Waimea Rivermouth surfForecast / HAW – Kaua'i / USA

information circle48hr Weather and Surf, issued 7 pm Friday 01 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
24.7° 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 3AM is: 1.4m 8s primary swell from a East direction (forecast issued at 07:00pm May 01). An open ocean swell of 1.2m 15s is not directed at the surf break, a second open ocean swell of 0.7m 12s 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 (02 May)4.5ft (1.3m)8s
Afternoon (02 May)5ft (1.5m)8s
Evening (02 May)4.5ft (1.3m)8s

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 Sun morning, min 22°C on Fri night). Wind will be generally light.

Fri
1
Saturday
2
Sunday
3
Mon
4
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)
2
2
2
2
2
2
2
2
2
2
2
2
2
2
1
2
2
2
2
2
2
2
1
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>
<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)
1.6
E
8
1.5
E
8
1.4
E
8
1.4
E
7
1.4
E
8
1.3
E
8
1.3
E
8
1.5
E
8
1.4
E
8
1.4
E
8
0.6
S
16
1.1
E
8
1.2
E
8
1.1
E
8
0.5
S
13
1.1
E
8
1.1
E
8
1.2
E
8
1.2
E
8
1.1
E
8
1.1
E
8
1.1
E
8
1.1
E
8
1.1
E
8
Wave Graph
Metric surfscale
Energy kJ
291
253
221
215
217
187
193
255
216
217
179
138
163
149
90
153
150
182
182
153
152
144
138
135
Wind (km/h)
10
ENE
15
ENE
15
ENE
15
ENE
15
ENE
15
ENE
10
ENE
10
E
10
ENE
10
NE
10
ENE
10
ENE
15
NE
10
ENE
10
E
10
ENE
10
ENE
15
ENE
15
ENE
15
ENE
10
ENE
10
ENE
10
ESE
10
ENE
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
cross-off
glassy
off
cross-off
cross-off
cross-off
cross-off
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-off
High Tide
4:18PM0.49m
3:19AM0.17m
4:50PM0.49m
3:42AM0.14m
5:25PM0.48m
4:01AM0.12m
Low Tide
11:13PM0.10m
9:20AM-0.08m
00:01AM0.10m
9:45AM-0.07m
00:55AM0.10m
10:12AM-0.06m
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:05
6:05
6:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:04
7:05
7:05
7:05
Temp °C
25
24
23
23
22
23
24
24
24
23
23
22
22
23
25
25
25
24
23
22
22
23
25
24
25
24
23
23
22
23
25
25
25
24
24
23
22
24
26
26
26
24
23
22
23
24
26
25
Swell 1
Height (m)
Direction
Period (s)
0.9
NE
8
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
0.9
NW
12
0.9
NW
12
0.9
NW
12
0.9
NW
12
0.9
NW
12
0.8
NW
11
0.8
NW
11
0.8
NW
11
0.7
NW
11
0.7
NW
11
1.1
NW
13
1.2
NW
13
1.3
NW
12
Energy kJ
86
581
395
558
784
667
534
458
386
380
363
248
240
240
236
232
177
171
168
116
114
374
473
494
Swell 2
Height (m)
Direction
Period (s)
0.9
NNW
11
0.8
NNW
11
0.8
NNW
12
0.7
NNW
12
0.6
NE
7
0.6
S
14
0.6
NE
7
0.6
NNE
7
0.5
NE
7
0.6
S
15
0.6
S
16
0.5
S
16
0.5
S
13
0.5
S
16
0.5
S
13
0.6
S
14
0.6
S
14
0.6
S
14
0.6
S
14
0.6
S
14
0.5
S
14
0.5
S
14
0.5
S
13
0.5
S
13
Energy kJ
197
160
161
119
43
142
44
37
27
155
179
131
90
131
90
138
150
150
153
150
104
98
90
89
Swell 3
Height (m)
Direction
Period (s)
0.7
NW
16
0.7
NE
8
0.7
NE
7
0.6
NE
7
0.4
SSW
16
0.6
NE
7
0.5
S
14
0.5
S
14
0.5
S
14
0.6
NE
7
0.5
NE
7
0.5
NE
7
0.5
S
16
0.5
S
13
0.4
NE
7
0.4
NE
7
0.5
NE
7
0.4
NNE
4
0.3
NNE
4
0.4
NNE
8
0.5
NW
13
0.4
NE
7
0.4
NE
6
0.4
NE
6
Energy kJ
260
59
56
43
85
44
104
106
106
33
26
25
132
86
19
19
27
6
3
23
88
14
14
13
Wind waves
Height (m)
Direction
Period (s)
1.6
E
8
1.5
E
8
1.4
E
8
1.4
E
7
1.4
E
8
1.3
E
8
1.3
E
8
1.5
E
8
1.4
E
8
1.4
E
8
1.2
E
8
1.1
E
8
1.2
E
8
1.1
E
8
1
E
8
1.1
E
8
1.1
E
8
1.2
E
8
1.2
E
8
1.1
E
8
1.1
E
8
1.1
E
8
1.1
E
8
1.1
E
8
Energy kJ
291
253
221
215
217
187
193
255
216
217
160
138
163
149
127
153
149
182
182
153
152
144
138
135
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
2
2
2
2
2
2
2
2
2
2
2
1
2
2
2
2
2
2
2
2
2
Distance (km)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
0
Best forecast wave conditions in Kaua'i
Rating
(10 max)
3
3
3
4
4
3
2
3
3
3
3
2
2
3
1
2
2
2
2
2
2
3
3
2
Best forecast wave conditions in United States
Rating
(10 max)
3
3
3
4
4
3
3
3
3
3
3
2
2
3
2
4
4
3
2
3
3
3
3
3
Header Global
Rating
(10 max)
5
5
5
4
4
4
4
4
4
4
4
4
5
4
4
4
4
4
5
5
5
4
5
4
  • 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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