Surf Forecasts:
Makapu'u surf forecast from 29 Jul 2026:
- Most powerful swell: Saturday 1 Aug, 8PM (local time) - 10ft (3.0m), 8s period, ENE swell with 1,202 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 3.0m 8s and forecast to arrive on Saturday (Aug 01) 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 7s period and expected on Wednesday (Jul 29) at 8PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 8PM (Sat 1st Aug) | 10ft (3.0m) 8s |
Table - best surf conditions forecast for Makapu'u over the next 16 days.
The Lowdown
Alright, let’s talk about the local surf in the real world.
The only spot on the list is Makapu'u, and it’s a reef break that’s fairly consistent. The water temp is about average for the season, so nothing wild there.
The forecast starts on Wednesday, July 29th, with a 7ft swell from the ENE at 10 seconds. The wind is cross-on from the north at 9mph, and the wave energy is moderate (939). It’s a marginal call, with a gentle cross-onshore making it a bit choppy. The afternoon shows a 6ft NE swell with lighter winds, but the onshore component still mucks it up.
From Thursday, July 30th, things go south. The wind cranks up from the ENE at 19 to 28mph, staying onshore. The swell runs from 6ft to nearly 10ft, but the period is short (8 seconds), and the wave energy gets strong (over 1500 by August 1st). The wind is just too strong, making it blown out and messy. For a setup like this, it looks more like a kite surfing day than a paddle surfing day.
There’s a tiny glimmer on Wednesday, August 6th, with a 1ft SSW swell that has a very long 15-second period. The wave energy is low (266), but the wind is still a fresh onshore breeze, so don’t hold your breath.
The only real standout comes on Wednesday, August 12th. We’ve got a 4ft S swell with a 16-second period, and the wind drops to a light 6mph from the east, turning cross-on. The wave energy is moderate (740). This is the cleanest we’ll see, with light cross-onshore winds and small ripples. For a reef, that long-period groundswell could offer some nice, clean waves. It’s a long way out, so keep an eye on it, but it’s the best bet in the whole forecast.
The first week is a dud. From July 30th to August 11th, it’s mostly poor conditions. The only hope is that Wednesday, August 12th, where the wind and swell might finally line up for a few good ones.
Rusty.
Short Range ForecastMostly dry. Warm (max 27°C on Wed afternoon, min 24°C on Tue night). Winds increasing (light winds from the NE on Wed afternoon, strong winds from the ENE by Fri afternoon). | Days 5-7 Weather SummaryMostly dry. Warm (max 25°C on Fri night, min 24°C on Fri night). Winds decreasing (strong winds from the ENE on Fri night, moderate winds from the ENE by Mon morning). | ||||||||||||||||||
Wednesday 29 | Thursday 30 | Friday 31 | Saturday 1 | Sunday 2 | Monday 3 | ||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | ENE 11 | ENE 10 | NE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 12 |
Wave Graph  | |||||||||||||||||||
 kJ | 1211 | 782 | 505 | 291 | 318 | 234 | 365 | 427 | 484 | 1003 | 1145 | 1098 | 1051 | 801 | 801 | 666 | 442 | 407 | 1033 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | on | cross-on | on | on | on | on | on | on | on | on | on | on | on | on | on | on |
High Tide | 1:31AM0.33m | 3:44PM0.66m | 2:12AM0.34m | 4:07PM0.66m | 2:57AM0.35m | 4:27PM0.64m | 3:46AM0.36m | 4:44PM0.61m | 4:42AM0.37m | 4:58PM0.57m | 5:48AM0.38m | 5:09PM0.52m | |||||||
Low Tide | 9:42PM0.21m | 7:59AM-0.05m | 10:06PM0.20m | 8:32AM-0.04m | 10:31PM0.18m | 9:04AM-0.01m | 10:57PM0.16m | 9:37AM0.05m | 11:22PM0.13m | 10:12AM0.11m | 11:50PM0.10m | 10:52AM0.19m | 00:22AM0.07m | ||||||
 |  | |  | |  | | | | | | | | | | | | | | |
 | — | 6:01 | — | — | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — |
 | 7:10 | — | 7:10 | — | — | 7:09 | — | — | 7:09 | — | — | 7:08 | — | — | 7:08 | — | — | 7:07 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 26 | 27 | 27 | 26 | 26 | 26 | 26 | 25 | 25 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
Feels °C | 25 | 28 | 29 | 29 | 27 | 26 | 25 | 23 | 21 | 21 | 19 | 21 | 21 | 22 | 21 | 22 | 23 | 23 | 23 |
Swell 1 Height (m) Direction Period (s) | ENE 11 | ENE 10 | NE 9 | ENE 8 | S 14 | ENE 8 | S 13 | E 15 | E 16 | E 15 | E 14 | E 14 | E 14 | E 14 | E 14 | E 13 | E 13 | E 12 | ENE 12 |
| kJ | 1211 | 782 | 505 | 291 | 181 | 234 | 166 | 216 | 301 | 267 | 264 | 257 | 260 | 333 | 261 | 126 | 121 | 187 | 1033 |
Swell 2 Height (m) Direction Period (s) | SSW 14 | S 13 | S 14 | SSW 13 | SW 18 | S 13 | SSW 16 | S 13 | SW 15 | SW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SW 12 | SSW 13 | SW 13 | SSW 12 |
| kJ | 195 | 87 | 192 | 133 | 154 | 225 | 177 | 115 | 239 | 223 | 129 | 123 | 131 | 133 | 68 | 39 | 53 | 41 | 56 |
Swell 3 Height (m) Direction Period (s) | SW 21 | S 15 | SSW 20 | N 7 | E 19 | SSW 18 | E 16 | SW 16 | S 12 | SSW 12 | S 12 | S 11 | S 11 | N 9 | N 9 | SSW 13 | SW 13 | SSW 12 | W 12 |
| kJ | 18 | 70 | 37 | 31 | 29 | 207 | 127 | 206 | 106 | 47 | 42 | 39 | 23 | 15 | 13 | 58 | 42 | 29 | 11 |
Wind waves Height (m) Direction Period (s) | NNE 9 | — | — | — | ENE 8 | — | ENE 7 | ENE 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | — |
| kJ | 217 | — | — | — | 318 | — | 365 | 427 | 484 | 1003 | 1145 | 1098 | 1051 | 801 | 801 | 666 | 442 | 407 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 8 | 2 | 8 | 16 | 42 | 49 | 49 | 55 | 61 | 110 | 113 | 110 | 58 | 56 | 58 | 18 | 51 | 18 | 18 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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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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