
Surf Forecasts:
Kiholo Bay surf forecast from 9 Aug 2026:
- Most powerful swell: Wednesday 12 Aug, 2PM (local time) - 1ft (0.3m), 13s period, WNW swell with 34 kJ wave energy.
Best Forecast Surf Conditions for Kiholo Bay this week:
The most powerful waves expected at Kiholo Bay in the next 16 days are 0.3m 13s and forecast to arrive on Wednesday (Aug 12) at 2PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 6s period and expected on Sunday (Aug 09) at 5PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 2PM (Wed 12th Aug) | 1ft (0.3m) 13s |
Table - best surf conditions forecast for Kiholo Bay over the next 16 days.
The Lowdown
Alright, Rusty here, giving you the long-range read on Kiholo Bay. Got to be honest with you, folks: the next 16 days are flat. Dead flat. If you’re hoping to get wet and catch a few, this isn’t the window.
From the 9th of August through the 15th, we’re looking at nothing but dinky, knee-high lines. The swell is a measly 0.2 to 0.3m out of the west to west-northwest. The combined energy is weak, like 28 or less. The wind offers a few glassy moments in the afternoons, like on the 10th and 11th, but you could count the rideable waves on one hand. Monday the 11th afternoon is dead calm with zero swell.
Week two doesn't get any better. From the 16th right through to the 24th of August, the swell is still tiny. There’s a slight bump to about 0.5m from the west on the 18th and 19th, with the energy creeping up to maybe 90, but that’s still a whisper. It’s just not enough to push any real shape. The wind gets glassy on the 21st, but again, nothing to ride.
This spot is a beach and point that is exposed to the west-northwest, which is the right direction for what little energy there is, but the height is pitiful. Nothing here gets above 1.5m, so it won’t scare anyone, but there’s also nothing to surf. The whole 16-day outlook is one long blank.
The break is usually fairly consistent, so this is an unusually dry spell. Things might change, but for now, the forecast is a big zero.
Stay patient,
Rusty
Short Range ForecastLight rain (total 4mm), mostly falling on Sun afternoon. Warm (max 29°C on Mon morning, min 26°C on Sat night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 29°C on Thu afternoon, min 25°C on Tue night). Wind will be generally light. | ||||||||||||||||||
Sunday 9 | Monday 10 | Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | ||||||||||||||
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) | NE 6 | W 13 | W 12 | W 12 | W 11 | W 11 | W 10 | SSW 14 | W 10 | W 11 | W 11 | WNW 13 | SSW 16 | WNW 12 | NNE 6 | W 12 | W 11 | W 12 | W 12 |
Wave Graph | |||||||||||||||||||
0 | 28 | 25 | 23 | 21 | 21 | 19 | 0 | 8 | 23 | 22 | 33 | 0 | 28 | 0 | 11 | 10 | 24 | 12 | |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | on | glassy | glassy | on | glassy | glassy | cross-on | glassy | glassy | cross-on | glassy | glassy | cross-on | cross | cross-off | cross-on | cross | cross-off |
High Tide | 00:39AM0.28m | 1:54PM0.86m | 1:45AM0.32m | 2:38PM0.90m | 2:37AM0.36m | 3:19PM0.90m | 3:24AM0.42m | 3:56PM0.88m | 4:09AM0.48m | 4:30PM0.83m | 4:54AM0.53m | 5:01PM0.75m | |||||||
Low Tide | 8:46PM0.20m | 6:08AM0.05m | 9:17PM0.15m | 7:11AM0.03m | 9:46PM0.12m | 8:06AM0.02m | 10:15PM0.10m | 8:56AM0.02m | 10:44PM0.08m | 9:44AM0.06m | 11:11PM0.08m | 10:32AM0.11m | 11:36PM0.08m | ||||||
— | 6:01 | — | — | 6:01 | — | — | 6:01 | — | — | 6:01 | — | — | 6:03 | — | — | 6:03 | — | — | |
6:55 | — | 6:55 | — | — | 6:54 | — | — | 6:54 | — | — | 6:53 | — | — | 6:52 | — | — | 6:52 | — | |
mm | — | — | 2 | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 28 | 28 | 27 | 29 | 28 | 27 | 28 | 29 | 26 | 28 | 28 | 26 | 28 | 29 | 27 | 28 | 29 | 26 |
Feels °C | 32 | 31 | 32 | 32 | 32 | 31 | 30 | 30 | 31 | 30 | 29 | 31 | 29 | 29 | 30 | 29 | 29 | 30 | 27 |
Swell 1 Height (m) Direction Period (s) | NE 6 | NE 7 | NE 6 | NNE 5 | NE 7 | NE 6 | NE 5 | NE 4 | NE 6 | NNE 5 | NNE 5 | NE 6 | NE 5 | SSW 16 | NNE 6 | SSW 14 | NNE 7 | NNE 7 | SSW 13 |
33 | 36 | 73 | 17 | 44 | 58 | 30 | 9 | 46 | 17 | 15 | 44 | 29 | 48 | 39 | 70 | 61 | 93 | 35 | |
Swell 2 Height (m) Direction Period (s) | NE 9 | W 13 | W 12 | W 12 | W 11 | SSW 15 | W 10 | NE 6 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | WNW 12 | SSW 15 | W 12 | SSW 14 | SSW 14 | W 12 |
13 | 28 | 25 | 23 | 21 | 47 | 19 | 19 | 40 | 35 | 32 | 32 | 32 | 28 | 44 | 11 | 69 | 40 | 11 | |
Swell 3 Height (m) Direction Period (s) | SSW 18 | NE 9 | SSW 12 | NE 7 | SSW 12 | W 11 | SSW 15 | SSW 14 | W 10 | W 11 | W 11 | WNW 13 | SSW 16 | SSW 12 | SSW 12 | S 18 | W 11 | W 12 | SW 17 |
30 | 13 | 15 | 8 | 14 | 21 | 23 | 41 | 8 | 23 | 22 | 33 | 51 | 28 | 28 | 6 | 10 | 24 | 12 | |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | NE 5 | — | NE 7 | — | — | NNE 8 |
— | — | — | — | — | — | — | — | — | — | — | — | — | 29 | — | 65 | — | — | 117 | |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 14 | 99 | 24 | 27 | 99 | 99 | 22 | 94 | 31 | 27 | 97 | 99 | 26 | 99 | 14 | 26 | 99 | 22 | 26 |
Best forecast wave conditions in Big Island | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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Information about the Kiholo Bay Surf forecast
The above surf forecast table for Kiholo Bay provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Kiholo Bay can be found by selecting the local surf guide option on the grey menu. Our Kiholo 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 (Kiholo 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 Kiholo 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.
Kiholo Bay is 89 km (55 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.











