Kewalos Surf Break

Lat Long: 21.29° N 157.86° W

Kewalos Surf Forecast and Surf Report

Issued: 7 pm 22 Jul 2026 (local time)

Forecast update in  hr  min

Today's Kewalos sea temperature is
26.5° C
0.2° 

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


Kewalos surf forecast from 23 Jul 2026:

  • Best quality surf: Wednesday 29 Jul, 11PM (local time) - 5ft (1.5m), 10s period, ENE swell with cross-offshore winds.
  • Most powerful swell: Tuesday 28 Jul, 11PM (local time) - 7ft (2.1m), 12s period, ENE swell with 1,290 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 29 Jul, 11PM (local time) - 5ft (1.5m), 10s period with ENE swell.

Best Forecast Surf Conditions for Kewalos this week:

The surf forecast for Kewalos over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Jul 29) at 11PM. The primary swell is predicted to be 1.5m and 10s period with a secondary swell of 0.6m and 13s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Kewalos in the next 16 days are 2.1m 12s and forecast to arrive on Tuesday (Jul 28) at 11PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.8m 7s period and expected on Sunday (Jul 26) at 11PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)11PM (Wed 29th Jul)5ft (1.5m) 10s
Best Surf11PM (Wed 29th Jul)5ft (1.5m) 10s
Most Powerful11PM (Tue 28th Jul)7ft (2.1m) 12s

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


The Lowdown

Alright folks, it’s Rusty here, looking at the waves ahead for the next couple of weeks. We’ve got one spot, and one spot only, so let’s dive into what’s cooking.

We’re looking at a pretty tough run overall. The opening days are a write-off, so don’t even bother paddling out on Thursday the 23rd or Friday the 24th. The swell is either tiny or junky, and the wind is howling, making it more of a kite session than a surf session. It’s a frustrating start, and it’s not until the weekend that things start to show a pulse.

The first glimmer of hope comes Saturday the 25th morning. The wind is still a stiff cross-offshore breeze, but the swell is starting to build. We’re looking at chest-high waves, around 6ft, from the ENE. The period is a short 8 seconds, so it’s a bit of a windswell, but it’s rideable and the energy is pumping (1108). The afternoon sees the swell drop back down, but the wind stays.

Sunday the 26th is a bit of a mixed bag. The morning has a small, clean swell from the SSW with a very long 16-second period. This is real groundswell, which can be a bit too straight for a beach break, but at a reef like Kewalos, it should offer some nice, lined-up waves. The energy is solid (1138), but the size is only about 3ft, so it’s more of a longboarder’s special.

The standout for the first week, and arguably the whole forecast, is Tuesday the 28th. The morning session is looking prime. We’ve got a solid 6ft swell from the ENE, with a nice 13-second period, pushing a lot of energy through (1354). The wind is a stiff cross-offshore, keeping the faces clean. This is the best wave of the stretch for a confident intermediate or advanced surfer. It’s a bit on the bigger side, so not one for the beginners. The water temp is about average for the time of year, so no wetsuit drama.

After that, the surf slowly fades. Wednesday the 29th is still okay, but the energy drops. Then from Thursday the 30th, we hit another flat patch. The wind swings around, the swell dies, and the reports are grim.

The second week is a real struggle. We see a brief pulse around the 1st and 2nd of August, with some chest-high ENE windswell, but the wind is cranking at 22-25 mph, making it a messy, blown-out affair. By the 3rd, the swell is small again, and the clean conditions are offset by the lack of size. The 7th of August is a complete dead loss, with tiny waves and weak energy (75). It’s a long, dry spell.

Honestly, the only real standout here is Tuesday the 28th morning. If you can get out there, that’s your window. Otherwise, it’s a lot of waiting for scraps.

Stay stoked,
Rusty

Short Range Forecast

Some drizzle, heaviest during Fri morning. Warm (max 26°C on Thu morning, min 25°C on Wed night). Mainly strong winds.

Days 5-7 Weather Summary

Mostly dry. Warm (max 27°C on Tue afternoon, min 24°C on Sat night). Mainly fresh winds.

Thursday
23
Friday
24
Saturday
25
Sunday
26
Monday
27
Tuesday
28
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
1
0
1
1
1
2
2
2
2
2
2
2
1
2
2
2
2
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.6
SSW
22
2.1
ENE
7
2
ENE
7
0.9
SSW
18
2.2
ENE
7
2.1
ENE
7
2.2
ENE
7
1.9
ENE
8
0.9
SSW
18
0.9
SSW
18
1.9
ENE
8
0.9
SSW
16
1.1
E
14
1.3
E
14
1.5
E
13
1.6
E
13
1.9
ENE
13
2
ENE
12
1.8
E
12
Wave Graph
Metric surfscale
Energy kJ
363
412
395
464
446
456
526
430
578
547
469
452
485
613
792
852
1175
1114
940
Wind (km/h)
30
ENE
40
ENE
35
ENE
35
ENE
40
ENE
35
ENE
35
ENE
30
ENE
30
ENE
30
ENE
35
ENE
30
ENE
30
ENE
30
ENE
30
NE
25
ENE
25
ENE
30
NE
20
NE
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
10:06PM0.22m
1:02PM0.59m
11:46PM0.19m
1:44PM0.62m
00:59AM0.18m
2:22PM0.66m
1:51AM0.19m
2:56PM0.68m
2:32AM0.21m
3:29PM0.70m
3:10AM0.23m
3:59PM0.70m
3:49AM0.25m
Low Tide
8:25PM0.21m
9:13PM0.17m
5:34AM0.05m
9:41PM0.14m
6:23AM0.04m
10:05PM0.12m
7:08AM0.02m
10:27PM0.11m
7:51AM0.01m
10:49PM0.10m
8:31AM0.01m
11:11PM0.09m
clear
part cloud
clear
clear
rain showers
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:01
6:01
6:01
6:01
6:01
6:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:14
7:14
7:13
7:13
7:13
7:12
7:12
 mm
1
Temp °C
25
26
26
25
25
26
25
26
26
25
25
26
25
25
26
24
26
27
25
Feels °C
23
22
22
22
22
22
23
23
23
23
23
24
23
22
23
22
24
25
24
  • 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 Kewalos Surf forecast

The above surf forecast table for Kewalos provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Kewalos can be found by selecting the local surf guide option on the grey menu. Our Kewalos 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 (Kewalos) 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 Kewalos 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.

Kewalos is 5 km (3 miles) from Honolulu. If you plan a vacation in Oahu, look for hotels and other accommodation in Honolulu. Honolulu has rooms for a wide range of budgets as well as car hire and transport links.

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