Waimea Rivermouth surfForecast / HAW – Kaua'i / USA

information circle48hr Weather and Surf, issued 1 pm Saturday 25 Apr 2026 HST
Forecast update in hr  min  s Forecast update imminent
Waimea Rivermouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Waimea Rivermouth sea temperature is
25.5° C
(Which is slightly warmer than usual)

How big are the waves at Waimea Rivermouth today?

The current surf forecast for Waimea Rivermouth at 5PM is: 0.5m 16s primary swell from a Southwest direction (forecast issued at 01:00pm April 25). An open ocean swell of 0.9m 13s is not directed at the surf break, a second open ocean swell of 0.8m 8s is not directed at the surf break, a second open ocean swell of 0.9m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (HST) & DateWave HeightWave Period
Morning (25 Apr)--
Afternoon (25 Apr)1.5ft (0.5m)16s
Evening (25 Apr)1.5ft (0.5m)15s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 6mm), mostly falling on Tue morning. Warm (max 25°C on Sat afternoon, min 22°C on Sat night). Wind will be generally light.

Sat
25
Sunday
26
Monday
27
Tue
28
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
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
1
1
1
Swell
Height Map
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
0.6
NNW
13
0.5
SW
15
0.5
SW
16
0.5
SW
16
0.5
SW
15
0.5
SW
15
0.5
SW
15
0.5
SW
14
0.5
SW
14
0.5
SW
14
0.6
SSW
14
0.5
SW
14
0.5
SW
14
0.5
SW
14
0.5
SW
14
0.5
SW
13
0.4
SSW
13
0.4
SSW
13
0.4
SSW
13
0.4
SSW
13
0.4
SW
13
0.4
SW
13
1.2
E
7
1.1
E
7
Wave Graph
Metric surfscale
Energy kJ
0
116
119
119
113
106
104
103
103
103
138
100
96
92
89
87
68
68
67
67
44
43
150
124
Wind (km/h)
10
ENE
10
ENE
10
ENE
10
ENE
15
NE
10
ENE
10
NE
10
ENE
10
E
10
E
10
E
10
ENE
15
ENE
10
ENE
10
ENE
10
ENE
10
E
5
E
5
E
10
E
15
ENE
15
E
15
ENE
15
E
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
cross-off
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
glassy
cross
cross-off
cross-off
cross-off
cross-off
High Tide
12:34PM0.20m
00:16AM0.40m
1:23PM0.27m
00:57AM0.36m
2:04PM0.34m
1:32AM0.32m
Low Tide
5:41PM0.08m
7:19AM-0.01m
6:54PM0.09m
7:39AM-0.03m
7:56PM0.09m
7:57AM-0.05m
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
rain showers
rain showers
rain showers
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:09
6:09
6:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:01
7:01
7:02
7:02
1
1
1
1
Temp °C
25
25
25
24
23
22
22
23
25
25
25
24
23
23
22
23
25
25
24
24
23
23
23
23
25
25
25
24
23
23
23
24
26
25
26
25
24
25
23
24
26
27
26
25
23
24
23
23
Swell 1
Height (m)
Direction
Period (s)
0.8
NNE
8
0.9
NNW
13
0.9
NNW
13
0.9
NNW
12
0.9
NNW
12
0.9
NNW
12
0.9
NNW
12
0.9
NNW
12
0.9
NNW
12
0.9
NNW
11
0.9
NW
11
0.9
NW
11
0.9
NW
11
0.7
NW
11
0.7
NW
11
0.7
NW
11
0.7
NW
11
0.7
NW
10
0.7
NW
10
0.6
NW
10
0.6
NNW
10
0.6
NNW
10
0.5
NW
10
0.5
NW
10
Energy kJ
80
299
295
264
255
255
255
247
231
223
182
176
172
119
119
117
115
108
106
82
68
68
50
49
Swell 2
Height (m)
Direction
Period (s)
0.7
NW
11
0.8
NNE
8
0.8
NNE
8
0.7
NNE
8
0.7
NNE
8
0.7
NNE
8
0.7
NE
8
0.7
NE
8
0.7
NE
8
0.7
NE
8
0.7
NNE
8
0.7
NNE
8
0.7
NNE
8
0.6
NNE
8
0.6
NNE
8
0.5
NE
8
0.6
NNE
8
0.5
NE
7
0.5
NE
8
0.6
NE
8
0.5
NE
7
0.5
NE
7
0.4
NNE
8
0.4
NNE
8
Energy kJ
128
82
82
56
54
51
57
57
59
59
51
51
52
40
40
28
39
27
28
45
25
23
26
26
Swell 3
Height (m)
Direction
Period (s)
0.6
NNW
13
0.5
SW
15
0.5
SW
16
0.5
SW
16
0.5
SW
15
0.5
SW
15
0.5
SW
15
0.5
SW
14
0.5
SW
14
0.5
SW
14
0.6
SSW
14
0.5
SW
14
0.5
SW
14
0.5
SW
14
0.5
SW
14
0.5
SW
13
0.4
SSW
13
0.4
SSW
13
0.4
SSW
13
0.4
SSW
13
0.4
SW
13
0.4
SW
13
0.4
SE
6
0.4
NW
14
Energy kJ
120
116
119
119
113
106
104
103
103
103
138
100
96
92
89
87
68
68
67
67
44
43
10
73
Wind waves
Height (m)
Direction
Period (s)
0.9
ENE
6
1
E
6
0.9
ENE
8
1
ENE
4
1
ENE
8
1
ENE
8
0.8
ENE
8
0.8
ENE
8
0.8
ENE
8
0.9
ENE
8
0.9
E
5
0.9
E
5
0.9
E
5
0.8
E
5
0.8
E
5
0.8
ENE
8
0.8
ENE
8
0.9
ENE
8
0.9
ENE
8
1.2
ENE
8
1.6
ENE
6
0.4
SE
7
1.2
E
7
1.1
E
7
Energy kJ
52
76
110
43
116
110
64
77
77
94
34
35
37
31
29
83
83
85
102
169
205
12
150
124
Nearest Offshore or Glassy
Rating
(10 max)
3
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
18
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
3
0
0
0
Best forecast wave conditions in Kaua'i
Rating
(10 max)
3
1
1
3
3
3
3
3
3
1
1
3
2
2
2
2
1
1
1
1
1
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
3
3
3
3
3
3
4
3
3
3
2
3
2
2
2
2
2
2
3
1
2
2
2
1
Header Global
Rating
(10 max)
6
7
5
7
6
6
7
7
9
9
8
7
5
6
6
6
5
6
5
5
5
5
5
7
  • 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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