Waimea Rivermouth surfForecast / HAW – Kaua'i / USA

information circle48hr Weather and Surf, issued 1 am Saturday 02 May 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
24.7° 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: 1.4m 8s primary swell from a East direction (forecast issued at 01:00am May 02). An open ocean swell of 1.4m 15s is not directed at the surf break, a second open ocean swell of 0.6m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.

Time (HST) & DateWave HeightWave Period
Morning (02 May)4.5ft (1.3m)8s
Afternoon (02 May)4.5ft (1.4m)8s
Evening (02 May)4ft (1.2m)8s

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 Sun morning, min 22°C on Sat night). Wind will be generally light.

Saturday
2
Sunday
3
Monday
4
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
2
2
2
2
2
2
2
2
2
2
1
2
2
2
2
2
2
2
2
2
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>
Wave
Height (m)
Direction
Period (s)
1.4
E
8
1.4
E
8
1.3
E
8
1.3
E
8
1.4
E
8
1.4
E
8
1.2
E
8
0.6
S
16
1.1
E
8
1.1
E
8
1.1
E
8
1.1
E
8
1.2
E
8
1.2
E
8
1.2
E
8
1.2
E
8
1.2
E
8
1.1
E
8
1
E
8
1
E
8
1.1
E
7
1.1
E
6
1.1
E
6
1
E
6
Wave Graph
Metric surfscale
Energy kJ
221
223
191
191
222
216
164
179
135
137
146
149
182
172
187
182
182
148
120
114
130
94
97
78
Wind (km/h)
15
ENE
15
ENE
15
ENE
10
ENE
10
E
10
E
10
NE
10
ENE
10
ENE
15
NE
10
ENE
10
E
15
ENE
10
E
15
ENE
15
ENE
15
ENE
10
ENE
15
E
10
E
5
E
10
ESE
10
ENE
10
ENE
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
cross
cross-off
cross-off
High Tide
3:19AM0.17m
4:50PM0.49m
3:42AM0.14m
5:25PM0.48m
4:01AM0.12m
6:03PM0.46m
Low Tide
11:13PM0.10m
9:20AM-0.08m
00:01AM0.10m
9:45AM-0.07m
00:55AM0.10m
10:12AM-0.06m
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:05
6:05
6:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:05
7:05
7:05
Temp °C
22
22
23
24
24
24
23
23
22
22
23
25
25
25
24
23
22
22
23
24
24
24
23
23
21
22
23
24
24
25
24
24
23
22
24
25
25
25
24
23
22
23
23
24
25
25
23
24
Swell 1
Height (m)
Direction
Period (s)
1.1
NW
15
1.4
NW
15
1.3
NW
14
1.2
NW
14
1.1
NW
13
1.1
NW
13
1.1
NW
13
1.1
NW
13
0.9
NW
12
0.9
NW
12
0.9
NW
12
0.9
NW
12
0.9
NW
12
0.8
NW
11
0.8
NW
11
0.8
NW
11
0.7
NW
11
0.7
NW
11
1.1
NW
13
1.2
NW
13
1.3
NW
12
1.3
NW
12
1.4
NW
12
1.4
NW
12
Energy kJ
558
784
667
534
458
444
380
363
248
240
240
236
232
177
171
168
116
114
374
473
494
471
522
514
Swell 2
Height (m)
Direction
Period (s)
0.7
NNW
12
0.6
NNE
7
0.6
S
14
0.6
NE
7
0.6
NNE
7
0.5
NE
7
0.6
S
15
0.6
S
16
0.5
S
16
0.5
S
13
0.5
S
16
0.5
S
13
0.5
S
14
0.6
S
14
0.6
S
14
0.6
S
14
0.6
S
14
0.5
S
14
0.5
S
14
0.5
S
13
0.5
S
13
0.5
S
13
0.4
SSW
13
0.4
SSW
13
Energy kJ
119
36
142
44
37
27
155
179
131
90
131
90
97
150
150
153
150
104
98
90
89
89
58
57
Swell 3
Height (m)
Direction
Period (s)
0.6
NE
7
0.4
SSW
16
0.6
NE
7
0.5
S
14
0.5
S
14
0.5
S
14
0.5
NE
7
0.5
NE
7
0.5
S
13
0.5
S
16
0.5
S
13
0.4
NE
8
0.4
NE
7
0.4
NE
7
0.3
SE
6
0.3
SE
6
0.4
NE
8
0.5
NW
13
0.4
NE
7
0.4
NE
6
0.4
SE
11
0.4
SE
11
0.4
SE
11
0.4
SE
11
Energy kJ
43
85
44
104
106
106
26
26
87
132
86
20
19
19
5
5
14
88
19
10
40
40
30
29
Wind waves
Height (m)
Direction
Period (s)
1.4
E
8
1.4
E
8
1.3
E
8
1.3
E
8
1.4
E
8
1.4
E
8
1.2
E
8
1.2
E
8
1.1
E
8
1.1
E
8
1.1
E
8
1.1
E
8
1.2
E
8
1.2
E
8
1.2
E
8
1.2
E
8
1.2
E
8
1.1
E
8
1
E
8
1
E
8
1.1
E
7
1.1
E
6
1.1
E
6
1
E
6
Energy kJ
221
223
191
191
222
216
164
163
135
137
146
149
182
172
187
182
182
148
120
114
130
94
97
78
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
1
1
Distance (km)
0
0
0
0
0
0
0
0
0
0
0
3
0
0
0
0
0
0
0
0
0
3
0
0
Best forecast wave conditions in Kaua'i
Rating
(10 max)
4
4
3
2
3
3
3
3
2
2
3
2
2
2
2
2
2
2
3
2
2
3
3
3
Best forecast wave conditions in United States
Rating
(10 max)
4
4
3
3
3
3
3
3
2
2
3
2
4
3
3
2
3
3
3
2
2
3
3
3
Header Global
Rating
(10 max)
4
4
4
4
4
4
4
4
4
5
4
4
4
4
4
5
5
5
4
5
4
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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