Surf Forecasts:
Kapoho Bay surf forecast from 19 Jun 2026:
- Best quality surf: Tuesday 23 Jun, 5AM (local time) - 2ft (0.6m), 13s period, SE swell with cross-offshore winds.
- Most powerful swell: Wednesday 24 Jun, 11AM (local time) - 3ft (0.9m), 18s period, SSW swell with 510 kJ wave energy.
- Next surfable swell (1★+): Tuesday 23 Jun, 5AM (local time) - 2ft (0.6m), 13s period with SE swell.
Best Forecast Surf Conditions for Kapoho Bay this week:
The surf forecast for Kapoho Bay over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Jun 23) at 5AM. The primary swell is predicted to be 0.6m and 13s period with a secondary swell of 1.1m and 6s. Another secondary swell of 0.6m and 10s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Kapoho Bay in the next 16 days are 0.9m 18s and forecast to arrive on Wednesday (Jun 24) at 11AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 8s period and expected on Thursday (Jun 25) at 8AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Tue 23rd Jun) | 2ft (0.6m) 13s |
| Best Surf | 5AM (Tue 23rd Jun) | 2ft (0.6m) 13s |
| Most Powerful | 11AM (Wed 24th Jun) | 3ft (0.9m) 18s |
Table - best surf conditions forecast for Kapoho Bay over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 2mm), mostly falling on Sun night. Warm (max 26°C on Fri morning, min 23°C on Sun night). Wind will be generally light. | Days 4-6 Weather SummaryModerate rain (total 16mm), heaviest on Tue afternoon. Warm (max 25°C on Mon afternoon, min 23°C on Mon night). Wind will be generally light. | ||||||||||||||||||||
Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | S 13 | S 13 | S 16 | S 16 | S 15 | S 14 | S 19 | S 13 | S 18 | SE 14 | S 16 | SE 13 | NE 10 | S 15 | E 7 | SSW 18 | SSW 18 | SSW 16 | SSW 16 | ESE 8 | E 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 219 | 219 | 190 | 183 | 159 | 268 | 266 | 168 | 304 | 127 | 254 | 113 | 140 | 161 | 124 | 510 | 408 | 266 | 263 | 117 | 264 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross-on | cross-on | cross | cross | cross-on | cross | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-on |
High Tide | 7:08PM0.92m | 8:00AM0.55m | 7:50PM0.82m | 9:26AM0.60m | 8:32PM0.73m | 10:47AM0.68m | 9:20PM0.64m | 11:51AM0.76m | 10:16PM0.57m | 12:40PM0.83m | 11:18PM0.52m | 1:21PM0.88m | 00:17AM0.50m | ||||||||
Low Tide | 12:04PM0.22m | 2:14AM0.23m | 1:06PM0.33m | 2:58AM0.21m | 2:28PM0.43m | 3:42AM0.20m | 4:15PM0.48m | 4:24AM0.19m | 6:03PM0.48m | 5:05AM0.17m | 7:23PM0.44m | 5:46AM0.16m | 8:15PM0.39m | ||||||||
 |  |  | | | | | |  | | | | |  | | | | | | | | |
 | 5:41 | — | — | 5:41 | — | — | 5:41 | — | — | 5:41 | — | — | 5:41 | — | — | 5:41 | — | — | 5:41 | — | — |
 | — | 6:59 | — | — | 7:00 | — | — | 7:00 | — | — | 7:00 | — | — | 7:00 | — | — | 7:00 | — | — | 7:00 | — |
mm | — | — | — | — | — | — | — | — | 2 | — | — | 2 | — | 3 | 7 | 1 | — | 3 | 3 | 2 | 3 |
Temp °C | 26 | 26 | 25 | 25 | 25 | 24 | 25 | 25 | 24 | 24 | 25 | 24 | 24 | 25 | 24 | 25 | 25 | 24 | 25 | 25 | 24 |
Feels °C | 27 | 26 | 27 | 26 | 25 | 25 | 25 | 25 | 24 | 24 | 25 | 24 | 25 | 26 | 24 | 26 | 25 | 24 | 25 | 25 | 24 |
Swell 1 Height (m) Direction Period (s) | S 13 | E 6 | ESE 7 | E 7 | E 7 | E 7 | ESE 7 | ESE 7 | E 7 | E 7 | E 8 | E 6 | NE 10 | E 7 | E 7 | E 6 | ESE 7 | ESE 7 | SE 7 | ESE 8 | ESE 7 |
| kJ | 219 | 76 | 102 | 97 | 97 | 70 | 73 | 62 | 92 | 89 | 95 | 89 | 137 | 128 | 124 | 91 | 70 | 121 | 126 | 117 | 160 |
Swell 2 Height (m) Direction Period (s) | ESE 6 | S 13 | S 13 | S 16 | S 15 | S 14 | S 13 | S 13 | S 18 | NE 11 | NE 10 | NE 10 | E 7 | S 15 | NE 10 | SSW 18 | SSW 18 | NE 8 | NNE 8 | ENE 7 | NNE 7 |
| kJ | 50 | 219 | 163 | 183 | 159 | 268 | 173 | 168 | 304 | 112 | 132 | 98 | 46 | 161 | 74 | 510 | 408 | 84 | 112 | 73 | 59 |
Swell 3 Height (m) Direction Period (s) | S 18 | S 18 | S 16 | S 12 | S 12 | SE 16 | S 19 | SE 15 | NE 11 | SE 14 | S 16 | SE 13 | SE 13 | NE 9 | SE 13 | NE 10 | SE 12 | SSW 16 | SSW 16 | NNE 8 | SSW 14 |
| kJ | 163 | 160 | 190 | 99 | 101 | 91 | 266 | 136 | 96 | 127 | 254 | 113 | 140 | 70 | 104 | 94 | 72 | 266 | 263 | 67 | 165 |
Wind waves Height (m) Direction Period (s) | E 6 | — | — | — | — | — | — | — | — | — | — | — | E 7 | — | — | — | NE 9 | — | ENE 7 | — | E 7 |
| kJ | 74 | — | — | — | — | — | — | — | — | — | — | — | 100 | — | — | — | 141 | — | 71 | — | 264 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 212 | 112 | 38 | 208 | 121 | 208 | 208 | 210 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 38 | 35 | 35 | 35 |
Best forecast wave conditions in Big Island | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Kapoho Bay surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Kapoho Bay Surf forecast
The above surf forecast table for Kapoho Bay provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Kapoho Bay can be found by selecting the local surf guide option on the grey menu. Our Kapoho Bay surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Kapoho Bay) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Kapoho Bay may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Kapoho Bay is 37 km (23 miles) from Hilo. If you plan a vacation in Big Island, look for hotels and other accommodation in Hilo. Hilo has rooms for a wide range of budgets as well as car hire and transport links.
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