Irmas/Leftpoint Surf Break

Lat Long: 21.29° N 157.66° W

Irmas/Leftpoint Surf Forecast and Surf Report

Issued: 7 pm 30 Jul 2026 (local time)

Forecast update in  hr  min

Today's Irmas/Leftpoint sea temperature is
26.7° C
0.4° 

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 31 Jul 2026:

  • Most powerful swell: Saturday 1 Aug, 11AM (local time) - 11ft (3.5m), 8s period, E swell with 1,398 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 3.5m 8s and forecast to arrive on Saturday (Aug 01) at 11AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 15s period and expected on Friday (Jul 31) at 5PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful11AM (Sat 1st Aug)11ft (3.5m) 8s

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


The Lowdown

G’day, Rusty here, and I’ve got to be straight with you – the outlook for Irmas/Leftpoint over the next 16 days is a tough one. We’re lookin’ at a long stretch of messy, blown-out conditions, with a few tiny windows of something surfable, but nothin’ to get excited about. The water temp is about average for this time of year, so at least you won’t need a thick wetsuit.

The first real chance of a wave doesn’t roll in until Tuesday, August 4th. Even then, it’s only marginal. We’ve got a moderate cross-shore wind from the NE at 12 mph, with swell from the ENE at 6 ft and a period of 11 seconds. That’s a groundswell, which is promising for shape, but the cross-chop will make it feel lumpy. The combined energy is moderate (756). It’s a “maybe” day – not one to call in sick for.

Wednesday the 5th and Thursday the 6th are back to poor surf – cross-onshore winds and choppy, lumpy conditions. The swell drops to 5 ft on Wednesday with a short 9-second period, and the energy is weak (409). Thursday’s even worse, with a 6-second period and a cross-shore that’s just messy.

We’ve got a long gap of poor conditions right through until Friday, August 14th. That’s over a week of nothing worth paddling out for. The wind stays strong, the swell is either too small or too short-period, and the chop is relentless.

On Friday the 14th, we finally see a glimmer. The afternoon brings a light cross-onshore breeze at 6 mph, with a tiny 2 ft swell from the S, but the period is a very long 19 seconds. That’s a proper groundswell, and the energy is moderate (546). It’s a marginal call – the waves will be small and clean-ish, but the tide needs to be right. This is your best bet across the whole 16 days, and it’s a low-key, glassy session for the patient surfer.

Saturday the 15th sees a bit more size (4 ft from the S at 16 seconds), but the wind picks up to a moderate cross-onshore, bringing back the chop. The energy is moderate (752), but it’s not clean enough to be a standout.

Honestly, the standout here is the afternoon of Friday the 14th. It’s the only time the wind eases and the swell direction lines up. It’s a reef break, so that long-period groundswell will wrap in nicely, but it’s going to be small. If you’re desperate, that’s your window. Otherwise, this stretch is a write-off. The breaks are consistent, but the conditions just aren’t cooperating.

Rusty.

Short Range Forecast

Some drizzle, heaviest during Thu night. Warm (max 27°C on Thu night, min 25°C on Fri afternoon). Winds increasing (moderate winds from the E on Thu night, strong winds from the ENE by Fri night).

Days 5-7 Weather Summary

Mostly dry. Warm (max 26°C on Mon afternoon, min 25°C on Sun night). Mainly fresh winds.

Friday
31
Saturday
1
Sunday
2
Monday
3
Tuesday
4
Wednesday
5
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
1
1
1
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
E
7
1.9
E
8
2.2
E
8
3
E
8
3.5
E
8
3
ENE
8
3
ENE
8
2.5
ENE
8
2.5
ENE
8
2.2
ENE
8
1.8
ENE
8
1.7
ENE
8
1.8
ENE
12
1.7
ENE
11
1.6
ENE
11
1.5
ENE
10
1.4
ENE
9
1.3
ENE
9
1.4
ENE
8
Wave Graph
Metric surfscale
Energy kJ
311
408
551
1268
1398
1098
1020
908
804
646
439
379
902
680
597
446
315
268
256
Wind (km/h)
25
ENE
40
ENE
40
ENE
45
ENE
45
ENE
40
ENE
45
ENE
40
ENE
35
ENE
35
ENE
30
NE
30
NE
25
ENE
20
NE
25
NE
15
ENE
25
ENE
25
ENE
30
ENE
Wind State
cross-on
cross
cross
cross-on
cross
cross
cross-on
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross-on
cross
cross-on
High Tide
4:08AM0.30m
4:25PM0.65m
4:55AM0.33m
4:53PM0.60m
5:48AM0.38m
5:22PM0.53m
6:48AM0.43m
5:53PM0.45m
7:57AM0.48m
6:26PM0.37m
9:10AM0.55m
7:10PM0.29m
Low Tide
11:13PM0.07m
9:38AM0.05m
11:37PM0.06m
10:23AM0.11m
00:02AM0.05m
11:17AM0.16m
00:29AM0.04m
12:27PM0.23m
00:59AM0.04m
2:07PM0.27m
1:37AM0.03m
4:33PM0.27m
2:24AM0.02m
thunderstorm
clear
clear
part cloud
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:03
6:03
6:03
6:03
6:05
6:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:09
7:09
7:08
7:08
7:07
7:07
7:07
 mm
1
Temp °C
27
26
25
25
25
26
25
25
25
25
25
26
25
26
26
26
26
26
26
Feels °C
28
24
21
21
20
21
21
20
21
21
23
24
23
26
26
26
26
26
26
  • 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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