Waimea Rivermouth surfForecast / HAW – Kaua'i / USA

information circle48hr Weather and Surf, issued 7 pm Thursday 09 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
24.2° 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: 3.0m 8s primary swell from a South-southwest direction and 0.7m 16s secondary swell from a South direction, 2.5m 8s secondary swell from a Southwest direction (forecast issued at 07:00pm April 09). The wind direction is predicted to be cross-onshore and the swell rating is 11.

Time (HST) & DateWave HeightWave Period
Morning (10 Apr)8ft (2.5m)8s
Afternoon (10 Apr)6ft (1.9m)8s
Evening (10 Apr)5ft (1.5m)8s

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


Updates in  hr  min  s Forecast update imminent
Thursday
09
Friday
10
Saturday
11
Sunday
12
5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM
Rating
(10 max)
0
0
0
!
3
4
1
2
2
2
2
1
1
2
1
0
0
1
1
1
0
0
0
1
Swell
Height Map
Wave Height (m) & direction (?)
1.9
S
2.4
S
3
S
3
SSW
2.1
SSW
2.5
S
1.5
SSE
1.9
S
1.7
S
1.5
S
1.1
SSW
0.9
SE
0.8
SSE
0.7
S
0.6
S
0.6
S
0.6
S
0.6
S
0.6
S
0.6
S
0.6
S
0.5
S
0.5
S
0.4
SSW
Period(s) (?)88888888888881313131313131312121214
Wave
Graph
(?)Metric surfscale
Energy kJ (?)419636116910976307843214763642951519772171125125125125123115108737378
Wind
(km/h)
25
SSE
35
S
40
S
20
SW
10
WSW
5
NW
20
WNW
15
WNW
15
WNW
5
NW
5
NW
5
NW
5
NNW
0
W
5
WSW
10
WSW
5
W
5
NNW
5
N
0
SSW
10
SSE
10
SE
5
SW
5
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
ononcross-
on
cross-
on
cross-
off
crosscrosscrosscross-
off
glassglassglassglassglasscross-
on
cross-
on
glassglassglasscross-
on
crosscross-
on
glass
High Tide
/ height (m)
10:48PM
0.36
11:31AM
0.08
11:48PM
0.37
12:32PM
0.13
12:32AM
0.38
1:11PM
0.19
Low Tide
/ height (m)
7:46AM
0.06
3:39PM
0.06
7:38AM
0.05
5:19PM
0.06
7:44AM
0.03
Thursday
09
Friday
10
Saturday
11
Sunday
12
Sunrise-----6:22-------6:22-------6:20--
Sunset6:55-------6:55-------6:57-------
thunderstorm
thunderstorm
thunderstorm
thunderstorm
heavy rain
heavy rain
heavy rain
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
light rain
light rain
light rain
cloud
light rain
Rain (mm)
203023302429132-----------211-1
Temp. °C222222222121222324222221212223242423232020212121
Feels °C (?)211919232324222324242422222323242524252221232324
  • 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.


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