Waimea Rivermouth surfForecast / HAW – Kaua'i / USA

information circle48hr Weather and Surf, issued 1 pm Wednesday 22 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
24.9° C
(Which is normal for this time of year)

How big are the waves at Waimea Rivermouth today?

The current surf forecast for Waimea Rivermouth at 5PM is: 0.7m 13s primary swell from a West direction (forecast issued at 01:00pm April 22). An open ocean swell of 1.1m 13s is not directed at the surf break, a second open ocean swell of 0.9m 12s is not directed at the surf break. The wind direction is predicted to be glassy.

Time (HST) & DateWave HeightWave Period
Morning (22 Apr)2.5ft (0.7m)14s
Afternoon (22 Apr)2.5ft (0.7m)13s
Evening (22 Apr)2ft (0.6m)13s

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 Thu afternoon. Warm (max 25°C on Wed afternoon, min 22°C on Thu night). Wind will be generally light.

Wed
22
Thursday
23
Friday
24
Sat
25
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)
1
1
1
1
1
1
1
1
0
2
1
0
0
1
0
0
0
0
0
0
0
0
0
0
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)
0.7
W
14
0.7
W
14
0.7
W
13
0.6
W
13
0.6
W
13
0.6
W
13
0.5
W
13
0.6
W
13
0.8
NNW
12
0.7
W
16
0.6
W
15
0.6
WNW
15
0.5
WNW
14
0.7
W
13
0.7
WNW
13
0.7
WNW
13
0.7
WNW
13
0.6
WNW
12
0.6
WNW
12
0.8
NNE
9
0.7
NNW
12
0.6
NNW
12
0.8
NNW
11
0.6
NNW
14
Wave Graph
Metric surfscale
Energy kJ
184
179
173
123
123
125
83
119
0
239
155
0
0
176
0
0
0
0
0
0
0
0
0
0
Wind (km/h)
5
SE
5
ESE
5
N
5
NE
10
E
10
ENE
5
NE
10
ENE
10
E
5
ENE
5
NE
10
ENE
15
NE
10
NE
15
ENE
10
NE
10
E
10
E
10
NNE
10
ENE
15
NE
15
ENE
15
NE
15
ENE
glassy
glassy
glassy
off
cross-off
cross-off
glassy
cross-off
cross
glassy
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
9:14PM0.48m
9:32AM0.08m
10:24PM0.45m
11:26AM0.13m
11:25PM0.43m
Low Tide
12:43PM-0.02m
6:03AM0.05m
2:10PM0.03m
6:33AM0.03m
4:06PM0.06m
6:57AM0.01m
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
thunderstorm
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:11
6:11
6:11
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:00
7:00
7:00
7:01
1
Temp °C
25
25
25
24
24
24
23
24
25
25
25
24
23
22
22
23
24
25
25
24
23
23
23
23
28
28
28
26
26
27
26
26
27
27
27
26
24
23
23
23
24
25
26
25
23
23
23
23
Swell 1
Height (m)
Direction
Period (s)
1.1
NW
13
1.1
NW
13
1.1
NW
13
1.1
NW
13
0.9
NNW
12
0.9
NNW
12
0.9
NW
12
0.8
NNW
12
0.8
NNE
11
0.8
NNE
11
0.8
NNE
10
0.8
NNE
10
0.7
NNE
10
0.8
NNE
10
0.7
NNE
10
0.7
NNE
10
0.7
NNE
9
0.7
NNE
9
0.7
NNE
9
0.8
NNE
9
0.7
NNE
7
0.9
NNE
7
0.8
NNW
11
0.8
NNE
8
Energy kJ
400
394
382
370
268
260
212
180
133
130
125
114
86
111
85
81
73
71
70
90
48
66
160
76
Swell 2
Height (m)
Direction
Period (s)
0.8
NNE
13
0.8
NNE
13
0.9
NNE
12
0.9
NNE
12
0.9
NNE
12
0.9
NNE
12
0.8
NNE
11
0.8
NNE
11
0.8
NNW
12
0.7
NW
12
0.7
NNW
12
0.6
WNW
15
0.5
WNW
14
0.7
W
13
0.7
WNW
13
0.7
WNW
13
0.7
WNW
13
0.6
WNW
12
0.6
WNW
12
0.6
WNW
12
0.7
NNW
12
0.6
NNW
12
0.9
NNE
8
0.6
NW
11
Energy kJ
198
215
245
226
222
215
143
135
180
142
121
167
120
176
181
178
173
117
113
109
127
91
96
99
Swell 3
Height (m)
Direction
Period (s)
0.7
W
14
0.7
W
14
0.7
W
13
0.6
W
13
0.6
W
13
0.6
W
13
0.5
W
13
0.6
W
13
0.5
W
16
0.7
W
16
0.6
W
15
0.6
NNW
12
0.6
NNW
11
0.5
NW
11
0.4
NNW
11
0.4
NNW
11
0.4
NNW
12
0.4
NNW
13
0.5
NW
12
0.6
NNW
12
0.6
WNW
12
0.6
WNW
11
0.5
W
11
0.6
NNW
14
Energy kJ
184
179
173
123
123
125
83
119
131
239
155
90
84
60
47
49
61
64
75
98
107
102
62
125
Wind waves
Height (m)
Direction
Period (s)
0.3
ENE
3
0.5
E
7
0.6
E
4
0.6
E
4
0.6
E
4
0.5
E
4
0.6
E
4
0.7
E
4
0.9
ENE
4
0.3
NNE
4
0.8
E
4
0.8
E
5
0.9
E
4
0.9
ENE
5
0.8
E
5
0.8
E
4
0.7
E
4
0.8
E
5
0.8
ENE
5
0.7
ENE
5
0.7
E
4
Energy kJ
1
26
9
11
11
7
10
16
24
2
26
27
33
37
28
25
18
27
29
22
18
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
2
1
3
3
1
3
2
2
2
1
3
2
2
2
3
Distance (km)
0
0
0
0
0
0
0
0
3
0
0
18
18
0
18
18
18
18
20
18
149
18
18
18
Best forecast wave conditions in Kaua'i
Rating
(10 max)
4
4
2
1
3
3
3
3
3
2
2
3
3
3
3
2
2
2
1
3
2
2
3
Best forecast wave conditions in United States
Rating
(10 max)
4
4
4
4
3
3
3
3
3
2
2
3
3
3
3
2
2
2
2
3
2
2
2
3
Header Global
Rating
(10 max)
9
9
6
5
5
5
5
5
5
5
5
5
6
9
5
5
4
5
5
7
4
5
4
4
  • 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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