Irmas/Leftpoint surfForecast / HAW – Oahu / USA

information circle16 Day Weather and Surf, issued 7 pm Thursday 14 May 2026 HST
Forecast update in hr  min  s Forecast update imminent
Irmas/Leftpoint surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Irmas/Leftpoint sea temperature is
25.5° C
(Which is slightly warmer than usual)

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 Sunday (May 17) at 2AM. The primary swell is predicted to be 1.7m and 8s period with a secondary swell of 0.4m and 17s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Irmas/Leftpoint in the next 16 days are 3.0m 8s and forecast to arrive on Friday (May 22) at 2AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 14s period and expected on Friday (May 15) at 2AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Sun 17th May)5.5ft (1.7m) 8s
Best Surf 2AM (Sun 17th May)5.5ft (1.7m) 8s
Most Powerful 2AM (Fri 22nd May)10ft (3.0m) 8s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 27mm), heaviest during Fri afternoon. Warm (max 25°C on Sat morning, min 23°C on Sun morning). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Warm (max 24°C on Sun night, min 23°C on Mon night). Mainly strong winds.

Friday
15
Saturday
16
Sunday
17
Monday
18
Tuesday
19
Wednesday
20
Thu
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
3
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)
1.8
ENE
8
1.6
ENE
8
1.7
ENE
8
1.7
ENE
8
1.7
ENE
8
1.7
ENE
8
1.7
ENE
8
1.6
ENE
8
1.5
ENE
8
1.5
ENE
8
1.6
ENE
8
1.6
ENE
8
1.6
ENE
8
1.6
ENE
8
1.6
ENE
8
2
ENE
7
2.2
ENE
8
2.5
ENE
8
3
ENE
8
2.5
ENE
8
2.5
ENE
8
Wave Graph
Metric surfscale
Energy kJ
346
308
336
353
361
361
370
318
286
286
310
350
333
316
306
392
540
725
995
783
822
Wind (km/h)
20
E
15
ENE
15
E
20
ENE
10
E
25
ENE
0
NE
20
ENE
25
NE
25
ENE
25
ENE
30
NE
30
ENE
35
ENE
40
ENE
40
ENE
40
ENE
40
ENE
40
ENE
40
ENE
40
ENE
cross-on
cross-on
cross-on
cross-on
cross-on
cross
glassy
cross
cross
cross-on
cross-on
cross
cross-on
cross
cross
cross
cross
cross
cross-on
cross
cross
High Tide
1:24AM0.26m
2:34PM0.71m
2:10AM0.21m
3:19PM0.75m
2:58AM0.17m
4:05PM0.76m
3:50AM0.14m
4:55PM0.75m
4:49AM0.12m
5:47PM0.71m
6:03AM0.12m
6:43PM0.66m
7:34AM0.14m
7:39PM0.60m
Low Tide
8:53PM0.06m
7:28AM-0.12m
9:52PM0.03m
8:03AM-0.13m
10:51PM0.02m
8:41AM-0.12m
11:50PM0.01m
9:23AM-0.11m
00:51AM0.01m
10:09AM-0.07m
1:53AM0.01m
11:02AM-0.02m
2:51AM0.00m
12:06PM0.05m
thunderstorm
thunderstorm
mod rain
thunderstorm
clear
thunderstorm
thunderstorm
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:52
5:52
5:50
5:50
5:50
5:50
5:50
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:00
7:00
7:01
7:01
7:01
7:02
7:02
7:04
8
2
9
4
1
3
Temp °C
24
24
24
24
25
25
24
24
24
24
24
24
24
23
23
23
23
24
23
23
23
23
26
23
23
27
25
25
24
23
24
24
22
22
19
19
19
19
21
19
18
18
Swell 1
Height (m)
Direction
Period (s)
1.8
ENE
8
0.9
NW
13
0.7
NW
12
0.6
NNW
11
1.7
ENE
8
1.7
ENE
8
1.7
ENE
8
1.6
ENE
8
1.5
ENE
8
1.5
ENE
8
0.7
SSW
14
0.7
SSW
14
0.7
SSW
14
0.7
SSW
14
0.8
SSW
15
0.6
SSW
15
0.6
SSW
14
0.5
SSW
14
0.4
SSW
13
0.5
S
16
0.5
S
16
Energy kJ
346
238
147
87
361
361
370
318
286
286
180
168
161
178
246
172
163
108
68
132
127
Swell 2
Height (m)
Direction
Period (s)
1
NW
14
0.5
SW
16
0.5
SW
16
0.4
SW
13
0.5
SW
15
0.5
NW
11
0.4
SSW
17
0.5
SSW
15
0.7
SSW
15
0.7
SSW
14
0.6
SSW
19
0.5
SSW
19
0.4
SSW
16
0.6
SSW
18
0.4
NNW
12
0.4
NNW
11
0.4
NNW
10
0.4
NNW
10
0.4
SSW
16
0.3
NNW
10
0.3
NNW
10
Energy kJ
357
124
124
45
109
58
96
133
193
186
248
214
91
207
55
46
41
40
91
18
18
Swell 3
Height (m)
Direction
Period (s)
0.4
N
8
0.3
SSE
11
0.3
SSE
11
0.4
SW
16
0.5
NW
11
0.5
SW
14
0.4
SSE
11
0.4
NNW
10
0.4
SSE
6
0.4
SSE
7
0.4
SSE
10
0.4
SSE
10
0.4
NW
12
0.4
NNW
12
0.4
SSE
10
0.3
SSE
9
0.3
SSW
18
0.3
SSW
18
0.4
NNW
10
0.3
SSW
13
0.3
SSE
13
Energy kJ
22
25
24
64
59
100
43
42
13
15
33
33
37
53
31
17
63
60
38
32
33
Wind waves
Height (m)
Direction
Period (s)
1.6
ENE
8
1.7
ENE
8
1.7
ENE
8
1.6
ENE
8
1.6
ENE
8
1.6
ENE
8
1.6
ENE
8
1.6
ENE
8
2
ENE
7
2.2
ENE
8
2.5
ENE
8
3
ENE
8
2.5
ENE
8
2.5
ENE
8
Energy kJ
308
336
353
310
350
333
316
306
392
540
725
995
783
822
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
2
1
2
3
2
2
2
2
1
1
2
2
2
2
1
2
2
1
Distance (km)
6
6
6
18
6
18
0
18
18
18
49
49
49
50
56
56
56
109
58
60
109
Best forecast wave conditions in Oahu
Rating
(10 max)
3
3
3
2
3
3
3
2
2
2
2
2
2
2
2
2
2
2
2
Best forecast wave conditions in United States
Rating
(10 max)
4
3
3
4
4
4
8
5
2
4
4
3
4
3
3
5
3
1
4
2
2
Header Global
Rating
(10 max)
6
5
5
4
5
5
8
5
4
5
4
4
5
4
4
4
4
4
4
4
9
  • 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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