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Surf Forecasts:

Waimea Rivermouth surfForecast / HAW – Kaua'i / USA

information circle48hr Weather and Surf, issued 7 pm Tuesday 17 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
24.6° C
 (Which is slightly warmer than usual)

How big are the waves at Waimea Rivermouth today?

The current surf forecast for Waimea Rivermouth at 4AM is: 0.6m 16s primary swell from a South direction (forecast issued at 07:00pm March 17). An open ocean swell of 2.0m 13s is not directed at the surf break. The wind direction is predicted to be glassy.

Time (HST) & DateWave HeightWave Period
Morning (18 Mar)2.5ft (0.7m)16s
Afternoon (18 Mar)2.5ft (0.8m)16s
Evening (18 Mar)2.5ft (0.8m)15s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
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
0
0
1
2
1
0
0
1
1
0
1
1
0
0
0
1
1
1
1
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.5
S
0.5
S
0.5
S
0.6
S
0.6
S
0.7
S
0.7
S
0.7
S
0.8
S
0.8
S
0.8
S
0.8
S
0.9
S
0.9
S
0.9
S
0.8
S
0.8
S
0.7
S
0.7
S
0.7
S
0.7
S
0.8
S
0.7
S
0.7
S
Period(s) (?)171716161616161615151514141414141413131313131313
Wave
Graph
(?)Metric surfscale
Energy kJ (?)137137132183181248248242302279272268329329325257239173171171167219165162
Wind
(km/h)
0
WNW
5
E
5
ESE
5
ESE
5
ENE
5
E
10
SE
10
SSE
10
SSE
10
SE
10
SE
10
SSE
10
SSE
10
SE
10
SSE
10
SSE
10
SSE
10
SE
10
SE
10
SE
10
SE
10
SE
10
S
10
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glassglasscrosscrossglasscross-
off		cross-
on		cross-
on		cross-
on		crosscrosscross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		crosscross-
on		cross-
on		cross-
on		cross-
on		on
High Tide
/ height (m)
3:17PM
0.30
3:30AM
0.41
3:57PM
0.35
3:56AM
0.37
4:39PM
0.40
4:22AM
0.32
Low Tide
/ height (m)
9:08PM
-0.03
9:51AM
-0.03
9:55PM
-0.00
10:13AM
-0.05
10:45PM
0.03
10:38AM
-0.08
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Sunrise-----6:43-------6:43-------6:41--
Sunset6:47-------6:49-------6:49-------
rain showers
clear
part cloud
part cloud
part cloud
clear
clear
cloud
cloud
cloud
cloud
cloud
cloud
thunderstorm
clear
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
Rain (mm)
1------------1-121----21
Temp. °C232222222222242424232323232325252524242323242425
Feels °C (?)262424242424252525252525262526262727262525262527
  • 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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