Kiholo Bay Surf Break

Lat Long: 19.86° N 155.93° W

Kiholo Bay Surf Forecast and Surf Report

Issued: 1 pm 18 Jul 2026 (local time)

Forecast update in  hr  min

Today's Kiholo Bay sea temperature is
26.8° C
0.7° 

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 19 Jul 2026:

  • Most powerful swell: Saturday 18 Jul, 11PM (local time) - 1.5ft (0.4m), 13s period, WNW swell with 57 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 0.4m 13s and forecast to arrive on Saturday (Jul 18) at 11PM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 8s period and expected on Saturday (Jul 25) at 5PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful11PM (Sat 18th Jul)1.5ft (0.4m) 13s

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


The Lowdown

Alright, Rusty here. Let’s have a look at what’s on the cards for the next couple of weeks.

Right off the bat, I’ve got to be straight with you – this is a quiet stretch. The first real chance of a wave comes Saturday afternoon, July 18th, at Kiholo Bay. It’s a tiny little knee-high swell, 2ft from the west, with a nice long period of 13 seconds. That’s a proper groundswell, so it’ll have some shape to it, but the energy is weak – only 87 (combined energy). The water’s sitting at 80°, which is about 1° warmer than average for this time of year, so nothing unusual. The wind is glassy, coming from the north at 3 mph, so it’ll be clean. The break is a beach and point setup, a bit exposed to the WNW, and the guidance says it handles a WNW swell well. This is the best on offer, but it’s a real mellow session for intermediates. It’s a consistent spot, but crowds are possible as it’s the only show in town.

After that, Sunday morning, July 19th, has a tiny 1ft swell from the WNW with glassy conditions, but the rating is a zero – it’s just too small. The rest of the week from Monday the 20th onwards is a write-off. There’s a long, dry gap from Monday morning through to Thursday morning, July 30th, with nothing but zeros and flat spells. The combined energy reading is zero for most of those days.

Things try to pick up again on Thursday afternoon, July 30th, with a 1.0ft swell from the southwest and a very long period of 18 seconds. That’s a serious groundswell, but the size is tiny. The energy is only 49 (combined energy), so it’s weak. The wind is glassy, so it’ll be clean, but the swell is barely there. The rating is still a zero, meaning it’s not really surfable. Friday, July 31st, and Saturday, August 1st, are also poor, with tiny, weak 0.7ft to 1.0ft swells.

The biggest pulse of the run shows up on Sunday, August 2nd. The morning has a 1ft swell from the west at 15 seconds, and the afternoon bumps up to 2ft from the west at 14 seconds. The combined energy hits 116 in the morning and 173 in the afternoon – that’s moderate energy, finally. But it’s still small, and the wind is cross-on from the west at 3 to 6 mph, which puts a bit of a crinkle on the surface. The rating is still a zero, so even that isn’t considered good. For a stronger wave over knee-high, it’s too small and the wind is messy.

Honestly, this is a bleak run. The only window that’s even worth a mention is that Saturday afternoon, July 18th, with the tiny, clean 2ft west swell. After that, you’re looking at a solid two-week gap of nothing worthwhile. The spot is consistent, but the ocean just isn’t playing ball. It tends not to stay this poor for long, but right now, it’s a waiting game.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 28°C on Sat afternoon, min 25°C on Sat night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Warm (max 27°C on Tue afternoon, min 24°C on Wed night). Wind will be generally light.

Sat
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
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)
0.5
W
13
0.4
WNW
13
0.4
WNW
12
0.3
WNW
12
0.3
WNW
12
0.3
WNW
12
0.2
WNW
12
0.2
WNW
12
0.6
NNE
5
0.2
W
11
0.2
SSW
26
0.2
SSW
24
0.3
SSW
23
0.3
SSW
22
0.3
SSW
20
0.3
SSW
20
0.3
SW
17
0.1
SW
15
0.3
SSW
18
0.9
NNE
7
Wave Graph
Metric surfscale
Energy kJ
87
57
50
29
29
27
13
13
0
9
0
0
0
0
0
0
47
8
0
0
Wind (km/h)
0
NNW
0
ENE
5
NW
10
WSW
5
NE
10
W
5
WSW
5
ENE
10
WSW
5
W
5
E
10
NW
0
SW
5
E
5
WNW
5
NNW
5
ENE
5
NW
5
N
10
NE
Wind State
glassy
glassy
glassy
cross-on
glassy
cross-on
cross-on
glassy
cross-on
glassy
glassy
on
glassy
glassy
glassy
glassy
glassy
glassy
cross
cross-off
High Tide
6:44PM0.67m
8:08AM0.51m
7:13PM0.57m
9:17AM0.55m
7:39PM0.48m
10:31AM0.59m
8:03PM0.40m
11:40AM0.63m
12:37PM0.67m
11:10PM0.29m
1:23PM0.71m
00:41AM0.28m
Low Tide
1:39AM0.11m
1:24PM0.31m
2:11AM0.12m
2:54PM0.37m
2:45AM0.13m
5:19PM0.38m
3:25AM0.14m
4:16AM0.14m
8:51PM0.28m
5:15AM0.14m
9:13PM0.24m
clear
part cloud
clear
part cloud
part cloud
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:54
5:54
5:54
5:54
5:56
5:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:05
7:05
7:05
7:04
7:04
7:04
7:02
 mm
Temp °C
28
26
28
28
26
28
28
26
27
27
26
27
27
26
27
27
26
27
27
26
Feels °C
31
30
30
31
30
30
30
30
29
30
29
29
30
30
29
30
28
29
30
27
  • Map Icons:
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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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