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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 7 am Friday 15 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
25.8° C
(Which is slightly warmer than usual)How big are the waves at Kua Bay today?
The current surf forecast for Kua Bay at 12PM is: 0.3m 13s primary swell from a Northwest direction (forecast issued at 07:00am May 15). An open ocean swell of 0.5m 7s is not directed at the surf break, a second open ocean swell of 0.4m 7s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 May) | 1.5ft (0.4m) | 13s |
| Afternoon (15 May) | 1ft (0.3m) | 13s |
| Evening (15 May) | 1ft (0.3m) | 12s |
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 Sat afternoon. Warm (max 27°C on Sat morning, min 24°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Friday 15 | Saturday 16 | Sunday 17 | Mon 18 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
NW 14 | NW 13 | NW 13 | NW 13 | SW 16 | NW 12 | NW 12 | NW 12 | NNW 12 | SW 16 | SW 15 | SW 14 | SW 15 | SW 14 | SW 14 | NE 8 | NNW 11 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 21 | SW 14 | |
29 | 46 | 27 | 27 | 40 | 23 | 23 | 23 | 14 | 38 | 33 | 33 | 33 | 33 | 33 | 0 | 11 | 32 | 33 | 32 | 32 | 31 | 18 | 30 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | cross-on | cross-on | cross-on | glassy | glassy | cross-off | cross-on | glassy | cross-on | cross | on | cross-on | cross-on | glassy | glassy | glassy | on | cross-on | cross | cross-off | cross | glassy | |
High Tide | 2:12AM0.45m | 3:19PM0.90m | 2:58AM0.40m | 4:02PM0.94m | 3:44AM0.36m | 4:48PM0.95m | ||||||||||||||||||
Low Tide | 8:07AM-0.01m | 10:12PM0.15m | 8:43AM-0.03m | 11:07PM0.14m | 9:22AM-0.03m | 00:03AM0.13m | ||||||||||||||||||
 |  | | |  |  | | | | | |  | | | | | | | | | | | | | |
 | 5:48 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:47 | — | — | — | — | — | — | 5:47 |
 | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | 6:52 |
— | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 24 | 25 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 26 | 27 | 26 | 26 | 25 | 24 | 24 | 24 | 26 | 27 | 27 | 26 | 25 | 25 | 25 |
28 | 27 | 27 | 27 | 28 | 29 | 28 | 28 | 28 | 29 | 29 | 26 | 28 | 26 | 25 | 28 | 28 | 30 | 29 | 29 | 27 | 27 | 28 | 29 | |
Swell 1 Height (m) Direction Period (s) | NE 7 | NNE 7 | NNE 7 | NE 7 | NE 7 | NE 7 | NE 6 | NE 7 | NE 7 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 5 | NE 8 | NE 8 |
 kJ | 50 | 32 | 28 | 59 | 60 | 47 | 43 | 50 | 53 | 45 | 64 | 75 | 46 | 46 | 46 | 48 | 51 | 53 | 53 | 64 | 77 | 23 | 65 | 51 |
Swell 2 Height (m) Direction Period (s) | NW 14 | NW 13 | NE 7 | NW 13 | NW 12 | ENE 8 | ENE 8 | NW 12 | SSW 14 | SW 16 | SW 15 | SW 14 | SW 15 | SW 14 | SW 14 | SSW 14 | SSW 14 | SW 14 | SW 14 | SW 14 | SW 14 | NE 8 | SW 14 | SW 14 |
| kJ | 29 | 46 | 14 | 27 | 25 | 11 | 6 | 23 | 18 | 38 | 33 | 33 | 33 | 33 | 33 | 20 | 20 | 32 | 33 | 32 | 32 | 23 | 46 | 30 |
Swell 3 Height (m) Direction Period (s) | N 8 | ENE 8 | NW 13 | SSW 16 | SW 16 | NW 12 | NW 12 | SSW 13 | NNW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | SSW 17 | NNW 11 | SSW 15 | SSW 16 | SSW 16 | SSW 21 | SW 14 | SW 21 | S 14 |
| kJ | 13 | 6 | 27 | 25 | 40 | 23 | 23 | 18 | 14 | 5 | 5 | 5 | 5 | 5 | 5 | 28 | 11 | 23 | 24 | 24 | 45 | 31 | 18 | 16 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 4 | 4 | 97 | 97 | 97 | 4 | 4 | 96 | 20 | 4 | 98 | 97 | 53 | 51 | 20 | 14 | 4 | 14 | 98 | 100 | 30 | 96 | 96 | 14 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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