Waialua Rivermouth surfForecast / HAW – Molokai / USA

information circle16 Day Weather and Surf, issued 1 pm Thursday 23 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
24.8° C
(Which is normal for this time of year)

Best Forecast Surf Conditions for Waialua Rivermouth this week:

The most powerful waves expected at Waialua Rivermouth in the next 16 days are 1.3m 12s and forecast to arrive on Thursday (Apr 30) at 5PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 5s period and expected on Friday (Apr 24) at 5PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 5PM (Thu 30th Apr)4.5ft (1.3m) 12s

Table - best surf conditions forecast for Waialua Rivermouth over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 2mm), mostly falling on Fri night. Warm (max 24°C on Thu afternoon, min 23°C on Thu night). Mainly fresh winds.

Days 5-7 Weather Summary

Mostly dry. Warm (max 24°C on Sun afternoon, min 23°C on Sun night). Mainly fresh winds.

Thu
23
Friday
24
Saturday
25
Sunday
26
Monday
27
Tuesday
28
Wednesday
29
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
Rating
(10 max)
0
0
0
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
Swell
Height Map
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
0.9
NW
12
0.9
NNE
10
1
NNE
9
1
NNE
9
1.8
NE
8
1.7
NE
8
1
NW
13
1
NW
12
1
NW
12
1
NW
12
1.5
ENE
8
1.3
ENE
7
1.4
ENE
7
1.5
E
7
1.3
ENE
7
0.6
NW
14
0.9
NW
13
0.7
NNW
14
1
NW
14
1.1
NW
13
1.2
NNW
12
Wave Graph
Metric surfscale
Energy kJ
209
140
180
168
408
373
336
287
287
268
264
183
203
212
161
125
286
186
363
376
403
Wind (km/h)
20
NE
25
NE
20
NE
25
NE
30
ENE
25
ENE
25
NE
25
E
20
ENE
20
ENE
20
E
20
ENE
25
ENE
25
E
25
E
25
ENE
25
E
30
ENE
25
ENE
20
E
20
ENE
cross
cross
cross
cross
cross
cross
cross
cross-on
cross-on
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
High Tide
9:20PM0.58m
10:48AM0.21m
10:22PM0.55m
11:45AM0.30m
11:14PM0.51m
12:29PM0.38m
11:58PM0.47m
1:08PM0.46m
00:36AM0.41m
1:42PM0.53m
1:10AM0.36m
2:15PM0.59m
1:42AM0.31m
Low Tide
5:22AM-0.01m
3:25PM0.09m
5:57AM-0.02m
4:58PM0.10m
6:25AM-0.04m
6:13PM0.10m
6:49AM-0.05m
7:16PM0.09m
7:11AM-0.06m
8:11PM0.09m
7:32AM-0.06m
9:02PM0.08m
7:53AM-0.07m
part cloud
part cloud
part cloud
clear
rain showers
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:01
6:00
5:58
5:58
5:58
5:56
5:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:47
6:49
6:49
6:50
6:50
6:50
6:51
6:51
2
Temp °C
24
23
23
23
23
24
24
23
24
24
24
24
24
23
23
24
23
24
23
23
23
24
21
22
22
22
23
22
22
24
23
23
23
23
21
21
22
21
21
20
21
22
Swell 1
Height (m)
Direction
Period (s)
1
NNE
10
0.9
NNE
10
1
NNE
9
1
NNE
9
0.6
NW
12
0.9
NW
11
1
NW
13
1.3
NNE
8
1
NW
12
1.3
NE
8
0.9
NW
11
0.8
NW
11
0.7
NW
11
0.6
NW
10
0.6
NNW
10
0.5
NW
10
0.9
NW
13
0.7
NW
12
1
NW
14
1.1
NW
13
1.2
NNW
12
Energy kJ
202
140
180
168
120
189
336
213
287
188
179
142
117
84
69
49
286
139
363
376
403
Swell 2
Height (m)
Direction
Period (s)
0.9
NW
12
0.7
NW
12
0.5
NW
11
0.5
NW
11
0.4
WNW
12
0.3
WNW
12
0.7
NNE
8
1
NW
12
0.4
SW
14
1
NW
12
0.4
SW
14
0.4
ESE
7
0.4
NE
9
0.4
SW
13
0.4
NNE
8
0.5
ESE
8
0.3
SW
12
0.7
NNW
14
0.4
NE
9
0.4
NE
9
0.5
NE
8
Energy kJ
209
140
63
59
48
27
73
287
74
268
68
18
21
44
24
34
22
186
22
21
35
Swell 3
Height (m)
Direction
Period (s)
0.4
ESE
8
0.4
WNW
15
0.5
W
13
0.5
W
13
0.2
SSW
13
0.3
SW
15
0.4
SW
16
0.4
SW
15
0.3
ESE
8
0.5
SW
14
0.1
W
9
0.4
NE
9
0.4
SW
13
0.4
NE
8
0.4
NW
15
0.6
NW
14
0.2
NNE
11
0.4
ESE
8
0.2
SSW
11
0.2
SSW
11
0.1
SW
17
Energy kJ
20
71
89
87
17
36
61
78
12
103
2
22
44
18
56
125
11
22
12
12
11
Wind waves
Height (m)
Direction
Period (s)
0.4
NE
3
0.8
NE
4
0.6
NNE
5
1.8
NE
8
1.7
NE
8
1.3
NE
8
0.8
E
4
1.3
NE
8
1.5
ENE
8
1.3
ENE
7
1.4
ENE
7
1.5
E
7
1.3
ENE
7
1.1
NE
7
1.2
ENE
7
1.1
NE
7
1.3
ENE
7
1.6
ENE
6
1.3
ENE
7
Energy kJ
3
21
16
408
373
188
20
183
264
183
203
212
161
106
143
121
153
200
145
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
2
2
2
2
2
2
1
1
1
1
1
1
2
2
2
2
Distance (km)
23
23
23
23
23
23
23
19
19
19
17
23
23
23
23
23
23
25
23
19
19
Best forecast wave conditions in Molokai
Rating
(10 max)
Best forecast wave conditions in United States
Rating
(10 max)
2
2
2
2
3
2
2
3
2
3
3
2
1
2
1
2
2
2
3
2
3
Header Global
Rating
(10 max)
5
5
5
5
4
4
5
7
6
8
5
5
5
5
9
6
4
6
5
5
5
  • 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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Information about the Waialua Rivermouth Surf forecast

The above surf forecast table for Waialua Rivermouth provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Waialua Rivermouth can be found by selecting the local surf guide option on the grey menu. Our Waialua Rivermouth surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Waialua Rivermouth) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Waialua Rivermouth may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Are you planning a vacation in Molokai? If you are looking for accommodation near Waialua Rivermouth, camping, hotels and condos and appartments in Molokai, consider staying in Kaunakakai - Molokai which is 36 km (22 miles) away. Other places in and around Molokai where you can find information about places to rent, and car hire include Wailuku which is 36 km (22 miles) away, Kahului, Lanai - Lanai and Kihei.

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