Waimea Rivermouth surfForecast / HAW – Kaua'i / USA

information circle48hr Weather and Surf, issued 1 pm Wednesday 08 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
24.0° 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 8PM is: 0.8m 16s primary swell from a South-southwest direction and 0.5m 8s secondary swell from a Southeast direction (forecast issued at 01:00pm April 08). An open ocean swell of 1.3m 12s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (HST) & DateWave HeightWave Period
Morning (08 Apr)2ft (0.6m)17s
Afternoon (08 Apr)2.5ft (0.8m)16s
Evening (08 Apr)2.5ft (0.8m)16s

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


Updates in  hr  min  s Forecast update imminent
Wednesday
08
Thursday
09
Friday
10
Saturday
11
11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM
Rating
(10 max)
0
1
1
0
0
0
0
0
0
0
0
0
0
3
3
3
2
0
1
1
0
0
1
1
Swell
Height Map
Wave Height (m) & direction (?)
0.6
S
0.8
SSW
0.8
SSW
0.8
SSW
0.6
S
0.8
S
0.8
S
2.5
SSE
2.5
S
3
S
2.5
S
3.5
S
2.5
S
2.4
S
2.1
S
1.9
S
1.7
S
1.7
S
1.6
S
1.4
S
0.9
SE
0.8
SE
0.7
S
0.7
S
Period(s) (?)171616161616157888999888888881413
Wave
Graph
(?)Metric surfscale
Energy kJ (?)2023413413411883222877109701142973191511049166264763923923472609877187171
Wind
(km/h)
10
SSE
10
SSE
10
SE
20
SE
25
SE
25
SE
30
SSE
40
SSE
40
SSE
40
SSE
40
S
35
SSE
30
SW
15
W
5
SSE
0
SSW
10
SW
15
W
15
W
10
WSW
5
WSW
10
WNW
10
W
10
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
on
crosscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
oncross-
on
oncrossglassglassoncross-
on
cross-
on
cross-
on
cross-
on
crosscross-
on
cross
High Tide
/ height (m)
9:32PM
0.36
10:48PM
0.36
11:31AM
0.08
11:48PM
0.37
Low Tide
/ height (m)
12:15PM
0.01
1:18PM
0.04
7:46AM
0.06
3:39PM
0.06
7:38AM
0.05
Wednesday
08
Thursday
09
Friday
10
Saturday
11
Sunrise-------6:24-------6:22-------6:22
Sunset--6:55-------6:55-------6:55-----
clear
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
heavy rain
thunderstorm
thunderstorm
thunderstorm
heavy rain
mod rain
heavy rain
rain showers
clear
clear
clear
clear
part cloud
part cloud
clear
clear
Rain (mm)
--31315142419172237306191--------
Temp. °C252523242222222222222222211920212324232322222222
Feels °C (?)262625242222211819181920181823242523222424222322
  • 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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