Waialua Rivermouth surfForecast / HAW – Molokai / USA

information circle48hr Weather and Surf, issued 1 pm Tuesday 12 May 2026 HST
Forecast update in hr  min  s Forecast update imminent
Waialua Rivermouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Waialua Rivermouth sea temperature is
25.4° C
(Which is slightly warmer than usual)

How big are the waves at Waialua Rivermouth today?

The current surf forecast for Waialua Rivermouth at 4PM is: 1.9m 6s primary swell from a East direction and 0.9m 10s secondary swell from a North-northwest direction (forecast issued at 01:00pm May 12). An open ocean swell of 0.2m 16s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (12 May)5.5ft (1.7m)6s
Afternoon (12 May)6ft (1.9m)6s
Evening (12 May)6.5ft (2.0m)6s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 24°C on Tue afternoon, min 23°C on Tue night). Mainly fresh winds.

Tue
12
Wednesday
13
Thursday
14
Fri
15
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
5 AM
8 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 MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
2
ENE
6
1.9
ENE
6
1.9
E
6
2
E
6
1.9
E
6
2
E
6
1.9
E
6
1.9
E
6
1.8
E
6
2.1
E
6
2.1
E
7
2.1
E
7
2
E
7
1.9
E
7
2
E
7
0.9
NW
16
1
NW
15
1.1
NW
15
1.3
NW
15
1.4
NW
14
1.4
NW
14
1.4
NW
14
1.4
NW
13
1.3
NW
13
Wave Graph
Metric surfscale
Energy kJ
282
284
288
308
275
328
293
284
267
373
384
396
416
387
393
394
441
558
685
742
691
661
642
552
Wind (km/h)
35
E
35
ENE
35
ENE
35
ENE
30
E
30
E
30
E
30
E
30
ENE
35
ENE
35
ENE
30
E
30
ENE
30
E
30
E
30
E
25
E
25
ENE
25
ENE
30
ENE
30
E
25
E
25
E
25
E
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
cross-on
High Tide
12:31PM0.48m
11:49PM0.40m
1:09PM0.59m
00:34AM0.34m
1:49PM0.67m
1:20AM0.29m
Low Tide
6:44PM0.12m
6:26AM-0.07m
7:50PM0.09m
6:54AM-0.10m
8:50PM0.06m
7:25AM-0.12m
clear
part cloud
clear
clear
clear
part cloud
clear
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:50
5:48
5:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:55
6:55
6:57
6:57
Temp °C
24
24
24
23
23
23
23
23
24
24
24
23
23
23
23
24
24
24
24
24
23
23
24
24
20
20
21
20
20
20
20
20
21
21
21
20
21
21
20
21
22
22
22
22
21
21
23
22
Swell 1
Height (m)
Direction
Period (s)
0.7
NNW
11
0.7
NNW
10
1
NNW
10
1
NNW
10
0.9
NNW
10
0.9
NNW
10
0.8
NNW
10
0.8
NNW
10
0.8
NNW
10
0.7
NNW
9
0.5
NW
9
0.5
NW
9
0.5
N
9
0.6
NW
16
0.7
NW
16
0.9
NW
16
1
NW
15
1.1
NW
15
1.3
NW
15
1.4
NW
14
1.4
NW
14
1.4
NW
14
1.4
NW
13
1.3
NW
13
Energy kJ
126
112
212
190
154
154
122
120
103
73
41
40
38
219
271
376
441
558
685
742
691
661
642
552
Swell 2
Height (m)
Direction
Period (s)
0.7
NW
11
0.6
NW
11
0.2
SSW
16
0.2
SSW
16
0.2
SSW
16
0.2
N
12
0.2
SSW
16
0.1
SW
16
0.2
SSW
15
0.3
N
10
0.4
N
9
0.4
N
9
0.4
NW
9
0.4
N
8
0.4
NW
9
0.5
N
8
0.5
N
8
0.4
NW
11
0.4
N
8
0.4
N
8
0.4
N
8
0.3
N
8
0.3
N
8
0.3
SW
16
Energy kJ
110
72
25
25
24
12
24
10
23
17
26
26
29
22
28
35
35
42
22
22
22
12
12
41
Swell 3
Height (m)
Direction
Period (s)
0.2
SSW
16
0.2
SSW
16
0.2
N
13
0.2
N
13
0.2
N
12
0.1
SW
16
0.2
N
12
0.2
S
14
0.1
S
14
0.2
SSW
15
0.2
SSW
15
0.3
NW
18
0.4
NW
18
0.4
NW
9
0.4
N
8
0.4
NW
9
0.4
NW
9
0.4
N
8
0.2
SSW
14
0.2
SSW
14
0.2
SSW
14
0.3
SW
16
0.3
SW
16
0.3
N
8
Energy kJ
25
25
14
13
12
10
11
16
4
21
21
50
111
29
22
20
20
22
19
18
18
43
41
12
Wind waves
Height (m)
Direction
Period (s)
2
ENE
6
1.9
ENE
6
1.9
E
6
2
E
6
1.9
E
6
2
E
6
1.9
E
6
1.9
E
6
1.8
E
6
2.1
E
6
2.1
E
7
2.1
E
7
2
E
7
1.9
E
7
2
E
7
1.9
ENE
7
1.7
E
7
1.7
E
8
1.7
E
8
1.8
E
8
1.8
E
8
1.8
E
8
1.9
E
8
1.9
E
8
Energy kJ
282
284
288
308
275
328
293
284
267
373
384
396
416
387
393
394
320
329
337
381
407
412
447
413
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
Distance (km)
23
23
25
27
27
23
23
27
25
25
23
51
23
27
23
25
25
25
23
23
23
23
23
23
Best forecast wave conditions in Molokai
Rating
(10 max)
Best forecast wave conditions in United States
Rating
(10 max)
3
2
2
2
3
3
2
2
3
2
2
1
1
4
4
4
4
3
3
2
4
4
4
4
Header Global
Rating
(10 max)
8
9
9
9
9
9
9
8
7
9
9
9
9
8
5
5
5
5
5
5
5
5
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)
Map placeholder

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