Waialua Rivermouth surfForecast / HAW – Molokai / USA

information circle16 Day Weather and Surf, issued 7 pm Thursday 26 Mar 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
24.1° 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 2.5m 11s and forecast to arrive on Monday (Mar 30) at 11PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 13s period and expected on Friday (Mar 27) at 8PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful11PM (Mon 30th Mar)8ft (2.5m) 11s

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 5mm), mostly falling on Thu night. Warm (max 22°C on Thu night, min 20°C on Fri night). Mainly fresh winds.

Days 3-6 Weather Summary Light rain (total 3mm), mostly falling on Mon night. Warm (max 22°C on Mon afternoon, min 21°C on Sun night). Mainly fresh winds.

Friday
27
Saturday
28
Sunday
29
Monday
30
Tuesday
31
Wednesday
01
Thu
02
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
1
1
1
0
1
1
0
2
1
1
1
1
1
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.8
NE
1.8
NE
1.7
NNE
1.6
NE
1.7
NE
1.9
NNE
1.7
NNE
2.4
N
2.5
N
2.5
N
3
NNE
2.5
NNE
2.4
NNE
2.5
NNE
2.5
NE
2.1
NNE
2.4
NE
2.4
NE
2.2
NE
1.4
NE
1.3
NNE
Period(s) (?)99999791111111111111111111110101010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)5285164863884703304591369157716941775167514851447153797012781195936400314
Wind
(km/h)
15
NE
25
NE
30
NNE
25
NE
30
NNE
30
NNE
25
NE
30
NE
30
NE
30
NE
35
NE
35
NE
35
ENE
30
ENE
35
ENE
30
ENE
35
ENE
35
ENE
30
E
30
E
25
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscross-
off
crosscross-
off
cross-
off
crosscross-
off
crosscrosscrosscrosscrosscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
High Tide
/ height (m)
11:05PM
0.59
11:52AM
0.21
11:59PM
0.59
12:40PM
0.28
12:43AM
0.57
1:20PM
0.35
1:20AM
0.54
1:57PM
0.42
1:53AM
0.50
2:33PM
0.48
2:23AM
0.45
3:07PM
0.52
2:51AM
0.39
3:41PM
0.55
Low Tide
/ height (m)
6:53AM
-0.01
5:02PM
0.02
7:21AM
-0.03
6:11PM
0.01
7:46AM
-0.04
7:08PM
0.01
8:09AM
-0.05
7:59PM
0.01
8:30AM
-0.06
8:47PM
0.02
8:50AM
-0.06
9:34PM
0.04
9:10AM
-0.06
Friday
27
Saturday
28
Sunday
29
Monday
30
Tuesday
31
Wednesday
01
Thu
02
Sunrise-6:24--6:24--6:22--6:22--6:20--6:20--6:18-
Sunset--6:39--6:39--6:39--6:40--6:40--6:40--6:42
rain showers
rain showers
rain showers
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
rain showers
clear
clear
rain showers
part cloud
part cloud
part cloud
part cloud
part cloud
Rain (mm)
122---------1--2-----
Temp. °C222121212120212121212122212222212222222222
Feels °C (?)201918171715161616171517161717161717181718
  • 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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