Surf Forecasts:
Kiholo Bay surf forecast from 11 Jul 2026:
- Best quality surf: Tuesday 14 Jul, 8PM (local time) - 2.5ft (0.7m), 16s period, W swell with glassy 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★+): Saturday 11 Jul, 5AM (local time) - 1ft (0.3m), 19s period with SW 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 Saturday (Jul 11) at 5AM. The primary swell is predicted to be 0.3m and 19s period with a secondary swell of 0.3m and 13s. 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 glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 7s period and expected on Sunday (Jul 12) at 5PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Sat 11th Jul) | 1ft (0.3m) 19s |
| 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.
Hey crew, Rusty here. Let’s break down the next couple weeks for Kiholo Bay. It’s gonna be a quiet stretch overall.
This weekend? Forget it. Tiny surf, messy winds, nothing doing. We got a dry spell right from the start. Things start to stir just a bit on Monday, 13 July. There’s a long-period groundswell from the SW with 15 second intervals, but the waves are only about 1 foot, and energy is moderate at best (104). There’s a glassy window in the morning, but it’s pretty underwhelming.
Through the week the swell builds slowly. The real highlight hits Thursday, 16 July in the afternoon. That’s when we get clean, glassy conditions and waves around 2 to 3 feet from the west, with a 15 second period. The combined energy is strong at 272. Kiholo Bay (Big Island) is a beach and point spot, so that long-period west swell should wrap in with some shape. Water’s about average for this time of year. It’s an intermediate wave, and you might run into a few others out there, but that Thursday session is your best shot by a mile.
After that, it fades fast. Friday, 17 July has a little clean waist-high swell left, but energy drops sharply. From the weekend onward, it’s flat or near-flat through at least the 26th. A couple of little pulses from the SW show up on the 24th and 25th but they’re barely a ripple, with energy in the 30s and 40s. A long, quiet stretch.
Don’t waste your time early on. Mark Thursday, 16 July afternoon as the one. The rest is a waiting game.
Stay sharp,
Rusty
Short Range ForecastSome drizzle, heaviest during Sun afternoon. Warm (max 28°C on Sat morning, min 25°C on Sat night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 4mm), mostly falling on Tue afternoon. Warm (max 27°C on Wed morning, min 24°C on Mon night). Wind will be generally light. | ||||||||||||||||||||
Saturday 11 | Sunday 12 | Monday 13 | Tuesday 14 | Wednesday 15 | Thursday 16 | Fri 17 | |||||||||||||||
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) | W 13 | W 14 | W 14 | W 13 | W 13 | W 13 | W 12 | SW 15 | W 12 | W 18 | W 19 | W 16 | W 17 | W 16 | W 15 | W 15 | W 15 | W 15 | W 14 | W 14 | W 14 |
Wave Graph  | |||||||||||||||||||||
 kJ | 29 | 61 | 64 | 55 | 30 | 28 | 26 | 78 | 26 | 162 | 251 | 267 | 270 | 310 | 302 | 287 | 275 | 272 | 206 | 203 | 146 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-on | cross | glassy | glassy | cross | cross-off | glassy | glassy | cross-off | cross-on | on | glassy | cross-on | cross-on | glassy | on | glassy | glassy | glassy | glassy |
High Tide | 00:23AM0.30m | 2:06PM0.88m | 1:35AM0.30m | 2:53PM0.93m | 2:35AM0.31m | 3:38PM0.95m | 3:29AM0.33m | 4:20PM0.95m | 4:20AM0.36m | 5:00PM0.91m | 5:12AM0.40m | 5:38PM0.84m | 6:07AM0.44m | 6:12PM0.76m | |||||||
Low Tide | 8:47PM0.23m | 6:16AM0.02m | 9:33PM0.18m | 7:12AM-0.01m | 10:13PM0.14m | 8:06AM-0.02m | 10:51PM0.12m | 8:57AM-0.02m | 11:28PM0.10m | 9:46AM0.01m | 00:03AM0.10m | 10:35AM0.06m | 00:36AM0.10m | 11:25AM0.14m | |||||||
 |  | | | |  | | |  |  | | |  | | | | |  | |  | | |
 | — | 5:50 | — | — | 5:50 | — | — | 5:52 | — | — | 5:52 | — | — | 5:52 | — | — | 5:52 | — | — | 5:52 | — |
 | 7:06 | — | 7:06 | — | — | 7:06 | — | — | 7:06 | — | — | 7:06 | — | — | 7:06 | — | — | 7:05 | — | — | 7:05 |
mm | — | — | — | — | — | 1 | — | — | — | — | — | 2 | 1 | — | 1 | — | — | — | — | 1 | 4 |
Temp °C | 27 | 28 | 28 | 27 | 27 | 27 | 26 | 26 | 26 | 25 | 26 | 26 | 25 | 27 | 26 | 26 | 27 | 27 | 26 | 26 | 26 |
Feels °C | 29 | 30 | 30 | 29 | 29 | 30 | 27 | 28 | 30 | 28 | 28 | 28 | 29 | 29 | 28 | 30 | 30 | 30 | 29 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | NNE 6 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 8 | NNE 7 | NNE 7 | W 18 | NNE 7 | NNE 8 | NNE 7 | W 16 | NE 7 | W 15 | W 15 | W 15 | NNE 7 | NNE 7 | NE 6 |
| kJ | 58 | 83 | 93 | 54 | 114 | 142 | 81 | 111 | 75 | 162 | 62 | 83 | 62 | 310 | 67 | 287 | 275 | 272 | 61 | 51 | 45 |
Swell 2 Height (m) Direction Period (s) | W 13 | W 14 | W 14 | SW 17 | SW 16 | SW 16 | SW 16 | SW 15 | SW 14 | SW 14 | W 19 | W 16 | W 17 | NNE 7 | W 15 | NNE 8 | NNE 8 | NE 6 | W 14 | W 14 | W 14 |
| kJ | 29 | 61 | 64 | 77 | 66 | 64 | 62 | 78 | 54 | 51 | 251 | 267 | 270 | 43 | 302 | 66 | 72 | 36 | 206 | 203 | 146 |
Swell 3 Height (m) Direction Period (s) | W 16 | SW 18 | SW 18 | W 13 | W 13 | W 13 | W 12 | W 12 | W 12 | SW 18 | SW 14 | SW 13 | SW 13 | SW 13 | SW 14 | SW 16 | SW 13 | NNE 7 | SSW 12 | ENE 6 | NNE 7 |
| kJ | 19 | 51 | 79 | 55 | 30 | 28 | 26 | 26 | 26 | 12 | 47 | 46 | 44 | 43 | 50 | 64 | 26 | 31 | 26 | 25 | 18 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | NNE 7 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | 59 | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 14 | 14 | 14 | 14 | 21 | 21 | 21 | 0 | 14 | 0 | 21 | 21 | 0 | 10 | 21 | 0 | 16 | 0 | 0 | 0 | 0 |
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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