Waialua Rivermouth surfForecast / HAW – Molokai / USA

information circle48hr Weather and Surf, issued 1 am Monday 19 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
25.0° C
(Which is slightly warmer than usual)


How big are the waves at Waialua Rivermouth today?

The current surf forecast for Waialua Rivermouth at 3AM is: 2.3m 15s primary swell from a Northwest direction and 0.8m 9s secondary swell from a North direction, 1.5m 6s secondary swell from a East direction (forecast issued at 01:00am January 19). The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (19 Jan)6ft (1.9m)14s
Afternoon (19 Jan)5ft (1.6m)13s
Evening (19 Jan)4.5ft (1.3m)13s

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

Updates in  hr  min  s Forecast update imminent
Monday
19
Tuesday
20
Wednesday
21
11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM
Rating
(10 max)
0
1
0
0
2
2
2
0
0
1
2
2
4
1
1
2
3
3
3
3
3
4
3
3
Swell
Height Map
Wave Height (m) & direction (?)
2.5
NW
2.3
NW
2.2
NW
2
NW
1.8
NW
1.6
NW
1.5
NW
1.3
NW
1.2
NW
1.1
NW
1
NW
0.9
NW
1
NW
1.5
NW
1.6
NW
1.6
NW
1.7
NW
1.6
NW
1.5
NW
1.1
NW
1.2
NW
2.1
NW
1.9
NW
1.9
NW
Period(s) (?)161514141413131313121217161615141414131716161514
Wave
Graph
(?)Metric surfscale
Energy kJ (?)310222781956158012389337556094803802814875151082103411091163911769680776202814661407
Wind
(km/h)
20
E
20
E
25
E
25
ESE
15
ESE
15
ESE
10
E
15
ESE
15
E
15
ESE
10
SE
5
S
5
WSW
20
S
15
SSE
15
SE
10
ESE
10
E
5
ENE
10
NE
15
NE
15
NNE
15
NE
15
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
on
cross-
on
ononcross-
on
cross-
on
cross-
on
cross-
on
oncross-
on
cross-
off
cross-
on
ononcross-
on
cross-
on
crosscrosscrosscross-
off
crosscross
High Tide
/ height (m)
3:38AM
0.69
3:32PM
0.23
4:09AM
0.67
4:17PM
0.26
4:40AM
0.63
5:09PM
0.29
Low Tide
/ height (m)
8:29PM
-0.07
11:03AM
0.02
9:07PM
-0.05
11:30AM
0.01
9:49PM
-0.02
11:57AM
0.00
Monday
19
Tuesday
20
Wednesday
21
Sunrise---7:05-------7:05-------7:05----
Sunset------6:07-------6:08-------6:09-
part cloud
part cloud
clear
clear
clear
part cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
part cloud
cloud
part cloud
cloud
cloud
Rain (mm)
------------------------
Temp. °C232322222324232323232323232324232323232323232323
Feels °C (?)202018182123222121222324232123222423242323232323
  • 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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