Rivermouth_Wailuku surfForecast / HAW – Maui / USA

information circle16 Day Weather and Surf, issued 7 am Wednesday 01 Apr 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
23.8° C
(Which is normal for this time of year)

Best Forecast Surf Conditions for Rivermouth_Wailuku this week:

The surf forecast for Rivermouth_Wailuku over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Apr 08) at 2AM. The primary swell is predicted to be 1.0m and 15s period with a secondary swell of 0.4m and 10s. Another secondary swell of 0.8m and 6s is also forecast. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Rivermouth_Wailuku in the next 16 days are 1.9m 11s and forecast to arrive on Wednesday (Apr 01) at 11AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 9s period and expected on Monday (Apr 06) at 5AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Wed 8th Apr)3.5ft (1.0m) 15s
Best Surf 2AM (Wed 8th Apr)3.5ft (1.0m) 15s
Most Powerful11AM (Wed 1st Apr)6ft (1.9m) 11s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Warm (max 23°C on Wed morning, min 20°C on Fri night). Wind will be generally light.

Days 3-6 Weather Summary Some drizzle, heaviest during Sat morning. Warm (max 23°C on Sat morning, min 20°C on Sat night). Wind will be generally light.

Wednesday
01
Thursday
02
Friday
03
Saturday
04
Sunday
05
Monday
06
Tuesday
07
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
Swell
Height Map
Wave Height (m) & direction (?)
1.9
NE
1.9
NE
1.8
NE
1.6
NE
1.6
NE
1.4
NE
1.4
NE
1.3
NE
1.3
NE
1.4
NE
1.3
NE
1.1
NE
1
ENE
1.2
ENE
1
NE
1.1
ENE
1.1
ENE
0.5
NW
0.6
NW
0.7
NW
1
NW
Period(s) (?)111099988887777776612161615
Wave
Graph
(?)Metric surfscale
Energy kJ (?)831665549421402270239205200199176122108127881009469167254421
Wind
(km/h)
20
NE
25
ENE
20
ENE
15
ENE
20
NE
20
ENE
20
ENE
20
NE
20
ENE
20
ENE
20
ENE
15
ENE
15
ENE
20
NE
20
ENE
15
ENE
20
ENE
15
E
15
ENE
15
NE
5
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
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
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
glass
High Tide
/ height (m)
2:33PM
0.62
2:11AM
0.55
3:06PM
0.66
2:29AM
0.51
3:40PM
0.66
2:47AM
0.46
4:14PM
0.65
3:03AM
0.41
4:52PM
0.61
3:13AM
0.37
5:38PM
0.56
3:05AM
0.34
6:44PM
0.52
Low Tide
/ height (m)
8:08AM
-0.05
8:31PM
0.08
8:27AM
-0.08
9:07PM
0.12
8:47AM
-0.10
9:44PM
0.17
9:09AM
-0.10
10:22PM
0.21
9:31AM
-0.09
11:05PM
0.26
9:54AM
-0.05
12:07AM
0.31
10:20AM
-0.02
Wednesday
01
Thursday
02
Friday
03
Saturday
04
Sunday
05
Monday
06
Tuesday
07
Sunrise6:18--6:18--6:16--6:16--6:15--6:13--6:13--
Sunset-6:39--6:39--6:40--6:40--6:40--6:42--6:42-
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
rain showers
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
Rain (mm)
---------1-----------
Temp. °C232321232321222321232322232322232322242423
Feels °C (?)202019212218202119212221222220222221232425
  • 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 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 16 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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