Waialua Rivermouth Surf Break

Lat Long: 21.10° N 156.76° W

Waialua Rivermouth 48 hour detailed Surf Forecast

Issued: 1 pm 28 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 (28 Jul):

  • Morning surf: Morning surf (28 Jul, local time) - 8ft (2.4m), 13s period with E swell.
  • Afternoon surf: Afternoon surf (28 Jul, local time) - 8ft (2.5m), 13s period with E swell.
  • Evening surf: Evening surf (28 Jul, local time) - 8ft (2.4m), 12s period with ENE swell.

The current surf forecast for Waialua Rivermouth at 10PM is: 2.4m 11s primary swell from a East-northeast direction and 1.1m 9s secondary swell from a North-northeast direction (forecast issued at 01:00pm July 28). An open ocean swell of 0.3m 14s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (HST) & DateWave HeightWave Period
Morning (28 Jul)8ft (2.4m)13s
Afternoon (28 Jul)8ft (2.5m)13s
Evening (28 Jul)8ft (2.4m)12s

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 Tue night). Winds increasing (light winds from the NNE on Tue night, fresh winds from the ENE by Fri morning).

Tue
28
Wednesday
29
Thursday
30
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
3
3
3
1
2
4
3
2
2
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
Wave
Height (m)
Direction
Period (s)
2.5
E
13
2.5
E
13
2.5
ENE
12
2.5
ENE
12
2.3
ENE
11
2.5
ENE
10
2.3
ENE
10
2.1
ENE
10
1.3
NNE
9
1.2
ENE
9
1.4
ENE
9
1.2
ENE
9
1.2
ENE
8
1.6
E
8
1.8
E
8
1.7
E
8
1.7
ENE
8
1.6
E
8
1.8
E
7
1.8
E
7
1.8
E
8
Wave Graph
Metric surfscale
Energy kJ
2133
2092
1725
1671
1234
1308
1001
804
264
243
294
227
212
343
401
337
336
292
348
343
362
Wind (km/h)
25
NE
25
NNE
25
NNE
25
NNE
25
NE
20
NE
10
NNE
10
NNE
10
NE
10
NE
15
E
10
E
15
E
15
ESE
20
E
10
E
25
E
25
ENE
30
ENE
30
E
30
E
Wind State
cross
cross-off
cross-off
cross-off
cross
cross
cross-off
cross-off
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
2:54PM0.72m
2:42AM0.27m
3:24PM0.72m
3:22AM0.29m
3:53PM0.71m
Low Tide
10:22PM0.09m
8:18AM0.00m
10:46PM0.08m
8:55AM0.02m
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:58
5:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:07
7:07
7:06
 mm
Temp °C
25
25
25
25
25
24
24
25
25
26
26
26
25
25
25
25
27
26
26
26
26
Feels °C
25
25
25
26
25
25
27
28
27
28
28
28
27
27
26
27
26
25
25
24
25
  • 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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