Waimea Rivermouth surfForecast / HAW – Kaua'i / USA

information circle48hr Weather and Surf, issued 1 pm Tuesday 05 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
24.4° 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 10PM is: 0.3m 12s primary swell from a South-southwest direction and 0.3m 9s secondary swell from a Southeast direction (forecast issued at 01:00pm May 05). An open ocean swell of 1.0m 11s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (HST) & DateWave HeightWave Period
Morning (05 May)1.5ft (0.4m)12s
Afternoon (05 May)1ft (0.3m)12s
Evening (05 May)1ft (0.3m)12s

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 Tue afternoon, min 22°C on Tue night). Wind will be generally light.

Tue
5
Wednesday
6
Thursday
7
Fri
8
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
5 AM
8 AM
Rating
(10 max)
0
0
0
0
0
1
1
1
1
0
1
0
1
0
0
1
1
1
1
1
0
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)
0.4
SSW
12
0.3
SSW
12
0.3
SSW
12
0.3
SSW
12
0.3
SSW
12
0.3
SSW
17
0.3
SSW
18
0.4
SSW
18
0.4
SSW
18
0.4
SE
9
0.4
SSW
16
0.6
NW
17
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
0.5
SSW
15
0.4
SSW
18
0.4
SSW
18
0.4
SSW
18
0.4
SSW
16
Wave Graph
Metric surfscale
Energy kJ
49
28
28
28
28
55
60
102
103
22
87
0
146
0
0
84
85
71
121
121
108
107
102
90
Wind (km/h)
10
WNW
10
W
15
WNW
10
NW
5
N
5
NNE
5
NNE
5
ENE
5
S
5
NW
5
N
5
NE
5
ENE
5
ENE
5
NE
5
NE
5
E
5
NE
10
NE
5
ENE
10
E
10
NNE
5
NE
5
NNE
cross
cross
cross-off
cross-off
cross-off
glassy
off
glassy
glassy
glassy
cross-off
glassy
glassy
glassy
glassy
cross-off
glassy
glassy
off
glassy
cross
off
glassy
glassy
High Tide
6:47PM0.44m
7:37PM0.42m
8:32PM0.40m
Low Tide
10:41AM-0.04m
11:13AM-0.02m
11:50AM0.02m
6:02AM0.07m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
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
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:06
7:06
7:07
7:07
Temp °C
25
25
25
24
23
23
22
23
24
25
24
23
23
22
22
23
24
24
24
23
23
22
22
23
26
25
25
25
25
26
24
25
26
28
26
25
25
24
25
25
26
26
26
25
24
23
24
25
Swell 1
Height (m)
Direction
Period (s)
1.1
NW
11
1.1
NW
11
1.1
NW
11
1.1
NW
11
1
NW
11
1
NW
10
0.9
NW
10
0.9
NW
10
0.9
NW
10
0.9
NNW
10
0.9
NW
10
0.7
NW
10
0.8
NNW
9
0.8
NW
16
1.1
NW
16
1.8
NNW
15
1.5
NNW
12
2
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
Energy kJ
278
273
273
268
224
212
170
142
142
168
139
96
110
375
539
1447
623
1474
1370
1216
1077
921
798
646
Swell 2
Height (m)
Direction
Period (s)
0.4
SSW
12
0.3
SSW
12
0.3
SSW
12
0.3
SE
10
0.3
SE
9
0.4
SE
9
0.4
SE
9
0.4
SSW
18
0.4
SSW
18
0.4
SE
9
0.5
N
5
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
0.5
SSW
15
0.4
SSW
15
0.4
SSW
18
0.4
SSW
18
0.4
SSW
16
Energy kJ
49
28
28
14
13
21
21
102
103
22
11
190
280
84
203
84
676
71
121
121
71
107
102
90
Swell 3
Height (m)
Direction
Period (s)
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SSW
12
0.3
SSW
12
0.3
SSW
17
0.3
SSW
18
0.3
SE
7
0.3
SE
6
0.3
NW
18
0.4
SSW
16
0.5
N
5
0.5
SSW
16
0.5
NNW
12
0.7
NNW
9
0.3
SE
9
0.4
SSW
15
0.3
SSW
18
0.3
S
18
0.3
S
18
0.4
SSW
18
0.4
SSW
14
0.3
SSW
13
0.3
SSW
13
Energy kJ
15
15
15
28
28
55
60
7
7
51
87
10
146
87
71
13
85
64
57
58
108
69
35
34
Wind waves
Height (m)
Direction
Period (s)
0.6
ENE
7
0.7
ENE
7
0.5
ENE
4
0.4
ENE
4
0.5
E
8
0.5
E
8
0.6
E
3
0.6
ENE
8
0.5
E
4
0.5
E
4
0.5
E
4
0.4
E
4
0.4
E
4
Energy kJ
38
43
8
5
32
32
8
51
7
8
8
5
5
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
4
1
1
1
1
1
1
1
1
1
Distance (km)
25
25
25
3
3
0
0
0
0
3
0
3
0
3
18
0
0
0
0
0
3
0
0
0
Best forecast wave conditions in Kaua'i
Rating
(10 max)
2
2
2
1
2
1
2
2
1
1
1
2
2
3
4
1
1
1
1
4
4
4
4
3
Best forecast wave conditions in United States
Rating
(10 max)
2
2
2
3
2
3
3
2
3
2
2
2
3
3
4
4
4
4
4
4
4
4
4
4
Header Global
Rating
(10 max)
5
5
5
7
9
9
6
6
4
7
6
5
5
5
6
6
6
6
7
7
7
6
7
8
  • 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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