Cliffs surfForecast / HAW – Oahu / USA

information circle48hr Weather and Surf, issued 7 am Monday 20 Apr 2026 HST
Forecast update in hr  min  s Forecast update imminent
Cliffs surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Cliffs sea temperature is
24.8° C
(Which is normal for this time of year)

How big are the waves at Cliffs today?

The current surf forecast for Cliffs at 3PM is: 0.5m 14s primary swell from a Southwest direction and 0.7m 7s secondary swell from a East direction, 0.5m 13s secondary swell from a West direction, 0.4m 8s secondary swell from a South-southeast direction (forecast issued at 07:00am April 20). The wind direction is predicted to be onshore.

Time (HST) & DateWave HeightWave Period
Morning (20 Apr)1.5ft (0.4m)12s
Afternoon (20 Apr)1.5ft (0.5m)14s
Evening (20 Apr)1.5ft (0.5m)13s

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


Updates in  hr  min  s Forecast update imminent
Monday
20
Tuesday
21
Wednesday
22
Thu
23
5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM
Rating
(10 max)
1
1
0
1
1
0
0
1
1
1
1
1
1
2
2
1
1
1
1
1
1
2
1
1
Swell
Height Map
Wave Height (m) & direction (?)
0.5
W
0.4
SSE
0.5
W
0.5
SW
0.5
SW
0.5
W
0.5
W
0.5
W
0.6
W
0.5
W
0.5
W
0.6
W
0.6
W
0.7
W
0.7
W
0.7
W
0.7
W
0.7
W
0.7
W
0.7
W
0.7
W
0.7
W
0.6
W
0.6
W
Period(s) (?)141213141413131314161615141414141414141413131313
Wave
Graph
(?)Metric surfscale
Energy kJ (?)964983103103838587136118118153132202202199196196191178173170123121
Wind
(km/h)
10
NE
5
NE
15
SE
10
SE
10
S
10
ESE
10
E
5
SE
5
SW
5
WNW
0
SSW
5
SSW
5
NW
10
NE
10
NE
10
NE
10
NE
10
NE
10
NE
15
NE
15
NE
15
NE
15
NE
15
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
on
cross-
on
oncross-
on
crossglassglasscross-
off
glassglassglasscross-
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)
5:45AM
0.13
7:09PM
0.65
6:54AM
0.09
8:13PM
0.62
8:44AM
0.08
9:21PM
0.59
Low Tide
/ height (m)
11:13AM
-0.08
3:11AM
0.03
11:58AM
-0.04
4:34AM
0.02
12:59PM
0.01
Monday
20
Tuesday
21
Wednesday
22
Thu
23
Sunrise-6:07-------6:07-------6:05------
Sunset----6:52-------6:52-------6:52---
clear
clear
clear
thunderstorm
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
---1--------------------
Temp. °C242425242524232424242525252424232323242525242423
Feels °C (?)272727262726252727272928282626252525252626252524
  • 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 Cliffs 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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