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Surf Forecasts:
Kapaniah surfForecast / HAW – Big Island / USA
48hr Weather and Surf, issued 1 pm Tuesday 05 May 2026 HSTForecast update in hr min s Forecast update imminent
Kapaniah surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Kapaniah sea temperature is
25.5° C
(Which is slightly warmer than usual)How big are the waves at Kapaniah today?
The current surf forecast for Kapaniah at 9PM is: 1.2m 7s primary swell from a East direction and 0.4m 11s secondary swell from a Northwest direction, 0.2m 7s secondary swell from a North direction (forecast issued at 01:00pm May 05). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 May) | 3.5ft (1.1m) | 7s |
| Afternoon (05 May) | 5ft (1.5m) | 6s |
| Evening (05 May) | 4ft (1.2m) | 7s |
Table - waves today at Kapaniah. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 25°C on Tue afternoon, min 23°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Tue 5 | Wednesday 6 | Thursday 7 | Fri 8 | |||||||||||||||||||||
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 | 5 AM | 8 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
E 7 | E 6 | E 6 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | NW 16 | NW 16 | NNW 12 | NNW 11 | NNW 10 | NW 14 | NNW 13 | NNW 13 | |
157 | 154 | 132 | 130 | 131 | 58 | 63 | 46 | 46 | 46 | 49 | 48 | 49 | 49 | 49 | 66 | 69 | 68 | 167 | 186 | 136 | 186 | 321 | 265 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | glassy | on | on | cross-on | on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 5:46PM0.83m | 3:27AM0.43m | 6:37PM0.79m | 7:36PM0.77m | ||||||||||||||||||||
Low Tide | 9:52AM0.12m | 1:24AM0.42m | 10:21AM0.15m | 10:55AM0.20m | ||||||||||||||||||||
 |  | |  | | | | | | | | | | | | | | | | |  | | | | |
 | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:48 | — |
 | — | — | 6:47 | — | — | — | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:49 | — | — | — | — | 6:49 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 24 | 25 | 24 | 24 | 24 | 23 | 23 | 24 | 25 | 25 | 25 | 24 | 24 | 23 | 23 | 24 | 25 | 25 | 25 | 24 | 23 | 23 | 23 | 24 |
22 | 24 | 23 | 24 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 24 | 25 | 25 | 25 | 25 | 25 | 24 | 23 | 24 | 23 | |
Swell 1 Height (m) Direction Period (s) | NNW 12 | NNW 12 | NNW 12 | NW 11 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | NNW 12 | NNW 11 | NNW 10 | NNW 10 | NNW 13 | NNW 13 |
 kJ | 56 | 55 | 54 | 33 | 119 | 58 | 63 | 46 | 46 | 46 | 49 | 48 | 49 | 49 | 49 | 66 | 66 | 64 | 167 | 186 | 136 | 143 | 321 | 265 |
Swell 2 Height (m) Direction Period (s) | NE 10 | SW 18 | NE 9 | N 7 | NNW 11 | NE 6 | NE 6 | NE 6 | NE 7 | NW 11 | NNW 10 | NE 8 | NE 7 | NE 7 | NE 7 | NW 10 | NW 16 | NNW 12 | NW 15 | NW 15 | NNW 13 | NW 14 | NE 9 | NE 9 |
| kJ | 4 | 12 | 3 | 4 | 47 | 19 | 21 | 14 | 16 | 29 | 42 | 24 | 17 | 17 | 17 | 24 | 69 | 60 | 113 | 57 | 108 | 186 | 13 | 13 |
Swell 3 Height (m) Direction Period (s) | SW 18 | N 8 | SW 18 | NE 9 | NE 7 | NNW 11 | NNW 11 | NNW 11 | NW 11 | NE 8 | NE 8 | NW 10 | NW 10 | NW 10 | NW 10 | NW 17 | NW 10 | NW 16 | NE 10 | NE 10 | NW 15 | E 8 | SW 14 | SW 14 |
| kJ | 12 | 1 | 12 | 3 | 11 | 47 | 47 | 46 | 30 | 10 | 23 | 25 | 25 | 25 | 25 | 46 | 24 | 68 | 4 | 4 | 56 | 48 | 8 | 7 |
Wind waves Height (m) Direction Period (s) | E 7 | E 6 | E 6 | E 7 | E 8 | — | — | — | — | — | — | — | — | ENE 2 | ENE 3 | ENE 7 | ENE 3 | ENE 4 | E 8 | E 8 | E 8 | ENE 7 | E 8 | E 8 |
| kJ | 157 | 154 | 132 | 130 | 131 | — | — | — | — | — | — | — | — | 1 | 1 | 32 | 10 | 18 | 131 | 100 | 84 | 18 | 84 | 104 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 83 | 92 | 83 | 81 | 10 | 10 | 0 | 3 | 83 | 81 | 81 | 72 | 68 | 68 | 68 | 57 | 81 | 83 | 33 | 30 | 30 | 30 | 30 | 30 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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