Waimea Rivermouth surfForecast / HAW – Kaua'i / USA

information circle48hr Weather and Surf, issued 1 am Wednesday 04 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 6AM is: 1.4m 6s primary swell from a East direction and 0.7m 9s secondary swell from a Southeast direction (forecast issued at 01:00am March 04). An open ocean swell of 0.8m 11s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (HST) & DateWave HeightWave Period
Morning (04 Mar)4.5ft (1.3m)7s
Afternoon (04 Mar)4.5ft (1.3m)8s
Evening (04 Mar)4.5ft (1.3m)8s

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


Updates in  hr  min  s Forecast update imminent
Wednesday
04
Thursday
05
Friday
06
11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM
Rating
(10 max)
0
1
1
1
1
1
1
2
2
1
1
0
0
1
1
1
1
1
1
1
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.7
SE
1.4
E
1.4
E
1.3
E
1.3
E
1.3
E
1.7
ESE
1.3
E
1.5
E
0.9
SE
0.8
SSE
0.8
SSE
0.8
SSE
1.2
SE
0.8
SSE
0.8
SSE
0.9
SSE
0.9
SSE
0.8
SSE
0.8
SSE
0.6
SSE
0.6
SSE
0.6
SSE
0.6
SSE
Period(s) (?)8667788889999991098777777
Wave
Graph
(?)Metric surfscale
Energy kJ (?)66153153154168187327198259123106108106216110115130101625635364042
Wind
(km/h)
25
E
20
E
20
E
20
E
20
E
15
ESE
15
ESE
15
E
15
E
10
ENE
10
ESE
10
ESE
15
SSE
5
S
10
E
5
NE
5
NNE
5
E
5
E
10
ENE
10
E
10
E
5
NE
5
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscrosscross-
off
cross-
off
cross-
off
cross-
off
crosscross-
on
oncross-
off
glassglassglassglasscross-
off
crosscross-
off
glasscross
High Tide
/ height (m)
4:24AM
0.41
4:53PM
0.34
4:46AM
0.35
5:34PM
0.36
5:05AM
0.30
6:16PM
0.37
Low Tide
/ height (m)
10:01PM
-0.02
10:46AM
-0.02
10:44PM
0.03
11:05AM
-0.03
11:28PM
0.08
11:25AM
-0.04
Wednesday
04
Thursday
05
Friday
06
Sunrise---6:56-------6:56-------6:54----
Sunset------6:43-------6:44-------6:44-
clear
part cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
thunderstorm
Rain (mm)
-----------------------1
Temp. °C222222232425242322222223252423232323222324242423
Feels °C (?)202121232426242322232324262625262626242525252725
  • 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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