Waialua Rivermouth surfForecast / HAW – Molokai / USA

information circle16 Day Weather and Surf, issued 7 pm Saturday 25 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
25.1° C
(Which is slightly warmer than usual)

Best Forecast Surf Conditions for Waialua Rivermouth this week:

The most powerful waves expected at Waialua Rivermouth in the next 16 days are 1.6m 14s and forecast to arrive on Saturday (May 02) at 8AM. 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 8AM (Sat 2nd May)5ft (1.6m) 14s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Some drizzle, heaviest during Mon night. Warm (max 24°C on Sun afternoon, min 23°C on Sat night). Mainly fresh winds.

Days 5-7 Weather Summary

Some drizzle, heaviest during Tue night. Warm (max 24°C on Fri afternoon, min 23°C on Tue night). Mainly fresh winds.

Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
Friday
1
Sat
2
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
Swell
Height Map
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<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)
1.6
NE
8
1
NW
12
1
NW
12
1.6
ENE
8
1.7
ENE
7
1.5
ENE
7
1.4
ENE
7
1.2
E
7
1.7
ENE
7
1.8
E
7
1.6
ENE
7
1.3
ENE
7
1
NW
13
1.1
NW
12
1.1
NW
12
1.2
NNW
12
2
ENE
7
1
NW
18
1.3
NW
16
1.6
NW
14
1.3
NW
13
Wave Graph
Metric surfscale
Energy kJ
329
287
268
302
294
225
168
139
268
348
225
161
311
325
303
410
371
602
897
992
618
Wind (km/h)
25
E
20
ENE
20
ENE
25
E
25
E
30
ENE
25
E
25
E
30
ENE
25
E
25
ENE
30
ENE
25
ENE
30
ENE
30
ENE
25
ENE
35
E
30
ENE
35
ENE
30
ENE
30
ENE
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-on
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross
High Tide
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
2:46PM0.62m
2:14AM0.27m
3:18PM0.63m
2:46AM0.23m
3:50PM0.63m
Low Tide
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
9:49PM0.07m
8:15AM-0.07m
10:34PM0.07m
8:38AM-0.06m
clear
clear
clear
clear
clear
clear
thunderstorm
clear
part cloud
thunderstorm
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:58
5:58
5:58
5:56
5:56
5:56
5:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:49
6:50
6:50
6:50
6:51
6:51
6:51
6:52
1
1
Temp °C
23
23
24
23
24
24
23
23
24
23
23
23
23
23
23
23
23
24
23
23
23
21
23
23
22
23
22
22
22
22
20
20
20
20
20
19
20
20
21
19
20
20
Swell 1
Height (m)
Direction
Period (s)
1
NW
12
1
NW
12
1
NW
12
0.9
NW
11
0.8
NW
11
0.7
NW
11
0.6
NW
10
0.6
NNE
7
0.5
NW
10
0.8
NW
13
0.8
NW
12
0.7
NW
12
1
NW
13
1.1
NW
12
1.1
NW
12
1.2
NNW
12
1.1
NNW
12
1
NNW
11
1.3
NW
16
1.6
NW
14
1.3
NW
13
Energy kJ
287
287
268
179
140
117
84
34
49
239
169
134
311
325
303
410
336
261
897
992
618
Swell 2
Height (m)
Direction
Period (s)
0.4
SW
15
0.4
SW
14
0.5
SW
14
0.4
SW
14
0.4
SW
13
0.5
NE
8
0.4
SW
13
0.6
NNW
10
0.6
NW
14
0.2
NNE
10
0.4
NW
14
0.5
NNW
14
0.4
NE
9
0.4
NE
8
0.3
NE
9
0.4
NE
9
0.5
NW
20
1
NW
18
0.8
NNW
11
0.2
SSW
15
0.2
SSW
15
Energy kJ
78
74
102
68
45
35
44
68
123
10
53
110
19
18
12
21
186
602
154
21
21
Swell 3
Height (m)
Direction
Period (s)
0.3
WNW
11
0.2
W
10
0.3
ESE
8
0.1
W
9
0.4
NE
9
0.4
SW
13
0.4
NE
8
0.4
NW
15
0.3
SW
12
0.2
SSW
12
0.4
NE
9
0.4
NE
9
0.1
SW
11
0.1
SW
17
0.2
NNE
10
0.2
SSW
15
0.4
NE
9
0.2
SSW
16
0.2
SSW
16
0.2
SSW
18
0.2
SSW
18
Energy kJ
22
8
12
2
22
44
18
55
23
14
23
22
5
11
10
22
21
26
26
31
31
Wind waves
Height (m)
Direction
Period (s)
1.6
NE
8
1.4
NE
8
1.3
NE
8
1.6
ENE
8
1.7
ENE
7
1.5
ENE
7
1.4
ENE
7
1.2
E
7
1.7
ENE
7
1.8
E
7
1.6
ENE
7
1.3
ENE
7
1.4
ENE
7
1.6
ENE
7
1.6
ENE
7
1.7
ENE
7
2
ENE
7
2.1
ENE
7
2.2
ENE
7
1.9
ENE
8
2
ENE
7
Energy kJ
329
215
210
302
294
225
168
139
268
348
225
161
180
261
276
294
371
443
526
397
415
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
1
1
1
1
1
1
1
1
1
1
1
2
2
1
2
3
3
2
Distance (km)
23
19
23
23
23
23
23
23
23
23
23
23
23
23
23
23
27
23
23
23
23
Best forecast wave conditions in Molokai
Rating
(10 max)
Best forecast wave conditions in United States
Rating
(10 max)
3
3
3
2
1
1
2
1
2
2
2
2
3
2
3
3
3
3
5
3
2
Header Global
Rating
(10 max)
8
7
8
6
5
5
5
5
9
6
9
6
5
5
8
6
5
4
5
4
4
  • 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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