Waialua Rivermouth surfForecast / HAW – Molokai / USA

information circle16 Day Weather and Surf, issued 1 am 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 1.1m 13s and forecast to arrive on Wednesday (Apr 29) at 8PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 14s period and expected on Sunday (Apr 26) at 5PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 8PM (Wed 29th Apr)3.5ft (1.1m) 13s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 24°C on Thu morning, min 23°C on Thu night). Wind will be generally light.

Days 4-6 Weather Summary

Light rain (total 4mm), mostly falling on Sun night. Warm (max 24°C on Sun morning, min 23°C on Sun morning). Mainly fresh winds.

Thursday
23
Friday
24
Saturday
25
Sunday
26
Monday
27
Tuesday
28
Wednesday
29
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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>
Wave
Height (m)
Direction
Period (s)
1.1
NNE
11
0.9
NW
12
0.9
NNE
10
0.9
NNE
9
0.9
NNE
9
1.3
NNE
9
1.5
NNE
8
1.7
NE
8
1
NW
12
1
NW
12
1
NW
12
0.9
NW
11
1.6
ENE
8
1.5
ENE
7
1.6
ENE
7
1.4
ENE
7
1.5
ENE
7
0.8
NW
13
1.8
ENE
7
1
NW
14
1.1
NW
13
Wave Graph
Metric surfscale
Energy kJ
265
205
140
124
116
228
307
373
287
287
268
179
270
231
232
168
181
246
268
363
370
Wind (km/h)
15
ENE
20
NE
25
NE
20
NE
20
NE
25
ENE
20
ENE
20
ENE
20
E
20
ENE
25
ENE
20
E
25
ENE
25
ENE
25
E
30
E
25
ENE
25
ENE
25
ENE
25
E
25
E
cross
cross
cross
cross
cross
cross
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
High Tide
9:21AM0.15m
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
1:38PM0.06m
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
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
rain showers
clear
clear
thunderstorm
clear
rain showers
rain showers
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:01
6:01
6:00
5:58
5:58
5:58
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
1
1
1
1
Temp °C
24
24
24
23
24
23
23
24
24
24
24
24
24
24
23
24
24
23
23
23
23
24
24
23
22
23
22
22
22
23
23
23
23
23
23
21
22
21
20
21
20
21
Swell 1
Height (m)
Direction
Period (s)
1.1
NNE
11
1
NNE
10
0.9
NNE
10
0.9
NNE
9
0.9
NNE
9
1.3
NNE
9
1.5
NNE
8
0.9
NW
13
1
NW
12
1
NW
12
1
NW
12
1.2
NE
8
0.9
NW
11
0.7
NW
11
0.6
NW
10
0.6
NNW
10
0.6
NW
14
0.8
NW
13
0.8
NW
12
1
NW
14
1.1
NW
13
Energy kJ
265
202
140
124
116
228
307
249
287
287
268
169
169
117
82
69
132
246
217
363
370
Swell 2
Height (m)
Direction
Period (s)
0.9
NNW
12
0.9
NW
12
0.7
NW
12
0.5
NW
11
0.5
NW
11
0.6
NW
12
0.9
NW
11
0.4
SW
16
0.4
SW
15
0.4
SW
14
0.5
SW
14
0.9
NW
11
0.4
SW
13
0.4
NE
9
0.4
SW
13
0.4
NW
15
0.5
NW
10
0.4
NNW
16
0.6
NNW
15
0.4
NE
9
0.4
NE
9
Energy kJ
260
205
140
63
59
120
189
61
78
74
102
179
45
21
44
60
49
100
146
23
21
Swell 3
Height (m)
Direction
Period (s)
0.5
W
13
0.4
W
12
0.4
WNW
15
0.5
W
13
0.5
W
13
0.4
WNW
12
0.4
WNW
12
0.3
WNW
11
0.3
ESE
8
0.3
ESE
8
0.3
ESE
8
0.4
SW
14
0.4
NE
9
0.4
SW
13
0.3
NNE
8
0.4
NE
8
0.3
SW
12
0.2
SSW
12
0.4
NE
10
0.2
SSW
11
0.2
SSW
11
Energy kJ
80
49
71
89
87
48
46
23
11
12
12
68
22
44
14
18
23
14
25
12
12
Wind waves
Height (m)
Direction
Period (s)
0.5
E
4
0.4
ENE
3
0.8
NE
4
0.5
ENE
4
0.4
E
4
0.4
ESE
8
0.4
ESE
8
1.7
NE
8
1.5
NE
8
1.3
NE
8
1.3
NE
8
0.9
E
4
1.6
ENE
8
1.5
ENE
7
1.6
ENE
7
1.4
ENE
7
1.5
ENE
7
1.7
ENE
6
1.8
ENE
7
1.6
ENE
7
1.4
ENE
7
Energy kJ
7
3
26
11
6
26
26
373
264
200
179
30
270
231
232
168
181
185
268
214
175
Nearest Offshore or Glassy
Rating
(10 max)
2
1
1
1
1
1
2
1
2
2
2
2
1
1
1
1
1
1
1
2
2
Distance (km)
16
23
23
23
23
23
23
23
19
23
23
19
23
23
23
25
23
23
25
146
23
Best forecast wave conditions in Molokai
Rating
(10 max)
1
Best forecast wave conditions in United States
Rating
(10 max)
3
2
3
3
1
2
3
3
3
3
3
2
2
1
2
2
2
2
2
2
3
Header Global
Rating
(10 max)
5
5
5
5
4
4
4
4
6
6
8
5
6
6
4
6
9
5
8
5
6
  • 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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