Irmas/Leftpoint Surf Break

Lat Long: 21.29° N 157.66° W

Irmas/Leftpoint Surf Forecast and Surf Report

Issued: 7 am 30 Jul 2026 (local time)

Forecast update in  hr  min

Today's Irmas/Leftpoint sea temperature is
26.6° 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 30 Jul 2026:

  • Most powerful swell: Saturday 1 Aug, 5PM (local time) - 10ft (3.0m), 8s period, ENE swell with 1,332 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 3.0m 8s and forecast to arrive on Saturday (Aug 01) at 5PM. 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 Powerful 5PM (Sat 1st Aug)10ft (3.0m) 8s

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


The Lowdown

Alright folks, Rusty here. Let’s get straight into it. It’s gonna be a tough stretch of days for the Irmas/Leftpoint (reef) area. The outlook is pretty grim. Looking at the whole 16-day window, the first solid wave of any real note doesn’t show up right away, but there’s a lot of wind and chop to deal with before we even get close to something decent. The water is sitting at a warm 80°, which is about average for the time of year, so no surprises there.

The forecast starts on Thursday, 30 July with a 5ft ENE swell (8 seconds) and a cross-on breeze blowing 16 mph. The combined energy is in the moderate range (457), but the wind is messing it up. It’s choppy and poor. That pattern sticks around for days. Friday, 31 July sees the swell bump up to 6ft and then 7ft, but the wind cranks to 22-25 mph from the same ENE direction, making it lumpy and cross-choppy. Saturday, 1 August, the swell jumps to a solid 10ft, but it’s still cross-shore with a strong breeze (25-28 mph). The energy is cranking (1490-1517), but the wind is absolutely ruining it. This is more of a kite-surfing setup than a paddling one. The conditions are messy and ugly.

For beginners, that 10ft swell is way too big anyway. For the experts, the wind is just too strong to enjoy it. The consistency is fairly consistent, but the quality just isn’t there. The swell direction is mainly ENE, which is not the optimum ESE direction for this spot.

There’s a small glimmer on Tuesday, 4 August. The morning shows a 5ft ENE swell, but the period jumps to 11 seconds – that’s a proper groundswell with more energy and shape. The combined energy is 712 (moderate), and the wind drops to 12 mph from the ENE, still cross, but it’s a moderate breeze. The forecast calls it marginal, but it’s the best on offer in the first week. The tide conditions might be a factor, but it’s the only window that looks even remotely worth a look. The long period will make it better for the reef setup, but the cross-shore wind will still leave a bit of chop. It’s not a standout, just the least ugly of the lot.

The rest of the first week and into the second week is a write-off. From 5 August to 8 August, it’s the same story: 4ft to 5ft swell, poor wind, and poor surf conditions. The energy is weak to moderate (258-400). The crowds are sometimes an issue here, but honestly, with this forecast, you won’t have to worry about anyone else.

On Sunday, 9 August, there’s a wild shift. A long-period groundswell from the S (19 seconds) pops up, but it’s only 2ft to 3ft. The energy is moderate (409-611), but the wind is still a fresh cross-shore. It’s too small and messy to do anything with. That pattern of S/SSW swell continues through Monday, 10 August and Tuesday, 11 August, with the period dropping from 16 to 15 seconds, but the swell stays tiny (3ft to 3ft). The wind is still cross or cross-on. No good.

The final days, from 12 August to 14 August, revert back to the ENE swell (4ft to 6ft) and the same old cross-onshore wind. The energy is weak (215-429). It’s a flat, windy mess right to the end.

There is no true standout in this forecast. The best option is Tuesday, 4 August, with that 5ft, 11-second groundswell and lighter wind, but it’s more of a “maybe” than a “definitely”. For the rest of it, you’re better off staying home. The area is fairly consistent, so it won’t stay this poor forever, but this run is a long one.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 27°C on Thu morning, min 25°C on Thu night). Winds increasing (light winds from the ENE on Thu afternoon, strong winds from the ENE by Fri night).

Days 4-6 Weather Summary

Mostly dry. Warm (max 25°C on Sun morning, min 24°C on Sun night). Winds decreasing (strong winds from the ENE on Sun morning, light winds from the ENE by Tue night).

Thursday
30
Friday
31
Saturday
1
Sunday
2
Monday
3
Tuesday
4
Wednesday
5
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
0
0
0
1
1
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)
1.6
ENE
8
1.4
ENE
8
1.7
E
7
1.9
E
8
2
E
8
3
E
8
3
E
8
3
ENE
8
3
ENE
8
2.5
ENE
8
2.5
ENE
8
2.3
ENE
8
1.7
ENE
8
1.7
ENE
8
1.7
ENE
8
1.7
ENE
11
1.6
ENE
11
1.5
ENE
10
1.3
ENE
9
1.2
ENE
9
1
E
6
Wave Graph
Metric surfscale
Energy kJ
283
210
311
408
471
1060
1283
1332
1118
931
866
722
422
388
388
704
608
446
274
213
66
Wind (km/h)
25
ENE
30
ENE
25
ENE
35
ENE
40
ENE
45
ENE
45
ENE
40
ENE
40
ENE
40
ENE
40
ENE
30
ENE
25
NE
30
NE
25
ENE
20
NE
25
NE
20
ENE
20
ENE
20
ENE
20
ENE
Wind State
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross-on
cross
cross-on
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross-on
cross-on
cross-on
High Tide
3:57PM0.68m
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
8:58AM0.02m
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
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:03
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
27
26
26
25
25
25
25
25
25
25
25
25
25
25
25
25
25
26
26
26
Feels °C
26
28
26
23
21
21
20
20
21
21
21
21
24
23
22
25
24
25
27
27
27
  • 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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