Surf Forecasts:
Waipio Bay surf forecast from 20 Jul 2026:
- Most powerful swell: Monday 27 Jul, 5AM (local time) - 7ft (2.1m), 15s period, E swell with 1,860 kJ wave energy.
Best Forecast Surf Conditions for Waipio Bay this week:
The most powerful waves expected at Waipio Bay in the next 16 days are 2.1m 15s and forecast to arrive on Monday (Jul 27) at 5AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.2m 12s period and expected on Monday (Jul 20) at 11AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 5AM (Mon 27th Jul) | 7ft (2.1m) 15s |
Table - best surf conditions forecast for Waipio Bay over the next 16 days.
Short Range ForecastLight rain (total 3mm), mostly falling on Tue afternoon. Warm (max 27°C on Mon morning, min 24°C on Tue night). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 2mm), mostly falling on Sat night. Warm (max 27°C on Thu morning, min 24°C on Thu night). Mainly fresh winds. | ||||||||||||||||||||
Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | Sunday 26 | |||||||||||||||
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) | ENE 7 | E 7 | ENE 7 | ENE 7 | E 7 | ENE 7 | ENE 11 | E 12 | ENE 11 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | NE 8 | E 17 | E 16 | E 16 | E 15 | E 15 |
Wave Graph  | |||||||||||||||||||||
 kJ | 193 | 131 | 140 | 247 | 218 | 171 | 439 | 574 | 693 | 240 | 255 | 212 | 297 | 302 | 277 | 301 | 1290 | 1524 | 1415 | 1314 | 1735 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | on | on | cross-on |
High Tide | 8:20AM0.59m | 6:34PM0.63m | 10:08AM0.64m | 6:37PM0.56m | 11:34AM0.70m | 12:26PM0.76m | 1:05PM0.82m | 11:14PM0.43m | 1:39PM0.86m | 00:17AM0.44m | 2:09PM0.90m | 1:02AM0.46m | |||||||||
Low Tide | 1:10PM0.48m | 2:08AM0.22m | 3:43PM0.54m | 2:59AM0.21m | 3:58AM0.20m | 4:57AM0.17m | 8:29PM0.40m | 5:49AM0.14m | 8:42PM0.37m | 6:33AM0.10m | 9:01PM0.35m | ||||||||||
 |  |  | |  |  | | | | | | | | |  | | | | | | | |
 | 5:52 | — | — | 5:52 | — | — | 5:52 | — | — | 5:54 | — | — | 5:54 | — | — | 5:54 | — | — | 5:54 | — | — |
 | — | 7:04 | — | — | 7:02 | — | — | 7:02 | — | — | 7:02 | — | — | 7:01 | — | — | 7:01 | — | — | 7:01 | — |
mm | — | — | — | — | 1 | 2 | — | — | — | — | — | — | — | — | — | — | — | 2 | 1 | — | 1 |
Temp °C | 27 | 27 | 26 | 27 | 26 | 25 | 26 | 26 | 24 | 27 | 27 | 25 | 27 | 27 | 25 | 27 | 27 | 25 | 25 | 25 | 24 |
Feels °C | 27 | 28 | 28 | 28 | 27 | 26 | 26 | 25 | 23 | 24 | 27 | 24 | 24 | 25 | 23 | 26 | 25 | 25 | 25 | 27 | 25 |
Swell 1 Height (m) Direction Period (s) | W 12 | NNE 7 | ENE 7 | E 15 | E 13 | E 12 | W 10 | NNE 7 | NNW 11 | NNW 10 | NNW 10 | ENE 10 | E 18 | E 16 | ENE 8 | NE 8 | E 17 | E 16 | E 16 | E 15 | E 15 |
| kJ | 11 | 62 | 140 | 38 | 84 | 136 | 2 | 19 | 12 | 10 | 10 | 34 | 96 | 130 | 277 | 291 | 1290 | 1524 | 1415 | 1314 | 1735 |
Swell 2 Height (m) Direction Period (s) | E 13 | E 13 | E 12 | W 11 | W 11 | W 11 | N 12 | N 12 | SE 15 | SE 15 | SE 14 | NNW 10 | NNW 9 | ENE 9 | E 15 | E 14 | E 17 | NE 8 | SE 12 | NE 8 | NNE 8 |
| kJ | 3 | 13 | 25 | 9 | 2 | 2 | 3 | 3 | 8 | 8 | 8 | 9 | 8 | 16 | 275 | 257 | 1290 | 373 | 5 | 257 | 166 |
Swell 3 Height (m) Direction Period (s) | W 12 | W 11 | E 16 | E 15 | E 11 | N 13 | S 16 | W 10 | W 10 | W 10 | W 10 | E 18 | S 13 | NNW 9 | ENE 9 | E 18 | ENE 8 | SE 12 | — | — | SE 9 |
| kJ | 11 | 10 | 19 | 38 | 20 | 3 | 5 | 2 | 2 | 2 | 2 | 6 | 3 | 8 | 8 | 301 | 14 | 6 | — | — | 13 |
Wind waves Height (m) Direction Period (s) | ENE 7 | E 7 | — | ENE 7 | E 7 | ENE 7 | ENE 11 | E 12 | ENE 11 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | — | — | NE 8 | — | NE 8 | — | — |
| kJ | 193 | 131 | — | 247 | 218 | 171 | 439 | 574 | 693 | 240 | 255 | 212 | 297 | 302 | — | — | 321 | — | 284 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 103 | 81 | 65 | 68 | 105 | 28 | 28 | 73 | 64 | 105 | 71 | 64 | 71 | 105 | 70 | 61 | 105 | 61 | 105 | 68 | 68 |
Best forecast wave conditions in Big Island | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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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 Waipio 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 Waipio Bay Surf forecast
The above surf forecast table for Waipio Bay provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Waipio Bay can be found by selecting the local surf guide option on the grey menu. Our Waipio 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 (Waipio 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 Waipio 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.
Waipio Bay is 68 km (42 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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