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Surf Forecasts:

Rivermouth_Wailuku surfForecast / HAW – Maui / USA

information circle12 Day Weather and Surf, issued 1 pm Friday 09 Jan 2026 HST
Forecast update in hr  min  s Forecast update imminent
Rivermouth_Wailuku surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Rivermouth_Wailuku sea temperature is
25.2° C
 (Which is slightly warmer than usual)

Best Forecast Surf Conditions for Rivermouth_Wailuku this week:

The surf forecast for Rivermouth_Wailuku over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Jan 09) at 5PM. The primary swell is predicted to be 0.8m and 12s period with a secondary swell of 0.7m and 8s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Rivermouth_Wailuku in the next 12 days are 4.0m 15s and forecast to arrive on Friday (Jan 16) 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 1.4m 5s period and expected on Thursday (Jan 15) at 8AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 5PM (Fri 9th Jan)2.5ft (0.8m) 12s
Best Surf 2PM (Sat 10th Jan)8ft (2.5m) 15s
Most Powerful 5PM (Fri 16th Jan)13ft (4.0m) 15s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Light rain (total 2mm), mostly falling on Mon morning. Warm (max 25°C on Fri afternoon, min 23°C on Fri night). Wind will be generally light.

Days 3-6 Weather Summary Moderate rain (total 13mm), heaviest on Thu morning. Warm (max 25°C on Wed afternoon, min 21°C on Mon night). Wind will be generally light.

Fri
09
Saturday
10
Sunday
11
Monday
12
Tuesday
13
Wednesday
14
Thursday
15
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
2
1
4
5
5
4
4
4
4
0
0
2
0
4
4
4
2
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.8
NW
0.6
NW
2.1
NNW
3
NNW
2
NNW
2.2
NNW
2.1
NNW
2
NNW
2
NNW
3
NNW
3
NW
3
NW
2.5
NW
2.2
NW
1.9
NW
1.7
NW
1.2
NW
1.1
NW
1.4
NW
3
NW
3.5
NNW
Period(s) (?)121116151416151413161514141313131212121515
Wave
Graph
(?)Metric surfscale
Energy kJ (?)167101234332141487247921441516142247374299301725281609120495143537356146985789
Wind
(km/h)
5
NNW
5
S
5
NNW
5
NE
0
ESE
0
SE
5
ESE
15
SW
15
WSW
30
N
25
NNE
15
NE
20
ENE
10
SE
5
WNW
25
SSW
30
SSW
15
WNW
20
N
25
NNE
25
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glassglassglassglassglassglassglassoffcross-
off		cross-
on		oncross-
on		cross-
on		cross-
off		glassoffoffcrossononon
High Tide
/ height (m)
8:35PM
0.38
6:23AM
0.49
10:54PM
0.45
6:14AM
0.44
12:02AM
0.53
12:39AM
0.59
1:10AM
0.65
10:15AM
0.30
1:39AM
0.69
11:34AM
0.31
2:08AM
0.73
12:26PM
0.33
Low Tide
/ height (m)
12:26AM
0.34
2:15PM
0.10
2:59AM
0.42
3:04PM
0.07
3:58PM
0.04
4:50PM
0.00
8:34AM
0.30
5:38PM
-0.04
8:35AM
0.27
6:20PM
-0.08
8:51AM
0.25
Fri
09
Saturday
10
Sunday
11
Monday
12
Tuesday
13
Wednesday
14
Thursday
15
Sunrise--7:03--7:05--7:05--7:05--7:05--7:05--7:05
Sunset6:00--6:01--6:01--6:02--6:04--6:04--6:05--
clear
clear
clear
clear
clear
clear
clear
clear
rain showers
thunderstorm
part cloud
part cloud
part cloud
clear
clear
clear
rain showers
mod rain
rain showers
part cloud
part cloud
Rain (mm)
--------24------274--
Temp. °C252324242424242424232122222224252424222121
Feels °C (?)272626262727262624231920202126242323201817
  • 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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Latest Updates

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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Rivermouth_Wailuku surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

View detailed surf forecast for Rivermouth_Wailuku at:
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Information about the Rivermouth_Wailuku Surf forecast

The above surf forecast table for Rivermouth_Wailuku provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Rivermouth_Wailuku can be found by selecting the local surf guide option on the grey menu. Our Rivermouth_Wailuku 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 (Rivermouth_Wailuku) 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 Rivermouth_Wailuku 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.

Rivermouth_Wailuku is 4 km (2 miles) from Wailuku. If you plan a vacation in Maui, look for hotels and other accommodation in Wailuku. Wailuku has rooms for a wide range of budgets as well as car hire and transport links.

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