Waialua Rivermouth Surf Break

Lat Long: 21.10° N 156.76° W

Waialua Rivermouth 48 hour detailed Surf Forecast

Issued: 7 am 07 Aug 2026 (local time)

Forecast update in  hr  min

Today's Waialua Rivermouth sea temperature is
26.6° C
0.1° 

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 (07 Aug):

  • Morning surf: Morning surf (07 Aug, local time) - 2.5ft (0.8m), 5s period with ENE swell.
  • Afternoon surf: Afternoon surf (07 Aug, local time) - 3.5ft (1.0m), 8s period with ENE swell.
  • Evening surf: Evening surf (07 Aug, local time) - 5ft (1.5m), 5s period with E swell.

The current surf forecast for Waialua Rivermouth at 4PM is: 1.2m 5s primary swell from a East-northeast direction and 0.3m 7s secondary swell from a North-northwest direction (forecast issued at 07:00am August 07). An open ocean swell of 0.4m 14s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (HST) & DateWave HeightWave Period
Morning (07 Aug)2.5ft (0.8m)5s
Afternoon (07 Aug)3.5ft (1.0m)8s
Evening (07 Aug)5ft (1.5m)5s

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


Short Range Forecast

Light rain (total 3mm), mostly falling on Sun afternoon. Warm (max 26°C on Fri morning, min 25°C on Fri morning). Mainly fresh winds.

Friday
7
Saturday
8
Sunday
9
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
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)
0.9
E
5
0.8
ENE
5
0.6
ENE
7
1
ENE
8
1.2
ENE
5
1.4
ENE
5
1.7
E
6
1.8
E
6
1.7
E
6
1.6
ENE
6
1.6
ENE
6
1.7
ENE
6
1.7
ENE
6
1.7
E
6
1.8
E
6
1.9
E
6
1.8
ENE
7
1.7
E
7
1.6
E
7
1.5
E
8
1.6
ENE
8
1.8
ENE
8
1.9
ENE
8
Wave Graph
Metric surfscale
Energy kJ
36
29
35
137
61
109
187
235
217
179
179
201
208
232
267
307
308
303
285
265
350
375
461
Wind (km/h)
20
E
20
ENE
20
NE
25
ENE
30
ENE
25
E
30
E
30
E
30
ENE
25
ENE
30
ENE
25
ENE
30
ENE
30
ENE
30
ENE
30
E
30
E
30
ENE
30
ENE
30
ENE
30
ENE
30
ENE
30
ENE
Wind State
cross-on
cross
cross
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
cross
cross
cross-on
cross-on
High Tide
11:21AM0.70m
10:32PM0.22m
12:17PM0.76m
11:56PM0.23m
1:06PM0.80m
Low Tide
3:22AM0.02m
7:35PM0.16m
4:29AM0.00m
8:13PM0.11m
5:35AM-0.02m
8:47PM0.08m
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
part cloud
clear
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:01
6:03
6:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:01
7:00
7:00
 mm
1
1
1
Temp °C
25
25
26
26
25
25
25
25
25
25
26
26
26
25
25
25
25
25
25
26
26
25
25
Feels °C
25
25
26
26
24
25
24
24
24
24
25
25
25
23
24
24
24
24
24
26
26
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
How to use the Wavefinder 

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