Irmas/Leftpoint surfForecast / HAW – Oahu / USA

information circle16 Day Weather and Surf, issued 1 am Thursday 21 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
25.7° C
(Which is slightly warmer than usual)

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 Thursday (May 21) 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 14s period and expected on Wednesday (May 27) at 11AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 5PM (Thu 21st 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

Mostly dry. Warm (max 23°C on Thu morning, min 23°C on Thu morning). Mainly strong winds.

Days 4-6 Weather Summary

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

Thursday
21
Friday
22
Saturday
23
Sunday
24
Monday
25
Tuesday
26
Wednesday
27
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
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)
3
ENE
8
3
ENE
8
3
ENE
8
3
ENE
8
3
ENE
8
2.5
ENE
8
3
ENE
8
2.5
ENE
8
3
ENE
8
2.4
ENE
8
2.5
ENE
8
2.2
ENE
8
2.2
ENE
8
2.2
ENE
8
2.2
ENE
7
2.2
ENE
7
2.3
ENE
7
2
ENE
7
2.2
ENE
7
1.9
ENE
7
1.9
ENE
7
Wave Graph
Metric surfscale
Energy kJ
1282
1442
1306
1074
1055
956
1087
1031
1014
759
836
643
605
566
522
522
515
435
503
379
335
Wind (km/h)
45
ENE
50
ENE
45
ENE
40
ENE
45
ENE
40
ENE
45
ENE
40
ENE
40
ENE
40
ENE
40
ENE
40
ENE
40
ENE
40
ENE
40
ENE
35
ENE
40
ENE
35
ENE
40
ENE
40
ENE
35
ENE
cross
cross
cross
cross
cross
cross-on
cross
cross
cross-on
cross
cross
cross-on
cross
cross
cross
cross
cross
cross-on
cross
cross
cross-on
High Tide
7:39PM0.60m
9:11AM0.19m
8:35PM0.54m
10:30AM0.27m
9:29PM0.47m
11:28AM0.37m
10:19PM0.40m
12:14PM0.45m
11:05PM0.34m
12:53PM0.53m
11:49PM0.28m
1:27PM0.59m
00:30AM0.23m
Low Tide
12:06PM0.05m
3:41AM-0.00m
1:31PM0.12m
4:22AM-0.01m
3:15PM0.17m
4:56AM-0.02m
4:58PM0.19m
5:26AM-0.03m
6:25PM0.19m
5:52AM-0.04m
7:38PM0.16m
6:17AM-0.05m
8:37PM0.13m
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
part cloud
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:50
5:50
5:48
5:48
5:48
5:48
5:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:04
7:04
7:05
7:05
7:05
7:06
7:06
Temp °C
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
24
23
17
17
17
18
17
17
17
17
17
18
17
18
18
18
18
19
18
18
19
19
19
Swell 1
Height (m)
Direction
Period (s)
0.5
S
16
0.5
S
16
0.5
S
15
0.5
S
14
0.4
SSW
14
0.5
S
16
0.6
S
16
0.6
S
15
0.6
NNW
14
0.6
NNW
12
0.6
NNW
12
0.6
S
14
0.6
S
14
0.5
S
13
0.5
S
13
0.4
S
13
0.4
S
12
0.6
S
15
0.7
NW
14
0.7
NW
14
0.6
NW
13
Energy kJ
132
126
110
106
62
130
181
159
121
104
96
142
140
85
84
51
47
150
203
187
138
Swell 2
Height (m)
Direction
Period (s)
0.3
NNW
10
0.2
SSE
13
0.3
SSE
13
0.4
S
18
0.4
S
18
0.4
SSW
13
0.4
NW
10
0.4
NNW
15
0.6
S
15
0.5
S
14
0.5
S
14
0.5
NW
11
0.4
NW
11
0.4
NW
11
0.4
NW
10
0.3
S
16
0.3
NW
18
0.6
NW
16
0.6
S
14
0.5
S
13
0.5
S
13
Energy kJ
19
17
32
101
97
60
27
89
155
93
93
63
30
29
27
45
50
163
142
88
83
Swell 3
Height (m)
Direction
Period (s)
0.3
SSW
13
0.2
NNW
10
0.2
NNW
10
0.4
NW
10
0.4
NW
11
0.4
NW
11
0.4
NW
16
0.4
NW
10
0.2
NNW
10
0.3
S
16
0.3
S
16
0.1
SW
20
0.1
SW
20
0.1
SW
19
0.2
NNW
10
0.3
S
16
0.2
NNW
9
0.1
SW
18
0.2
SSE
8
0.2
SSW
16
Energy kJ
33
9
9
27
30
30
68
26
9
46
46
16
15
15
9
45
8
12
6
25
Wind waves
Height (m)
Direction
Period (s)
3
ENE
8
3
ENE
8
3
ENE
8
3
ENE
8
3
ENE
8
2.5
ENE
8
3
ENE
8
2.5
ENE
8
3
ENE
8
2.4
ENE
8
2.5
ENE
8
2.2
ENE
8
2.2
ENE
8
2.2
ENE
8
2.2
ENE
7
2.2
ENE
7
2.3
ENE
7
2
ENE
7
2.2
ENE
7
1.9
ENE
7
1.9
ENE
7
Energy kJ
1282
1442
1306
1074
1055
956
1087
1031
1014
759
836
643
605
566
522
522
515
435
503
379
335
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
3
3
2
3
1
2
1
1
1
1
1
1
2
1
2
3
2
2
Distance (km)
131
112
109
218
218
64
226
110
51
110
109
56
139
139
60
64
109
56
56
64
56
Best forecast wave conditions in Oahu
Rating
(10 max)
2
3
2
2
2
3
3
2
2
Best forecast wave conditions in United States
Rating
(10 max)
3
2
3
3
3
2
3
1
3
1
1
3
4
2
3
2
1
4
3
2
4
Header Global
Rating
(10 max)
5
5
7
6
8
6
8
6
5
5
5
4
5
5
4
4
5
6
5
5
5
  • 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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