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Surf Forecasts:

Waimea Rivermouth surfForecast / HAW – Kaua'i / USA

information circle48hr Weather and Surf, issued 7 pm Thursday 19 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
24.7° C
 (Which is slightly warmer than usual)

How big are the waves at Waimea Rivermouth today?

The current surf forecast for Waimea Rivermouth at 12AM is: 0.7m 13s primary swell from a South direction and 0.4m 4s secondary swell from a South-southeast direction (forecast issued at 07:00pm March 19). An open ocean swell of 1.0m 10s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (20 Mar)--
Afternoon (20 Mar)2.5ft (0.8m)14s
Evening (20 Mar)2.5ft (0.7m)13s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Thursday
19
Friday
20
Saturday
21
Sunday
22
5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM
Rating
(10 max)
1
1
1
0
0
0
0
0
0
1
0
1
0
0
0
0
1
1
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.8
S
0.7
S
0.7
S
0.8
S
0.7
S
0.7
S
0.7
S
0.7
S
0.6
S
0.6
S
0.6
S
0.4
SSW
0.6
S
0.6
S
0.6
S
0.6
SSW
0.7
SSW
0.7
SSW
0.8
WNW
0.9
WNW
0.4
WSW
0.3
W
0.4
W
0.4
W
Period(s) (?)14131313131313131312121912121218181816163345
Wave
Graph
(?)Metric surfscale
Energy kJ (?)239173171219167167165162116109107145109105103209276273003267
Wind
(km/h)
15
SE
15
ESE
15
SE
15
S
15
S
10
S
15
S
10
SSW
10
WSW
0
NW
5
SE
10
SE
15
SW
15
SSW
10
SSW
20
SSW
10
SW
10
SW
10
SW
10
WSW
10
W
10
W
10
WSW
10
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscrosscross-
on		cross-
on		cross-
on		ononcross-
on		glasscross-
on		crossonononononononcross-
on		crosscrosscross-
on		cross-
on
High Tide
/ height (m)
4:39PM
0.40
4:22AM
0.32
5:24PM
0.44
4:48AM
0.26
6:15PM
0.46
5:11AM
0.20
Low Tide
/ height (m)
10:45PM
0.03
10:38AM
-0.08
11:42PM
0.08
11:05AM
-0.09
12:52AM
0.12
11:37AM
-0.08
Thursday
19
Friday
20
Saturday
21
Sunday
22
Sunrise-----6:41-------6:41-------6:41--
Sunset6:49-------6:49-------6:50-------
light rain
cloud
cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
cloud
cloud
Rain (mm)
2--112232211442531111---
Temp. °C232323232324252425242423232424232423232322232424
Feels °C (?)252425252526272628272725252525232625252524252525
  • 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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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.

View detailed surf forecast for Waimea Rivermouth at:
surf-forecast.com

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