Rivermouth_Wailuku Surf Break

Lat Long: 20.91° N 156.49° W

Rivermouth_Wailuku Surf Forecast and Surf Report

Issued: 1 am 29 Jul 2026 (local time)

Forecast update in  hr  min

Today's Rivermouth_Wailuku sea temperature is
26.3° C
0.1° 

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 29 Jul 2026:

  • Best quality surf: Wednesday 29 Jul, 11AM (local time) - 5.5ft (1.7m), 9s period, NE swell with glassy winds.
  • Most powerful swell: Saturday 1 Aug, 5PM (local time) - 7.5ft (2.3m), 8s period, ENE swell with 737 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 29 Jul, 11AM (local time) - 5.5ft (1.7m), 9s period with NE swell.

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 (Jul 29) at 11AM. The primary swell is predicted to be 1.7m and 9s period. 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 2.3m 8s and forecast to arrive on Saturday (Aug 01) 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 0.4m 7s period and expected on Tuesday (Aug 04) at 11PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)11AM (Wed 29th Jul)5.5ft (1.7m) 9s
Best Surf11AM (Wed 29th Jul)5.5ft (1.7m) 9s
Most Powerful 5PM (Sat 1st Aug)7.5ft (2.3m) 8s

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


Short Range Forecast

Mostly dry. Warm (max 28°C on Fri afternoon, min 24°C on Fri night). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Warm (max 27°C on Sat afternoon, min 24°C on Sun night). Mainly fresh winds.

Wednesday
29
Thursday
30
Friday
31
Saturday
1
Sunday
2
Monday
3
Tuesday
4
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
1
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.7
NE
9
1.5
NE
8
1.4
ENE
8
1.3
ENE
8
1.4
ENE
8
1.6
E
8
1.7
E
8
1.8
ENE
8
2
ENE
8
2.2
ENE
8
2.3
ENE
8
2.1
ENE
8
2
ENE
8
1.8
ENE
8
1.7
ENE
8
1.5
ENE
8
1.5
ENE
8
1.6
ENE
12
1.5
ENE
11
1.5
ENE
11
1.3
ENE
10
Wave Graph
Metric surfscale
Energy kJ
470
311
251
202
226
294
355
416
497
629
737
621
567
468
412
321
321
694
550
521
318
Wind (km/h)
5
NNE
10
E
15
E
20
ENE
25
ENE
20
E
25
ENE
30
ENE
25
ENE
25
E
30
ENE
25
ENE
25
ENE
25
NE
20
ENE
15
ENE
20
NE
15
ENE
10
ENE
10
NE
15
E
Wind State
glassy
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
cross-on
High Tide
3:17PM0.83m
2:19AM0.45m
3:42PM0.83m
2:58AM0.47m
4:04PM0.80m
3:39AM0.48m
4:25PM0.76m
4:25AM0.49m
4:43PM0.71m
5:20AM0.50m
4:58PM0.65m
6:31AM0.50m
5:07PM0.58m
Low Tide
9:46PM0.23m
8:28AM-0.05m
10:10PM0.21m
8:59AM-0.02m
10:34PM0.19m
9:31AM0.05m
11:00PM0.16m
10:03AM0.14m
11:27PM0.13m
10:39AM0.24m
11:58PM0.11m
11:22AM0.35m
00:37AM0.08m
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:58
5:58
5:58
5:58
6:00
6:00
6:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:05
7:05
7:04
7:04
7:02
7:02
7:01
 mm
Temp °C
27
27
26
27
27
26
27
28
25
26
27
25
27
26
25
26
26
25
27
27
26
Feels °C
31
30
29
28
27
27
27
27
24
25
26
24
26
26
24
27
26
25
30
29
28
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
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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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