Kewalos Surf Break

Lat Long: 21.29° N 157.86° W

Issued: 7 am 02 Jul 2026 (local time)

Forecast update in  hr  min

Today's Kewalos sea temperature is
26.3° C

Normal for this time of year

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


Kewalos surf forecast from 2 Jul 2026:

  • Most powerful swell: Wednesday 8 Jul, 2AM (local time) - 7ft (2.2m), 8s period, ENE swell with 540 kJ wave energy.

Best Forecast Surf Conditions for Kewalos this week:

The most powerful waves expected at Kewalos in the next 16 days are 2.2m 8s and forecast to arrive on Wednesday (Jul 08) at 2AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 8s period and expected on Thursday (Jul 02) at 8PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 2AM (Wed 8th Jul)7ft (2.2m) 8s

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


Updates in  hr  min  s Forecast update imminent

Alright, Rusty here. Let’s talk about what’s on the table for Kewalos.

This is a tricky stretch ahead. We’re looking at a solid two-week run, but honestly, the start is a bit of a write-off. The first few days have surf, but the conditions are just poor. The wind is howling out of the ENE at 19 mph, cross-off, and while the wave heights are around 5 ft to 5 ft, this is a reef break that really wants cleaner conditions and a better swell angle. Right now, the swell direction is ENE, but this spot is best with SSE swell. The energy is moderate, around 470 to 578 for the combined swell energy, but the short 8-second period is making it all a bit junky. For a break like this, that’s a no-go. The water temp is 79°, which is about average for this time of year.

A bit of a tease comes in around the 4th of July. Swell height drops to 2 ft on Saturday morning, but the period jumps to 21 seconds from the S, and the energy hits 834. That’s a proper long-period groundswell, but it’s tiny. This kind of long period at a reef can be special, but only if it has enough size to wrap in. Here, it’s just marginal. The wind is still fresh and cross-off, so it’s not clean.

The most interesting window looks like the 11th and 12th of July. On Saturday the 11th, we get some clouds and a lighter breeze at 12 mph. Swell is a consistent 6 ft to 6 ft from the ENE, but the period is still short at 7 seconds. The energy is moderate (529 to 657). Not a standout, but it’s the best we get for wave height with a lighter wind. Then on Sunday the 12th, the swell direction swings to the SSW with a 17-second period and a solid 3 ft to 3 ft. The energy is pushing 666. The wind is still cross-off, but the combination of a lightish breeze and a long-period groundswell from a better direction (SSW) could make for some clean, rolling lines over the reef. Still a bit small, but it’s the best quality on offer.

Honestly, there’s no real standout session here. The entire 16-day window is a mix of poor conditions, marginal forecasts, and consistent cross-off winds. The reef at Kewalos is reliant on that optimum SSE direction, and we just don’t get it with any decent size and clean wind. Expect a lot of frustrating days with the wind just ruining the potential.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 26°C on Thu morning, min 24°C on Thu night). Mainly fresh winds.

Days 4-6 Weather Summary

Mostly dry. Warm (max 26°C on Tue afternoon, min 24°C on Sun morning). Mainly fresh winds.

