Waimea Rivermouth surfForecast / HAW – Kaua'i / USA

information circle48hr Weather and Surf, issued 7 pm Friday 29 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
25.1° C
(Which is slightly cooler than normal)

How big are the waves at Waimea Rivermouth today (30 May):

  • Afternoon surf: Afternoon surf (30 May, local time) - 3ft (0.9m), 19s period with S swell.
  • Evening surf: Evening surf (30 May, local time) - 3ft (0.9m), 19s period with S swell.

The current surf forecast for Waimea Rivermouth at 12AM is: 1.0m 18s primary swell from a South direction and 1.1m 7s secondary swell from a East direction (forecast issued at 07:00pm May 29). An open ocean swell of 0.7m 11s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 3.

Time (HST) & DateWave HeightWave Period
Morning (30 May)--
Afternoon (30 May)3ft (0.9m)19s
Evening (30 May)3ft (0.9m)19s

Table - waves today at Waimea Rivermouth. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 3mm), mostly falling on Sun afternoon. Warm (max 25°C on Sat morning, min 22°C on Fri night). Wind will be generally light.

Fri
29
Saturday
30
Sunday
31
Mon
1
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
11 AM
2 PM
Rating
(10 max)
3
3
3
3
3
3
3
3
2
2
2
3
2
2
2
2
2
2
3
3
3
3
3
3
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.9
S
19
1
S
19
0.9
S
18
1
S
18
1
S
18
1
S
17
1
S
17
0.9
SSW
16
0.9
SSW
16
0.9
S
16
0.9
SSW
16
0.9
SSW
16
0.8
SSW
16
0.9
SSW
15
0.8
SSW
15
0.8
SSW
15
0.8
SSW
15
0.8
SSW
14
0.6
S
20
0.7
S
19
0.7
S
19
0.7
S
19
0.8
S
18
0.9
SSW
18
Wave Graph
Metric surfscale
Energy kJ
599
707
533
627
632
617
589
454
443
417
421
416
324
390
296
288
284
280
276
369
365
354
413
522
Wind (km/h)
10
ENE
15
ENE
15
ENE
15
ENE
10
NE
10
ENE
10
E
10
E
10
ESE
10
ENE
10
NE
5
ENE
5
ENE
10
NE
5
E
5
E
5
E
5
E
10
ENE
10
ENE
5
ENE
5
NE
5
E
5
NE
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
cross
cross-off
cross-off
glassy
cross-off
off
glassy
glassy
glassy
glassy
cross-off
cross-off
glassy
glassy
glassy
glassy
High Tide
3:32PM0.53m
2:20AM0.15m
4:04PM0.53m
2:54AM0.13m
4:37PM0.53m
3:26AM0.12m
Low Tide
10:59PM0.12m
8:21AM-0.07m
11:39PM0.11m
8:51AM-0.07m
00:19AM0.10m
9:22AM-0.06m
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
rain showers
part cloud
rain showers
rain showers
part cloud
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:54
5:54
5:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:15
7:16
7:16
7:17
1
1
1
Temp °C
25
24
23
23
22
23
25
25
25
24
23
23
23
24
25
25
25
24
23
23
23
23
25
25
26
25
23
23
23
23
26
26
26
25
25
25
25
26
27
27
27
26
25
25
25
25
27
27
Swell 1
Height (m)
Direction
Period (s)
0.9
S
19
1
S
19
0.9
S
18
1
S
18
1
S
18
1
S
17
1
S
17
0.9
SSW
16
0.9
SSW
16
0.9
S
16
0.9
SSW
16
0.9
SSW
16
0.8
SSW
16
0.9
SSW
15
0.8
SSW
15
0.8
SSW
15
0.8
SSW
15
0.8
SSW
14
0.7
S
14
0.7
SSW
14
0.7
SSW
14
0.7
S
19
0.8
S
18
0.9
SSW
18
Energy kJ
599
707
533
627
632
617
589
454
443
417
421
416
324
390
296
288
284
280
203
215
215
354
413
522
Swell 2
Height (m)
Direction
Period (s)
0.8
NNE
8
0.8
NNE
11
0.7
NE
11
0.7
NNW
11
0.8
NNW
10
0.7
NNW
10
0.6
NNW
10
0.8
N
10
0.8
N
10
0.8
N
9
0.6
N
8
0.7
NNE
8
0.6
NNE
8
0.6
NNE
8
0.6
NNE
8
0.5
NNE
8
0.5
NNE
8
0.5
N
11
0.6
N
10
0.7
S
19
0.7
S
19
0.7
S
14
0.7
N
10
0.7
N
10
Energy kJ
76
146
115
99
114
100
75
122
118
111
51
72
53
53
53
35
34
58
77
369
365
200
90
87
Swell 3
Height (m)
Direction
Period (s)
0.6
NNW
11
0.6
S
13
0.6
S
13
0.6
NE
8
0.6
NE
8
0.6
S
12
0.6
NE
8
0.5
S
12
0.5
S
12
0.5
S
12
0.5
S
11
0.5
S
11
0.5
N
10
0.5
N
9
0.5
N
9
0.5
N
9
0.5
N
11
0.6
NNE
8
0.6
S
20
0.5
N
10
0.5
N
10
0.7
N
10
0.7
S
14
0.6
S
14
Energy kJ
79
125
125
57
54
104
48
71
71
69
65
63
46
44
44
42
59
39
276
51
50
94
195
134
Wind waves
Height (m)
Direction
Period (s)
1.2
E
7
1.2
E
7
1.1
E
7
1.1
E
7
1.1
E
7
1
E
7
1
E
7
1
E
7
1.1
ENE
7
1.1
ENE
7
1.1
ENE
7
1.1
E
7
0.9
E
7
0.8
E
7
0.8
E
7
0.9
E
7
0.8
E
7
0.9
E
7
0.8
E
7
0.8
E
8
0.7
E
5
0.8
ENE
7
0.5
E
4
0.8
ENE
8
Energy kJ
128
131
110
107
103
93
99
99
132
125
125
131
85
69
69
87
69
85
69
71
23
59
9
75
Nearest Offshore or Glassy
Rating
(10 max)
3
3
3
3
3
3
3
3
3
2
2
3
2
2
2
2
2
2
3
3
3
3
3
3
Distance (km)
0
0
0
0
0
0
0
0
3
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)
3
3
3
3
3
3
3
3
3
3
2
3
3
2
2
3
2
2
3
3
3
3
3
3
Best forecast wave conditions in United States
Rating
(10 max)
4
4
4
3
3
3
3
3
3
4
4
4
4
2
2
3
2
5
4
4
4
3
3
3
Header Global
Rating
(10 max)
5
5
5
5
6
8
7
7
7
7
7
6
6
5
5
5
5
5
5
4
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

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Waimea Rivermouth surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


Nearest locationNearest
Nearest locationNearest
Nearest locationNearest