Keaulanas Surf Break

Lat Long: 21.38° N 158.15° W

Keaulanas Surf Forecast and Surf Report

Issued: 7 am 11 Jul 2026 (local time)

Forecast update in  hr  min

Today's Keaulanas sea temperature is
26.4° C
0.3° 

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


Keaulanas surf forecast from 12 Jul 2026:

  • Best quality surf: Wednesday 15 Jul, 5AM (local time) - 2.5ft (0.8m), 15s period, W swell with cross-offshore winds.
  • Most powerful swell: Sunday 12 Jul, 2AM (local time) - 3ft (0.9m), 17s period, SW swell with 439 kJ wave energy.
  • Next surfable swell (1★+): Saturday 11 Jul, 8PM (local time) - 2.5ft (0.7m), 18s period with SW swell.

Best Forecast Surf Conditions for Keaulanas this week:

The surf forecast for Keaulanas over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Jul 11) at 8PM. The primary swell is predicted to be 0.7m and 18s period with a secondary swell of 0.4m and 13s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Keaulanas in the next 16 days are 0.9m 17s and forecast to arrive on Sunday (Jul 12) at 2AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 8s period and expected on Monday (Jul 13) at 2AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 8PM (Sat 11th Jul)2.5ft (0.7m) 18s
Best Surf 5AM (Wed 15th Jul)2.5ft (0.8m) 15s
Most Powerful 2AM (Sun 12th Jul)3ft (0.9m) 17s

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


Alright, Rusty here, and I’m looking at the surf for the next couple weeks. It’s a slow start, but there’s a real gem later on that’s worth waiting for.

The pattern is small swells and moderate offshore or cross-off breezes, mostly from the ENE. Water temp is about 80°F, which is pretty normal for the time of year.

The first real chance to get wet is on the morning of Tuesday, July 14th at Keaulanas. It’s a beach and reef break, with a 3ft SSW swell, 14-second period, and moderate energy at 429. The wind is light from the ENE at 6 mph, making it cross-offshore and clean. Crowds are a “sometimes” thing, so you might share it, but it’s not packed. This is the best in the first week.

Wednesday the 15th afternoon looks sweet too. The wind goes glassy – just 3 mph from the ESE, cross-offshore. The swell is 3ft from the W, 15-second period, with energy at 489. It’ll be clean and fun.

The real standout is the morning of Thursday, July 23rd – that’s over a week away, so keep it in mind. The swell is 3ft from the SSW, with a 20-second period – that’s a long-period groundswell, meaning powerful, well-shaped waves. The energy is strong at 864. Winds are offshore from the ENE at 12 mph, keeping it smooth. This is the best session of the outlook. The next morning, Friday the 24th, is also very good, with 3ft SSW swell, 17-second period, and 538 energy, with clean offshore wind.

There’s a lull in the middle of the second week, but the 23rd and 24th are the ones to chase. If you can only paddle out once, make it Thursday the 23rd morning.

Rusty.

Short Range Forecast

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

Days 4-6 Weather Summary

Light rain (total 4mm), mostly falling on Tue afternoon. Warm (max 28°C on Thu afternoon, min 24°C on Tue morning). Wind will be generally light.

Saturday
11
Sunday
12
Monday
13
Tuesday
14
Wednesday
15
Thursday
16
Friday
17
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
2
0
1
2
0
1
2
2
2
2
1
2
3
1
0
0
0
1
2
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
18
0.7
SW
18
0.9
SW
17
0.9
SW
16
0.9
SW
16
0.9
SW
16
0.9
SW
15
0.8
SSW
15
0.8
SSW
14
0.8
SSW
14
0.8
SSW
14
0.7
W
15
0.8
W
15
0.8
W
15
0.8
SSW
16
0.7
W
14
0.7
W
14
0.7
W
14
0.6
W
14
0.6
SSW
16
0.7
SSW
14
Wave Graph
Metric surfscale
Energy kJ
218
316
439
376
367
353
326
272
261
239
257
229
291
283
314
203
203
200
144
196
189
Wind (km/h)
25
ENE
30
ENE
30
ENE
25
ENE
30
ENE
20
ENE
25
ENE
25
ENE
15
ENE
10
ENE
20
ENE
15
E
5
SSE
5
ESE
15
E
15
E
25
ENE
25
ENE
25
ENE
25
ENE
25
ENE
Wind State
off
off
off
cross-off
off
off
cross-off
off
off
cross-off
cross-off
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
High Tide
2:15PM0.79m
1:22AM0.21m
3:01PM0.83m
2:25AM0.22m
3:45PM0.84m
3:22AM0.24m
4:27PM0.83m
4:16AM0.26m
5:06PM0.79m
5:13AM0.30m
5:42PM0.73m
6:12AM0.34m
6:15PM0.65m
Low Tide
10:06PM0.16m
7:03AM-0.02m
10:41PM0.13m
7:56AM-0.03m
11:16PM0.12m
8:47AM-0.02m
11:49PM0.11m
9:36AM0.01m
00:21AM0.10m
10:26AM0.06m
00:52AM0.10m
11:17AM0.14m
1:21AM0.10m
part cloud
part cloud
part cloud
part cloud
clear
part cloud
clear
clear
clear
part cloud
rain showers
part cloud
part cloud
rain showers
rain showers
part cloud
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:56
5:56
5:58
5:58
5:58
5:58
5:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:17
7:17
7:17
7:17
7:16
7:16
7:16
 mm
1
2
1
Temp °C
26
27
25
26
26
25
26
27
24
26
27
25
26
26
26
27
28
25
27
28
25
Feels °C
25
26
25
24
24
24
23
25
23
27
26
25
28
29
28
28
27
24
25
26
24
  • 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 Keaulanas Surf forecast

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

Keaulanas is 7 km (4 miles) from Makakilo City. If you plan a vacation in Oahu, look for hotels and other accommodation in Makakilo City. Makakilo City has rooms for a wide range of budgets as well as car hire and transport links.

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