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Surf Forecasts:

Aligator Rock surfForecast / HAW – Oahu / USA

information circle48hr Weather and Surf, issued 7 pm Monday 19 Jan 2026 HST
Forecast update in hr  min  s Forecast update imminent
Aligator Rock surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Aligator Rock sea temperature is
24.7° C
 (Which is slightly warmer than usual)

How big are the waves at Aligator Rock today?

The current surf forecast for Aligator Rock at 2AM is: 1.1m 12s primary swell from a Northwest direction (forecast issued at 07:00pm January 19). An open ocean swell of 1.1m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.

Time (HST) & DateWave HeightWave Period
Morning (20 Jan)4ft (1.2m)16s
Afternoon (20 Jan)5ft (1.6m)15s
Evening (20 Jan)5ft (1.6m)14s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Monday
19
Tuesday
20
Wednesday
21
Thursday
22
5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM
Rating
(10 max)
3
3
2
2
3
3
4
3
3
3
3
1
3
3
3
3
3
3
3
3
3
3
3
3
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.4
NW
1.3
NW
1.1
NW
1.1
NW
0.9
NW
1.1
NW
1.6
NW
1.6
NW
1.7
NW
1.7
NW
1.6
NW
1.5
NW
1.1
NW
1.4
NW
2
NW
2
NW
2.3
NW
1.9
NW
1.8
NW
1.7
NW
1.8
NW
1.8
NW
2
NW
2
NW
Period(s) (?)131312121716161514141413171616151414141414131312
Wave
Graph
(?)Metric surfscale
Energy kJ (?)67352938033048757411941034119611639767697639521909171820821387128511541133117913461163
Wind
(km/h)
5
ENE
5
SSE
10
SSE
10
ESE
10
SE
0
WNW
5
SSE
10
W
10
WNW
10
WSW
10
WSW
25
N
20
NNE
15
NE
15
NE
20
NE
20
NE
20
NE
20
NE
15
NE
15
NE
15
NE
20
NE
20
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offcross-
off		cross-
off		cross-
off		cross-
off		glasscross-
off		ononcross-
on		cross-
on		crosscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off
High Tide
/ height (m)
3:33PM
0.16
4:10AM
0.51
4:18PM
0.18
4:41AM
0.48
5:10PM
0.21
5:11AM
0.44
Low Tide
/ height (m)
7:50PM
-0.04
10:13AM
0.01
8:32PM
-0.01
10:40AM
0.00
9:19PM
0.03
11:07AM
-0.01
Monday
19
Tuesday
20
Wednesday
21
Thursday
22
Sunrise-----7:11-------7:11-------7:11--
Sunset6:13-------6:13-------6:14-------
clear
part cloud
part cloud
part cloud
part cloud
cloud
clear
clear
part cloud
cloud
cloud
rain showers
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
part cloud
cloud
cloud
part cloud
Rain (mm)
-----------1------------
Temp. °C242424232323242524242321222223232222222121212222
Feels °C (?)242424232324242423242318192021212019202020202120
  • 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

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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 Aligator Rock 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.

View detailed surf forecast for Aligator Rock at:
surf-forecast.com

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