Kiholo Bay Surf Break

Lat Long: 19.86° N 155.93° W

Kiholo Bay Surf Forecast and Surf Report

Issued: 7 am 22 Aug 2026 (local time)

Forecast update in  hr  min

Today's Kiholo Bay sea temperature is
27.6°C
1.0° 

Kiholo Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Kiholo Bay surf forecast from 22 Aug 2026:

  • Best quality surf: Sunday 23 Aug, 5AM (local time) - 1.5ft (0.4m), 12s period, NW swell with glassy winds.
  • Most powerful swell: Sunday 23 Aug, 11AM (local time) - 1.5ft (0.5m), 12s period, WNW swell with 75 kJ wave energy.
  • Next surfable swell (1★+): Sunday 23 Aug, 5AM (local time) - 1.5ft (0.4m), 12s period with NW 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 Sunday (Aug 23) at 5AM. The primary swell is predicted to be 0.4m and 12s period with a secondary swell of 0.4m and 10s. 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 0.5m 12s and forecast to arrive on Sunday (Aug 23) at 11AM. Winds are predicted to be cross-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 Saturday (Aug 22) at 2PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Sun 23rd Aug)1.5ft (0.4m) 12s
Best Surf 5AM (Sun 23rd Aug)1.5ft (0.4m) 12s
Most Powerful11AM (Sun 23rd Aug)1.5ft (0.5m) 12s

Table - best surf conditions forecast for Kiholo Bay over the next 16 days.


The Lowdown

Alright folks, Rusty here. Gotta be straight with you – this 16-day window for Kiholo Bay is a tough one. We're looking at a long stretch of nothing much, so don't get your hopes up.

The pattern starts off quiet and stays that way. We've got a gap right from the beginning with no real surf to speak of. The first few days are a write-off with tiny, weak waves. Saturday the 22nd, you're looking at a 1.0ft swell from the SW with a long 15-second period, but the energy is a measly (70) and the conditions are just poor. The afternoon gets glassy but the wave is only 2ft – barely a ripple. The water temp is sitting at 82°, which is about 2° warmer than normal for this time of year, so it's a bit bath-like but nothing too crazy.

Sunday the 23rd offers a tiny bit more energy with a 2ft WNW swell at 12 seconds, but the morning is a cross-onshore mess. The afternoon cleans up to glassy, but the wave drops back to 1ft. The energy jumps to (109) for a moment, but it's still not enough to get excited about.

From Monday the 24th through to the end of August, the swell almost completely shuts down. Monday morning gives us a 0.7ft from the WNW with a pathetic energy of (13). There's a few tiny pulses here and there – a 0.7ft on the 30th, a 1.0ft on the 31st with a 15-second period – but the energy never gets above (34). It's all poor surf conditions, man. The best you can hope for is a glassy surface with no waves.

September starts with a whimper. The 1st and 2nd are flat, a 0.3ft SW swell on the 3rd with a 14-second period but energy of only (7) – nothing is happening. The 4th and 5th pick up a little 1.0ft to 1ft N swell, but the wind is howling. On the 5th, we're looking at 15-22 mph cross-shore winds, creating a lumpy chop. Forget about a decent surf.

Then on the 6th of September, things get wild. The morning sees a severe gale from the NNE at 47 mph, and the afternoon is a strong breeze at 25 mph from the S. The wave is still only 1.0ft with a combined energy of (30) and (25). The afternoon is actually described as "clean" with a cross-offshore wind, but with that tiny swell, it's more of a wind-check than a surf session. The whole setup is so wind-affected that it looks more interesting for kite surfing than paddle surfing.

So, the honest truth? There are no standout days. No true best on offer. This is a blank run for Kiholo Bay – a 16-day stretch where you're better off doing something else. The consistency is lacking, and the few tiny pulses that come through are ruined by wind or are just too small. It's a normal pattern for this area when the swell windows are closed, so don't be too surprised. Forecasts can change, but as it stands, leave the board at home.

Rusty.

Short Range Forecast

Light rain (total 6mm), mostly falling on Mon afternoon. Warm (max 29°C on Sat morning, min 26°C on Sun night). Wind will be generally light.

Days 4-6 Weather Summary

Light rain (total 2mm), mostly falling on Tue afternoon. Warm (max 28°C on Tue morning, min 25°C on Tue night). Wind will be generally light.

Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.3
SW
15
0.5
W
11
0.5
WNW
10
0.5
WNW
12
0.4
WNW
11
0.3
WNW
10
0.2
WNW
12
0.1
NW
11
0.7
NE
6
0.8
NE
6
0.9
NE
6
0.2
W
11
0.7
NNE
5
0.8
NE
6
0.2
SSW
16
0.3
SSW
16
0.2
N
8
0.3
N
8
0.3
N
7
0.3
N
7
0.2
W
10
Wave Graph
Metric surfscale
Energy kJ
37
57
58
75
44
19
13
5
0
0
0
10
0
0
0
0
5
11
9
9
8
Wind (km/h)
5
NW
5
NW
5
ENE
10
N
0
N
0
N
10
W
0
SSW
5
NE
5
W
5
NW
10
NE
5
NNW
5
N
5
NNE
5
WNW
5
W
5
NE
5
WNW
5
NNW
10
NE
Wind State
on
glassy
glassy
cross-on
glassy
glassy
on
glassy
glassy
cross-on
glassy
cross-off
cross-on
glassy
cross
glassy
glassy
glassy
glassy
glassy
cross-off
High Tide
12:57PM0.68m
00:46AM0.28m
1:38PM0.72m
1:33AM0.32m
2:12PM0.75m
2:09AM0.36m
2:42PM0.78m
2:44AM0.41m
3:11PM0.79m
3:18AM0.46m
3:38PM0.77m
3:53AM0.51m
4:04PM0.74m
4:30AM0.57m
Low Tide
8:47PM0.22m
5:53AM0.15m
9:01PM0.19m
6:48AM0.12m
9:18PM0.17m
7:33AM0.09m
9:36PM0.14m
8:14AM0.08m
9:55PM0.12m
8:54AM0.08m
10:14PM0.11m
9:34AM0.10m
10:34PM0.09m
clear
clear
clear
clear
rain showers
clear
clear
thunderstorm
thunderstorm
clear
thunderstorm
clear
clear
clear
clear
clear
rain showers
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:05
6:05
6:05
6:05
6:05
6:05
6:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:46
6:45
6:45
6:44
6:44
6:43
6:42
 mm
1
3
2
1
1
Temp °C
29
28
27
28
29
28
28
28
27
28
28
27
27
28
27
28
28
26
27
27
26
Feels °C
32
32
31
31
32
33
32
33
32
32
32
30
29
29
30
30
31
30
30
30
28
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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