Waialua Rivermouth Surf Break

Lat Long: 21.10° N 156.76° W

Waialua Rivermouth 48 hour detailed Surf Forecast

Issued: 7 am 27 Jul 2026 (local time)

Forecast update in  hr  min

Today's Waialua Rivermouth sea temperature is
26.5° C
0.3° 

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 (27 Jul):

  • Morning surf: Morning surf (27 Jul, local time) - 4.5ft (1.4m), 14s period with E swell.
  • Afternoon surf: Afternoon surf (27 Jul, local time) - 5ft (1.6m), 14s period with E swell.
  • Evening surf: Evening surf (27 Jul, local time) - 6ft (1.9m), 14s period with E swell.

The current surf forecast for Waialua Rivermouth at 11AM is: 1.5m 14s primary swell from a East direction and 1.6m 7s secondary swell from a Northeast direction (forecast issued at 07:00am July 27). An open ocean swell of 0.4m 15s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (HST) & DateWave HeightWave Period
Morning (27 Jul)4.5ft (1.4m)14s
Afternoon (27 Jul)5ft (1.6m)14s
Evening (27 Jul)6ft (1.9m)14s

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


Short Range Forecast

Light rain (total 9mm), mostly falling on Mon night. Warm (max 27°C on Wed afternoon, min 24°C on Mon morning). Winds decreasing (fresh winds from the NE on Mon night, light winds from the NW by Tue night).

Monday
27
Tuesday
28
Wednesday
29
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)
1
2
2
2
2
1
1
1
2
2
2
2
3
3
4
4
2
1
1
2
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
E
14
1.4
E
14
1.5
E
14
1.5
E
13
1.8
E
14
1.9
E
14
2
E
13
2.1
E
13
2.2
E
13
2.3
E
13
2.5
E
13
2.5
E
13
3
ENE
12
2.5
ENE
12
3
ENE
11
2.5
NE
10
2.3
NE
10
2
ENE
9
1.9
ENE
9
1.9
ENE
9
1.8
ENE
8
1.7
ENE
8
1.9
E
8
Wave Graph
Metric surfscale
Energy kJ
786
753
840
792
1263
1332
1412
1510
1667
1821
2133
2223
2160
1778
1766
1299
978
695
553
524
439
392
464
Wind (km/h)
25
ENE
25
ENE
25
NE
25
NE
20
NE
25
NE
30
NE
25
ENE
25
NE
25
NE
25
NNE
25
NNE
25
NNE
20
N
10
N
10
NW
10
SSW
15
SSE
10
SSE
10
ESE
15
ESE
20
E
30
E
Wind State
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross
cross-on
on
on
cross-on
cross-on
cross-on
High Tide
2:24PM0.71m
2:05AM0.25m
2:54PM0.72m
2:42AM0.27m
3:24PM0.72m
Low Tide
7:03AM0.01m
9:58PM0.09m
7:41AM-0.00m
10:22PM0.09m
8:18AM0.00m
10:46PM0.08m
part cloud
clear
clear
clear
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
clear
clear
clear
clear
clear
thunderstorm
clear
clear
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:58
5:58
5:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:07
7:07
7:07
 mm
1
1
1
1
1
1
1
1
1
Temp °C
24
24
25
25
26
25
25
25
25
25
25
25
25
25
25
25
25
26
26
27
26
26
25
Feels °C
23
23
25
25
27
25
25
25
26
25
25
25
26
26
28
29
28
29
29
30
28
28
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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