Waimea Rivermouth surfForecast / HAW – Kaua'i / USA

information circle48hr Weather and Surf, issued 7 pm Saturday 17 Jan 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
25.1° 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: 0.4m 7s primary swell from a Southeast direction (forecast issued at 07:00pm January 17). An open ocean swell of 1.4m 12s is not directed at the surf break, a second open ocean swell of 0.9m 13s is not directed at the surf break, a second open ocean swell of 1.4m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (HST) & DateWave HeightWave Period
Morning (18 Jan)--
Afternoon (18 Jan)0.5ft (0.2m)14s
Evening (18 Jan)0.5ft (0.2m)12s

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

Updates in  hr  min  s Forecast update imminent
Saturday
17
Sunday
18
Monday
19
Tuesday
20
5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM
Rating
(10 max)
0
0
0
0
0
1
0
2
0
0
0
0
1
1
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.2
SSE
0.2
SSE
0.4
SE
1.4
N
0.3
S
1.3
E
1.2
ESE
0.4
SSE
0.4
SSE
0.4
SE
0.5
SE
0.5
SE
0.8
E
0.8
E
0.5
SE
0.4
SSE
0.4
SSE
0.4
SSE
0.4
SSE
0.4
SSE
0.5
SE
0.5
SE
0.5
SE
0.5
SE
Period(s) (?)121271218661716899668888888888
Wave
Graph
(?)Metric surfscale
Energy kJ (?)14141105513011910491253739535335272626272832313131
Wind
(km/h)
15
ENE
20
ENE
15
ENE
20
ENE
15
E
15
E
15
ESE
15
E
10
ESE
10
E
10
ENE
10
ENE
10
E
10
ESE
10
SE
15
SSE
10
S
5
E
5
ENE
5
E
5
ENE
5
ESE
5
SSE
10
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscross-
off
crosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscross-
on
cross-
on
glasscross-
off
cross-
off
glasscrosscross-
on
on
High Tide
/ height (m)
2:55PM
0.14
4:14AM
0.54
3:31PM
0.15
4:43AM
0.54
4:11PM
0.16
5:11AM
0.53
Low Tide
/ height (m)
8:40PM
-0.09
11:27AM
0.07
9:16PM
-0.09
11:49AM
0.07
9:51PM
-0.07
12:12PM
0.06
Saturday
17
Sunday
18
Monday
19
Tuesday
20
Sunrise-----7:18-------7:18-------7:18--
Sunset6:16-------6:17-------6:19-------
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
clear
clear
part cloud
part cloud
cloud
part cloud
clear
part cloud
part cloud
clear
clear
Rain (mm)
------------------------
Temp. °C232221212121232323222121212224242322222221222424
Feels °C (?)211919181819212122222021202223232323232221222423
  • 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

Latest Updates

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.


Nearest locationNearest
Nearest locationNearest
Nearest locationNearest