Kiholo Bay Surf Break

Lat Long: 19.86° N 155.93° W

Kiholo Bay Surf Forecast and Surf Report

Issued: 1 pm 31 Jul 2026 (local time)

Forecast update in  hr  min

Today's Kiholo Bay sea temperature is
27.2° 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 1 Aug 2026:

  • Most powerful swell: Saturday 1 Aug, 8AM (local time) - 1ft (0.3m), 14s period, SW swell with 33 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 14s and forecast to arrive on Saturday (Aug 01) at 8AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 6s period and expected on Friday (Jul 31) at 5PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 8AM (Sat 1st Aug)1ft (0.3m) 14s

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


The Lowdown

Alright, folks, Rusty here. Let’s talk about what’s cooking for Kiholo Bay. I gotta be straight with you – the next week and a half is looking pretty flat and sad. We’ve got a long stretch of tiny, weak waves that won't get a beginner out of bed, let alone a seasoned surfer.

Right now, we’re looking at a real dry spell. From Friday the 31st of July all the way through to Monday the 10th of August, it’s mostly poor surf conditions. The waves are tiny, mostly around 0.7ft to 2ft, and the energy is just pathetic. For example, on the afternoon of Sunday the 2nd of August, we see a glassy 2ft wave (combined energy of all swells directed here at 46), but it’s a short-period 7-second swell from the north. That’s not going to wrap in nicely. The winds are light or glassy at times, which is a tease, but there’s just no swell to work with. We’re talking about a solid 10-day gap with nothing worth paddling out for.

The water temp is sitting at 81°F, which is about 2°F warmer than usual for this time of year – nothing crazy, just a bit of a warm blanket.

Now, things start to get interesting around the 11th of August. Tuesday the 11th sees a little bump, with 2ft waves from the west, a nice 14-second period, and glassy conditions. The combined energy of all swells directed here climbs to 148 – still weak, but it's something. The surf is “surfable waves but very ordinary conditions,” so it’s a small step up from the flat spell.

The real standout, and the only one I’d call a proper highlight, is the window from Friday the 14th of August onward. Friday afternoon, we’ve got a 3ft wave from the WNW, with a 15-second period and glassy wind. The combined energy of all swells directed here hits 304 (moderate wave energy). The forecast says “expect good surf conditions.” That’s the kind of talk I like to hear. Then Saturday morning the 15th of August, it gets even better: 3ft of west swell, 15-second period, glassy wind, and the combined energy of all swells directed here jumps to 459 (moderate wave energy). That’s the best call of the whole 16-day window. Kiholo Bay is a beach and point setup, so a long-period, 15-second groundswell from the west is going to wrap around the point nicely. The optimum swell direction is WNW, and we’re getting west and west-northwest, so that’s a solid match. The water is clean, the wind is glassy – that Saturday morning is the one to circle. Just keep in mind that this spot can get crowded sometimes, so get there early.

Don’t get too excited about the long-range stuff, though. The Saturday afternoon takes a step back with a cross-shore wind and a more marginal forecast. The earlier week is a total write-off, but that Saturday morning on the 15th of August is the real deal. It’s not huge, but it’s clean, lined up, and glassy. That’s the one.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 29°C on Fri afternoon, min 25°C on Fri night). Wind will be generally light.

Days 5-7 Weather Summary

Some drizzle, heaviest during Wed afternoon. Warm (max 29°C on Thu morning, min 25°C on Mon night). Wind will be generally light.

Fri
31
Saturday
1
Sunday
2
Monday
3
Tuesday
4
Wednesday
5
Thursday
6
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
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
N
9
0.2
N
8
0.2
N
8
0.3
SW
14
0.3
SW
14
0.3
N
10
0.6
N
7
0.2
N
9
0.2
W
11
0.2
W
12
0.2
W
12
0.2
W
11
0.2
W
11
0.2
W
13
0.2
W
13
0.2
W
12
0.3
W
12
0.3
W
13
0.3
W
13
0.3
W
12
Wave Graph
Metric surfscale
Energy kJ
13
5
5
29
29
16
31
6
10
11
11
9
10
13
12
11
28
30
28
27
Wind (km/h)
5
NNW
5
ENE
10
N
15
NNE
10
NE
5
NW
5
WSW
0
NNW
10
WNW
10
WNW
5
SSW
10
W
5
W
5
W
10
WNW
10
WSW
5
NW
10
NNW
10
SW
0
N
Wind State
glassy
glassy
cross
cross
cross-off
cross-on
glassy
glassy
on
on
glassy
on
on
glassy
on
cross-on
glassy
cross-on
cross-on
glassy
High Tide
5:08PM0.77m
5:32AM0.47m
5:33PM0.72m
6:18AM0.50m
5:59PM0.65m
7:11AM0.54m
6:26PM0.57m
8:13AM0.58m
6:53PM0.49m
9:29AM0.62m
7:23PM0.40m
10:51AM0.68m
8:14PM0.32m
Low Tide
11:55PM0.12m
10:58AM0.16m
00:18AM0.11m
11:44AM0.22m
00:44AM0.10m
12:41PM0.29m
1:13AM0.10m
2:00PM0.35m
1:49AM0.10m
4:11PM0.37m
2:36AM0.10m
7:20PM0.32m
3:40AM0.09m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
clear
thunderstorm
part cloud
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:58
5:58
6:00
6:00
6:00
6:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:00
7:00
7:00
7:00
6:59
6:58
6:57
 mm
1
Temp °C
29
26
28
28
26
28
27
26
28
27
26
28
28
26
28
28
27
29
29
26
Feels °C
30
29
28
28
27
30
29
30
30
29
30
30
31
30
31
30
31
31
32
30
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  • 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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