Keaulanas Surf Break

Lat Long: 21.38° N 158.15° W

Keaulanas Surf Forecast and Surf Report

Issued: 1 pm 22 Jul 2026 (local time)

Forecast update in  hr  min

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

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


Keaulanas surf forecast from 23 Jul 2026:

  • Best quality surf: Wednesday 22 Jul, 8PM (local time) - 2.5ft (0.7m), 22s 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★+): Wednesday 22 Jul, 8PM (local time) - 2.5ft (0.7m), 22s 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 Wednesday (Jul 22) at 8PM. The primary swell is predicted to be 0.7m and 22s period with a secondary swell of 0.8m 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 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 13s period and expected on Monday (Jul 27) at 11PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 8PM (Wed 22nd Jul)2.5ft (0.7m) 22s
Best Surf 8PM (Wed 22nd Jul)2.5ft (0.7m) 22s
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 check out the waves for the next couple of weeks.

This is a long, drawn-out period of really small, clean but forgettable surf. The whole 16-day stretch is a grind, with no big, punchy swells to get anyone fired up. The swell energy is weak to moderate, and the wave heights stay tiny. The only real highlight is a brief window of slightly better, cleaner conditions towards the end of the first week and into the start of the second.

The only spot in the game is Keaulanas, a beach and reef setup that’s consistent and open to the west. The water temp is about average for this time of year, nothing to write home about.

The first few days, from Wednesday the 22nd through Friday the 24th, are a bit of a letdown. You’ve got a long-period groundswell from the SSW, but the swell height is only 2ft to 3ft. The combined energy is moderate (627-795), but the wind is a steady cross-off or fresh offshore breeze. The reports call it marginal, just surfable but nothing to rush out for. The period is very long, over 15 seconds, which means the waves will have good shape and energy for their size, but the lulls between sets will be long. You’ll be waiting a while.

Saturday the 25th is more of the same: a small SSW swell, 3ft at the peak, with moderate wave energy (779). The wind turns to a clean offshore in the afternoon, which is a nice touch. It’s still small, but it’ll be clean.

Now, here’s the one window that’s worth the paddle. Sunday morning, July 26th. The swell is still only 3ft from the SSW, but the period is 16 seconds, giving it a bit of push. The combined energy is moderate (506). The wind is a moderate offshore, and the report says “expect very good surf conditions.” For this tiny stretch, that’s your best bet. Keep in mind, it’s a beach and reef break, so the long period might make it a bit straight at the beach, but the reef sections could hold it together. The crowds are listed as “sometimes,” so you might have some company, but it won’t be packed.

Monday the 27th and Tuesday the 28th slide back into the “surfable but very ordinary” category. The swell drops to 2ft to 3ft, the period shortens, and the energy fades (187-303). The wind is still offshore, so it’ll be clean, but it’s small.

The real bummer hits from Wednesday, July 29th, through the end of the forecast. The swell direction switches to the S and then SW, the wave heights hover around 1ft to 2ft, and the combined energy plummets. On the 30th, we get onshore wind and choppy conditions, which is just a write-off. There’s a glimmer on Friday morning, July 31st, with glassy conditions and a 2ft SW swell, but it’s weak.

From August 1st onwards, it’s a real struggle. The swell is tiny, 1ft to 2ft, with very weak energy (73-204). The wind is mostly offshore or cross-off, so it’s clean, but you’re surfing ankle-biters. The 4th of August sees the weakest energy of the entire run at 73-80, just a ripple.

So, to sum it up: if you’re itching for a paddle, Sunday morning, July 26th is your one chance for a decent, clean session on small, long-period groundswell. After that, it’s a long, flat grind. This is one of those stretches where the forecast can change, but for now, it’s looking like a good week to wax the longboard or just watch the horizon.

Rusty.

Short Range Forecast

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

Days 5-7 Weather Summary

Some drizzle, heaviest during Sat night. Warm (max 27°C on Sat afternoon, min 24°C on Sat night). Mainly fresh winds.

Wed
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
Monday
27
Tuesday
28
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
3
1
1
2
1
2
2
1
2
2
3
0
1
1
1
2
1
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.6
SSW
23
0.7
SSW
22
0.8
SSW
20
0.7
SSW
20
1
SSW
18
0.7
SSW
18
0.9
SSW
17
0.8
SSW
16
0.8
SSW
19
1
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
0.7
SSW
14
Wave Graph
Metric surfscale
Energy kJ
426
480
528
395
616
329
428
299
502
716
662
469
452
416
288
284
213
189
187
192
Wind (km/h)
25
ENE
20
ENE
30
ENE
30
ENE
25
ENE
30
ENE
30
ENE
20
ENE
25
ENE
30
ENE
20
ENE
25
ENE
25
ENE
20
ENE
20
ENE
25
ENE
20
ENE
10
ENE
25
NE
15
NE
Wind State
cross-off
off
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross-off
off
cross-off
off
cross-off
cross-off
cross-off
off
off
off
off
off
High Tide
12:51PM0.61m
1:33PM0.64m
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
Low Tide
4:14AM0.11m
5:08AM0.10m
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
clear
part cloud
part cloud
clear
clear
part cloud
clear
part cloud
clear
clear
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:01
6:01
6:03
6:03
6:03
6:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:15
7:15
7:15
7:14
7:14
7:14
7:13
 mm
1
Temp °C
27
25
26
27
25
26
27
25
27
27
25
26
27
25
26
27
25
26
28
25
Feels °C
25
24
24
24
23
24
25
24
25
25
25
24
25
24
25
25
24
26
28
25
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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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