Waialua Rivermouth Surf Break

Waialua Rivermouth 48 hour detailed Surf Forecast

Lat Long: 21.10° N 156.76° W

Issued: 1 am 04 Jul 2026 (local time)

Forecast update in  hr  min

Today's Waialua Rivermouth sea temperature is
26.2° C

Normal for this time of year

Waialua Rivermouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Surf Forecasts:

How big are the waves at Waialua Rivermouth today (04 Jul):

  • Morning surf: Morning surf (04 Jul, local time) - 5.5ft (1.7m), 8s period with ENE swell.
  • Afternoon surf: Afternoon surf (04 Jul, local time) - 5.5ft (1.7m), 8s period with ENE swell.
  • Evening surf: Evening surf (04 Jul, local time) - 6ft (1.8m), 8s period with ENE swell.

The current surf forecast for Waialua Rivermouth at 9AM is: 1.7m 8s primary swell from a East-northeast direction and 0.6m 12s secondary swell from a Northwest direction (forecast issued at 01:00am July 04). An open ocean swell of 0.4m 16s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (04 Jul)5.5ft (1.7m)8s
Afternoon (04 Jul)5.5ft (1.7m)8s
Evening (04 Jul)6ft (1.8m)8s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table

Short Range Forecast

Mostly dry. Warm (max 25°C on Sat morning, min 24°C on Sat morning). Mainly fresh winds.

