Waialua Rivermouth Surf Break

Lat Long: 21.10° N 156.76° W

Waialua Rivermouth 48 hour detailed Surf Forecast

Issued: 1 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) - 3ft (0.9m), 7s period with NE swell.
  • Evening surf: Evening surf (15 Jul, local time) - 4ft (1.2m), 6s period with E swell.

The current surf forecast for Waialua Rivermouth at 5AM is: 1.3m 7s primary swell from a Northeast direction (forecast issued at 01:00am July 15). An open ocean swell of 0.6m 15s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (15 Jul)4ft (1.2m)7s
Afternoon (15 Jul)3ft (0.9m)7s
Evening (15 Jul)4ft (1.2m)6s

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


Short Range Forecast

Some drizzle, heaviest during Fri night. Warm (max 25°C on Wed morning, min 24°C on Wed night). Mainly fresh winds.

Wednesday
15
Thursday
16
Friday
17
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)
1.4
NE
7
1.3
NE
7
1.2
NE
7
1.1
ENE
7
0.9
NE
7
0.7
NNE
8
1.1
ENE
7
0.9
NNE
8
0.9
NNE
8
0.9
NNE
7
0.8
NNE
7
1.4
E
6
1.5
E
6
1.5
E
6
1.4
E
6
1.5
E
6
1.5
E
6
1.3
ENE
6
1.3
ENE
6
1.4
ENE
7
1.2
ENE
7
1
ENE
6
1.3
E
6
1.5
E
6
Wave Graph
Metric surfscale
Energy kJ
199
176
152
118
73
58
118
92
87
93
68
121
156
171
146
162
162
130
134
175
117
88
139
162
Wind (km/h)
15
E
15
E
15
E
15
E
20
E
25
ENE
20
ENE
25
E
20
E
20
E
25
E
30
ENE
30
ENE
35
ENE
30
ENE
30
E
25
E
25
E
25
E
25
ENE
25
ENE
25
ENE
30
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
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
11:06PM0.02m
9:09AM-0.05m
11:42PM0.02m
9:59AM0.01m
00:17AM0.02m
10:52AM0.08m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
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
 mm
Temp °C
24
24
25
25
25
25
25
25
24
24
25
25
25
25
25
24
24
24
25
25
25
25
25
25
Feels °C
24
24
25
25
25
24
25
25
24
24
25
24
23
23
24
23
23
23
25
24
24
24
24
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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