Waimea Rivermouth surfForecast / HAW – Kaua'i / USA

information circle48hr Weather and Surf, issued 7 pm Thursday 29 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 3AM is: 0.3m 9s primary swell from a Southeast direction (forecast issued at 07:00pm January 29). An open ocean swell of 2.5m 14s is not directed at the surf break, a second open ocean swell of 1.2m 15s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (HST) & DateWave HeightWave Period
Morning (30 Jan)1ft (0.3m)8s
Afternoon (30 Jan)1ft (0.3m)12s
Evening (30 Jan)1ft (0.3m)12s

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

Updates in  hr  min  s Forecast update imminent
Thursday
29
Friday
30
Saturday
31
Sunday
01
5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
2
0
1
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.4
SSE
0.4
SSE
0.3
S
0.3
SE
2.4
NW
0.3
SE
0.2
S
0.3
SSE
0.3
SSE
0.3
SSE
0.4
S
0.4
S
0.4
S
0.4
S
0.4
S
0.4
S
0.9
ESE
0.3
SSW
0.3
SSW
0.3
SSW
0.3
SSW
0.3
SSW
0.3
SSW
0.3
SSW
Period(s) (?)121212914812121212151414141414814131313131313
Wave
Graph
(?)Metric surfscale
Energy kJ (?)50492612011112828276765636160599936353434343434
Wind
(km/h)
10
W
10
WNW
10
NW
5
N
10
NNE
15
NNE
10
N
5
N
5
N
10
NE
10
ENE
10
NE
10
NE
5
ENE
5
ESE
5
SE
5
ESE
5
E
5
E
5
ESE
5
S
5
SSW
10
SW
15
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
crosscross-
off
cross-
off
offoffoffcross-
off
offcross-
off
cross-
off
offoffglassglassglassglassglassglassglassglassononon
High Tide
/ height (m)
2:38AM
0.60
1:59PM
0.13
3:19AM
0.61
2:50PM
0.16
3:57AM
0.59
Low Tide
/ height (m)
6:51PM
-0.10
10:13AM
0.06
7:45PM
-0.12
10:37AM
0.05
8:33PM
-0.13
11:02AM
0.04
Thursday
29
Friday
30
Saturday
31
Sunday
01
Sunrise-----7:16-------7:16-------7:16--
Sunset6:24-------6:25-------6:27-------
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
------------------------
Temp. °C252423232322242424222121212123242322212121212424
Feels °C (?)262625252523252626232122222224262524232323232524
  • 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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