 | S 13 | SSW 13 | SSW 13 | NW 11 | SE 11 | NNW 11 | NNW 10 | S 17 | S 4 |
| kJ | 57 | 55 | 17 | 29 | 28 | 28 | 48 | 71 | 59 | 101 | 99 | 97 | 93 | 61 | 89 | 89 | 57 | 57 | 5 | 5 | 11 | 10 | 23 | 1 |
Swell 3 Height (m) Direction Period (s) | WNW 9 | NNW 9 | NNW 9 | SSE 13 | NNW 9 | NNW 9 | S 19 | SE 12 | SE 12 | SSE 12 | SSE 12 | SSE 12 | NNW 10 | SW 11 | NNW 10 | NNW 11 | NNW 11 | SSE 12 | SE 12 | N 17 | S 18 | S 18 | SSW 12 | NW 15 |
| kJ | 8 | 8 | 8 | 16 | 8 | 8 | 30 | 6 | 6 | 14 | 14 | 14 | 10 | 19 | 10 | 11 | 11 | 14 | 5 | 6 | 25 | 25 | 14 | 8 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | NNW 5 | NW 5 | — | — | — | — | SW 11 | SW 11 | SW 11 | — | — | — | SE 4 | — | SW 2 | NW 11 | — | SSE 5 | WSW 2 | NW 3 |
| kJ | — | — | — | — | 5 | 6 | — | — | — | — | 30 | 19 | 30 | — | — | — | 4 | — | 1 | 18 | — | 3 | 1 | 2 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 2 | 1 | 134 | 124 | 0 | 0 | 21 | 0 | 0 | 0 | 134 | 8 | 1 | 1 | 2 | 1 | 2 | 2 | 134 | 461 | 1 | 3 | 9 | 1 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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