Waialua Rivermouth Surf Break

Lat Long: 21.10° N 156.76° W

Waialua Rivermouth 48 hour detailed Surf Forecast

Issued: 7 pm 13 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 (14 Jul):

  • Morning surf: Morning surf (14 Jul, local time) - 3.5ft (1.0m), 8s period with E swell.
  • Afternoon surf: Afternoon surf (14 Jul, local time) - 5ft (1.5m), 8s period with NE swell.
  • Evening surf: Evening surf (14 Jul, local time) - 5ft (1.5m), 8s period with NE swell.

The current surf forecast for Waialua Rivermouth at 3AM is: 1.5m 8s primary swell from a East-northeast direction (forecast issued at 07:00pm July 13). An open ocean swell of 0.5m 14s is not directed at the surf break, a second open ocean swell of 0.4m 18s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (14 Jul)3.5ft (1.0m)8s
Afternoon (14 Jul)5ft (1.5m)8s
Evening (14 Jul)5ft (1.5m)8s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Tue night. Warm (max 25°C on Mon night, min 24°C on Mon night). Mainly fresh winds.

Mon
13
Tuesday
14
Wednesday
15
Thu
16
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
5 AM
8 AM
11 AM
2 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)
1.6
ENE
8
1.3
E
8
1.6
ENE
8
1.5
ENE
8
1.1
E
8
1
E
8
1.1
NNE
7
1.5
NE
8
1.3
NE
8
1.4
NE
8
1.4
NE
8
1.4
NE
7
1.4
NE
7
1.3
NE
7
1.1
ENE
7
1.2
ENE
7
1.3
ENE
7
1.2
ENE
7
0.9
NNE
8
0.9
NNE
8
0.8
NNE
8
1.3
E
6
1.4
E
6
1.4
ENE
6
Wave Graph
Metric surfscale
Energy kJ
311
212
288
256
148
124
131
248
200
223
229
223
193
167
115
132
141
135
85
85
77
112
132
145
Wind (km/h)
25
ENE
25
ENE
25
ENE
20
E
20
ENE
20
ENE
20
ENE
25
ENE
20
ENE
25
ENE
20
E
20
E
20
E
20
E
20
ENE
25
E
25
ENE
25
ENE
25
E
20
E
20
ENE
25
E
25
ENE
30
ENE
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
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
High Tide
2:51PM0.85m
2:43AM0.24m
3:34PM0.84m
3:36AM0.27m
4:15PM0.81m
4:31AM0.30m
Low Tide
10:29PM0.03m
8:19AM-0.08m
11:06PM0.02m
9:09AM-0.05m
11:42PM0.02m
9:59AM0.01m
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
rain showers
clear
clear
clear
part cloud
rain showers
clear
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:52
5:54
5:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:12
7:10
7:10
7:10
 mm
1
1
Temp °C
25
25
24
24
24
24
24
25
25
24
24
24
24
24
25
25
25
25
25
25
24
25
25
25
Feels °C
24
24
23
23
24
24
23
24
24
23
24
24
24
24
25
24
24
25
25
25
24
25
24
24
  • 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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