Thursday
2
Friday
3
Saturday
4
Sunday
5
Monday
6
Tuesday
7
Wednesday
8
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
1
1
1
1
1
1
1
2
0
1
1
1
0
1
0
0
0
1
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.6
ENE
8
1.5
ENE
8
1.6
ENE
8
1.6
ENE
8
1.6
ENE
8
1.7
ENE
8
1.6
ENE
8
0.7
S
20
0.8
SSW
19
0.8
SSW
18
0.8
SSW
18
0.9
SSW
16
2.1
ENE
7
2
ENE
7
2.2
ENE
7
2.1
ENE
8
2.2
ENE
8
2.2
ENE
8
2.1
ENE
8
1.8
ENE
8
2.1
ENE
8
Wave Graph
Metric surfscale
Energy kJ
292
278
277
285
294
336
326
377
486
418
408
457
432
417
498
469
512
540
495
393
481
Wind (km/h)
30
ENE
30
ENE
30
ENE
30
ENE
35
ENE
30
ENE
30
ENE
30
ENE
30
ENE
40
ENE
35
ENE
35
ENE
35
ENE
35
ENE
35
ENE
35
ENE
35
ENE
35
ENE
35
ENE
35
ENE
30
ENE
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
cross-off
cross-off
High Tide
6:01PM0.64m
6:25AM0.20m
6:33PM0.61m
7:25AM0.23m
7:06PM0.55m
8:31AM0.28m
7:40PM0.49m
9:42AM0.35m
8:17PM0.41m
10:50AM0.43m
9:01PM0.34m
11:51AM0.52m
10:00PM0.26m
Low Tide
10:30AM0.02m
1:28AM0.04m
11:12AM0.06m
1:57AM0.03m
12:01PM0.11m
2:26AM0.02m
1:05PM0.17m
2:56AM0.01m
2:35PM0.23m
3:29AM-0.00m
4:35PM0.25m
4:06AM-0.02m
6:43PM0.23m
4:48AM-0.04m
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:52
5:52
5:54
5:54
5:54
5:54
5:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:16
7:16
7:16
7:16
7:16
7:16
7:16
 mm
Temp °C
26
26
25
25
26
25
25
26
24
25
25
24
25
25
24
25
26
24
25
26
24
Feels °C
24
24
24
23
24
23
22
24
22
21
21
21
21
21
21
21
22
21
22
23
21
Swell 1
Height (m)
Direction
Period (s)
0.6
SSW
14
0.6
SSW
14
0.6
SSW
13
0.5
SSW
17
0.6
SSW
16
0.5
SSW
16
0.7
SSW
16
0.7
S
20
0.8
SSW
19
0.8
SSW
18
0.8
SSW
18
0.9
SSW
16
0.8
SSW
16
0.9
SSW
15
0.8
SSW
15
0.9
SSW
14
0.8
SSW
14
0.8
SSW
14
0.7
SSW
14
0.7
SSW
13
0.6
S
13
Energy kJ
133
123
116
168
208
146
212
377
486
418
408
457
337
402
284
350
273
250
192
187
125
Swell 2
Height (m)
Direction
Period (s)
0.3
SSW
20
0.4
SSW
19
0.5
S
18
0.5
SW
13
0.4
SW
12
0.4
SSW
12
0.6
S
21
0.6
SSW
16
0.7
SSW
15
0.6
SSW
14
0.4
SSW
14
0.3
SSW
13
0.2
SSE
9
0.2
SSE
9
0.1
SW
9
0.1
SE
8
0.1
SE
8
0.2
SSE
10
0.1
SE
9
0.1
SE
8
0.1
SE
8
Energy kJ
75
117
163
85
36
59
326
162
188
138
79
34
8
8
3
3
3
9
3
3
3
Swell 3
Height (m)
Direction
Period (s)
0.3
SSE
9
0.4
SE
9
0.2
SSE
9
0.2
S
13
0.2
S
12
0.4
SSW
22
0.2
SSW
16
0.3
SSW
11
0.2
SSW
11
0.2
SSE
11
0.3
E
9
0.2
SSE
10
0.2
SSW
13
0.1
W
10
0.1
SW
9
0.1
S
10
0.1
S
10
0.1
S
18
0.1
W
17
Energy kJ
17
20
8
13
11
164
25
23
12
11
15
10
17
2
3
2
2
6
6
Wind waves
Height (m)
Direction
Period (s)
1.6
ENE
8
1.5
ENE
8
1.6
ENE
8
1.6
ENE
8
1.6
ENE
8
1.7
ENE
8
1.6
ENE
8
1.5
ENE
8
1.7
ENE
7
1.9
ENE
7
1.6
ENE
7
1.9
ENE
7
2.1
ENE
7
2
ENE
7
2.2
ENE
7
2.1
ENE
8
2.2
ENE
8
2.2
ENE
8
2.1
ENE
8
1.8
ENE
8
2.1
ENE
8
Energy kJ
292
278
277
285
294
336
302
285
327
379
279
369
432
417
498
469
512
540
495
393
481
Nearest Offshore or Glassy
Rating
(10 max)
1
1
2
2
1
2
3
1
3
3
3
2
2
1
2
2
1
2
2
1
1
Distance (km)
28
129
28
28
36
28
28
129
28
38
36
28
36
129
36
38
129
36
36
41
29
Best forecast wave conditions in Oahu
Rating
(10 max)
2
2
2
2
2
3
3
3
3
2
2
2
2
2
2
1
1
Best forecast wave conditions in United States
Rating
(10 max)
2
2
2
2
2
3
3
2
3
3
3
3
2
2
4
2
2
4
3
1
4
Header Global
Rating
(10 max)
9
5
9
5
5
6
5
9
7
5
8
9
8
6
8
9
6
9
5
5
9
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
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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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