Waialua Rivermouth surfForecast / HAW – Molokai / USA

information circle48hr Weather and Surf, issued 1 am Thursday 25 Dec 2025 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
25.8° C
(Which is 1.0°C warmer than normal for this time of year)


How big are the waves at Waialua Rivermouth today?

The current surf forecast for Waialua Rivermouth at 4AM is: 1.7m 12s primary swell from a North-northeast direction and 1.6m 7s secondary swell from a East direction (forecast issued at 01:00am December 25). An open ocean swell of 0.3m 13s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (25 Dec)5.5ft (1.7m)12s
Afternoon (25 Dec)5.5ft (1.7m)12s
Evening (25 Dec)5.5ft (1.7m)12s

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

Updates in  hr  min  s Forecast update imminent
Thursday
25
Friday
26
Saturday
27
11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
1
2
2
2
Swell
Height Map
Wave Height (m) & direction (?)
1.6
NNE
1.6
NNE
1.7
NNE
1.7
NNE
1.8
NNE
1.7
NNE
1.7
NNE
1.7
NNE
1.7
NNE
1.6
NNE
1.7
NNE
1.6
NNE
1.8
NNE
1.7
NNE
1.6
NNE
1.5
NNE
1.5
NNE
1.4
NNE
1.4
NNE
1.3
NNE
1.2
NNE
1.1
NNE
1
NNE
0.9
NNE
Period(s) (?)131312121212121212121212121212111111111111101010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)811774807780887780767767754718754647964852648521534460431366302241222180
Wind
(km/h)
30
E
25
E
25
E
25
E
30
E
30
E
25
E
30
E
25
E
25
E
25
E
25
E
30
E
30
E
30
E
30
E
20
ESE
15
ESE
10
SE
15
SE
10
SE
10
WNW
10
N
5
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
onononononoffcross-
off
glass
High Tide
/ height (m)
6:29AM
0.59
8:06PM
0.29
7:10AM
0.53
9:26PM
0.37
7:56AM
0.45
Low Tide
/ height (m)
11:20PM
0.10
2:17PM
0.02
12:36AM
0.17
2:51PM
0.00
2:25AM
0.23
3:25PM
-0.02
Thursday
25
Friday
26
Saturday
27
Sunrise---7:01-------7:01-------7:01----
Sunset------5:52-------5:52-------5:52-
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
clear
clear
clear
part cloud
clear
clear
clear
part cloud
clear
clear
Rain (mm)
------------------------
Temp. °C232323232324232323232323242424242423232324252424
Feels °C (?)191919202020201920212120212021212322232224252526
  • 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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