Waimea Rivermouth surfForecast / HAW – Kaua'i / USA

information circle48hr Weather and Surf, issued 1 am Thursday 30 Apr 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
24.7° 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 6AM is: 0.4m 10s primary swell from a Southeast direction (forecast issued at 01:00am April 30). An open ocean swell of 1.1m 12s is not directed at the surf break, a second open ocean swell of 0.5m 6s is not directed at the surf break, a second open ocean swell of 1.2m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (HST) & DateWave HeightWave Period
Morning (30 Apr)1.5ft (0.4m)10s
Afternoon (30 Apr)5ft (1.5m)7s
Evening (30 Apr)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 25°C on Thu afternoon, min 22°C on Thu night). Wind will be generally light.

Thursday
30
Friday
1
Saturday
2
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)
0
0
0
1
2
2
1
1
1
1
1
1
1
2
2
1
2
2
2
2
2
2
2
2
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>
Wave
Height (m)
Direction
Period (s)
0.4
SE
10
0.4
SE
10
0.4
SE
10
1.4
E
6
1.5
E
7
1.5
E
7
1.5
E
7
1.4
E
7
1.5
E
7
1.6
E
7
1.8
E
7
1.8
E
7
1.8
E
7
1.7
E
8
1.5
E
8
1.3
E
8
1.5
E
8
1.5
E
8
1.5
E
8
1.5
E
8
1.5
E
8
1.4
E
8
1.4
E
8
1.3
E
8
Wave Graph
Metric surfscale
Energy kJ
25
25
34
153
204
217
222
179
210
225
311
339
348
319
256
187
249
249
256
270
256
217
217
187
Wind (km/h)
15
NE
20
ENE
20
ENE
15
ENE
15
ENE
15
ENE
20
ENE
20
ENE
20
ENE
20
ENE
20
ENE
20
E
20
E
15
ENE
10
ENE
15
ENE
15
ENE
15
E
15
ENE
10
ENE
10
E
10
ENE
10
ENE
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-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
2:30AM0.23m
3:46PM0.48m
2:56AM0.20m
4:18PM0.49m
3:19AM0.17m
4:50PM0.49m
Low Tide
8:36AM-0.07m
10:28PM0.09m
8:57AM-0.08m
11:13PM0.10m
9:20AM-0.08m
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:07
6:07
6:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:04
7:04
7:05
Temp °C
22
22
23
24
25
25
24
23
23
22
23
25
25
25
23
23
22
22
23
24
25
24
23
23
22
21
22
23
24
24
23
22
22
21
22
24
24
25
23
23
22
21
23
25
26
24
24
24
Swell 1
Height (m)
Direction
Period (s)
1
NW
12
1.1
NW
12
1.2
NNW
12
1
NNW
12
1
NNW
12
1
NNW
13
1
NNW
13
1
NNW
13
1
NNW
12
1.2
N
12
1
NNW
12
1
NNW
12
0.9
NNW
11
0.9
NNW
11
1.1
NW
16
0.9
NW
15
1.1
NW
15
1.4
NW
15
1.3
NW
14
1.2
NW
14
1.1
NW
13
1.1
NW
13
1.1
NW
13
1.1
NW
13
Energy kJ
287
325
365
280
275
346
346
335
304
411
265
256
200
193
581
395
558
784
667
534
458
386
380
363
Swell 2
Height (m)
Direction
Period (s)
0.5
NNE
5
0.5
NNE
5
0.6
NNE
6
0.5
N
8
0.6
NE
6
0.6
N
7
0.6
N
7
0.6
N
7
0.8
NNE
7
0.4
SE
8
0.7
NNE
6
0.7
NE
7
0.7
NE
8
0.8
NW
16
0.8
NNW
11
0.8
NNW
12
0.7
NNW
12
0.6
NE
8
0.6
S
14
0.6
NE
8
0.6
NE
8
0.7
E
7
0.6
S
15
0.6
S
16
Energy kJ
17
17
21
29
33
37
36
34
53
24
37
56
60
318
160
161
123
45
142
36
35
54
155
179
Swell 3
Height (m)
Direction
Period (s)
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.5
NE
6
0.5
N
7
0.6
NE
7
0.4
NE
7
0.4
SE
8
0.4
SE
7
0.3
SSW
15
0.5
SE
8
0.5
SE
8
0.6
NW
18
0.7
NE
8
0.7
NE
8
0.6
NE
8
0.6
NE
8
0.4
SE
9
0.6
NE
8
0.5
S
14
0.5
S
14
0.5
S
14
0.5
NE
7
0.5
NE
7
Energy kJ
25
25
34
17
27
33
18
22
19
42
32
34
252
60
59
46
45
26
46
104
106
106
27
26
Wind waves
Height (m)
Direction
Period (s)
1.1
ENE
6
1.1
E
6
1.4
E
6
1.4
E
6
1.5
E
7
1.5
E
7
1.5
E
7
1.4
E
7
1.5
E
7
1.6
E
7
1.8
E
7
1.8
E
7
1.8
E
7
1.7
E
8
1.5
E
8
1.3
E
8
1.5
E
8
1.5
E
8
1.5
E
8
1.5
E
8
1.5
E
8
1.4
E
8
1.4
E
8
1.3
E
8
Energy kJ
95
83
130
153
204
217
222
179
210
225
311
339
348
319
256
187
249
249
256
270
256
217
217
187
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
1
2
2
2
2
2
2
2
2
2
2
2
1
2
2
2
2
2
2
2
2
Distance (km)
18
153
18
0
0
0
3
6
3
6
6
6
6
0
0
0
0
0
0
0
0
0
0
0
Best forecast wave conditions in Kaua'i
Rating
(10 max)
2
2
2
2
2
2
2
2
2
2
2
2
3
3
4
3
4
3
3
3
2
3
3
Best forecast wave conditions in United States
Rating
(10 max)
2
2
2
2
2
2
2
3
3
4
2
2
3
3
3
4
3
4
3
3
3
3
3
3
Header Global
Rating
(10 max)
5
5
6
6
6
7
7
6
6
5
5
9
5
5
5
5
4
4
4
4
5
4
4
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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