Waialua Rivermouth Surf Break

Lat Long: 21.10° N 156.76° W

Waialua Rivermouth 48 hour detailed Surf Forecast

Issued: 7 am 30 Jul 2026 (local time)

Forecast update in  hr  min

Today's Waialua Rivermouth sea temperature is
26.4° 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 (30 Jul):

  • Morning surf: Morning surf (30 Jul, local time) - 5ft (1.6m), 8s period with E swell.
  • Afternoon surf: Afternoon surf (30 Jul, local time) - 5ft (1.6m), 8s period with E swell.
  • Evening surf: Evening surf (30 Jul, local time) - 6ft (1.9m), 6s period with E swell.

The current surf forecast for Waialua Rivermouth at 1PM is: 1.5m 8s primary swell from a East direction and 0.5m 6s secondary swell from a North direction (forecast issued at 07:00am July 30). An open ocean swell of 0.3m 18s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (30 Jul)5ft (1.6m)8s
Afternoon (30 Jul)5ft (1.6m)8s
Evening (30 Jul)6ft (1.9m)6s

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


Short Range Forecast

Mostly dry. Warm (max 27°C on Thu morning, min 24°C on Fri night). Mainly strong winds.

Thursday
30
Friday
31
Saturday
1
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)
1.7
ENE
8
1.6
E
8
1.6
ENE
8
1.5
E
8
1.8
E
7
1.9
E
6
1.9
E
6
2
E
7
2.1
E
7
2.2
E
7
2.3
E
7
2.3
E
7
2.3
E
7
2.4
E
7
2.5
E
7
3
E
7
3
E
8
2.5
E
8
2.5
E
8
2.5
E
8
3
ENE
8
3
ENE
8
3
ENE
8
Wave Graph
Metric surfscale
Energy kJ
345
294
273
266
338
293
291
408
440
482
527
547
547
602
723
869
916
899
923
946
984
1009
1001
Wind (km/h)
20
E
25
E
25
ENE
30
ENE
30
E
30
E
30
E
30
E
30
E
30
E
35
ENE
35
ENE
35
ENE
40
ENE
40
ENE
40
ENE
40
ENE
40
E
40
ENE
35
ENE
35
ENE
35
ENE
35
ENE
Wind State
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
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
3:22AM0.29m
3:53PM0.71m
4:04AM0.33m
4:21PM0.68m
4:51AM0.36m
4:49PM0.63m
Low Tide
8:55AM0.02m
11:10PM0.07m
9:35AM0.05m
11:34PM0.06m
10:20AM0.11m
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
clear
clear
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:58
6:00
6:00
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:06
7:06
7:05
 mm
Temp °C
26
26
27
27
26
26
25
25
25
25
26
26
25
25
25
25
24
25
25
25
25
25
25
Feels °C
27
25
25
26
25
25
24
24
23
23
24
23
22
22
21
21
20
21
21
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 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Waialua Rivermouth surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


Nearest locationNearest