Rivermouth_Wailuku Surf Break

Lat Long: 20.91° N 156.49° W

Issued: 7 pm 20 Jun 2026 (local time)

Forecast update in  hr  min

Today's Rivermouth_Wailuku sea temperature is
26.1° C

Slightly warmer than usual

Rivermouth_Wailuku surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Rivermouth_Wailuku surf forecast from 21 Jun 2026:

  • Most powerful swell: Saturday 27 Jun, 5PM (local time) - 6.5ft (2.0m), 7s period, ENE swell with 428 kJ wave energy.

Best Forecast Surf Conditions for Rivermouth_Wailuku this week:

The most powerful waves expected at Rivermouth_Wailuku in the next 16 days are 2.0m 7s and forecast to arrive on Saturday (Jun 27) 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 0.2m 18s period and expected on Sunday (Jun 28) at 2AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 5PM (Sat 27th Jun)6.5ft (2.0m) 7s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 3mm), mostly falling on Tue afternoon. Warm (max 26°C on Sun morning, min 23°C on Mon night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Warm (max 26°C on Wed morning, min 24°C on Tue night). Wind will be generally light.

Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Sat
27
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
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.4
NE
8
0.6
NE
8
1
ENE
4
0.6
NE
11
0.6
NE
11
1.2
ENE
10
0.6
NE
10
1.2
ENE
7
1.4
ENE
7
1.2
ENE
7
1.2
ENE
6
1.3
ENE
6
1.5
ENE
7
1.7
ENE
7
1.5
ENE
7
1.1
NE
8
1.7
ENE
7
1.4
E
7
1.7
ENE
7
1.7
ENE
7
2
ENE
7
Wave Graph
Metric surfscale
Energy kJ
17
49
30
75
72
288
61
127
173
131
113
136
204
302
229
146
327
215
286
294
428
Wind (km/h)
15
ENE
10
NE
20
NE
15
E
15
ENE
20
ENE
15
ENE
10
NE
20
ENE
20
ENE
20
ENE
20
ENE
20
ENE
20
ENE
25
ENE
20
E
20
ENE
25
ENE
20
ENE
20
ENE
25
ENE
Wind State
cross-on
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-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
8:53AM0.37m
7:39PM0.57m
10:44AM0.45m
8:06PM0.50m
11:51AM0.55m
8:34PM0.45m
12:34PM0.62m
9:14PM0.40m
1:08PM0.69m
10:15PM0.37m
1:40PM0.73m
11:17PM0.36m
2:10PM0.76m
Low Tide
2:40AM0.15m
1:03PM0.30m
3:18AM0.12m
2:57PM0.39m
3:53AM0.08m
5:19PM0.41m
4:27AM0.04m
7:07PM0.39m
5:02AM-0.00m
8:02PM0.36m
5:39AM-0.04m
8:32PM0.33m
6:16AM-0.06m
clear
clear
clear
clear
clear
clear
clear
clear
thunderstorm
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:45
5:45
5:46
5:46
5:46
5:46
5:47
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:08
7:08
7:09
7:09
7:09
7:09
7:09
7:09
 mm
3
Temp °C
25
26
26
24
26
26
24
25
25
25
26
26
24
26
26
25
26
26
25
26
26
Feels °C
27
28
28
24
27
27
23
27
27
26
26
26
23
26
25
25
26
25
24
26
26
Swell 1
Height (m)
Direction
Period (s)
0.4
ESE
7
0.4
ESE
7
0.3
NW
7
0.6
NE
11
0.6
NE
11
0.3
NNW
7
0.6
NE
10
0.4
NNW
7
0.6
NE
9
0.5
NE
10
0.5
NE
9
0.4
N
8
0.5
NE
8
0.2
WNW
12
0.4
NE
8
1.1
NE
8
0.2
WNW
10
0.9
NNE
8
0.1
NW
10
0.1
NW
9
0.1
SW
16
Energy kJ
17
15
9
75
72
9
61
18
54
44
40
21
32
14
18
140
11
88
4
3
10
Swell 2
Height (m)
Direction
Period (s)
0.4
NE
8
0.3
NW
7
0.2
NNW
7
0.3
NNW
7
0.3
NNW
7
0.2
WNW
11
0.4
ESE
6
0.2
WNW
10
0.4
NNW
7
0.5
N
8
0.4
N
8
0.1
SW
18
0.3
N
8
0.1
NW
9
0.2
WNW
11
0.3
NW
11
0.1
SW
18
0.2
WNW
10
0.1
SW
16
0.1
SW
16
0.1
SW
20
Energy kJ
17
9
5
10
9
12
13
10
18
31
21
12
12
3
13
19
12
10
10
10
15
Swell 3
Height (m)
Direction
Period (s)
0.3
NW
8
0.2
NNW
8
0.1
NE
12
0.2
WSW
16
0.1
SW
16
0.1
SW
15
0.3
NNW
6
0.1
N
10
0.3
NW
10
0.2
WNW
9
0.1
NW
9
0.1
NW
9
0.1
NW
10
0.1
SW
16
0.1
SW
16
0.1
W
18
0.1
S
14
0.1
SW
18
0.1
S
13
0.1
SW
20
0.1
NW
12
Energy kJ
10
6
6
26
10
9
8
2
15
8
3
3
4
10
10
6
4
12
3
15
6
Wind waves
Height (m)
Direction
Period (s)
0.5
ENE
4
0.6
NE
8
1
ENE
4
0.6
E
4
0.8
ENE
5
1.2
ENE
10
0.7
ENE
5
1.2
ENE
7
1.4
ENE
7
1.2
ENE
7
1.2
ENE
6
1.3
ENE
6
1.5
ENE
7
1.7
ENE
7
1.5
ENE
7
1.2
E
7
1.7
ENE
7
1.4
E
7
1.7
ENE
7
1.7
ENE
7
2
ENE
7
Energy kJ
9
49
30
9
39
288
19
127
173
131
113
136
204
302
229
146
327
215
286
294
428
Nearest Offshore or Glassy
Rating
(10 max)
1
1
2
1
1
1
1
1
1
2
2
2
2
2
2
1
1
1
1
2
2
Distance (km)
14
12
20
5
5
14
5
5
14
14
14
20
14
14
20
14
14
20
14
14
14
Best forecast wave conditions in Maui
Rating
(10 max)
1
1
2
2
1
1
1
1
1
2
2
2
2
2
2
1
1
1
1
2
2
Best forecast wave conditions in United States
Rating
(10 max)
3
2
2
3
1
2
2
1
1
3
2
2
3
2
3
3
1
2
4
2
2
Header Global
Rating
(10 max)
7
4
7
5
6
6
5
5
6
7
8
6
5
5
5
5
5
5
5
5
9
  • 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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