Irmas/Leftpoint Surf Break

Lat Long: 21.29° N 157.66° W

Irmas/Leftpoint Surf Forecast and Surf Report

Issued: 7 am 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 22 Jul 2026:

  • Most powerful swell: Monday 27 Jul, 11PM (local time) - 7.5ft (2.3m), 13s period, ENE swell with 1,901 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 2.3m 13s and forecast to arrive on Monday (Jul 27) 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 (Mon 27th Jul)7.5ft (2.3m) 13s

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


The Lowdown

Right then, let's have a look at what's on the table for the next couple of weeks. I'm Rusty, and I'll be honest with you, this isn't the most inspiring forecast I've seen. The only spot that's really in the picture is Irmas/Leftpoint, a reef break that's fairly consistent, but it's a real mixed bag of wind and swell.

Alright, let's start with the overall pattern. The next three weeks are going to be a battle of the wind. For the first week and a half, we've got a persistent ENE breeze that's going to be cranking, mostly cross or cross-onshore, and that's going to put a real chop on the surface. It's not looking good for clean, lined-up waves. The water temp is sitting about average for this time of year at 80°, so no surprises there.

The first bit of hope doesn't really show up until Wednesday the 29th of July. The wind swings to a cross-offshore direction from the NNE and N in the morning and afternoon, with a moderate breeze. That's the first time we see a "clean" wind state. The swell is a solid 8 ft from the ENE with a period of 12 seconds, and the combined energy is strong at 1663. That's a proper groundswell with a long period, so it'll have plenty of punch and shape, but it might be a bit straight for the beachies. At Irmas/Leftpoint, being a reef, that long period could be a real treat. The crowd factor is "sometimes", so you might have a few buddies out, but it won't be a circus. The downside is that 8 ft is getting into the "experts only" territory, so if you're not comfortable in that size, give it a miss.

The real standout, the one I'd be circling on the calendar, is the morning of Wednesday the 29th of July. The wind is clean, the swell is 8 ft from the ENE, and the period is 12 seconds. It's the best combination of conditions we'll see in the whole window. The afternoon of the 29th is also decent, with similar size and clean cross-offshore wind, but the period drops to 11 seconds. It's still good, but the morning is the pick.

Before that, we've got a long stretch of poor surf. From Wednesday the 22nd of July right through to Tuesday the 28th of July, it's a write-off. The wind is just too strong and onshore, making a mess of the 2 ft to 6 ft swell. The combined energy is moderate, but it's all chop. There's a brief moment on the 28th with a cross-offshore wind and a 6 ft swell, but it's still lumpy in the afternoon. Thursday the 30th of July sees the wind ease up, with a light onshore breeze and a 5 ft swell, but it's a short period of 8 seconds, so it's not going to have much push.

After the 29th, it goes backward again. The wind cranks back up from the ENE, and the swell gets messy. The first week of August is a similar story of moderate to strong ENE winds and lumpy, cross-shore conditions. The swell is there, from 4 ft to 8 ft, but the wind just ruins it. The long period swells on the 3rd and 4th of August (16 seconds) are a tease, but they're buried under a fresh cross-shore breeze. The combined energy is moderate to strong, but it's a waste.

So, in summary, if you're keen, you've got a two-week wait, but Wednesday the 29th of July is your day. Get up early, paddle out to Irmas/Leftpoint, and hope that long-period groundswell lines up perfectly with the reef. It's a gamble, but it's the only real gamble in the deck.

Rusty.

Short Range Forecast

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

Days 4-6 Weather Summary

Some drizzle, heaviest during Sat night. Warm (max 25°C on Sat morning, min 24°C on Sat night). Mainly fresh winds.

Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
Monday
27
Tuesday
28
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
1
0
0
1
0
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
S
24
0.6
SSW
23
0.7
SSW
22
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
1.1
E
15
1.2
E
15
1.4
E
14
1.5
E
14
1.8
E
13
1.9
E
13
1.9
E
13
1.9
E
13
2.2
E
12
Wave Graph
Metric surfscale
Energy kJ
404
426
480
412
475
469
542
446
588
464
572
547
506
602
786
852
1141
1237
1210
1191
1415
Wind (km/h)
40
ENE
35
ENE
35
ENE
35
ENE
40
ENE
35
ENE
35
ENE
35
ENE
35
ENE
35
ENE
35
ENE
30
ENE
35
ENE
40
ENE
30
ENE
40
ENE
30
ENE
25
ENE
25
NE
30
NE
25
NE
Wind State
cross-on
cross
cross-on
cross-on
cross
cross-on
cross
cross
cross-on
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross-off
cross
cross
High Tide
11:08AM0.55m
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
clear
clear
rain showers
clear
clear
rain showers
clear
clear
clear
clear
rain showers
clear
clear
clear
part cloud
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:00
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
1
Temp °C
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
24
24
25
25
25
Feels °C
23
21
22
21
21
22
22
21
22
23
22
22
22
21
22
21
21
22
24
24
24
  • Map Icons:
  • Break
  • 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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