Irmas/Leftpoint Surf Break

Lat Long: 21.29° N 157.66° W

Irmas/Leftpoint Surf Forecast and Surf Report

Issued: 1 pm 22 Jul 2026 (local time)

Forecast update in  hr  min

Today's Irmas/Leftpoint sea temperature is
26.5° C
0.2° 

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


Irmas/Leftpoint surf forecast from 23 Jul 2026:

  • Most powerful swell: Tuesday 28 Jul, 11PM (local time) - 8ft (2.4m), 13s period, ENE swell with 1,872 kJ wave energy.

Best Forecast Surf Conditions for Irmas/Leftpoint this week:

The most powerful waves expected at Irmas/Leftpoint in the next 16 days are 2.4m 13s and forecast to arrive on Tuesday (Jul 28) at 11PM. Winds are predicted to be cross-shore at the time the swell arrives.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful11PM (Tue 28th Jul)8ft (2.4m) 13s

Table - best surf conditions forecast for Irmas/Leftpoint over the next 16 days.


The Lowdown

Hey folks, Rusty here. Let’s be straight with you – this outlook for Irmas/Leftpoint is a tough one. We’ve got a 16-day window, but honestly, it’s a long wait for anything decent. The surf just isn’t cooperating for a while. The first recommendation comes in on Wednesday afternoon, July 22nd, but it’s a total write-off. The water temperature is sitting at 80°F, which is about average for this time of year, so no surprises there.

The first few days are a real struggle. On Wednesday afternoon, July 22nd, we’ve got a tiny 2ft swell from the SSW but with a fresh ENE cross-shore wind at 22 mph, it’s just lumpy and messy. The combined wave energy is weak at 990. No surfing to be had there. Thursday and Friday, July 23rd and 24th, see a jump in height to 7ft - 8ft from the ENE, but the period is a short 7 seconds, and the wind is a strong cross or cross-onshore at 25 mph. The conditions are described as "poor" and "messy" – definitely not worth paddling out. The energy is moderate, around 1093 on Thursday morning, but the quality is just not there.

The weekend of July 25th-26th offers a glimmer of change. Saturday morning still has that lumpy 7ft ENE swell, but by Saturday afternoon, we see a shift to a 3ft swell from the SSW with a very long 18-second period. The energy bumps up to 1178. That long period groundswell at a reef point like this could be interesting, but it’s still cross-shore wind at 22 mph. It’s marginal. Sunday morning through Monday, July 27th, has similar 4ft - 5ft swells from the E and ESE, but the wind is a constant cross-shore. The energy is building to 1431, but the conditions are only "marginal" at best.

The real potential, and I mean the only standout in this whole forecast, shapes up for Tuesday, July 28th, into Wednesday, July 29th. On Tuesday morning, we get a 7ft swell from the ENE with a solid 13-second period. The energy is strong at 1697. The wind is a moderate cross-shore, but it’s cleaner. By Tuesday afternoon, the swell jumps to 8ft from the same direction, the period holds at 13 seconds, and the energy rockets to 2215. That’s some serious power. The wind is fresh cross-shore though, so it’s still lumpy. But here’s the kicker – Wednesday afternoon, July 29th, the wind shifts to a light cross-offshore from the NNE at 16 mph. The swell is 7ft from the ENE with an 11-second period, and the energy is 1431. Conditions are described as "clean." That’s the best window. For intermediate surfers, this is going to be a proper session. The swell is over 5ft, so beginners might find it a bit much, but for the rest of you, that’s a solid wave with clean lines. The ENE direction is right on the money for this reef.

After that, it fades fast. Thursday, July 30th, drops to 6ft from the NE, but the wind swings onshore from the south, and the energy drops. The rest of the first week of August is a mix of poor, choppy conditions with short-period windswell, and the energy stays low. There’s a brief spike on Wednesday, August 5th, with an 8ft ENE swell and a 13-second period, and the energy hits 2517, which is very strong. But the wind is a fresh cross-shore, so it’s messy. That’s expert-only territory in those conditions. By Thursday, August 6th, it’s gone.

So, to sum it up: the first week is a write-off. The best of the entire 16-day window is Wednesday afternoon, July 29th, at Irmas/Leftpoint. That offshore wind and the solid ENE swell will make it a clean, powerful reef wave. It’s the only true standout. Crowds are possible here, but with the conditions being so poor for so long, it might be just the dedicated crew. For the rest of the window, you’re better off waiting for a better forecast.

Rusty.

Short Range Forecast

Light rain (total 2mm), mostly falling on Thu morning. Warm (max 25°C on Wed afternoon, min 24°C on Thu morning). Mainly strong winds.

Days 5-7 Weather Summary

Light rain (total 2mm), mostly falling on Sat night. Warm (max 25°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)
0
0
0
0
0
0
0
0
0
0
0
1
1
0
1
1
1
2
1
2
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
2.2
ENE
7
2.3
ENE
7
0.9
SSW
18
2.3
ENE
7
2.2
ENE
7
2.3
ENE
7
2
ENE
8
0.9
SSW
18
2.1
ENE
8
2
ENE
8
1.2
E
15
1.3
E
14
1.4
E
14
1.5
E
13
2.2
ENE
13
2.2
ENE
13
2.4
ENE
13
2
E
13
Wave Graph
Metric surfscale
Energy kJ
426
480
444
461
469
573
446
588
452
572
547
469
602
687
732
780
1649
1538
1847
1314
Wind (km/h)
35
ENE
30
ENE
40
ENE
40
ENE
40
ENE
35
ENE
40
ENE
35
ENE
35
ENE
35
ENE
30
ENE
35
NE
35
ENE
35
ENE
30
ENE
35
ENE
30
ENE
25
NE
30
NE
25
NE
Wind State
cross
cross-on
cross-on
cross
cross-on
cross
cross
cross-on
cross
cross
cross-on
cross
cross
cross-on
cross
cross
cross
cross
cross
cross
High Tide
8:50PM0.23m
11:59AM0.59m
10:38PM0.19m
12:42PM0.62m
11:56PM0.19m
1:20PM0.64m
00:50AM0.19m
1:55PM0.66m
1:32AM0.20m
2:28PM0.68m
2:09AM0.22m
2:58PM0.69m
2:46AM0.24m
Low Tide
7:38PM0.23m
3:57AM0.05m
8:24PM0.18m
8:50PM0.15m
5:38AM0.03m
9:14PM0.12m
6:24AM0.02m
9:38PM0.11m
7:06AM0.01m
10:01PM0.09m
7:44AM-0.00m
10:25PM0.09m
clear
part cloud
rain showers
clear
clear
rain showers
clear
clear
clear
clear
rain showers
clear
clear
part cloud
part cloud
clear
part cloud
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:00
6:00
6:01
6:01
6:01
6:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:13
7:13
7:13
7:12
7:12
7:10
7:10
 mm
1
1
2
Temp °C
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
Feels °C
21
22
21
21
22
22
21
22
23
22
22
21
22
22
22
22
22
24
24
24
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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 Irmas/Leftpoint Surf forecast

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

Irmas/Leftpoint is 15 km (9 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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