Waialua Rivermouth surfForecast / HAW – Molokai / USA

information circle48hr Weather and Surf, issued 7 pm Monday 20 Apr 2026 HST
Forecast update in hr  min  s Forecast update imminent
Waialua Rivermouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Waialua Rivermouth sea temperature is
24.5° C
(Which is normal for this time of year)

How big are the waves at Waialua Rivermouth today?

The current surf forecast for Waialua Rivermouth at 12AM is: 0.5m 11s primary swell from a Northwest direction and 0.7m 7s secondary swell from a North-northeast direction, 0.6m 7s secondary swell from a East direction, 0.6m 4s secondary swell from a East direction (forecast issued at 07:00pm April 20). The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (21 Apr)--
Afternoon (21 Apr)2ft (0.6m)11s
Evening (21 Apr)2.5ft (0.8m)7s

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


Updates in  hr  min  s Forecast update imminent
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM
Rating
(10 max)
0
0
0
0
1
1
1
1
1
1
1
2
3
3
3
2
2
2
1
1
1
1
1
0
Swell
Height Map
Wave Height (m) & direction (?)
0.8
E
0.8
E
0.5
NW
0.8
E
0.9
NNE
0.8
NNE
0.9
NNE
0.9
NNE
0.5
NNE
0.8
NNE
1
NNE
1.1
NNE
1.4
NNE
1.4
NNE
1.4
NNE
1.4
NNE
1.3
NNE
1.3
NNE
1.3
NNE
1.2
NNE
1.1
NW
1.2
NNE
1.1
NNE
1
NNE
Period(s) (?)77117788816161514141313131212121213111111
Wave
Graph
(?)Metric surfscale
Energy kJ (?)6868567078649395149280417508811722690669517509461385370340265214
Wind
(km/h)
15
E
15
E
15
E
5
ENE
5
ENE
5
NNE
10
NNE
10
NNE
10
NE
10
NE
10
ENE
10
E
10
ENE
10
ENE
15
NE
15
NE
15
NE
15
ENE
15
ENE
15
ENE
15
ENE
20
NE
25
NE
25
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
on
cross-
on
glassglasscross-
off
cross-
off
crosscrosscross-
on
cross-
on
cross-
on
cross-
on
crosscrosscrosscrosscrosscrosscrosscrosscrosscross
High Tide
/ height (m)
5:59PM
0.68
5:43AM
0.13
7:02PM
0.65
7:21AM
0.12
8:11PM
0.61
9:21AM
0.15
Low Tide
/ height (m)
2:08AM
0.04
11:08AM
-0.05
3:32AM
0.03
12:09PM
0.01
4:37AM
0.01
1:38PM
0.06
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Sunrise-----6:03-------6:01-------6:01--
Sunset6:46-------6:47-------6:47-------
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
Rain (mm)
------------------------
Temp. °C242323232323242424242423232324242423232323232323
Feels °C (?)252424262626272626262625252526252523232423232221
  • 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 Waialua Rivermouth 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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