Waialua Rivermouth Surf Break

Lat Long: 21.10° N 156.76° W

Waialua Rivermouth 48 hour detailed Surf Forecast

Issued: 7 am 12 Jul 2026 (local time)

Forecast update in  hr  min

Today's Waialua Rivermouth sea temperature is
26.2° 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 (12 Jul):

  • Morning surf: Morning surf (12 Jul, local time) - 7ft (2.2m), 7s period with ENE swell.
  • Afternoon surf: Afternoon surf (12 Jul, local time) - 7ft (2.2m), 8s period with ENE swell.
  • Evening surf: Evening surf (12 Jul, local time) - 7ft (2.2m), 8s period with ENE swell.

The current surf forecast for Waialua Rivermouth at 2PM is: 2.2m 8s primary swell from a East-northeast direction (forecast issued at 07:00am July 12). An open ocean swell of 0.5m 16s is not directed at the surf break, a second open ocean swell of 0.3m 12s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (12 Jul)7ft (2.2m)7s
Afternoon (12 Jul)7ft (2.2m)8s
Evening (12 Jul)7ft (2.2m)8s

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


Short Range Forecast

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

Sunday
12
Monday
13
Tuesday
14
Wed
15
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)
2.1
ENE
7
2.2
ENE
7
2.2
ENE
7
2.2
ENE
8
2.2
ENE
8
2.2
ENE
8
2.2
ENE
8
2.2
ENE
8
2.1
ENE
8
1.9
ENE
8
2
ENE
8
1.8
ENE
8
1.7
ENE
8
1.7
ENE
7
1.7
ENE
7
1.2
E
8
1.1
E
8
1.6
NE
8
1.3
NE
7
1.5
ENE
8
1.3
NE
8
1.5
ENE
8
1.6
ENE
8
1.5
ENE
7
Wave Graph
Metric surfscale
Energy kJ
469
498
542
572
587
568
554
572
501
422
450
388
345
319
297
172
144
276
184
264
200
257
287
250
Wind (km/h)
30
ENE
35
E
30
ENE
30
ENE
35
ENE
35
ENE
30
ENE
35
ENE
30
ENE
30
ENE
30
ENE
30
ENE
25
ENE
25
ENE
25
ENE
20
ENE
20
ENE
20
ENE
20
ENE
25
ENE
20
ENE
20
E
25
E
20
E
Wind State
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross
cross-on
cross-on
cross-on
cross
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
2:06PM0.84m
1:49AM0.22m
2:51PM0.85m
2:43AM0.24m
3:34PM0.84m
Low Tide
6:36AM-0.08m
9:50PM0.05m
7:28AM-0.09m
10:29PM0.03m
8:19AM-0.08m
11:06PM0.02m
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
rain showers
clear
clear
clear
rain showers
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:52
5:52
5:52
5:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:12
7:12
7:10
7:10
 mm
1
1
Temp °C
24
24
25
25
25
24
24
24
24
24
25
25
24
24
24
24
24
24
24
25
25
24
24
24
Feels °C
22
22
23
23
23
21
21
21
21
21
23
23
22
23
23
23
24
24
24
24
24
23
23
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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