Makapu'u Surf Break

Lat Long: 21.31° N 157.66° W

Makapu'u Surf Forecast and Surf Report

Issued: 1 pm 16 Jul 2026 (local time)

Forecast update in  hr  min

Today's Makapu'u sea temperature is
26.3° C
0.2° 

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


Makapu'u surf forecast from 17 Jul 2026:

  • Most powerful swell: Wednesday 22 Jul, 8PM (local time) - 2.5ft (0.7m), 22s period, SSW swell with 521 kJ wave energy.

Best Forecast Surf Conditions for Makapu'u this week:

The most powerful waves expected at Makapu'u in the next 16 days are 0.7m 22s and forecast to arrive on Wednesday (Jul 22) at 8PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 14s period and expected on Friday (Jul 17) at 2AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 8PM (Wed 22nd Jul)2.5ft (0.7m) 22s

Table - best surf conditions forecast for Makapu'u over the next 16 days.


The Lowdown

Alright folks, Rusty here. Gotta be straight with you – the 16-day window for Makapu'u is a tough one. We're looking at a long stretch of onshore winds and poor conditions, so don't get your hopes up too early.

Right now, starting Thursday the 16th, we've got a nice long-period groundswell rolling in from the SSW at 2 ft, with a period of 17 seconds. That's a solid, clean energy reading (402) but the wind is onshore out of the ENE at 16 mph, which is just ruining it. The water temp is sitting at 79°, which is bang on average for the time of year.

The real problem here is the wind. From Friday the 17th right through to Tuesday the 28th, it's a relentless grind of onshore ENE winds, most days blowing a fresh breeze of 19 to 25 mph. The swell builds, peaking around Saturday the 25th and Sunday the 26th with some serious size—8 ft from the ENE on Saturday and a very strong 5 ft from the E on Sunday with a 16-second period. The combined energy numbers are huge on those days (1923 and 2769), but with that strong onshore wind, the surf will be a messy, blown-out nightmare. That's not a paddle situation; that's a kite-surfing setup if you're into that kind of thing.

In amongst all that, there's a brief tease on the 22nd and 23rd of July. A very long-period SSW swell (23 seconds on the 22nd, 20 seconds on the 23rd) is pushing through, with moderate to strong wave energy (958 and 950). For a moment there, the swell direction is right in the zone for this spot, but that howling ENE wind never lets up, so it's all for nothing.

The only glimmer of hope doesn't show up until the very end of the run. On Tuesday morning the 28th, we finally see a slight drop in the wind to 12 mph, and the swell is a solid 7 ft from the E with a 14-second period. The energy is still strong (1853), and the forecast just barely nudges into a "marginal" rating. It's still onshore, so it's not clean, but it's the best the whole 16 days has to offer. If you're desperate, that's the window to check, but keep your expectations on the ground. The 29th and 30th see the wind ease a touch more, dropping to 9-12 mph, and the swell drops to a more manageable 5 ft with a 12-second period. Still onshore, but at least it's not a total gale.

So, the honest truth? There's no standout session here. The whole period is a write-off for clean, quality waves at Makapu'u. The wind just won't play ball. Stick a pin in Tuesday the 28th and see if the models improve, but as it stands, it's a waiting game for the next proper swell window.

Rusty.

Short Range Forecast

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

Days 5-7 Weather Summary

Some drizzle, heaviest during Mon night. Warm (max 26°C on Mon afternoon, min 24°C on Sun night). Mainly fresh winds.

Thu
16
Friday
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
SSW
17
1.4
ENE
6
1.3
ENE
7
1.3
ENE
7
1.5
ENE
7
1.8
ENE
7
1.8
ENE
8
1.8
ENE
8
1.8
ENE
7
1.5
ENE
8
1.4
ENE
8
0.8
S
16
0.8
S
16
0.9
S
15
0.9
S
14
0.9
S
14
0.9
S
13
0.8
E
13
0.6
SSW
23
0.7
SSW
22
Wave Graph
Metric surfscale
Energy kJ
261
165
145
158
215
285
346
404
308
284
251
329
321
339
329
307
277
212
426
480
Wind (km/h)
25
ENE
25
ENE
30
ENE
35
ENE
30
ENE
35
ENE
35
ENE
30
ENE
30
ENE
30
ENE
20
ENE
25
ENE
25
NE
25
ENE
25
ENE
30
ENE
30
ENE
30
ENE
30
ENE
30
ENE
Wind State
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
High Tide
5:06PM0.69m
4:23AM0.32m
5:34PM0.63m
5:36AM0.33m
5:55PM0.57m
7:07AM0.34m
6:08PM0.51m
9:13AM0.37m
6:04PM0.45m
11:19AM0.44m
4:59PM0.41m
12:21PM0.51m
Low Tide
11:44PM0.16m
10:16AM0.02m
00:18AM0.13m
10:57AM0.11m
00:51AM0.11m
11:40AM0.20m
1:25AM0.09m
12:37PM0.29m
2:03AM0.07m
3:19PM0.35m
2:49AM0.05m
3:43AM0.04m
part cloud
part cloud
part cloud
clear
part cloud
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
rain showers
clear
clear
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:58
5:58
5:58
5:58
5:58
6:00
<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
26
25
25
25
25
25
25
24
24
25
25
25
26
25
25
25
25
25
25
25
Feels °C
25
24
24
23
24
23
22
21
21
23
22
23
25
24
24
23
23
23
22
22
  • 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 Makapu'u Surf forecast

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

Makapu'u is 13 km (8 miles) from the city of Kailua. If you plan a vacation in Oahu, look for hotels and other accommodation in Kailua. Kailua has rooms for a wide range of budgets as well as car hire and transport links.

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