Waialua Rivermouth surfForecast / HAW – Molokai / USA

information circle12 Day Weather and Surf, issued 7 pm Saturday 28 Feb 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 surf forecast for Waialua Rivermouth over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Mar 01) at 8AM. The primary swell is predicted to be 1.0m and 13s period with a secondary swell of 1.1m and 11s. Another secondary swell of 1.2m and 6s is also forecast. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Waialua Rivermouth in the next 12 days are 2.5m 8s and forecast to arrive on Saturday (Mar 07) at 2PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 13s period and expected on Saturday (Mar 07) at 2AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Sun 1st Mar)3.5ft (1.0m) 13s
Best Surf 8AM (Sun 1st Mar)3.5ft (1.0m) 13s
Most Powerful 2PM (Sat 7th Mar)8ft (2.5m) 8s

Table - best surf conditions forecast for Waialua Rivermouth over the next 12 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Light rain (total 4mm), mostly falling on Mon morning. Warm (max 23°C on Sat night, min 22°C on Sat night). Winds increasing (calm on Sun morning, fresh winds from the ENE by Tue afternoon).

Days 3-6 Weather Summary Mostly dry. Warm (max 24°C on Fri afternoon, min 22°C on Tue night). Mainly fresh winds.

Sunday
01
Monday
02
Tuesday
03
Wednesday
04
Thursday
05
Friday
06
Sat
07
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
1
2
1
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.8
NW
1
NW
1.1
NW
1.1
NW
1.3
NW
1.3
NW
1.3
NW
1.2
NW
1.2
NW
2.1
E
2.2
E
2.2
E
2.5
E
2.1
E
2.1
E
2.1
E
2.1
E
2.4
E
2.5
E
2.5
E
2.5
E
Period(s) (?)141312111312121212777888888898
Wave
Graph
(?)Metric surfscale
Energy kJ (?)245316314278591511455396396378493521708567569581596761844908959
Wind
(km/h)
15
ESE
5
E
15
ENE
20
E
15
NE
25
NE
30
ENE
35
E
35
ENE
35
E
35
E
35
E
25
E
30
E
30
ENE
25
E
30
E
25
E
20
ESE
20
ESE
25
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
on
cross-
on
crosscrosscross-
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
/ height (m)
1:53AM
0.66
2:08PM
0.30
2:29AM
0.63
2:48PM
0.36
3:00AM
0.59
3:26PM
0.41
3:30AM
0.53
4:06PM
0.45
3:57AM
0.46
4:45PM
0.47
4:22AM
0.39
5:26PM
0.48
4:46AM
0.32
6:12PM
0.48
Low Tide
/ height (m)
9:01AM
-0.04
7:55PM
-0.07
9:25AM
-0.05
8:41PM
-0.05
9:48AM
-0.05
9:27PM
-0.01
10:10AM
-0.05
10:13PM
0.03
10:32AM
-0.05
11:02PM
0.07
10:53AM
-0.04
11:57PM
0.11
11:15AM
-0.02
Sunday
01
Monday
02
Tuesday
03
Wednesday
04
Thursday
05
Friday
06
Sat
07
Sunrise-6:47--6:46--6:46--6:45--6:43--6:43--6:41-
Sunset--6:30--6:30--6:31--6:31--6:31--6:32--6:32
light rain
cloud
cloud
cloud
thunderstorm
cloud
part cloud
clear
clear
part cloud
clear
part cloud
clear
clear
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
Rain (mm)
1---3----------------
Temp. °C232323232222232323222323232323232324232323
Feels °C (?)242624232222212120182019202221212222212222
  • 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 12 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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