Waialua Rivermouth Surf Break

Lat Long: 21.10° N 156.76° W

Waialua Rivermouth 48 hour detailed Surf Forecast

Issued: 7 am 15 Jul 2026 (local time)

Forecast update in  hr  min

Today's Waialua Rivermouth sea temperature is
26.2° C
0.2° 

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


How big are the waves at Waialua Rivermouth today (15 Jul):

  • Morning surf: Morning surf (15 Jul, local time) - 4ft (1.2m), 7s period with NE swell.
  • Afternoon surf: Afternoon surf (15 Jul, local time) - 3.5ft (1.1m), 7s period with ENE swell.
  • Evening surf: Evening surf (15 Jul, local time) - 4ft (1.2m), 6s period with ENE swell.

The current surf forecast for Waialua Rivermouth at 4PM is: 0.7m 8s primary swell from a North-northeast direction and 0.7m 7s secondary swell from a East-northeast direction, 0.8m 4s secondary swell from a East direction (forecast issued at 07:00am July 15). The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (15 Jul)4ft (1.2m)7s
Afternoon (15 Jul)3.5ft (1.1m)7s
Evening (15 Jul)4ft (1.2m)6s

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


Short Range Forecast

Mostly dry. Warm (max 25°C on Wed morning, min 24°C on Wed morning). Mainly fresh winds.

Wednesday
15
Thursday
16
Friday
17
Sat
18
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
2 AM
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
Height Map
Wave
Height (m)
Direction
Period (s)
1.3
NE
7
1.2
NE
7
1
ENE
7
1.1
ENE
7
0.7
NNE
8
1.2
ENE
7
0.9
NNE
8
0.9
NNE
7
0.9
NNE
7
0.8
NNE
7
1.2
E
5
1.4
E
6
1.7
ENE
6
1.7
ENE
6
1.6
ENE
6
1.5
E
6
1.3
ENE
6
1.5
ENE
6
1.5
ENE
7
1.4
ENE
7
1.1
ENE
6
1.3
E
7
1.4
E
6
1.4
E
6
Wave Graph
Metric surfscale
Energy kJ
176
152
99
124
58
139
85
93
86
61
74
123
205
212
198
171
130
192
186
170
108
148
141
132
Wind (km/h)
15
E
15
E
20
E
20
E
20
E
20
ENE
20
E
20
E
20
E
20
E
30
ENE
30
ENE
30
ENE
30
ENE
30
E
25
E
25
ENE
25
E
25
ENE
25
ENE
25
ENE
25
ENE
25
ENE
25
ENE
Wind State
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
cross-on
cross-on
cross-on
cross-on
High Tide
3:36AM0.27m
4:15PM0.81m
4:31AM0.30m
4:54PM0.75m
5:29AM0.34m
5:31PM0.67m
Low Tide
9:09AM-0.05m
11:42PM0.02m
9:59AM0.01m
00:17AM0.02m
10:52AM0.08m
00:50AM0.03m
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:54
5:54
5:54
5:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:10
7:10
7:10
7:10
 mm
Temp °C
24
24
25
25
25
25
25
25
25
25
25
25
25
25
24
25
25
25
25
25
25
25
24
24
Feels °C
25
24
25
25
25
25
25
25
25
25
24
23
23
24
23
25
24
25
24
23
24
24
23
23
  • 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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