Irmas/Leftpoint surfForecast / HAW – Oahu / USA

information circle12 Day Weather and Surf, issued 1 pm Thursday 04 Dec 2025 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
26.1° 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 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Dec 09) at 11PM. The primary swell is predicted to be 0.9m and 7s period. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Irmas/Leftpoint in the next 12 days are 1.7m 8s and forecast to arrive on Friday (Dec 05) 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 1.7m 16s period and expected on Friday (Dec 05) at 11AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)11PM (Tue 9th Dec)3ft (0.9m) 7s
Best Surf11PM (Tue 9th Dec)3ft (0.9m) 7s
Most Powerful 5PM (Fri 5th Dec)5.5ft (1.7m) 8s

Table - best surf conditions forecast for Irmas/Leftpoint over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Warm (max 25°C on Thu afternoon, min 24°C on Thu night). Winds increasing (light winds from the S on Thu afternoon, fresh winds from the ENE by Fri night).

Days 3-6 Weather Summary Mostly dry. Warm (max 24°C on Sun afternoon, min 23°C on Sun night). Winds decreasing (fresh winds from the ENE on Sun night, calm by Wed morning).

Thu
04
Friday
05
Saturday
06
Sunday
07
Monday
08
Tuesday
09
Wednesday
10
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
1
0
Swell
Height Map
Wave Height (m) & direction (?)
1.1
E
1.3
E
1.6
E
1.7
ENE
1.5
E
1.3
E
1.2
E
1.1
ENE
1.2
ENE
1.2
ENE
1.2
ENE
1.2
ENE
1.1
ENE
1.1
E
0.7
NE
0.9
ENE
0.9
ENE
1
E
0.9
ENE
0.9
E
0.9
E
Period(s) (?)667888888888878778888
Wave
Graph
(?)Metric surfscale
Energy kJ (?)951182773552651911631511921871781691431346297971189498108
Wind
(km/h)
5
E
30
E
20
ENE
35
ENE
25
ENE
20
ENE
35
ENE
20
ENE
30
ENE
30
ENE
30
ENE
35
ENE
30
ENE
15
E
20
E
15
E
5
SE
0
WSW
5
SW
5
S
10
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
on
crosscross-
on
crosscrosscross-
on
cross-
on
crosscrosscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
glassglasscrossglasscross
High Tide
/ height (m)
2:17PM
0.20
3:28AM
0.82
3:09PM
0.17
4:15AM
0.81
4:03PM
0.16
5:04AM
0.77
5:04PM
0.16
5:53AM
0.71
6:18PM
0.17
6:42AM
0.65
7:47PM
0.20
7:31AM
0.57
9:19PM
0.27
8:19AM
0.50
Low Tide
/ height (m)
8:03PM
-0.11
11:11AM
0.04
8:46PM
-0.09
12:05PM
0.04
9:31PM
-0.06
12:59PM
0.04
10:19PM
-0.02
1:52PM
0.04
11:12PM
0.05
2:40PM
0.04
12:17AM
0.12
3:23PM
0.04
1:44AM
0.19
Thu
04
Friday
05
Saturday
06
Sunday
07
Monday
08
Tuesday
09
Wednesday
10
Sunrise--6:54--6:54--6:54--6:56--6:56--6:56--6:56
Sunset5:47--5:47--5:47--5:47--5:47--5:49--5:49--
clear
clear
part cloud
part cloud
part cloud
clear
clear
part cloud
clear
part cloud
clear
clear
part cloud
clear
clear
clear
part cloud
part cloud
clear
clear
clear
Rain (mm)
---------------------
Temp. °C252525242424242424242424242424242424242424
Feels °C (?)272524212022212323212121202223242527262625
  • 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 12 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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