Surf Forecasts:
Kiholo Bay surf forecast from 14 Jul 2026:
- Best quality surf: Tuesday 14 Jul, 8PM (local time) - 2.5ft (0.7m), 16s period, W swell with cross-offshore winds.
- Most powerful swell: Wednesday 15 Jul, 8AM (local time) - 2.5ft (0.8m), 16s period, W swell with 314 kJ wave energy.
- Next surfable swell (1★+): Tuesday 14 Jul, 5AM (local time) - 1.5ft (0.5m), 18s period with W swell.
Best Forecast Surf Conditions for Kiholo Bay this week:
The surf forecast for Kiholo Bay over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Jul 14) at 5AM. The primary swell is predicted to be 0.5m and 18s period. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Kiholo Bay in the next 16 days are 0.8m 16s and forecast to arrive on Wednesday (Jul 15) at 8AM. 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 7s period and expected on Tuesday (Jul 14) at 5PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Tue 14th Jul) | 1.5ft (0.5m) 18s |
| Best Surf | 8PM (Tue 14th Jul) | 2.5ft (0.7m) 16s |
| Most Powerful | 8AM (Wed 15th Jul) | 2.5ft (0.8m) 16s |
Table - best surf conditions forecast for Kiholo Bay over the next 16 days.
The Lowdown
Alright, Rusty here. Let’s cut to it—this is a quiet stretch for Kiholo Bay. The water is sitting at about 80°, which is right where it should be for this time of year.
The best window is this Tuesday, July 14th. We’ve got a small, clean little pulse of swell from the west, about 2ft, with a period of 16 to 19 seconds. That’s a long-period groundswell, so the waves will have some push and shape, even if they’re small. The combined energy is moderate (251). The wind is light in the morning, going glassy by afternoon. For a beach and point setup like Kiholo Bay, that long period can wrap in and give you some fun little lines. It’s a consistent spot, so you’ll get a wave or two. Crowds are just “sometimes” an issue, so you might have a few folks out.
Wednesday the 15th is similar—2 to 3ft, west swell, period around 15 to 16 seconds, and offshore wind in the morning. That’s clean. Energy stays moderate (310). Thursday is the same size but with a light cross-on, still rideable.
Friday the 17th afternoon, the swell drops to about 2ft, but the wind goes glassy. The energy is down to 146 (moderate), period at 14 seconds. It’s surfable, but tiny and weak.
From Saturday the 18th onward, it’s a ghost town. Saturday morning has 2ft with energy down to 89 (weak). By Sunday the 19th, we’re looking at 1ft or less, with energy in the 30s and 50s. From Monday July 20th all the way through July 29th, there’s no swell—most days show zero wave energy. You’ll see glassy afternoons and even some rain showers, but no waves to ride.
So, if you’ve got a longboard, Tuesday morning through Wednesday morning is your best bet. After that, put the board away for a week and a half.
Rusty.
Short Range ForecastLight rain (total 2mm), mostly falling on Tue night. Warm (max 27°C on Tue morning, min 24°C on Tue night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 28°C on Fri morning, min 25°C on Sat night). Wind will be generally light. | ||||||||||||||||||||
Tuesday 14 | Wednesday 15 | Thursday 16 | Friday 17 | Saturday 18 | Sunday 19 | Monday 20 | |||||||||||||||
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) | W 19 | W 16 | W 17 | W 16 | W 15 | W 15 | W 15 | W 15 | W 14 | W 14 | W 14 | W 14 | W 13 | W 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | W 12 | W 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 251 | 267 | 270 | 310 | 302 | 287 | 275 | 272 | 206 | 203 | 146 | 138 | 89 | 87 | 57 | 50 | 29 | 29 | 27 | 11 | 11 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | glassy | on | cross | cross-on | cross-on | cross-on | glassy | on | glassy | glassy | on | glassy | cross-off | on | glassy | glassy | on | glassy | glassy |
High Tide | 4:20PM0.95m | 4:20AM0.36m | 5:00PM0.91m | 5:12AM0.40m | 5:38PM0.84m | 6:07AM0.44m | 6:12PM0.76m | 7:04AM0.47m | 6:44PM0.67m | 8:08AM0.51m | 7:13PM0.57m | 9:17AM0.55m | 7:39PM0.48m | ||||||||
Low Tide | 8:57AM-0.02m | 11:28PM0.10m | 9:46AM0.01m | 00:03AM0.10m | 10:35AM0.06m | 00:36AM0.10m | 11:25AM0.14m | 1:08AM0.10m | 12:19PM0.23m | 1:39AM0.11m | 1:24PM0.31m | 2:11AM0.12m | 2:54PM0.37m | 2:45AM0.13m | |||||||
 | |  | | |  | | |  | | | | | | | | | | | | | |
 | 5:52 | — | — | 5:52 | — | — | 5:52 | — | — | 5:52 | — | — | 5:54 | — | — | 5:54 | — | — | 5:54 | — | — |
 | — | 7:06 | — | — | 7:06 | — | — | 7:05 | — | — | 7:05 | — | — | 7:05 | — | — | 7:05 | — | — | 7:05 | — |
mm | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 27 | 25 | 26 | 26 | 25 | 27 | 27 | 26 | 28 | 28 | 26 | 27 | 28 | 26 | 27 | 28 | 26 | 27 | 27 | 26 |
Feels °C | 29 | 29 | 28 | 28 | 28 | 28 | 29 | 29 | 30 | 31 | 31 | 29 | 29 | 30 | 29 | 30 | 31 | 30 | 29 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | NNE 7 | NNE 7 | NNE 8 | W 16 | NNE 7 | W 15 | W 15 | NNE 7 | NNE 7 | NNE 7 | NNE 6 | NNE 7 | NNE 7 | NE 6 | NE 6 | NNE 7 | WNW 12 | NNE 6 | NNE 6 | NE 6 | NNE 7 |
| kJ | 57 | 78 | 64 | 310 | 77 | 287 | 275 | 75 | 59 | 57 | 52 | 44 | 57 | 40 | 49 | 81 | 29 | 36 | 32 | 31 | 41 |
Swell 2 Height (m) Direction Period (s) | W 19 | W 16 | W 17 | NNE 7 | W 15 | NNE 7 | NNE 7 | W 15 | W 14 | W 14 | W 14 | W 14 | W 13 | W 13 | WNW 13 | WNW 12 | NNE 8 | WNW 12 | NE 5 | NNE 7 | W 12 |
| kJ | 251 | 267 | 270 | 47 | 302 | 62 | 48 | 272 | 206 | 203 | 146 | 138 | 89 | 87 | 57 | 50 | 12 | 29 | 13 | 10 | 11 |
Swell 3 Height (m) Direction Period (s) | SW 14 | SW 13 | SW 13 | SW 13 | SW 14 | SW 16 | SW 13 | SW 13 | SW 12 | SSW 16 | SSW 12 | SSW 15 | SSW 10 | NNE 7 | NNE 8 | SW 11 | SW 11 | SSW 12 | WNW 12 | W 12 | SSW 11 |
| kJ | 47 | 46 | 44 | 43 | 49 | 63 | 42 | 42 | 36 | 25 | 13 | 21 | 11 | 17 | 21 | 5 | 5 | 13 | 27 | 11 | 12 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NE 6 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 58 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 21 | 10 | 0 | 23 | 10 | 4 | 21 | 4 | 0 | 19 | 0 | 0 | 21 | 0 | 27 | 99 | 99 | 26 | 97 | 43 | 27 |
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.
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