Waialua Rivermouth Surf Break

Lat Long: 21.10° N 156.76° W

Waialua Rivermouth 48 hour detailed Surf Forecast

Issued: 7 am 22 Jul 2026 (local time)

Forecast update in  hr  min

Today's Waialua Rivermouth sea temperature is
26.5° C
0.4° 

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 (22 Jul):

  • Morning surf: Morning surf (22 Jul, local time) - 6ft (1.8m), 6s period with ENE swell.
  • Afternoon surf: Afternoon surf (22 Jul, local time) - 5ft (1.6m), 6s period with ENE swell.
  • Evening surf: Evening surf (22 Jul, local time) - 2.5ft (0.8m), 12s period with E swell.

The current surf forecast for Waialua Rivermouth at 3PM is: 1.6m 6s primary swell from a East-northeast direction and 0.7m 11s secondary swell from a East direction (forecast issued at 07:00am July 22). An open ocean swell of 0.3m 24s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (HST) & DateWave HeightWave Period
Morning (22 Jul)6ft (1.8m)6s
Afternoon (22 Jul)5ft (1.6m)6s
Evening (22 Jul)2.5ft (0.8m)12s

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


Short Range Forecast

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

Wednesday
22
Thursday
23
Friday
24
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)
1.6
E
7
1.8
E
7
1.9
ENE
6
1.7
ENE
6
0.8
E
12
0.8
E
12
1.6
ENE
6
1.6
ENE
12
1.7
ENE
12
2.1
ENE
6
2.1
ENE
6
2.1
ENE
6
2
ENE
6
2
ENE
6
2
ENE
6
2.1
ENE
6
2.2
ENE
7
2.2
ENE
7
2
ENE
7
2
ENE
7
2.2
ENE
7
2.2
ENE
7
2.2
ENE
7
Wave Graph
Metric surfscale
Energy kJ
233
284
293
219
169
177
167
755
767
331
341
331
291
300
291
331
431
444
360
372
433
472
485
Wind (km/h)
30
E
30
E
30
ENE
30
ENE
30
ENE
30
ENE
25
E
25
E
30
E
30
E
30
E
35
ENE
30
ENE
30
ENE
30
E
30
ENE
35
E
30
ENE
30
ENE
30
ENE
35
ENE
35
ENE
30
ENE
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-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
11:04AM0.59m
8:46PM0.26m
11:55AM0.62m
10:34PM0.22m
12:38PM0.65m
Low Tide
3:09AM0.05m
7:35PM0.23m
3:54AM0.05m
8:21PM0.18m
4:44AM0.04m
8:47PM0.15m
clear
clear
clear
clear
clear
clear
clear
clear
clear
rain showers
clear
clear
clear
clear
clear
part cloud
rain showers
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:56
5:56
5:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:08
7:08
7:08
 mm
1
1
Temp °C
25
25
25
25
25
25
25
24
24
25
25
25
25
25
25
24
24
25
25
25
25
25
25
Feels °C
24
23
22
23
23
23
24
22
22
22
22
22
22
23
23
22
21
22
22
22
22
22
22
  • 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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