Irmas/Leftpoint Surf Break

Lat Long: 21.29° N 157.66° W

Irmas/Leftpoint Surf Forecast and Surf Report

Issued: 7 am 27 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 27 Jul 2026:

  • Best quality surf: Wednesday 29 Jul, 2AM (local time) - 8ft (2.5m), 11s period, ENE swell with cross-offshore winds.
  • Most powerful swell: Tuesday 28 Jul, 5PM (local time) - 8ft (2.5m), 13s period, E swell with 2,347 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 29 Jul, 2AM (local time) - 8ft (2.5m), 11s period with ENE swell.

Best Forecast Surf Conditions for Irmas/Leftpoint this week:

The surf forecast for Irmas/Leftpoint over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Jul 29) at 2AM. The primary swell is predicted to be 2.5m and 11s period with a secondary swell of 0.7m and 14s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Irmas/Leftpoint in the next 16 days are 2.5m 13s and forecast to arrive on Tuesday (Jul 28) at 5PM. Winds are predicted to be cross-offshore 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+) 2AM (Wed 29th Jul)8ft (2.5m) 11s
Best Surf 2AM (Wed 29th Jul)8ft (2.5m) 11s
Most Powerful 5PM (Tue 28th Jul)8ft (2.5m) 13s

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


The Lowdown

Alright, let’s look at what’s coming up for the next two weeks. The only spot on the radar is Irmas/Leftpoint, a reef break that’s fairly consistent and needs a northwest wind to clean up. Water temp is 80°, right around the normal for this time of year.

The first few days are a mixed deal. Monday the 27th starts with a 5-foot easterly swell, but that cross-shore wind from the northeast is going to chop it up. The energy is strong (1441), so there’s plenty of push, but it’s messy. Tuesday the 28th gets a little bigger – 8 feet in the morning, building to 8 feet in the afternoon, both from the east. The wind shifts to a cross-offshore from the north-northeast, which means the face will be clean. The energy is even higher (2094 and 2149), so this is the best window in the near term. The period is 12-13 seconds, so it’s a decent groundswell, but it’s pushing straight from the east, which can be a bit tricky on a reef. Still, for intermediate surfers, Tuesday morning and afternoon are the standout sessions.

From Wednesday the 29th onward, things drop off fast. The wind turns onshore, the swell drops in size and period, and the energy dips to 813. The rest of the week into early August is a write-off – the easterly wind stays strong, keeping the surface lumpy, and the swell is short-period (8 seconds or less) with poor shape. The combined energy stays in the 400-800 range, so it’s weak and messy. This stretch from the 30th of July through to the 9th of August is a long gap of poor conditions. The surf is too blown out and inconsistent for a good ride.

Around the 10th of August, there’s a tiny shift. A 2-foot swell from the south-southwest with a very long 16-second period shows up, but the wind is onshore from the east, and the energy is only 542. It’s marginal at best. The 11th sees a bump to 4-5 feet from the east-northeast, but the period drops to 6 seconds, and the wind is onshore again. The energy is weak (309 and 287). Not worth paddling out for.

So, the honest call: Tuesday the 28th is your best bet. That 8-8 foot east swell with clean cross-offshore wind is the only real highlight. The waves will have enough push for a decent session, but be aware the east direction can make it a bit straight on the reef. After that, it’s a long wait until the second week, and even then, it’s not looking promising. The setup is more interesting for kite surfing than paddle surfing during that blown-out stretch.

If you’re keen, hit Tuesday. Otherwise, sit tight and hope the forecasts change.

Rusty.

Short Range Forecast

Light rain (total 4mm), mostly falling on Wed night. Warm (max 27°C on Wed afternoon, min 25°C on Mon morning). Winds decreasing (fresh winds from the NNE on Mon night, calm by Wed morning).

Days 4-6 Weather Summary

Mostly dry. Warm (max 26°C on Thu morning, min 24°C on Sat night). Winds increasing (light winds from the E on Thu morning, strong winds from the ENE by Fri night).

Monday
27
Tuesday
28
Wednesday
29
Thursday
30
Friday
31
Saturday
1
Sunday
2
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
1
1
2
2
4
2
1
1
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)
1.5
E
14
1.8
E
14
2.2
E
13
2.4
E
13
2.5
E
13
2.5
ENE
11
2.1
ENE
9
1.8
ENE
9
1.7
ENE
8
1.6
ENE
8
1.6
ENE
8
1.8
E
7
1.9
E
8
2
E
8
3
E
8
3
ENE
8
3
ENE
8
2.5
ENE
8
2.5
ENE
8
2.4
ENE
8
2.4
ENE
8
Wave Graph
Metric surfscale
Energy kJ
840
1158
1693
1982
2347
1704
771
486
353
287
273
358
419
459
930
1128
1299
932
866
763
707
Wind (km/h)
30
NE
30
NE
30
NE
30
NNE
30
NNE
15
N
5
SSE
10
SSE
15
E
15
E
30
ENE
25
ENE
35
ENE
40
ENE
45
ENE
45
ENE
45
ENE
45
ENE
40
ENE
40
ENE
35
ENE
Wind State
cross
cross
cross
cross-off
cross-off
cross-off
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
cross
cross
cross
High Tide
2:28PM0.68m
2:09AM0.22m
2:58PM0.69m
2:46AM0.24m
3:28PM0.69m
3:26AM0.26m
3:57PM0.68m
4:08AM0.30m
4:25PM0.65m
4:55AM0.33m
4:53PM0.60m
5:48AM0.38m
5:22PM0.53m
Low Tide
10:01PM0.09m
7:44AM-0.00m
10:25PM0.09m
8:21AM0.00m
10:49PM0.08m
8:58AM0.02m
11:13PM0.07m
9:38AM0.05m
11:37PM0.06m
10:23AM0.11m
00:02AM0.05m
11:17AM0.16m
00:29AM0.04m
part cloud
clear
part cloud
clear
clear
clear
clear
clear
thunderstorm
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:01
6:01
6:01
6:03
6:03
6:03
6:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:10
7:10
7:10
7:09
7:09
7:08
7:08
 mm
4
Temp °C
25
25
25
25
26
25
26
27
26
26
26
26
26
25
25
25
25
25
25
25
25
Feels °C
23
24
24
25
25
26
30
30
28
27
26
25
24
21
22
19
20
21
21
21
22
  • 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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