Ko Olina Resort surfForecast / HAW – Oahu / USA

information circle48hr Weather and Surf, issued 1 pm Saturday 18 Apr 2026 HST
Forecast update in hr  min  s Forecast update imminent
Ko Olina Resort surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Ko Olina Resort sea temperature is
24.8° C
(Which is normal for this time of year)

How big are the waves at Ko Olina Resort today?

The current surf forecast for Ko Olina Resort at 6PM is: 0.5m 12s primary swell from a West direction and 0.5m 7s secondary swell from a Southeast direction (forecast issued at 01:00pm April 18). An open ocean swell of 0.6m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (HST) & DateWave HeightWave Period
Morning (18 Apr)1.5ft (0.5m)12s
Afternoon (18 Apr)1.5ft (0.5m)12s
Evening (18 Apr)1.5ft (0.5m)12s

Table - waves today at Ko Olina Resort. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent
Saturday
18
Sunday
19
Monday
20
Tuesday
21
11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM
Rating
(10 max)
0
0
0
1
1
1
0
0
1
0
1
1
1
1
1
1
1
0
0
1
1
1
2
2
Swell
Height Map
Wave Height (m) & direction (?)
0.5
W
0.5
W
0.5
W
0.5
W
0.5
W
0.5
W
0.4
WSW
0.4
WSW
0.5
W
0.5
W
0.5
W
0.5
W
0.6
W
0.5
W
0.5
NW
0.5
W
0.6
W
0.6
W
0.5
SW
0.5
SW
0.6
W
0.6
W
0.7
W
0.6
W
Period(s) (?)121212121212121211131313131412141313141413141516
Wave
Graph
(?)Metric surfscale
Energy kJ (?)757575757372454464838485127937596121121103103123129213179
Wind
(km/h)
25
ESE
5
WSW
10
NNW
15
ENE
15
E
15
ENE
15
E
15
ENE
15
ESE
15
SSE
10
SE
10
E
10
NE
10
E
5
NE
5
NW
5
WSW
10
WNW
5
W
5
W
5
SW
5
W
5
W
5
W
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
oncrossoffoffoffoffoffcross-
off
crosscross-
off
offoffcross-
off
glassglassglasscross-
on
cross-
on
glassglassglassglassglass
High Tide
/ height (m)
5:05PM
0.76
4:21AM
0.29
5:54PM
0.76
4:56AM
0.24
6:49PM
0.74
5:39AM
0.20
Low Tide
/ height (m)
9:39AM
-0.00
12:15AM
0.18
10:09AM
0.00
1:32AM
0.19
10:44AM
0.02
3:09AM
0.19
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Sunrise-------6:09-------6:09-------6:07
Sunset--6:52-------6:52-------6:52-----
cloud
clear
part cloud
clear
clear
clear
part cloud
clear
clear
cloud
cloud
part cloud
cloud
clear
part cloud
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
Rain (mm)
------------------------
Temp. °C242424242323232324242424242323242424242424242323
Feels °C (?)232626262424242324242626272526272726262727282626
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Ko Olina Resort surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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