Waialua Rivermouth surfForecast / HAW – Molokai / USA

information circle48hr Weather and Surf, issued 7 am Saturday 10 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
25.1° C
(Which is slightly warmer than usual)


How big are the waves at Waialua Rivermouth today?

The current surf forecast for Waialua Rivermouth at 12PM is: 3.0m 16s primary swell from a North-northwest direction and 0.9m 8s secondary swell from a East direction (forecast issued at 07:00am January 10). The wind direction is predicted to be cross-offshore and the swell rating is 5.

Time (HST) & DateWave HeightWave Period
Morning (10 Jan)6ft (1.9m)16s
Afternoon (10 Jan)10ft (3.0m)15s
Evening (10 Jan)8ft (2.5m)14s

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

Updates in  hr  min  s Forecast update imminent
Saturday
10
Sunday
11
Monday
12
Tue
13
5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM
Rating
(10 max)
3
4
5
5
6
4
4
4
4
4
5
5
4
3
3
3
2
2
3
5
6
6
6
5
Swell
Height Map
Wave Height (m) & direction (?)
0.8
NNW
1.6
NW
2.5
NNW
3
NNW
3
NNW
3
NNW
2
NNW
2.2
NNW
3
NNW
2.5
NNW
2.5
NNW
2.5
NNW
2.4
NNW
2.4
NNW
2.3
NNW
2.2
NNW
2.2
NW
2.2
NW
2.4
NNW
3.5
NW
3.5
NW
4
NW
4
NW
4
NW
Period(s) (?)181716151414181717161616151414141313141716161515
Wave
Graph
(?)Metric surfscale
Energy kJ (?)40813843740415337143212246526304652383434173035254723792151188615991551203367886947733468646645
Wind
(km/h)
0
WNW
0
NW
5
N
5
NNE
10
NNE
10
ENE
5
ENE
5
E
5
E
5
SE
5
SE
5
SE
5
SSE
10
S
15
SSW
15
SW
15
SSW
15
SW
15
W
30
N
25
N
25
N
25
NNE
25
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glassglassglasscross-
off
cross-
off
crosscross-
on
cross-
on
cross-
on
onglassglassglasscross-
on
crosscrosscrosscrosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
7:29AM
0.35
10:37PM
0.48
8:10AM
0.27
11:30PM
0.53
9:27AM
0.22
12:14AM
0.57
Low Tide
/ height (m)
3:20AM
0.25
3:00PM
0.01
5:53AM
0.23
3:38PM
0.01
7:41AM
0.18
4:21PM
0.00
Saturday
10
Sunday
11
Monday
12
Tue
13
Sunrise-7:05-------7:05-------7:05------
Sunset----6:01-------6:02-------6:04---
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
rain showers
light rain
part cloud
part cloud
part cloud
part cloud
Rain (mm)
------------------23----
Temp. °C232323242424232323232324242423232323242222222221
Feels °C (?)262625262526252525252526262623232323241819191917
  • 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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