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Surf Forecasts:

Waialua Rivermouth surfForecast / HAW – Molokai / USA

information circle48hr Weather and Surf, issued 1 pm Tuesday 20 Jan 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
24.9° C
 (Which is slightly warmer than usual)

How big are the waves at Waialua Rivermouth today?

The current surf forecast for Waialua Rivermouth at 6PM is: 1.6m 15s primary swell from a Northwest direction and 1.1m 7s secondary swell from a East direction (forecast issued at 01:00pm January 20). The wind direction is predicted to be cross-shore.

Time (HST) & DateWave HeightWave Period
Morning (20 Jan)3ft (0.9m)17s
Afternoon (20 Jan)5ft (1.5m)15s
Evening (20 Jan)5ft (1.6m)14s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM
Rating
(10 max)
2
2
2
3
3
3
4
3
4
4
3
2
2
3
3
2
3
2
3
2
3
3
3
3
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1
NW
1.5
NW
1.6
NW
1.6
NW
1.6
NW
1.6
NW
1.5
NW
1.1
NW
2.1
NW
1.9
NW
2
NW
1.9
NW
1.9
NW
1.7
NW
1.8
NW
1.8
NW
1.8
NW
1.8
NW
1.8
NW
1.8
NW
1.7
NW
1.6
NW
1.6
NW
1.5
NNW
Period(s) (?)161615141414131713161514141414141313131212131312
Wave
Graph
(?)Metric surfscale
Energy kJ (?)515108210341006107991176975414791761169514071368117012361150108310031034959888821865669
Wind
(km/h)
15
SSE
15
S
15
S
5
S
10
S
10
S
10
W
25
N
15
NNE
10
NNE
20
NNE
20
NE
20
NE
15
NNE
20
NNE
15
NE
15
NNE
15
ENE
10
ESE
10
ENE
15
NE
15
NE
15
NE
15
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		crosscrosscross-
off		cross-
off		crosscross-
off		cross-
on		cross-
on		cross-
on		crosscross-
off		cross-
off		cross
High Tide
/ height (m)
4:17PM
0.26
4:40AM
0.63
5:09PM
0.29
5:10AM
0.58
6:08PM
0.34
5:42AM
0.51
Low Tide
/ height (m)
11:30AM
0.01
9:49PM
-0.02
11:57AM
0.00
10:36PM
0.04
12:24PM
-0.01
11:33PM
0.11
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Sunrise-------7:05-------7:05-------7:05
Sunset--6:08-------6:09-------6:09-----
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
rain showers
part cloud
cloud
cloud
cloud
rain showers
light rain
light rain
light rain
light rain
cloud
cloud
part cloud
cloud
cloud
cloud
cloud
Rain (mm)
-------1----11222-------
Temp. °C242425242323232122222222222221222120212222222222
Feels °C (?)232324252323231921222020212220212120212222212122
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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 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.

View detailed surf forecast for Waialua Rivermouth at:
surf-forecast.com

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