Waimea Rivermouth surfForecast / HAW – Kaua'i / USA

information circle48hr Weather and Surf, issued 1 am 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)

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

Some drizzle, heaviest during Mon night. Warm (max 25°C on Sat morning, min 22°C on Sat night). Wind will be generally light.

Saturday
25
Sunday
26
Monday
27
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
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
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>
Wave
Height (m)
Direction
Period (s)
0.6
NNW
12
0.8
NNW
11
0.6
NNW
14
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
1.1
E
8
0.4
SSW
13
1.1
E
8
Wave Graph
Metric surfscale
Energy kJ
0
0
0
0
116
119
119
113
106
104
103
103
103
138
100
96
92
89
87
68
68
137
67
142
Wind (km/h)
15
ENE
15
ENE
15
NE
10
ENE
10
ENE
10
ENE
10
ENE
15
NE
10
ENE
15
NE
10
ENE
5
E
10
E
5
ENE
10
E
15
ENE
10
NE
10
ENE
10
ENE
10
E
5
E
5
E
10
E
15
ENE
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-off
glassy
cross-off
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
glassy
glassy
cross-off
cross-off
High Tide
11:25PM0.43m
12:34PM0.20m
00:16AM0.40m
1:23PM0.27m
00:57AM0.36m
2:04PM0.34m
Low Tide
6:57AM0.01m
5:41PM0.08m
7:19AM-0.01m
6:54PM0.09m
7:39AM-0.03m
7:56PM0.09m
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:11
6:09
6:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:01
7:01
7:02
Temp °C
23
23
23
25
25
25
24
23
22
22
23
25
25
25
24
23
22
22
23
25
25
25
24
24
23
22
22
25
25
25
24
23
23
22
24
26
26
26
25
23
23
23
24
26
27
27
25
25
Swell 1
Height (m)
Direction
Period (s)
0.9
NNE
7
0.9
NNE
7
0.9
NNE
7
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
0.8
NNW
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
Energy kJ
64
66
79
80
299
295
264
255
255
255
247
231
223
182
176
172
149
119
117
115
108
106
82
68
Swell 2
Height (m)
Direction
Period (s)
0.6
NNW
12
0.8
NNW
11
0.6
NW
11
0.7
NW
11
0.8
NNE
8
0.8
NNE
8
0.7
NE
8
0.7
NNE
8
0.7
NE
8
0.7
NNE
8
0.7
NE
8
0.7
NE
8
0.7
NNE
8
0.7
NNE
8
0.6
NNE
8
0.6
NNE
8
0.6
NNE
8
0.5
NE
8
0.5
NE
8
0.5
NE
8
0.5
NE
8
0.6
NNE
8
0.6
NNE
8
0.6
NNE
8
Energy kJ
91
160
99
128
82
82
64
54
59
51
59
59
51
51
39
40
40
29
29
28
28
37
37
37
Swell 3
Height (m)
Direction
Period (s)
0.6
WNW
11
0.5
W
11
0.6
NNW
14
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
Energy kJ
102
62
125
120
116
119
119
113
106
104
103
103
103
138
100
96
92
89
87
68
68
67
67
44
Wind waves
Height (m)
Direction
Period (s)
1.1
ENE
5
1.1
ENE
5
1.1
ENE
6
1
E
6
1
E
6
1.2
ENE
8
0.9
ENE
7
1.1
ENE
8
0.8
ENE
8
0.8
ENE
8
0.9
ENE
8
0.9
ENE
8
0.9
ENE
8
0.9
E
5
0.7
E
5
0.7
E
5
0.8
E
5
0.7
E
5
0.8
ENE
8
0.9
ENE
8
0.7
ESE
4
1.1
E
8
0.9
E
4
1.1
E
8
Energy kJ
64
69
82
64
76
183
91
135
75
75
93
91
99
34
20
21
33
21
85
92
17
137
33
142
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
3
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
Distance (km)
3
3
3
18
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Best forecast wave conditions in Kaua'i
Rating
(10 max)
2
3
3
3
1
3
3
3
3
3
3
3
1
1
2
2
2
2
2
1
1
2
1
2
Best forecast wave conditions in United States
Rating
(10 max)
3
3
3
3
3
3
3
3
3
3
3
3
3
3
2
2
2
2
2
2
3
2
3
2
Header Global
Rating
(10 max)
5
5
4
5
8
7
8
6
6
5
7
9
9
8
7
6
6
6
6
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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