Surf Forecasts:
Kapoho Bay surf forecast from 9 Jun 2026:
- Best quality surf: Saturday 13 Jun, 5AM (local time) - 2ft (0.6m), 24s period, SSW swell with cross-offshore winds.
- Most powerful swell: Sunday 14 Jun, 8AM (local time) - 3.5ft (1.0m), 19s period, SSW swell with 804 kJ wave energy.
- Next surfable swell (1★+): Thursday 11 Jun, 11PM (local time) - 2ft (0.6m), 16s period with S 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 Thursday (Jun 11) at 11PM. The primary swell is predicted to be 0.6m and 16s period with a secondary swell of 1.1m and 8s. 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 1.0m 19s and forecast to arrive on Sunday (Jun 14) at 8AM. Winds are predicted to be cross-offshore at the time the swell arrives.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Thu 11th Jun) | 2ft (0.6m) 16s |
| Best Surf | 5AM (Sat 13th Jun) | 2ft (0.6m) 24s |
| Most Powerful | 8AM (Sun 14th Jun) | 3.5ft (1.0m) 19s |
Table - best surf conditions forecast for Kapoho Bay over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 16mm), heaviest on Tue morning. Warm (max 25°C on Tue afternoon, min 23°C on Mon night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 2mm), mostly falling on Thu night. Warm (max 25°C on Sun morning, min 23°C on Thu night). Wind will be generally light. | ||||||||||||||||||||
Tuesday 9 | Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | Mon 15 | |||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | S 16 | S 15 | S 15 | SSW 24 | SSW 22 | SSW 21 | SSW 20 | SSW 19 | SSW 18 | SSW 17 | SSW 16 | SSW 16 |
Wave Graph  | |||||||||||||||||||||
 kJ | 318 | 327 | 327 | 316 | 273 | 273 | 226 | 169 | 169 | 183 | 155 | 205 | 317 | 485 | 476 | 678 | 780 | 677 | 763 | 554 | 527 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross-off | cross-on | cross | cross | cross | cross | cross-off | cross-off | cross | cross-on | cross | cross |
High Tide | 9:16PM0.74m | 11:20AM0.70m | 10:12PM0.68m | 12:15PM0.83m | 11:12PM0.63m | 1:04PM0.95m | 00:10AM0.59m | 1:51PM1.05m | 1:06AM0.56m | 2:37PM1.12m | 1:59AM0.54m | 3:24PM1.16m | 2:51AM0.52m | 4:11PM1.16m | |||||||
Low Tide | 4:23AM0.18m | 4:54PM0.45m | 5:04AM0.13m | 6:23PM0.42m | 5:46AM0.07m | 7:34PM0.37m | 6:30AM0.02m | 8:33PM0.32m | 7:15AM-0.02m | 9:26PM0.28m | 8:01AM-0.05m | 10:17PM0.25m | 8:48AM-0.05m | ||||||||
 |  | | | |  | | | | | | |  | | | | | | | | | |
 | — | 5:39 | — | — | 5:39 | — | — | 5:39 | — | — | 5:39 | — | — | 5:39 | — | — | 5:39 | — | — | 5:39 | — |
 | 6:55 | — | 6:55 | — | — | 6:57 | — | — | 6:57 | — | — | 6:57 | — | — | 6:58 | — | — | 6:58 | — | — | 6:58 |
mm | 3 | 3 | 3 | 3 | 2 | — | 2 | — | — | 1 | 1 | — | — | — | — | — | — | — | 8 | 1 | — |
Temp °C | 24 | 24 | 25 | 24 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 24 | 24 | 25 |
Feels °C | 23 | 25 | 24 | 25 | 25 | 25 | 25 | 25 | 24 | 25 | 24 | 24 | 25 | 24 | 23 | 25 | 24 | 25 | 25 | 23 | 24 |
Swell 1 Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 7 | E 7 | ENE 7 | ENE 7 | SSW 21 | SSW 20 | SSW 19 | SSW 18 | SSW 17 | ENE 6 | ENE 11 |
| kJ | 318 | 327 | 327 | 316 | 273 | 273 | 226 | 169 | 169 | 138 | 131 | 106 | 82 | 63 | 476 | 678 | 780 | 677 | 763 | 104 | 256 |
Swell 2 Height (m) Direction Period (s) | S 16 | S 15 | S 15 | S 15 | S 14 | S 13 | S 13 | S 18 | S 17 | S 16 | S 15 | S 15 | SSW 24 | SSW 22 | ENE 7 | ENE 7 | ENE 7 | S 12 | ENE 6 | SSW 16 | SSW 16 |
| kJ | 254 | 163 | 153 | 104 | 91 | 55 | 85 | 154 | 143 | 183 | 155 | 205 | 317 | 485 | 62 | 47 | 57 | 75 | 104 | 554 | 527 |
Swell 3 Height (m) Direction Period (s) | S 12 | S 11 | S 11 | S 11 | S 10 | S 10 | S 19 | S 12 | S 12 | S 12 | S 12 | S 11 | S 14 | S 13 | S 13 | S 12 | S 12 | SE 19 | S 12 | SSE 12 | SSE 11 |
| kJ | 67 | 38 | 37 | 35 | 35 | 35 | 62 | 49 | 46 | 71 | 44 | 21 | 100 | 127 | 125 | 77 | 76 | 15 | 72 | 45 | 40 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | ENE 7 | — | ENE 7 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 40 | — | 57 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 33 | 35 | 35 | 35 | 35 | 35 | 33 | 35 | 35 | 0 | 35 | 35 | 116 | 112 | 210 | 0 | 107 | 35 | 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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