Waimea Rivermouth surfForecast / HAW – Kaua'i / USA

information circle48hr Weather and Surf, issued 1 am 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 5AM is: 0.7m 14s primary swell from a West direction (forecast issued at 01:00am April 22). An open ocean swell of 0.9m 14s 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

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

Wednesday
22
Thursday
23
Friday
24
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)
2
1
1
1
1
1
1
1
1
1
1
0
2
1
0
0
1
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>
Wave
Height (m)
Direction
Period (s)
0.7
W
14
0.7
W
14
0.7
W
14
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
NNE
11
0.7
W
16
0.6
W
15
0.6
WNW
15
0.6
WNW
14
0.7
W
13
0.7
WNW
13
0.7
WNW
13
0.6
WNW
13
0.9
NNE
9
0.6
WNW
12
0.6
NNW
12
0.7
NNW
12
Wave Graph
Metric surfscale
Energy kJ
203
196
195
184
179
173
123
123
125
83
119
0
239
155
0
0
176
0
0
0
0
0
0
0
Wind (km/h)
5
ESE
5
E
5
E
5
SE
0
ESE
5
NNE
5
NE
10
ENE
10
ENE
5
NE
5
NE
5
E
5
ENE
5
NNE
10
ENE
10
NE
10
NE
15
NE
10
NE
10
E
10
NE
10
NE
15
ENE
15
ENE
glassy
glassy
glassy
glassy
glassy
glassy
cross-off
cross-off
cross-off
glassy
glassy
glassy
glassy
off
cross-off
off
cross-off
cross-off
cross-off
cross
off
off
cross-off
cross-off
High Tide
7:10AM0.07m
9:14PM0.48m
9:32AM0.08m
10:24PM0.45m
11:26AM0.13m
Low Tide
5:18AM0.07m
12:43PM-0.02m
6:03AM0.05m
2:10PM0.03m
6:33AM0.03m
4:06PM0.06m
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
clear
part cloud
cloud
part cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:13
6:11
6:11
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:00
7:00
7:00
Temp °C
24
23
24
25
25
25
24
24
23
23
24
25
25
25
24
23
22
22
23
24
24
25
24
23
28
26
27
28
28
28
26
26
25
25
27
27
27
27
26
24
23
22
23
25
24
26
24
23
Swell 1
Height (m)
Direction
Period (s)
1.1
NW
14
0.9
NNW
14
1.1
NW
13
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
0.7
NNE
10
0.7
NNE
10
0.7
W
13
0.8
NNE
10
0.8
NNE
10
0.6
WNW
13
0.9
NNE
9
0.8
NNE
7
0.9
NNE
7
0.9
NNE
7
Energy kJ
476
307
412
400
394
382
370
268
260
212
180
133
130
125
88
86
176
109
105
131
113
62
68
68
Swell 2
Height (m)
Direction
Period (s)
0.7
W
14
0.7
W
14
0.7
W
14
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
0.7
NW
12
0.7
NW
12
0.7
NNW
12
0.6
WNW
15
0.6
WNW
14
0.7
NNE
10
0.7
WNW
13
0.7
WNW
13
0.5
NNE
9
0.6
WNW
12
0.6
WNW
12
0.6
NNW
12
0.7
NNW
12
Energy kJ
203
196
195
198
215
245
226
222
215
143
135
144
142
121
167
165
86
181
178
47
117
113
98
127
Swell 3
Height (m)
Direction
Period (s)
0.6
NNE
15
0.7
NNE
14
0.7
NNE
14
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
NNE
5
0.4
NNW
13
0.5
NW
12
0.6
WNW
12
0.6
WNW
12
Energy kJ
146
183
166
184
179
173
123
123
125
83
119
131
239
155
90
84
60
47
49
8
64
75
109
107
Wind waves
Height (m)
Direction
Period (s)
0.5
E
7
0.5
E
7
0.4
ENE
7
0.6
E
4
0.6
E
4
0.6
E
4
0.5
E
4
0.5
E
4
0.6
ENE
4
0.3
NNE
4
0.4
NNE
4
0.4
NNE
4
0.8
ENE
5
0.9
ENE
4
0.9
ENE
4
0.8
E
4
0.8
E
4
0.8
E
5
1.1
NE
5
Energy kJ
25
25
17
9
11
12
7
8
12
2
4
5
28
34
34
25
26
27
51
Nearest Offshore or Glassy
Rating
(10 max)
2
1
1
1
1
1
1
1
1
1
1
1
2
1
1
2
1
2
2
2
2
1
2
1
Distance (km)
0
0
0
0
0
0
0
0
0
0
0
3
0
0
20
157
0
18
18
18
149
20
157
4
Best forecast wave conditions in Kaua'i
Rating
(10 max)
4
4
4
4
4
2
1
3
3
3
3
3
2
2
1
2
2
2
2
1
3
Best forecast wave conditions in United States
Rating
(10 max)
4
4
4
4
4
4
4
3
3
3
3
3
2
2
3
3
3
3
2
2
2
2
3
3
Header Global
Rating
(10 max)
7
9
9
8
7
7
6
5
5
5
5
4
5
5
5
5
5
5
5
5
4
4
4
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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