Waimea Rivermouth surfForecast / HAW – Kaua'i / USA

information circle48hr Weather and Surf, issued 1 am Wednesday 27 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 normal for this time of year)

How big are the waves at Waimea Rivermouth today (27 May):

  • Morning surf: Morning surf (27 May, local time) - 2.5ft (0.7m), 14s period with SSE swell.
  • Afternoon surf: Afternoon surf (27 May, local time) - 4.5ft (1.4m), 7s period with E swell.
  • Evening surf: Evening surf (27 May, local time) - 5ft (1.5m), 7s period with E swell.

The current surf forecast for Waimea Rivermouth at 8AM is: 1.5m 7s primary swell from a East direction and 0.7m 14s secondary swell from a South-southeast direction (forecast issued at 01:00am May 27). An open ocean swell of 1.1m 14s 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 (27 May)2.5ft (0.7m)14s
Afternoon (27 May)4.5ft (1.4m)7s
Evening (27 May)5ft (1.5m)7s

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 26°C on Fri afternoon, min 22°C on Wed night). Wind will be generally light.

Wednesday
27
Thursday
28
Friday
29
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)
1
2
2
2
2
1
1
0
1
1
1
2
1
2
2
2
2
3
3
3
3
3
3
3
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.7
E
7
1.5
E
7
1.5
E
7
1.4
E
7
1.3
E
7
0.7
S
14
0.7
SSE
13
0.6
S
13
0.6
S
13
0.6
S
13
0.6
S
12
1.2
E
7
1.3
E
7
1.4
E
7
1.4
E
7
1.3
E
7
0.6
S
21
0.7
S
21
0.8
S
20
0.8
S
20
0.9
S
20
0.9
S
19
1
S
19
1
S
18
Wave Graph
Metric surfscale
Energy kJ
287
239
246
212
183
181
190
123
121
117
110
150
167
179
168
154
332
441
536
495
611
599
707
656
Wind (km/h)
20
ENE
15
ENE
15
ENE
15
E
15
ENE
20
E
20
ENE
20
ENE
15
ENE
15
ENE
15
ENE
10
ENE
10
E
15
ENE
15
ENE
15
ENE
15
ENE
15
ENE
15
ENE
15
E
15
E
10
ENE
15
E
15
ENE
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
00:33AM0.24m
2:27PM0.48m
1:10AM0.20m
3:00PM0.51m
1:46AM0.17m
3:32PM0.53m
Low Tide
7:03AM-0.05m
9:23PM0.15m
7:27AM-0.06m
10:15PM0.13m
7:53AM-0.07m
10:59PM0.12m
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
<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
7:15
7:15
Temp °C
22
22
23
25
25
24
24
23
23
22
23
25
25
25
24
23
23
23
23
25
26
25
24
23
21
21
22
25
25
23
23
22
22
22
23
25
25
25
24
23
23
23
23
25
26
26
25
23
Swell 1
Height (m)
Direction
Period (s)
1.1
NW
15
1.1
NW
15
1.1
NW
14
1.1
NW
14
1.1
NW
14
1.1
NW
13
1.1
NW
13
1
NW
13
1
NW
12
1
NW
12
0.9
NW
12
0.8
NW
12
0.8
NW
12
0.8
NW
12
0.8
NW
11
0.8
NW
11
0.8
NNE
10
0.8
NNE
10
0.8
S
20
0.8
S
20
0.9
S
20
0.9
S
19
1
S
19
1
S
18
Energy kJ
558
472
434
492
465
386
380
325
295
281
244
203
172
164
155
155
125
111
536
495
611
599
707
656
Swell 2
Height (m)
Direction
Period (s)
0.8
NE
7
0.7
SSE
14
0.7
SSE
14
0.7
NE
7
0.6
NE
7
0.7
S
14
0.7
SSE
13
0.7
NE
7
0.7
NE
7
0.6
NE
7
0.6
NNE
7
0.6
NNE
7
0.6
NNE
7
0.6
NNE
7
0.5
S
12
0.7
NNE
11
0.7
NW
11
0.7
NW
11
0.8
NNE
10
0.8
NNE
8
0.8
NNE
8
0.8
NNE
8
0.8
NNE
8
0.8
NNE
8
Energy kJ
64
215
215
53
42
181
184
47
49
38
31
30
30
29
71
99
133
130
107
76
82
74
71
69
Swell 3
Height (m)
Direction
Period (s)
0.6
S
15
0.7
NE
7
0.7
NE
7
0.6
S
14
0.6
S
14
0.7
NE
7
0.7
NE
7
0.6
S
13
0.6
S
13
0.6
S
13
0.6
S
12
0.6
S
12
0.6
S
12
0.6
S
12
0.5
NNE
7
0.5
S
12
0.6
S
21
0.7
S
21
0.7
NW
11
0.7
NW
11
0.6
NNW
11
0.6
NNW
11
0.6
NNW
11
0.6
NNW
11
Energy kJ
150
54
54
144
140
53
51
123
121
117
110
105
103
103
26
69
332
441
128
126
82
79
78
76
Wind waves
Height (m)
Direction
Period (s)
1.7
E
7
1.5
E
7
1.5
E
7
1.4
E
7
1.3
E
7
1.5
E
7
1.5
E
6
1.4
ENE
7
1.4
ENE
7
1.3
ENE
7
1.2
ENE
7
1.2
E
7
1.3
E
7
1.4
E
7
1.4
E
7
1.3
E
7
1.3
E
7
1.2
E
7
1.2
E
7
1.1
E
7
1.2
E
7
1.3
E
7
1.4
E
7
1.2
E
7
Energy kJ
287
239
246
212
183
218
190
208
208
181
156
150
167
179
168
154
149
127
131
113
134
158
167
138
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
2
2
1
2
2
1
1
1
2
2
2
2
2
2
3
3
3
3
3
3
3
Distance (km)
3
0
0
0
0
0
6
153
0
0
0
0
3
0
0
0
0
0
0
0
0
0
0
0
Best forecast wave conditions in Kaua'i
Rating
(10 max)
3
2
3
3
2
3
2
1
2
2
2
2
2
3
3
3
3
3
3
3
3
3
3
Best forecast wave conditions in United States
Rating
(10 max)
6
5
3
3
3
3
4
4
4
4
4
4
4
4
4
4
4
4
3
3
3
3
4
4
Header Global
Rating
(10 max)
7
9
7
6
6
8
9
9
7
9
7
7
6
5
5
5
5
5
4
5
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

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