Waimea Rivermouth surfForecast / HAW – Kaua'i / USA

information circle48hr Weather and Surf, issued 1 pm Tuesday 31 Mar 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 5PM is: 0.4m 6s primary swell from a Southeast direction (forecast issued at 01:00pm March 31). An open ocean swell of 1.7m 11s is not directed at the surf break, a second open ocean swell of 1.5m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (HST) & DateWave HeightWave Period
Morning (31 Mar)1ft (0.3m)12s
Afternoon (31 Mar)1.5ft (0.4m)6s
Evening (31 Mar)1ft (0.3m)12s

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


Updates in  hr  min  s Forecast update imminent
Tuesday
31
Wednesday
01
Thursday
02
Friday
03
11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM
Rating
(10 max)
0
0
0
0
0
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.4
SE
0.4
SE
0.4
SE
0.3
S
0.3
S
1.4
E
1.2
E
1
E
0.9
E
0.4
SE
0.3
S
0.3
S
0.5
SE
0.3
S
0.3
S
0.3
S
0.3
S
0.3
SE
0.4
SE
0.3
SE
0.3
SE
0.4
SE
0.3
SE
0.3
SE
Period(s) (?)115612126666101111911111111810101071010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)407825241481097861262222372121212111371616141617
Wind
(km/h)
15
ENE
20
ENE
20
ENE
20
ENE
20
ENE
20
ENE
15
ENE
10
NE
10
ENE
15
ENE
15
ENE
20
ENE
20
ENE
20
ENE
15
ENE
15
ENE
10
ENE
10
E
15
NE
15
ENE
15
ENE
15
ENE
10
NE
10
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
glasscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
glasscross-
off
offcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
3:25PM
0.36
3:16AM
0.34
4:01PM
0.40
3:40AM
0.29
4:35PM
0.43
4:01AM
0.25
Low Tide
/ height (m)
9:11AM
-0.04
9:23PM
0.02
9:29AM
-0.05
10:08PM
0.05
9:47AM
-0.06
10:52PM
0.07
Tuesday
31
Wednesday
01
Thursday
02
Friday
03
Sunrise-------6:31-------6:30-------6:28
Sunset--6:52-------6:52-------6:53-----
part cloud
part cloud
part cloud
clear
clear
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
Rain (mm)
------------------------
Temp. °C232322212120202123232322212121212322222221212121
Feels °C (?)222120181917182023222220201920192322212120212121
  • 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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