Waimea Rivermouth surfForecast / HAW – Kaua'i / USA

information circle48hr Weather and Surf, issued 7 pm Saturday 09 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
24.6° 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 2AM is: 0.3m 14s primary swell from a South-southwest direction (forecast issued at 07:00pm May 09). An open ocean swell of 0.9m 7s is not directed at the surf break, a second open ocean swell of 0.9m 12s is not directed at the surf break, a second open ocean swell of 1.4m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (HST) & DateWave HeightWave Period
Morning (10 May)1.5ft (0.4m)13s
Afternoon (10 May)3ft (0.9m)6s
Evening (10 May)1ft (0.3m)11s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Some drizzle, heaviest during Sun afternoon. Warm (max 25°C on Sun afternoon, min 23°C on Sat night). Wind will be generally light.

Sat
9
Sunday
10
Monday
11
Tue
12
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)
1
1
0
0
1
0
1
1
1
0
0
0
0
0
0
1
0
0
0
0
0
1
2
2
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)
0.4
SSW
15
0.4
SSW
15
1.6
ENE
7
0.3
SSW
14
1.2
E
7
0.3
SSW
13
1
E
7
0.9
E
6
0.3
SSW
13
0.3
SSW
11
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
8
1.1
E
7
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
8
1.2
E
6
1.4
E
7
1.4
E
8
1.4
ESE
8
Wave Graph
Metric surfscale
Energy kJ
72
71
0
41
134
34
86
62
34
24
24
24
25
25
24
124
24
25
25
23
0
189
239
238
Wind (km/h)
15
NE
20
ENE
20
ENE
15
ENE
10
ENE
10
NE
10
E
10
E
10
NE
15
ENE
15
ENE
15
ENE
15
ENE
15
NE
10
ENE
15
ENE
15
ENE
20
ENE
20
ENE
15
ENE
15
ENE
15
ENE
15
ENE
15
ENE
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
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-off
cross-off
cross-off
High Tide
10:22PM0.38m
12:04PM0.19m
11:10PM0.36m
12:50PM0.27m
11:53PM0.33m
1:29PM0.36m
Low Tide
2:31PM0.10m
6:12AM0.04m
4:36PM0.13m
6:27AM0.02m
6:08PM0.14m
6:47AM-0.02m
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
rain showers
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:01
6:01
6:00
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:07
7:07
7:07
7:08
1
Temp °C
24
23
23
23
23
23
24
25
25
24
23
23
23
23
25
25
25
24
23
23
23
23
25
25
24
23
23
24
25
24
26
26
26
25
24
24
24
24
26
26
25
24
22
23
23
23
25
25
Swell 1
Height (m)
Direction
Period (s)
0.9
NNE
6
0.9
NNE
6
0.9
NNE
7
0.9
NNE
7
0.9
NNW
10
0.9
NNW
10
1.1
NNW
10
1.2
NNW
11
1.2
NNW
12
1.2
NNW
12
0.9
NW
12
0.9
N
7
0.9
N
7
0.9
N
7
0.8
N
7
0.8
NW
11
0.8
NW
11
0.9
N
7
1
N
7
1
N
7
0.9
NNE
6
0.8
NNE
6
0.7
NNW
10
0.8
NNW
10
Energy kJ
66
72
75
75
170
163
260
302
399
399
232
74
72
72
56
140
137
70
92
92
70
42
104
125
Swell 2
Height (m)
Direction
Period (s)
0.8
NW
11
0.8
NW
11
0.8
NNW
11
0.9
NNW
12
0.8
NNE
7
0.8
NNE
6
0.6
NW
13
0.5
NW
13
0.4
SE
8
0.4
SE
8
0.8
N
7
0.9
NW
12
0.9
NW
11
0.8
NW
11
0.8
NW
11
0.8
N
6
0.8
N
6
0.7
NW
11
0.6
NW
11
0.6
NW
10
0.6
NW
10
0.7
NNW
11
0.6
N
6
0.7
NNE
6
Energy kJ
137
140
151
235
58
44
108
85
24
23
57
228
179
142
140
54
54
112
90
69
64
121
25
35
Swell 3
Height (m)
Direction
Period (s)
0.4
SSW
15
0.4
SSW
15
0.4
NW
13
0.3
SSW
14
0.4
NW
13
0.3
SSW
13
0.4
SSW
13
0.3
SE
8
0.3
SSW
13
0.3
SSW
11
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.5
N
12
0.4
NW
10
0.5
SE
9
0.5
SE
8
Energy kJ
72
71
45
41
40
34
57
11
34
24
24
24
25
25
24
24
24
25
25
23
69
35
36
35
Wind waves
Height (m)
Direction
Period (s)
1.1
E
6
1.5
ENE
6
1.6
ENE
7
1.4
ENE
7
1.2
E
7
1
E
7
1
E
7
0.9
E
6
1
E
6
1
E
5
1.1
E
5
1.1
E
5
1.1
E
6
1
E
5
0.9
E
6
1.1
E
7
1.1
E
6
1.1
E
5
1.4
E
5
1.5
ENE
6
1.2
E
6
1.4
E
7
1.4
E
8
1.4
ESE
8
Energy kJ
85
150
206
186
134
92
86
62
71
54
65
67
72
58
48
124
82
57
104
192
101
189
239
238
Nearest Offshore or Glassy
Rating
(10 max)
1
1
2
3
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
2
1
2
2
Distance (km)
0
0
149
18
0
3
0
0
0
4
3
4
4
3
3
0
18
330
3
3
18
0
0
0
Best forecast wave conditions in Kaua'i
Rating
(10 max)
1
1
3
2
2
3
3
1
2
2
2
2
2
2
2
2
1
1
2
2
2
2
Best forecast wave conditions in United States
Rating
(10 max)
3
3
4
4
2
2
3
3
4
3
3
3
3
2
2
4
3
3
3
3
3
2
2
2
Header Global
Rating
(10 max)
4
4
5
5
9
7
6
9
5
5
5
4
5
5
5
9
9
5
9
9
9
9
9
9
  • 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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