Rivermouth_Wailuku Surf Break

Lat Long: 20.91° N 156.49° W

Rivermouth_Wailuku 48 hour detailed Surf Forecast

Issued: 1 am 05 Aug 2026 (local time)

Forecast update in  hr  min

Today's Rivermouth_Wailuku sea temperature is
26.6° C
0.2° 

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


How big are the waves at Rivermouth_Wailuku today (05 Aug):

  • Morning surf: Morning surf (05 Aug, local time) - 3.5ft (1.1m), 10s period with ENE swell.
  • Afternoon surf: Afternoon surf (05 Aug, local time) - 3.5ft (1.1m), 9s period with ENE swell.
  • Evening surf: Evening surf (05 Aug, local time) - 3.5ft (1.0m), 9s period with ENE swell.

The current surf forecast for Rivermouth_Wailuku at 9AM is: 1.1m 10s primary swell from a East-northeast direction and 0.2m 9s secondary swell from a North-northeast direction (forecast issued at 01:00am August 05). The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (05 Aug)3.5ft (1.1m)10s
Afternoon (05 Aug)3.5ft (1.1m)9s
Evening (05 Aug)3.5ft (1.0m)9s

Table - waves today at Rivermouth_Wailuku. (Swell directed towards the surf break)


Short Range Forecast

Mostly dry. Warm (max 27°C on Fri morning, min 24°C on Thu night). Wind will be generally light.

Wednesday
5
Thursday
6
Friday
7
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 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
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.2
ENE
10
1.2
ENE
10
1.1
ENE
10
1.1
ENE
9
1.2
ENE
9
1.1
ENE
9
1.1
ENE
9
0.9
ENE
8
0.9
NE
8
1
ENE
8
0.6
ENE
8
1.2
ENE
8
1.1
ENE
8
1.1
ENE
8
1
ENE
8
1
ENE
8
0.9
ENE
4
0.8
ENE
5
0.9
ENE
7
1
ENE
7
1.2
ENE
5
1.2
ENE
5
1.2
ENE
5
1.3
ENE
6
Wave Graph
Metric surfscale
Energy kJ
281
275
210
193
232
194
176
123
100
128
51
172
135
131
107
107
28
29
81
102
59
73
78
95
Wind (km/h)
15
ENE
15
ENE
15
ENE
15
ENE
10
NE
15
NE
15
NE
10
NE
15
E
10
ENE
20
E
20
ENE
20
ENE
20
NE
20
ENE
20
ENE
20
ENE
15
ENE
15
NE
20
ENE
15
ENE
20
ENE
15
ENE
20
E
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
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
High Tide
8:17AM0.53m
4:59PM0.52m
10:35AM0.60m
11:51AM0.70m
Low Tide
00:37AM0.08m
12:37PM0.46m
1:32AM0.06m
2:47AM0.04m
part cloud
part cloud
clear
part cloud
part cloud
part cloud
clear
part cloud
clear
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:01
6:01
6:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:01
7:00
7:00
 mm
Temp °C
25
25
26
26
26
26
25
25
25
25
25
26
26
26
25
24
24
24
25
27
26
26
26
25
Feels °C
27
26
28
28
28
27
26
28
27
27
26
27
27
27
26
25
25
25
26
28
27
27
28
25
  • 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
How to use the Wavefinder 

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