Waimea Rivermouth surfForecast / HAW – Kaua'i / USA

information circle48hr Weather and Surf, issued 7 am Wednesday 06 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
24.5° 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 12PM is: 0.4m 18s primary swell from a South-southwest direction (forecast issued at 07:00am May 06). An open ocean swell of 0.9m 10s is not directed at the surf break. The wind direction is predicted to be glassy.

Time (HST) & DateWave HeightWave Period
Morning (06 May)1.5ft (0.4m)18s
Afternoon (06 May)1.5ft (0.4m)9s
Evening (06 May)1.5ft (0.5m)16s

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 Wed night). Wind will be generally light.

Wednesday
6
Thursday
7
Friday
8
Sat
9
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
2 AM
Rating
(10 max)
1
1
1
0
1
1
1
0
0
1
1
1
1
1
1
1
1
1
1
1
1
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)
0.3
SSW
18
0.4
SSW
18
0.4
SSW
18
0.4
SE
9
0.4
SSW
16
0.5
SSW
16
0.5
SSW
16
0.8
NW
16
1.1
NW
16
0.4
SSW
16
0.4
SSW
15
0.4
SSW
15
0.5
SSW
15
0.4
SSW
18
0.4
SSW
18
0.4
SSW
18
0.4
SSW
17
0.4
SSW
16
0.5
S
17
0.5
S
17
0.4
SSW
17
0.4
SSW
16
0.5
S
16
0.4
SSW
16
Wave Graph
Metric surfscale
Energy kJ
60
102
103
22
87
146
146
0
0
84
85
71
121
108
108
107
97
90
144
147
92
90
134
85
Wind (km/h)
10
N
5
NNE
5
SW
5
N
5
N
5
NE
5
ENE
5
ENE
5
ENE
5
NE
5
NNE
5
ENE
5
ENE
10
ENE
10
ENE
10
NE
5
NE
5
NE
5
E
5
NE
5
NE
5
E
10
NE
10
NE
off
glassy
glassy
cross-off
cross-off
off
glassy
glassy
glassy
off
glassy
glassy
cross-off
cross-off
cross-off
off
glassy
glassy
glassy
glassy
glassy
cross-off
cross-off
off
High Tide
7:37PM0.42m
8:32PM0.40m
8:37AM0.08m
9:29PM0.39m
Low Tide
11:13AM-0.02m
11:50AM0.02m
6:02AM0.07m
12:44PM0.06m
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:03
6:03
6:01
6:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:06
7:07
7:07
7:07
Temp °C
22
23
25
25
24
23
23
22
22
23
24
24
24
23
22
22
22
23
24
25
24
23
23
23
24
25
27
27
26
25
25
24
24
25
26
26
26
24
23
24
24
25
26
28
26
25
24
25
Swell 1
Height (m)
Direction
Period (s)
0.9
NW
10
0.9
NW
10
0.9
NW
10
0.9
NNW
10
0.9
NNW
10
0.9
NNW
10
0.8
NNW
9
0.8
NW
16
1.1
NW
16
1.8
NNW
15
1.5
NNW
12
2.1
NNW
14
2
NNW
13
1.9
NNW
13
1.8
NW
13
1.7
NW
13
1.6
NW
12
1.5
NW
12
1.5
NW
12
1.4
NW
12
1.4
NW
12
1.2
NW
12
1.2
NW
11
1.1
NW
11
Energy kJ
170
142
142
168
168
148
110
375
539
1447
623
1606
1370
1216
1077
921
798
646
635
514
497
393
366
268
Swell 2
Height (m)
Direction
Period (s)
0.4
SE
9
0.4
SSW
18
0.4
SSW
18
0.4
SE
9
0.4
SSW
16
0.6
NW
17
0.7
NW
17
0.7
NW
9
0.9
NNW
12
0.4
SSW
16
1.3
NW
14
0.4
SSW
15
0.5
SSW
15
0.4
SSW
15
0.4
SSW
15
0.4
SSW
18
0.4
SSW
17
0.4
SSW
16
0.5
S
17
0.5
S
17
0.4
SSW
17
0.4
SSW
16
0.5
S
16
0.6
NNE
6
Energy kJ
21
102
103
22
87
190
280
84
236
84
676
71
121
71
71
107
97
90
144
147
92
90
134
29
Swell 3
Height (m)
Direction
Period (s)
0.3
SSW
18
0.3
NNE
6
0.3
SE
6
0.3
NW
18
0.4
NW
18
0.5
SSW
16
0.5
SSW
16
0.5
NNW
12
0.6
NW
9
0.3
SE
9
0.4
SSW
15
0.3
SSW
18
0.3
S
18
0.4
SSW
18
0.4
SSW
18
0.4
SSW
14
0.3
SSW
14
0.3
SSW
13
0.3
SSW
13
0.3
SSW
13
0.3
SSW
13
0.3
SSW
13
0.3
SE
10
0.4
SSW
16
Energy kJ
60
7
7
51
112
146
146
87
64
13
85
64
57
108
108
69
36
34
34
34
34
34
16
85
Wind waves
Height (m)
Direction
Period (s)
0.6
ENE
7
0.7
ENE
7
0.8
ENE
4
0.7
ENE
4
0.6
ENE
4
0.6
ENE
4
0.6
ENE
4
0.4
E
4
0.5
E
4
0.5
E
4
0.6
E
4
0.5
E
4
0.4
E
4
0.6
E
8
0.4
ENE
4
0.6
ENE
4
0.7
ENE
4
0.5
E
4
0.7
E
4
0.8
E
4
Energy kJ
37
43
16
13
9
8
8
5
7
8
11
8
5
45
6
12
13
9
17
24
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
3
4
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
0
0
0
3
0
0
0
18
18
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)
1
1
1
1
1
1
1
3
4
1
1
1
1
1
4
4
4
3
3
1
1
3
3
2
Best forecast wave conditions in United States
Rating
(10 max)
2
2
2
3
2
2
3
3
4
4
4
4
4
4
4
4
4
3
3
3
3
4
4
4
Header Global
Rating
(10 max)
6
9
7
6
5
5
8
5
5
6
7
6
5
7
5
7
5
7
6
6
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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