Waimea Rivermouth surfForecast / HAW – Kaua'i / USA

information circle48hr Weather and Surf, issued 1 pm Wednesday 28 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
24.9° C
(Which is slightly warmer than usual)


How big are the waves at Waimea Rivermouth today?

The current surf forecast for Waimea Rivermouth at 7PM is: 0.4m 13s primary swell from a South-southwest direction and 0.3m 3s secondary swell from a South-southwest direction (forecast issued at 01:00pm January 28). An open ocean swell of 1.3m 13s is not directed at the surf break, a second open ocean swell of 0.6m 16s is not directed at the surf break. The wind direction is predicted to be onshore.

Time (HST) & DateWave HeightWave Period
Morning (28 Jan)1.5ft (0.5m)14s
Afternoon (28 Jan)1.5ft (0.4m)14s
Evening (28 Jan)1.5ft (0.4m)13s

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

Updates in  hr  min  s Forecast update imminent
Wednesday
28
Thursday
29
Friday
30
Saturday
31
11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM
Rating
(10 max)
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
Swell
Height Map
Wave Height (m) & direction (?)
0.4
SSW
0.4
SSW
0.4
SSW
0.4
SSW
0.4
SSW
0.9
WNW
1.2
NW
1.7
NW
0.4
S
0.4
SSE
0.4
SSE
0.4
SSE
0.4
SE
0.4
SE
2.4
NW
0.3
SE
0.2
S
0.3
SSE
0.5
ESE
0.5
E
0.4
S
0.4
S
0.4
S
0.4
S
Period(s) (?)1414131313151716131312129914812128815141414
Wave
Graph
(?)Metric surfscale
Energy kJ (?)66636059580005254544926190111128373467656361
Wind
(km/h)
15
SSW
15
SSW
10
SW
5
SW
5
WSW
5
WSW
5
SW
0
S
10
SSW
10
SW
10
WSW
5
NW
10
NNW
10
NNW
10
N
10
NNE
10
NNE
10
N
5
NNE
10
ENE
10
NE
5
NE
10
ENE
10
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
onononglasscross-
on
cross-
on
glassglassononcross-
on
cross-
off
cross-
off
cross-
off
cross-
off
offoffoffoffcross-
off
offglasscross-
off
cross-
off
High Tide
/ height (m)
11:06AM
0.11
1:54AM
0.57
12:55PM
0.11
2:38AM
0.60
1:59PM
0.13
3:19AM
0.61
Low Tide
/ height (m)
9:46AM
0.11
5:52PM
-0.08
9:52AM
0.08
6:51PM
-0.10
10:13AM
0.06
7:45PM
-0.12
Wednesday
28
Thursday
29
Friday
30
Saturday
31
Sunrise-------7:16-------7:16-------7:16
Sunset--6:24-------6:24-------6:25-----
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
Rain (mm)
------------------------
Temp. °C242525232323222325262524232322222323232221212121
Feels °C (?)252627262626252727272626242423232424252322222221
  • 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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