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Surf Forecasts:
Kapoho Bay surfForecast / HAW – Big Island / USA
48hr Weather and Surf, issued 7 am Monday 04 May 2026 HSTForecast update in hr min s Forecast update imminent
Kapoho Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Kapoho Bay sea temperature is
25.1° C
(Which is slightly warmer than usual)How big are the waves at Kapoho Bay today?
The current surf forecast for Kapoho Bay at 2PM is: 1.2m 7s primary swell from a East-northeast direction and 0.9m 9s secondary swell from a East-southeast direction (forecast issued at 07:00am May 04). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 May) | 4ft (1.2m) | 7s |
| Afternoon (04 May) | 4ft (1.2m) | 7s |
| Evening (04 May) | 4ft (1.2m) | 9s |
Table - waves today at Kapoho Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 4mm), mostly falling on Mon morning. Warm (max 25°C on Tue afternoon, min 23°C on Mon morning). Wind will be generally light. | ||||||||||||||||||||||||
Monday 4 | Tuesday 5 | Wednesday 6 | Thu 7 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ESE 9 | E 8 | E 9 | E 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 8 | ESE 8 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | |
142 | 157 | 157 | 157 | 153 | 194 | 307 | 395 | 348 | 295 | 288 | 245 | 212 | 207 | 246 | 222 | 237 | 217 | 203 | 181 | 177 | 177 | 173 | 202 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on | on | on | cross-on | on | on | on | on | on | cross-on | on | glassy | cross-on | |
High Tide | 3:55AM0.52m | 5:15PM0.93m | 4:22AM0.49m | 5:57PM0.89m | 4:51AM0.45m | 6:45PM0.85m | ||||||||||||||||||
Low Tide | 9:54AM0.10m | 00:07AM0.35m | 10:24AM0.13m | 1:05AM0.38m | 10:56AM0.17m | |||||||||||||||||||
 |  | |  |  | | |  |  | | | | | | | | | | | | | | | | |
 | 5:48 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — | 5:47 |
 | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:43 | — | — | 6:44 |
1 | 1 | 1 | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 24 | 24 | 25 | 24 | 24 | 23 | 23 | 23 | 23 | 24 | 25 | 25 | 24 | 24 | 24 |
25 | 24 | 24 | 24 | 24 | 25 | 24 | 24 | 24 | 24 | 24 | 25 | 24 | 25 | 24 | 25 | 26 | 26 | 26 | 27 | 27 | 27 | 28 | 27 | |
Swell 1 Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ESE 9 | ESE 9 | ESE 9 | E 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 8 | ESE 8 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 8 | ESE 8 | ESE 8 | ESE 8 |
 kJ | 142 | 157 | 157 | 157 | 153 | 194 | 222 | 244 | 348 | 295 | 288 | 245 | 212 | 207 | 246 | 222 | 237 | 217 | 203 | 181 | 177 | 177 | 173 | 202 |
Swell 2 Height (m) Direction Period (s) | ESE 8 | ESE 8 | ESE 8 | ESE 9 | ESE 9 | NE 7 | ENE 7 | ENE 7 | SSW 12 | NE 7 | NE 7 | NE 6 | NE 6 | NE 6 | NNW 12 | NNW 11 | SSW 18 | SSW 18 | SSW 18 | NE 7 | S 16 | S 16 | S 16 | S 16 |
| kJ | 78 | 61 | 61 | 154 | 151 | 112 | 90 | 83 | 50 | 36 | 36 | 33 | 32 | 32 | 53 | 48 | 103 | 103 | 102 | 17 | 131 | 131 | 131 | 131 |
Swell 3 Height (m) Direction Period (s) | S 14 | S 13 | S 13 | S 13 | S 13 | SSW 13 | SSW 13 | SSW 12 | NW 13 | NW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | SSW 12 | SSW 17 | NNW 11 | NNW 11 | NNW 11 | NNW 11 | NE 7 | NE 7 | NE 7 | NE 7 |
| kJ | 93 | 90 | 89 | 87 | 86 | 55 | 54 | 51 | 40 | 37 | 56 | 56 | 55 | 54 | 26 | 59 | 47 | 47 | 46 | 46 | 17 | 18 | 18 | 19 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | E 8 | E 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | 307 | 395 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 33 | 35 | 35 | 35 | 35 | 35 | 35 | 33 | 33 | 33 | 35 | 35 | 35 | 35 | 35 | 33 | 33 | 33 | 38 | 106 | 112 | 35 | 0 | 33 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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