Makapu'u Surf Break

Lat Long: 21.31° N 157.66° W

Makapu'u Surf Forecast and Surf Report

Issued: 1 am 03 Aug 2026 (local time)

Forecast update in  hr  min

Today's Makapu'u sea temperature is
26.9° C
0.5° 

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 3 Aug 2026:

  • Most powerful swell: Tuesday 4 Aug, 2AM (local time) - 5.5ft (1.7m), 12s period, ENE swell with 723 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 1.7m 12s and forecast to arrive on Tuesday (Aug 04) at 2AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 15s period and expected on Wednesday (Aug 05) at 8PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 2AM (Tue 4th Aug)5.5ft (1.7m) 12s

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


The Lowdown

Alright folks, Rusty here. Gotta be straight with you – this is a tough one for the Oahu side of things. The whole 16-day window is basically a write-off for any kind of decent surf session at Makapu'u.

It’s a real bummer, because the place is an exposed reef break that can handle some serious juice, but the wind and swell just aren’t lining up for us. Right from Monday the 3rd of August, we’ve got a strong onshore wind – 16 mph kicking up to 19 mph – absolutely ruining any chance of clean waves. The swell direction is coming from the ENE, which is exactly *on* the wind, so you’re looking at choppy, bumpy, poor surf conditions. The water’s sitting at a pretty normal 80° for this time of year, so no shock there, but the quality is just shot.

This grim pattern just locks in day after day. A bit of a drop in wind speed on Tuesday the 4th (9-12 mph), but we’re still dealing with an onshore flow and poor conditions. The swell period nudges up to 11 seconds, which would usually be a treat, but with the wrong wind, it’s wasted. The combined wave energy is sitting at 673, which is moderate, but again, it’s all messy.

Wednesday through Friday don't get any better; that wind sticks around from the ENE, blowing fresh to strong at times. The swell dips, the energy drops down to the low 200s, and we even see a little 1 ft spike from the SSW on Thursday the 6th with a 14-second period, but it’s so small and the wind is still on it, it’s a no-go.

Even when the swell gets a bit of size over the weekend and into the next week – hitting 6 ft to 7 ft by the 16th and 17th – the wind just won't let up. We’re talking 22 mph to even 28 mph onshore winds. For any surfer, that’s just white-knuckle stuff on a reef. That 7 ft swell on Monday the 17th of August is big enough to be getting into expert-only territory, but with that wind, it’s not even a discussion.

The only real point of interest is around the 12th of August, when a long-period SW groundswell rolls in. It shows up with 18-second periods and a combined energy of 1241 in the afternoon, which is strong energy. But again, the wind is howling from the ENE at 22 mph. That’s a classic case of long-period swell and onshore wind – it’ll be a washing machine. The break is already optimized for an ESE swell, so that southerly angle isn’t ideal to begin with. For a reef that can handle it, the setup just looks more interesting for kite surfing than paddle surfing, honestly. That wind would make for some solid downwinders, but for a surfboard? Forget it.

So, there it is. No standout days. Not a single window of clean conditions. For this area, a blank run like this isn't totally abnormal when those trade winds lock in. Forecasts can change, but right now, I’d save the energy and wait for a better window.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 26°C on Mon morning, min 25°C on Mon morning). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Warm (max 25°C on Thu morning, min 25°C on Thu morning). Mainly strong winds.

Monday
3
Tuesday
4
Wednesday
5
Thursday
6
Friday
7
Saturday
8
Sunday
9
AM
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
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.7
ENE
8
1.6
ENE
8
1.7
ENE
12
1.6
ENE
11
1.5
ENE
11
1.5
ENE
10
1.3
ENE
10
1.2
ENE
9
1.2
ENE
9
0.4
SSW
14
0.4
SSW
14
0.6
ENE
8
1.1
ENE
7
1.4
ENE
6
1.9
ENE
7
2
E
7
1.7
ENE
7
1.9
ENE
7
1.9
ENE
7
1.9
ENE
8
1.9
ENE
7
Wave Graph
Metric surfscale
Energy kJ
370
339
723
597
496
473
312
232
217
82
81
40
108
135
322
388
278
376
387
397
365
Wind (km/h)
25
ENE
25
NE
25
ENE
15
ENE
20
NE
20
ENE
20
ENE
25
ENE
25
ENE
30
ENE
25
ENE
30
ENE
35
ENE
30
ENE
35
ENE
35
ENE
40
ENE
35
ENE
30
ENE
35
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
on
High Tide
5:09PM0.52m
7:16AM0.41m
5:14PM0.48m
9:27AM0.45m
4:57PM0.44m
11:19AM0.53m
12:18PM0.61m
1:01PM0.68m
1:40PM0.72m
11:41PM0.30m
Low Tide
10:52AM0.19m
00:22AM0.07m
11:44AM0.27m
1:03AM0.04m
1:35PM0.35m
1:59AM0.02m
3:11AM-0.00m
4:25AM-0.03m
5:29AM-0.07m
8:45PM0.24m
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:03
6:05
6:05
6:05
6:05
6:05
6:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:07
7:07
7:07
7:06
7:06
7:05
7:05
 mm
2
1
1
Temp °C
26
26
25
26
26
25
26
26
25
25
25
25
25
25
25
25
25
25
26
25
25
Feels °C
25
25
24
27
26
25
27
26
25
25
23
25
23
22
23
23
22
22
26
24
24
  • 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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