Keaulanas surfForecast / HAW – Oahu / USA

information circle48hr Weather and Surf, issued 1 am Sunday 18 Jan 2026 HST
Forecast update in hr  min  s Forecast update imminent
Keaulanas surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Keaulanas sea temperature is
25.1° C
(Which is slightly warmer than usual)


How big are the waves at Keaulanas today?

The current surf forecast for Keaulanas at 6AM is: 1.6m 12s primary swell from a North direction and 0.8m 13s secondary swell from a Northwest direction (forecast issued at 01:00am January 18). An open ocean swell of 1.4m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (HST) & DateWave HeightWave Period
Morning (18 Jan)6ft (1.9m)18s
Afternoon (18 Jan)8ft (2.5m)16s
Evening (18 Jan)7.5ft (2.3m)15s

Table - waves today at Keaulanas. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent
Sunday
18
Monday
19
Tuesday
20
11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM
Rating
(10 max)
3
2
3
3
4
4
5
5
4
4
4
4
2
2
1
2
2
2
3
3
2
2
2
2
Swell
Height Map
Wave Height (m) & direction (?)
1.7
N
1.6
N
1.6
N
1.8
NW
2.3
NW
2.5
NW
2.5
NW
2.5
NW
2.2
NW
2.1
NW
1.9
NW
1.7
NW
1.5
NW
1.3
NW
1.3
NW
1.2
NW
1.1
NW
1.1
NW
0.8
NW
1
NW
1.3
NW
1.3
NW
1.5
NW
1.5
NW
Period(s) (?)121112181716161615141414131313131212171316151414
Wave
Graph
(?)Metric surfscale
Energy kJ (?)752655674208230873254302029442027186314631147778618609473335330350318886767911886
Wind
(km/h)
20
ENE
25
ENE
25
E
20
ESE
15
SE
5
SE
10
ENE
10
ENE
15
ENE
15
ESE
10
E
10
ENE
5
SSE
10
SSW
10
W
0
WNW
0
NNE
5
E
10
E
10
E
5
SSW
10
SW
5
S
10
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
cross-
off
crosscrosscross-
off
offcross-
off
cross-
off
cross-
off
cross-
off
crossoncross-
on
glassglassglasscross-
off
cross-
off
cross-
on
oncross-
on
cross-
on
High Tide
/ height (m)
4:06AM
0.75
3:36PM
0.25
4:36AM
0.75
4:17PM
0.27
5:04AM
0.73
5:03PM
0.30
Low Tide
/ height (m)
8:25PM
0.02
11:27AM
0.14
9:02PM
0.02
11:51AM
0.14
9:39PM
0.04
12:14PM
0.13
Sunday
18
Monday
19
Tuesday
20
Sunrise---7:11-------7:11-------7:11----
Sunset------6:13-------6:13-------6:14-
clear
clear
clear
clear
cloud
cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
Rain (mm)
------------------------
Temp. °C222222222323232323222222242424242322222224242423
Feels °C (?)181818192123222222212222242424252423222224242523
  • 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

Latest Updates

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 Keaulanas 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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