Aligator Rock surfForecast / HAW – Oahu / USA

information circle48hr Weather and Surf, issued 1 am Friday 20 Feb 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
24.5° C
(Which is slightly warmer than usual)


How big are the waves at Aligator Rock today?

The current surf forecast for Aligator Rock at 6AM is: 0.6m 11s primary swell from a Northwest direction and 0.4m 15s secondary swell from a Northeast direction (forecast issued at 01:00am February 20). An open ocean swell of 3.0m 9s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (HST) & DateWave HeightWave Period
Morning (20 Feb)1.5ft (0.4m)14s
Afternoon (20 Feb)2ft (0.6m)13s
Evening (20 Feb)2ft (0.6m)12s

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

Updates in  hr  min  s Forecast update imminent
Friday
20
Saturday
21
Sunday
22
11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM
Rating
(10 max)
1
1
0
0
0
0
1
1
2
2
1
1
1
1
1
2
1
1
1
1
1
1
0
1
Swell
Height Map
Wave Height (m) & direction (?)
0.7
NE
0.8
NE
0.6
NW
0.4
NNE
0.4
NNE
0.6
NNE
0.7
NNE
0.6
NNE
1.1
NE
1.2
NE
0.5
NNE
0.4
NNE
0.7
NNE
0.4
NW
0.5
NW
1
NE
0.5
NW
0.5
NW
0.9
NNE
0.9
NNE
0.8
NNE
1.1
NE
1.2
NE
1.2
NE
Period(s) (?)111111141413121299111111131381312888888
Wave
Graph
(?)Metric surfscale
Energy kJ (?)121134798171118138982112476949103618412980721068875163178178
Wind
(km/h)
30
E
30
E
30
E
30
E
30
E
30
E
25
E
20
ESE
15
ESE
5
SE
10
ESE
5
E
5
E
5
ENE
5
NE
5
E
5
ESE
5
SE
0
S
0
W
5
NW
10
NW
10
NNW
10
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffoffoffoffoffoffoffoffcross-
off
cross-
off
glassoffglassglassoffglassglassglassglassglasscross-
on
crosscross-
off
High Tide
/ height (m)
4:38AM
0.35
5:42PM
0.35
5:08AM
0.28
6:42PM
0.37
5:40AM
0.21
7:53PM
0.40
Low Tide
/ height (m)
9:33PM
0.04
10:04AM
-0.04
10:37PM
0.08
10:33AM
-0.05
12:02AM
0.12
11:08AM
-0.04
Friday
20
Saturday
21
Sunday
22
Sunrise---6:58-------6:58-------6:58----
Sunset------6:31-------6:31-------6:32-
part cloud
cloud
part cloud
cloud
cloud
light rain
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
thunderstorm
thunderstorm
cloud
thunderstorm
part cloud
cloud
part cloud
part cloud
clear
clear
clear
Rain (mm)
-----1112411-21-1-------
Temp. °C222222222323232222212122242424222222212223242322
Feels °C (?)181919192020212122222224252626232424232424252323
  • 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 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.


Nearest locationNearest
Nearest locationNearest
Nearest locationNearest