Irmas/Leftpoint Surf Break

Lat Long: 21.29° N 157.66° W

Irmas/Leftpoint Surf Forecast and Surf Report

Issued: 1 am 18 Sep 2026 (local time)

Forecast update in  hr  min

Today's Irmas/Leftpoint sea temperature is
27.3°C
0.3° 

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 18 Sep 2026:

  • Most powerful swell: Tuesday 22 Sep, 11PM (local time) - 7.5ft (2.3m), 9s period, ENE swell with 791 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 9s and forecast to arrive on Tuesday (Sep 22) at 11PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 17s period and expected on Friday (Sep 25) at 2AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful11PM (Tue 22nd Sep)7.5ft (2.3m) 9s

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


Short Range Forecast

Mostly dry. Warm (max 27°C on Fri morning, min 25°C on Sun night). Mainly strong winds.

Days 4-6 Weather Summary

Mostly dry. Warm (max 26°C on Mon morning, min 25°C on Mon morning). Mainly strong winds.

Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
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
1
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
Wave
Height (m)
Direction
Period (s)
2.3
ENE
8
1
SSW
17
2.3
E
8
2.5
ENE
7
2.1
E
8
2.1
E
8
2.3
ENE
7
2
E
7
2.5
ENE
7
2.1
ENE
8
2
ENE
8
2.2
ENE
8
1.8
ENE
8
2
ENE
9
2.3
ENE
9
2.2
ENE
9
2
ENE
9
2
E
8
2.2
E
7
2.2
E
7
2
ENE
7
Wave Graph
Metric surfscale
Energy kJ
622
580
617
611
559
531
475
411
645
494
498
556
424
617
791
740
627
526
453
480
415
Wind (km/h)
35
ENE
35
ENE
30
ENE
40
ENE
35
ENE
30
ENE
40
ENE
35
ENE
40
ENE
40
ENE
35
NE
35
NE
35
ENE
40
ENE
35
ENE
40
ENE
45
ENE
40
ENE
40
ENE
40
ENE
40
ENE
Wind State
cross-on
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross
cross
cross
cross
cross
cross-on
cross-on
cross
cross
cross
cross
cross-on
High Tide
9:21AM0.54m
9:37PM0.19m
10:30AM0.55m
11:10PM0.22m
11:25AM0.57m
11:56PM0.25m
12:07PM0.59m
00:31AM0.29m
12:42PM0.61m
1:04AM0.34m
1:14PM0.61m
1:37AM0.41m
1:43PM0.60m
2:12AM0.47m
Low Tide
6:28PM0.17m
2:11AM0.15m
6:51PM0.15m
3:49AM0.15m
7:13PM0.13m
5:00AM0.13m
7:32PM0.11m
5:55AM0.11m
7:51PM0.09m
6:42AM0.09m
8:09PM0.08m
7:28AM0.09m
8:27PM0.06m
clear
clear
part cloud
clear
clear
clear
clear
part cloud
clear
clear
clear
part cloud
part cloud
clear
part cloud
clear
clear
part cloud
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:18
6:18
6:18
6:18
6:18
6:18
6:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:30
6:29
6:29
6:28
6:27
6:25
6:24
 mm
Temp °C
27
27
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
25
26
25
25
Feels °C
25
25
24
23
23
24
22
22
23
23
23
25
25
24
24
23
23
21
22
21
21
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
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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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