Surf Forecasts:
Kiholo Bay surf forecast from 24 Jul 2026:
- Most powerful swell: Thursday 30 Jul, 2PM (local time) - 1ft (0.3m), 18s period, SW swell with 49 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 18s and forecast to arrive on Thursday (Jul 30) 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 1.4m 11s period and expected on Wednesday (Jul 29) at 2AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 2PM (Thu 30th Jul) | 1ft (0.3m) 18s |
Table - best surf conditions forecast for Kiholo Bay over the next 16 days.
The Lowdown
Right, Rusty here. Let's call it like it is for Kiholo Bay—the surf forecast is a tough read.
Water temp is around 80°, a little warmer than usual, but that doesn't matter much when there's nothing to ride.
From now until August 5th, we’ve got a big fat zero. Nothing. The 29th of July shows a tiny 0.3m to 0.4m (that's 1 to 1 ft) of weak, short-period slop, but it's rough and onshore. That's a solid week of flatness.
Finally, on the 6th of August (Thursday), things perk up just a little. We get a 0.5m (2 ft) west swell with a 14-second period, and the combined energy is moderate at 106 to 107. The wind goes glassy—dead calm—which is the best we could ask for in this situation. The WNW swell direction is what Kiholo Bay likes to see.
Then on the 8th of August (Saturday morning), it's the best of the lot: a 0.6m (2 ft) west swell (14 secs), moderate energy of 153, and flat calm, glassy conditions. That's the standout.
Even so, these are scored as a 1 out of 10 for quality, so keep your expectations low. This is a long-period groundswell (14 secs), so the waves will have a better shape and more push, but with those long lulls, it'll look even smaller. This is a longboard or foil session at best.
Your one real window in this whole 16-day outlook is the morning of August 8th for a clean, tiny wave if you're desperate. Otherwise, it’s a long wait. It’s a tough spell, but the surf here can turn around.
Rusty.
Short Range ForecastMostly dry. Warm (max 28°C on Fri afternoon, min 25°C on Fri night). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 3mm), mostly falling on Wed afternoon. Warm (max 29°C on Tue afternoon, min 26°C on Mon morning). Wind will be generally light. | ||||||||||||||||||||
Friday 24 | Saturday 25 | Sunday 26 | Monday 27 | Tuesday 28 | Wednesday 29 | Thursday 30 | |||||||||||||||
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) | NE 7 | NE 7 | NNE 8 | NNE 8 | NNE 8 | SW 14 | NNE 8 | NE 8 | NNE 8 | NNE 8 | NNE 7 | NNE 10 | NNE 8 | ENE 12 | NE 11 | SW 3 | SW 3 | SW 4 | NE 7 | SW 18 | SW 16 |
Wave Graph  | |||||||||||||||||||||
 kJ | 0 | 0 | 0 | 0 | 0 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 1 | 0 | 49 | 42 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | glassy | glassy | cross-on | cross | glassy | cross-on | glassy | glassy | cross-on | cross | cross | cross | cross | cross | cross-on | cross-on | glassy | on | cross-on | glassy |
High Tide | 1:23PM0.71m | 00:41AM0.28m | 2:04PM0.75m | 1:37AM0.29m | 2:40PM0.78m | 2:19AM0.31m | 3:13PM0.80m | 2:57AM0.34m | 3:44PM0.82m | 3:34AM0.36m | 4:14PM0.82m | 4:11AM0.39m | 4:41PM0.80m | 4:50AM0.43m | |||||||
Low Tide | 9:13PM0.24m | 6:12AM0.12m | 9:35PM0.21m | 7:02AM0.09m | 9:58PM0.18m | 7:46AM0.07m | 10:22PM0.17m | 8:25AM0.05m | 10:46PM0.15m | 9:02AM0.05m | 11:09PM0.14m | 9:39AM0.07m | 11:32PM0.13m | ||||||||
 | |  | | | | | | | | | | | | | |  |  | | | | |
 | 5:56 | — | — | 5:56 | — | — | 5:56 | — | — | 5:56 | — | — | 5:56 | — | — | 5:58 | — | — | 5:58 | — | — |
 | — | 7:02 | — | — | 7:02 | — | — | 7:02 | — | — | 7:01 | — | — | 7:01 | — | — | 7:00 | — | — | 7:00 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 1 | — | — | — |
Temp °C | 27 | 28 | 26 | 27 | 27 | 26 | 27 | 28 | 26 | 28 | 28 | 27 | 28 | 29 | 27 | 28 | 27 | 27 | 28 | 28 | 27 |
Feels °C | 28 | 29 | 27 | 28 | 29 | 27 | 28 | 29 | 29 | 29 | 29 | 29 | 28 | 29 | 30 | 32 | 31 | 31 | 31 | 31 | 30 |
Swell 1 Height (m) Direction Period (s) | NE 7 | NE 7 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NE 8 | NNE 8 | NNE 8 | NNE 5 | NNE 10 | ENE 13 | ENE 12 | NE 11 | NNE 9 | N 8 | NE 8 | NE 7 | NE 7 | NE 7 |
| kJ | 69 | 103 | 72 | 106 | 126 | 126 | 113 | 129 | 91 | 93 | 21 | 132 | 137 | 297 | 453 | 213 | 82 | 73 | 64 | 86 | 52 |
Swell 2 Height (m) Direction Period (s) | SSW 18 | SW 17 | SSW 20 | SSW 16 | SSW 18 | SSW 18 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | NNE 7 | ENE 13 | SSW 14 | SSW 14 | SSW 14 | NE 12 | NE 9 | SSW 13 | SSW 18 | SW 18 | SW 16 |
| kJ | 61 | 76 | 76 | 51 | 102 | 60 | 86 | 84 | 48 | 42 | 36 | 57 | 37 | 39 | 37 | 71 | 39 | 32 | 31 | 49 | 42 |
Swell 3 Height (m) Direction Period (s) | S 13 | SSW 21 | SSW 16 | SSW 20 | S 11 | SW 14 | E 14 | E 15 | E 14 | E 13 | NNE 10 | SSW 14 | — | — | — | SSW 14 | SSW 13 | SW 4 | SSW 12 | SSW 12 | N 10 |
| kJ | 13 | 45 | 25 | 37 | 2 | 8 | 16 | 17 | 16 | 31 | 36 | 41 | — | — | — | 36 | 33 | 1 | 14 | 14 | 7 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | NNE 8 | NNE 9 | — | SW 3 | SW 3 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 113 | 181 | — | 2 | 2 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 94 | 14 | 22 | 94 | 14 | 14 | 94 | 43 | 14 | 25 | 25 | 14 | 27 | 25 | 31 | 44 | 94 | 22 | 90 | 99 | 14 |
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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