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Kua Bay Surf Forecast
/ HAW – Big Island (60 breaks) / Hawaii (267 breaks) /
Surf Forecasts:
Kua Bay surfForecast / HAW – Big Island / USA
48hr Weather and Surf, issued 1 am Sunday 31 May 2026 HSTForecast update in hr min s Forecast update imminent
Kua Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Kua Bay sea temperature is
25.9° C
(Which is slightly warmer than usual)How big are the waves at Kua Bay today (31 May):
- Morning surf: Morning surf (31 May, local time) - 0.5ft (0.2m), 9s period with N swell.
- Afternoon surf: Afternoon surf (31 May, local time) - 1ft (0.3m), 8s period with N swell.
- Evening surf: Evening surf (31 May, local time) - 1ft (0.3m), 8s period with N swell.
The current surf forecast for Kua Bay at 8AM is: 0.2m 9s primary swell from a North direction (forecast issued at 01:00am May 31). An open ocean swell of 0.5m 7s is not directed at the surf break, a second open ocean swell of 0.3m 15s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 May) | 0.5ft (0.2m) | 9s |
| Afternoon (31 May) | 1ft (0.3m) | 8s |
| Evening (31 May) | 1ft (0.3m) | 8s |
Table - waves today at Kua Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Mon afternoon. Warm (max 27°C on Sun afternoon, min 24°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 31 | Monday 1 | Tuesday 2 | ||||||||||||||||||||||
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 | 11 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
N 9 | SSW 16 | N 9 | N 9 | N 8 | N 8 | N 8 | SSW 14 | SSW 14 | N 8 | SSW 14 | SSW 18 | NNE 5 | SSW 18 | SSW 17 | N 9 | SSW 21 | SSW 16 | SSW 19 | SSW 19 | NNE 5 | N 12 | SSW 18 | SSW 18 | |
6 | 0 | 6 | 6 | 12 | 13 | 12 | 0 | 0 | 10 | 0 | 0 | 19 | 0 | 0 | 16 | 0 | 0 | 0 | 0 | 18 | 27 | 0 | 0 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | cross | cross-on | on | on | glassy | cross-off | cross-off | cross-off | glassy | cross-on | cross-on | cross-on | cross | cross-off | glassy | on | glassy | glassy | cross-on | cross | cross | glassy | glassy | |
High Tide | 3:27AM0.33m | 4:21PM0.82m | 4:03AM0.32m | 4:58PM0.81m | 4:39AM0.31m | 5:35PM0.79m | ||||||||||||||||||
Low Tide | 8:55AM0.06m | 11:36PM0.17m | 9:28AM0.06m | 00:17AM0.17m | 10:01AM0.07m | |||||||||||||||||||
 | |  |  | | |  | | | | | |  | | | | | | | | | | | | |
 | — | 5:43 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:59 | — | — | — | — | — | — | — | 6:59 | — | — | — | — | — | — | — | 6:59 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 24 | 24 | 25 | 26 | 27 | 27 | 26 | 25 | 25 | 24 | 25 | 26 | 26 | 26 | 25 | 25 | 25 | 24 | 26 | 26 | 27 | 27 | 26 | 25 |
27 | 27 | 27 | 27 | 28 | 29 | 27 | 26 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 29 | 28 | 27 | 29 | 28 | 28 | 29 | 29 | 28 | |
Swell 1 Height (m) Direction Period (s) | NNE 8 | NE 7 | NE 7 | NE 7 | SSW 15 | N 8 | NE 7 | NNE 4 | NNE 5 | NE 7 | NNE 4 | NNE 5 | SSW 18 | NE 5 | NNE 5 | NNE 5 | NNE 7 | NNE 6 | NNE 7 | NE 6 | SSW 16 | NNE 5 | NE 5 | NE 6 |
 kJ | 42 | 26 | 27 | 27 | 42 | 13 | 14 | 8 | 8 | 26 | 8 | 15 | 61 | 29 | 17 | 12 | 26 | 15 | 17 | 15 | 86 | 20 | 28 | 43 |
Swell 2 Height (m) Direction Period (s) | SSW 16 | SSW 16 | SSW 15 | SSW 15 | N 8 | SSW 14 | SSW 14 | NE 8 | NE 7 | SSW 14 | SSW 14 | SSW 18 | SSW 13 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 19 | SSW 18 | SSW 15 | SSW 15 |
| kJ | 81 | 48 | 47 | 43 | 12 | 41 | 41 | 14 | 14 | 40 | 39 | 62 | 35 | 61 | 59 | 53 | 51 | 85 | 85 | 84 | 74 | 174 | 76 | 74 |
Swell 3 Height (m) Direction Period (s) | N 9 | NNE 9 | N 9 | N 9 | NNE 9 | N 12 | N 8 | SSW 14 | SSW 14 | N 8 | NE 7 | SSW 14 | NE 7 | SSW 13 | SSW 13 | N 9 | SSW 21 | SSW 19 | SSW 19 | SSW 19 | N 13 | N 12 | SSW 18 | SSW 18 |
| kJ | 6 | 8 | 6 | 6 | 8 | 3 | 12 | 41 | 41 | 10 | 9 | 36 | 8 | 17 | 17 | 16 | 83 | 74 | 125 | 125 | 14 | 27 | 106 | 106 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | NE 7 | NNE 7 | NNE 4 | — | — | — | — | — | NNE 5 | — | — | — | — | — | — | — | NNE 5 | — | — | — |
| kJ | — | — | — | — | 27 | 37 | 7 | — | — | — | — | — | 19 | — | — | — | — | — | — | — | 18 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 19 | 20 | 20 | 100 | 98 | 14 | 26 | 26 | 39 | 14 | 20 | 98 | 100 | 39 | 96 | 19 | 96 | 20 | 14 | 98 | 100 | 28 | 97 | 97 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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