Irmas/Leftpoint Surf Break

Lat Long: 21.29° N 157.66° W

Irmas/Leftpoint Surf Forecast and Surf Report

Issued: 7 pm 14 Jul 2026 (local time)

Forecast update in  hr  min

Today's Irmas/Leftpoint sea temperature is
26.2° C
0.1° 

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 15 Jul 2026:

  • Most powerful swell: Sunday 19 Jul, 5AM (local time) - 6ft (1.8m), 8s period, ENE swell with 427 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 1.8m 8s and forecast to arrive on Sunday (Jul 19) at 5AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 13s period and expected on Wednesday (Jul 15) at 8AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 5AM (Sun 19th Jul)6ft (1.8m) 8s

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


The Lowdown

Alright folks, Rusty here. Let’s get into it.

First off, I’ve gotta be straight with you – the outlook for Irmas/Leftpoint over the next 16 days is a bit of a tough one. We’re looking at a long stretch of poor conditions, with the first proper glimmer of hope not showing up until late in the game. The combined swell energy is moderate to strong (between 136 and 1051), but the wind is the real villain here.

From the start, Wednesday 15 July through to the end of July, it’s mostly cross or cross-onshore winds, building up from a gentle breeze to a fresh breeze, and even stronger at times. The surf is small and choppy, and the swell is coming from directions that don’t suit this spot. The optimum swell direction for Irmas/Leftpoint is ESE, but we’re seeing everything from ENE to SSW, so the waves are messy and energy is wasted. The period is all over the place – short 6-8 second slop, and then some longer 16-24 second groundswells that are too long and straight for this reef, leading to poor shape.

We’ve got a massive gap of no good surf. The first real sign of life doesn’t come until Saturday 25 July, and even then it’s only “marginal”. The water temperature is about average for this time of year, so no wetsuit drama, but that’s about the only good news.

Let’s break it down a bit. The early days, from 15 July to 24 July, are a write-off. The wind is consistently cross or cross-onshore, the swell is weak, and the combined energy often sits around 136-492, which is moderate energy but completely wasted. It’s just lumpy, choppy, and not worth paddling out for.

Now, Saturday 25 July finally gives us a bit of a look. The morning has some clouds, a moderate breeze from the NE (20 km/h), and a swell of 0.9m from the SSW with a very long 19-second period. The combined energy hits 1022 – that’s strong. But the wind is cross-shore, and the comment says “marginal surf forecast or questionable tide conditions.” It’s not a standout, but it’s the closest we get to a window. The afternoon stays cross-shore with a fresh breeze (30 km/h) and 1.0m SSW swell, but the energy is still strong (1029). If you’re desperate, the morning of the 25th is your best bet, but don’t expect perfection.

The following days, 26 July through 30 July, slip back into poor conditions. The swell is small, the wind is fresh and cross-shore, and the energy stays strong (547-1051) but useless. The swell on Monday 27 July jumps to 2.1m from the ENE, but the period is a short 7 seconds and the wind is cross-onshore – that’s messy, lumpy, and only for experts if anyone’s even out there. It’s a miss.

The call: If you’re chasing anything, the morning of Saturday 25 July is the only window, and it’s a tough, marginal one. The rest of the 16 days are a bust. The reef is exposed, but the wind and swell direction just aren’t lining up. The combined energy is strong, but without the right direction and clean wind, it’s just a washout. Hang tight, the forecasts might change, but right now, it’s not looking good.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 25°C on Tue night, min 24°C on Tue night). Winds increasing (light winds from the E on Tue night, fresh winds from the ENE by Fri afternoon).

Days 5-7 Weather Summary

Mostly dry. Warm (max 25°C on Fri night, min 24°C on Fri night). Mainly fresh winds.

Wednesday
15
Thursday
16
Friday
17
Saturday
18
Sunday
19
Monday
20
Tue
21
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
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
Height Map
Wave
Height (m)
Direction
Period (s)
0.6
SSW
17
1.1
NE
7
0.9
ENE
7
0.8
SSW
16
0.6
SSW
16
0.7
SSW
17
0.7
SSW
14
1.5
ENE
6
1.5
ENE
7
1.3
ENE
7
0.6
SSW
13
0.7
SSW
14
1.8
E
8
1.7
ENE
8
1.5
ENE
8
1.3
ENE
8
0.8
S
16
0.8
S
16
0.8
S
15
0.9
S
14
0.9
S
14
Wave Graph
Metric surfscale
Energy kJ
197
136
86
314
173
261
186
192
196
160
141
213
407
353
284
229
329
321
271
329
311
Wind (km/h)
15
E
15
E
15
E
20
ENE
25
ENE
35
ENE
30
ENE
30
ENE
35
ENE
30
ENE
30
ENE
35
ENE
30
ENE
30
ENE
30
ENE
25
ENE
25
NE
30
NE
20
ENE
25
ENE
25
NE
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
cross-on
cross
cross-on
cross
cross
cross
cross
cross
cross
cross
cross
High Tide
3:40AM0.23m
4:19PM0.78m
4:35AM0.27m
4:58PM0.72m
5:33AM0.31m
5:35PM0.64m
6:37AM0.35m
6:10PM0.55m
7:46AM0.40m
6:42PM0.45m
8:59AM0.45m
7:13PM0.37m
10:08AM0.51m
7:46PM0.29m
Low Tide
11:09PM0.02m
9:12AM-0.05m
11:45PM0.02m
10:02AM0.01m
00:20AM0.02m
10:55AM0.08m
00:53AM0.03m
11:55AM0.16m
1:26AM0.03m
1:10PM0.23m
1:58AM0.03m
2:57PM0.28m
2:33AM0.04m
5:25PM0.28m
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:56
5:56
5:58
5:58
5:58
5:58
5:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:15
7:15
7:15
7:15
7:15
7:14
7:14
7:14
 mm
Temp °C
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
24
25
25
25
25
25
Feels °C
25
26
26
25
25
23
24
23
22
23
24
23
23
23
23
22
23
23
23
24
23
  • 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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