Keaulanas Surf Break

Lat Long: 21.38° N 158.15° W

Keaulanas Surf Forecast and Surf Report

Issued: 1 pm 24 Jul 2026 (local time)

Forecast update in  hr  min

Today's Keaulanas sea temperature is
26.7° 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 25 Jul 2026:

  • Best quality surf: Saturday 25 Jul, 11AM (local time) - 2.5ft (0.8m), 19s period, SSW swell with offshore winds.
  • Most powerful swell: Saturday 25 Jul, 8PM (local time) - 3.5ft (1.1m), 18s period, SSW swell with 799 kJ wave energy.
  • Next surfable swell (1★+): Saturday 25 Jul, 11AM (local time) - 2.5ft (0.8m), 19s period with SSW 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 25) at 11AM. The primary swell is predicted to be 0.8m and 19s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Keaulanas in the next 16 days are 1.1m 18s and forecast to arrive on Saturday (Jul 25) at 8PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 7s period and expected on Saturday (Jul 25) at 2AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)11AM (Sat 25th Jul)2.5ft (0.8m) 19s
Best Surf11AM (Sat 25th Jul)2.5ft (0.8m) 19s
Most Powerful 8PM (Sat 25th Jul)3.5ft (1.1m) 18s

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


The Lowdown

Alright folks, Rusty here. Let's get into it for Keaulanas.

We’ve got a run of small but clean surf kicking off this Friday afternoon, but honestly, the first couple of days are just a warm-up. The real standout is going to be Saturday morning, July 25th. The water is sitting at a warm 80°F with an anomaly of just 0.5°F, so that's about average for this time of year – no surprises there.

Alright, let's break it down. Friday afternoon, July 24th, we see a long-period groundswell from the SSW at 3ft with a period of 17 seconds. The combined energy is moderate (892). Wind is a cross-off from the ENE at 19 mph, which keeps things clean but a bit bumpy. The forecast says it's marginal, so it's a bit of a gamble to get out there.

Now, Saturday morning, July 25th, is the session to circle. The swell hangs in at 3ft from the SSW, but the period is a very long 19 seconds. That's pure groundswell energy (698). The wind swings offshore from the ENE at 16 mph, making for a moderate offshore breeze and clean faces. The forecast says "expect very good surf conditions." This is the best on offer, no question. The wave energy is moderate, and with that long period, Keaulanas, being a beach and reef set-up, should handle it well. It's a consistent spot, so you can expect waves, though it can get crowded sometimes.

Sunday morning, July 26th, is a solid second option. The swell is still 3ft from the SSW, period drops to 16 seconds, with a moderate offshore wind from the ENE at 12 mph. The energy is moderate (506). It’s clean and rideable.

Monday, July 27th, through Tuesday, July 28th, the swell eases a bit. Monday morning has 3ft SSW with a 15-second period and a gentle offshore, making it clean but weaker energy (288). Tuesday drops to 2ft, and the conditions become "very ordinary." Still rideable, but nothing to get excited about.

Wednesday, July 29th, and Thursday, July 30th, offer a little pulse. Wednesday has 2ft from the S with a 14-second period and light cross-off winds. Thursday morning gets glassy with a S wind at 3 mph, and the swell bumps to 3ft from the S. The energy climbs to 383, and the glassy conditions are a major positive. It’s a nice window.

Then we hit a dry spell. From Friday, July 31st, all the way through to Thursday, August 6th, conditions are poor. The swell drops to 2ft, then 2ft, then 1ft, with cross-off winds and fresh breezes. The energy values are weak, often below 200. There are a few "surfable" windows, but nothing worth a paddle. It’s a solid week of flatness.

Things get a little interesting again on Friday, August 7th. The swell picks up to 3ft from the W, but it's a cross-off wind and the forecast says poor conditions. The energy is moderate (432). Saturday, August 8th, has a long-period 18-second SSW swell at 2ft, but the cross-off winds and marginal tides are a problem. The energy is moderate (419). These are long-range whispers, so don't bank on them.

Overall, the only true standout is Saturday morning, July 25th. That's your window. After that, it's a waiting game.

Stay safe out there.

- Rusty

Short Range Forecast

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

Days 5-7 Weather Summary

Some drizzle, heaviest during Wed night. Warm (max 28°C on Mon afternoon, min 25°C on Mon night). Wind will be generally light.

Fri
24
Saturday
25
Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
2
3
2
3
3
2
2
2
1
2
1
1
1
2
2
2
2
2
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
SSW
17
0.8
SSW
16
0.8
SSW
19
0.9
SSW
18
1
SSW
18
0.9
SSW
16
0.9
SSW
16
0.9
SSW
16
0.8
SSW
15
0.8
SSW
15
0.7
SSW
14
0.7
SSW
14
0.7
SSW
13
0.5
SSW
13
0.7
S
14
0.8
S
14
0.8
SSW
14
0.8
S
13
0.6
SSW
18
0.8
S
13
Wave Graph
Metric surfscale
Energy kJ
428
299
502
591
662
469
452
416
288
284
213
189
187
98
203
261
254
229
222
212
Wind (km/h)
30
ENE
25
ENE
25
ENE
30
ENE
20
ENE
20
ENE
25
ENE
20
ENE
15
ENE
25
ENE
15
NE
15
NE
25
NE
15
NNE
10
N
10
NNW
5
ENE
5
S
5
NNW
20
ENE
Wind State
cross-off
cross-off
off
off
off
off
off
off
off
off
off
off
off
cross-off
cross-off
cross-off
glassy
glassy
glassy
cross-off
High Tide
00:26AM0.22m
2:12PM0.67m
1:26AM0.22m
2:47PM0.69m
2:10AM0.23m
3:19PM0.71m
2:49AM0.25m
3:50PM0.72m
3:28AM0.27m
4:18PM0.72m
4:07AM0.30m
4:45PM0.70m
4:50AM0.33m
Low Tide
9:51PM0.20m
6:03AM0.09m
10:04PM0.18m
6:52AM0.07m
10:23PM0.17m
7:35AM0.05m
10:44PM0.15m
8:15AM0.04m
11:05PM0.15m
8:53AM0.04m
11:26PM0.14m
9:30AM0.07m
11:47PM0.13m
clear
clear
part cloud
part cloud
clear
part cloud
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
clear
part cloud
thunderstorm
part cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:03
6:03
6:03
6:03
6:03
6:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:15
7:14
7:14
7:14
7:13
7:13
7:12
 mm
1
Temp °C
27
25
26
27
25
26
27
25
27
28
25
27
28
26
26
27
26
27
27
26
Feels °C
24
24
24
25
24
25
25
24
27
27
25
29
29
27
29
30
30
31
31
29
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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 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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