Saturday
4
Sunday
5
Monday
6
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
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
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)
1.8
ENE
8
1.8
ENE
8
1.8
ENE
8
1.7
ENE
8
1.7
ENE
8
1.8
ENE
8
1.8
ENE
8
1.8
ENE
8
1.8
ENE
8
1.9
ENE
8
1.8
ENE
8
2
ENE
7
2.1
ENE
7
1.9
ENE
7
1.9
ENE
7
2
ENE
7
2.1
ENE
7
2.1
ENE
7
2.1
ENE
7
2.1
ENE
7
2.1
ENE
7
2.1
ENE
8
2.1
ENE
7
2.2
ENE
7
Wave Graph
Metric surfscale
Energy kJ
412
402
402
345
354
392
403
393
403
400
362
417
437
376
359
362
420
469
449
462
495
468
475
516
Wind (km/h)
25
ENE
25
ENE
30
ENE
30
ENE
30
ENE
30
ENE
30
ENE
30
ENE
25
E
30
E
30
ENE
35
ENE
35
ENE
35
ENE
35
ENE
30
ENE
30
ENE
30
ENE
30
ENE
35
ENE
35
ENE
35
ENE
35
ENE
30
E
Wind State
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
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
6:16AM0.27m
6:00PM0.61m
7:27AM0.32m
6:34PM0.54m
8:41AM0.40m
7:12PM0.47m
Low Tide
1:08AM0.05m
11:05AM0.12m
1:38AM0.04m
12:11PM0.19m
2:08AM0.02m
1:45PM0.25m
part cloud
clear
part cloud
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
5:50
—
—
—
—
—
—
—
5:50
—
—
—
—
—
—
—
5:50
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
7:12
—
—
—
—
—
—
—
7:12
—
—
—
—
—
—
—
7:12
—
—
 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Temp °C
24
24
24
25
25
25
24
24
24
24
24
25
25
25
25
24
24
24
24
25
25
25
24
24
Feels °C
22
22
22
23
22
23
22
22
22
22
21
22
22
22
22
21
21
21
21
21
21
21
20
21
Swell 1
Height (m)
Direction
Period (s)
0.5
NW
13
0.6
NW
13
0.6
NW
12
0.6
NW
12
0.6
NW
12
0.6
NW
12
0.6
NW
12
0.5
NW
12
0.5
NW
12
0.4
NW
11
0.4
NW
11
0.4
NW
11
0.4
SSW
18
0.5
SW
18
0.5
SW
17
0.4
SSW
16
0.4
SSW
16
0.4
SSW
16
0.4
SSW
16
0.4
SSW
16
0.4
SSW
16
0.4
SSW
15
0.4
SSW
15
0.4
SSW
15
Energy kJ
78
103
98
93
92
90
87
67
66
45
43
43
121
150
140
103
102
102
100
99
97
92
87
85
Swell 2
Height (m)
Direction
Period (s)
0.4
SW
16
0.4
SW
16
0.4
SSW
16
0.4
SSW
16
0.4
SSW
16
0.4
SW
15
0.4
SW
15
0.4
SW
19
0.4
SW
19
0.4
SSW
18
0.4
SSW
18
0.4
SSW
18
0.4
NW
11
0.4
NW
11
0.4
NW
11
0.3
NW
11
0.3
NW
10
0.3
NW
10
0.3
NW
10
0.3
NW
10
0.2
NNW
10
0.2
ESE
10
0.1
NW
10
0.1
NW
10
Energy kJ
66
65
99
98
95
58
56
96
93
127
124
123
42
42
41
18
17
16
16
16
10
9
4
4
Swell 3
Height (m)
Direction
Period (s)
0.2
SSW
12
0.2
SSW
12
0.3
SSW
21
0.3
SSW
21
0.3
SSW
20
0.4
SW
20
0.4
SW
20
0.4
SW
15
0.4
SW
15
0.4
SW
14
0.4
SW
14
0.4
SW
14
0.4
SW
14
0.2
ESE
11
0.1
SE
10
0.1
SW
11
0.1
SW
13
0.2
SSW
13
0.1
SW
13
0.2
ESE
10
0.2
ESE
10
0.1
NW
10
0.1
W
10
—
Energy kJ
15
15
90
88
79
98
97
55
54
54
54
54
52
11
4
5
6
17
7
9
9
4
2
—
Wind waves
Height (m)
Direction
Period (s)
1.8
ENE
8
1.8
ENE
8
1.8
ENE
8
1.7
ENE
8
1.7
ENE
8
1.8
ENE
8
1.8
ENE
8
1.8
ENE
8
1.8
ENE
8
1.9
ENE
8
1.8
ENE
8
2
ENE
7
2.1
ENE
7
1.9
ENE
7
1.9
ENE
7
2
ENE
7
2.1
ENE
7
2.1
ENE
7
2.1
ENE
7
2.1
ENE
7
2.1
ENE
7
2.1
ENE
8
2.1
ENE
7
2.2
ENE
7
Energy kJ
412
402
402
345
354
392
403
393
403
400
362
417
437
376
359
362
420
469
449
462
495
468
475
516
Nearest Offshore or Glassy
Mala wharf
HAW - Maui
Mala wharf
HAW - Maui
Mala wharf
HAW - Maui
Mala wharf
HAW - Maui
Mala wharf
HAW - Maui
Mala wharf
HAW - Maui
Mala wharf
HAW - Maui
Mala wharf
HAW - Maui
Mala wharf
HAW - Maui
Mala wharf
HAW - Maui
Mala wharf
HAW - Maui
Mala wharf
HAW - Maui
Mala wharf
HAW - Maui
Mala wharf
HAW - Maui
Mala wharf
HAW - Maui
Mala wharf
HAW - Maui
Mala wharf
HAW - Maui
Mala wharf
HAW - Maui
Mala wharf
HAW - Maui
Mala wharf
HAW - Maui
Lahaina Breakwall/Harbour
HAW - Maui
Lahaina Breakwall/Harbour
HAW - Maui
Mala wharf
HAW - Maui
Mala wharf
HAW - Maui
Rating
(10 max)
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
25
25
23
23
Best forecast wave conditions in Molokai
Rating
(10 max)
Best forecast wave conditions in United States
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HAW - Big Island
Magics
HAW - Big Island
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HAW - Big Island
The Wedge
CAL - Orange County
Super Tubes
CAL - Ventura
Mouse Rock
CAL - San Luis Obispo
Mouse Rock
CAL - San Luis Obispo
Magics
HAW - Big Island
Magics
HAW - Big Island
Magics
HAW - Big Island
Magics
HAW - Big Island
Ranches
HAW - Oahu
Ranches
HAW - Oahu
Ranches
HAW - Oahu
Magics
HAW - Big Island
Magics
HAW - Big Island
Super Tubes
CAL - Ventura
The Wedge
CAL - Orange County
Waiaha Rivermouth / Honls
HAW - Big Island
Super Tubes
CAL - Ventura
Rincon - Rivermouth
CAL - Ventura
Fullers
CAL - Monterey
Super Tubes
CAL - Ventura
Super Tubes
CAL - Ventura
Rating
(10 max)
3
3
3
2
2
2
2
3
3
3
3
2
2
2
3
3
2
2
2
2
2
4
2
3
Header Global
Cyclops
Australia
Cyclops
Australia
Cat Bay (Shelly Beach)
Australia
Lebu
Chile
Lebu
Chile
Trial Harbour
Australia
Trial Harbour
Australia
Trial Harbour
Australia
Trial Harbour
Australia
Easter Reef
Australia
Blaketown Wedge
New Zealand
Blaketown Wedge
New Zealand
Desperation Point
New Zealand
Arawhata
New Zealand
Anawhata Road (Oaonui)
New Zealand
Anawhata Road (Oaonui)
New Zealand
Desperation Point
New Zealand
Cobblestones
Australia
Cobblestones
Australia
Cobblestones
Australia
Cobblestones
Australia
Cobblestones
Australia
Trial Harbour
Australia
Trial Harbour
Australia
Rating
(10 max)
5
5
5
5
5
9
9
9
8
7
5
5
6
5
5
5
5
9
8
8
8
7
5
5
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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