Waimea Rivermouth Surf Break

Lat Long: 21.95° N 159.67° W

Waimea Rivermouth 48 hour detailed Surf Forecast

Issued: 7 pm 13 Aug 2026 (local time)

Forecast update in  hr  min

Today's Waimea Rivermouth sea temperature is
27.1° C
0.3° 

Waimea Rivermouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Waimea Rivermouth today (14 Aug):

  • Afternoon surf: Afternoon surf (14 Aug, local time) - 4.5ft (1.3m), 16s period with S swell.
  • Evening surf: Evening surf (14 Aug, local time) - 4ft (1.2m), 15s period with S swell.

The current surf forecast for Waimea Rivermouth at 12AM is: 1.2m 15s primary swell from a South direction and 1.5m 7s secondary swell from a East direction (forecast issued at 07:00pm August 13). An open ocean swell of 0.4m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 3.

Time (HST) & DateWave HeightWave Period
Morning (14 Aug)--
Afternoon (14 Aug)4.5ft (1.3m)16s
Evening (14 Aug)4ft (1.2m)15s

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


Short Range Forecast

Light rain (total 9mm), mostly falling on Sun afternoon. Warm (max 28°C on Fri afternoon, min 25°C on Thu night). Winds increasing (light winds from the ENE on Thu night, strong winds from the ENE by Sun afternoon).

Thu
13
Friday
14
Saturday
15
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
3
3
3
3
3
3
3
3
3
3
2
3
3
3
3
3
3
3
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.3
S
15
1.2
S
15
1.2
S
15
1.2
S
15
1.2
S
15
1.2
S
15
1.1
S
15
1.1
S
14
1
S
14
1
S
14
1
S
14
1
S
14
1.8
E
8
1.9
E
8
1.8
E
8
2
E
9
2.3
E
9
2.4
E
10
2.5
E
9
Wave Graph
Metric surfscale
Energy kJ
794
631
623
623
623
614
510
496
411
405
405
394
439
513
443
637
865
1021
1085
Wind (km/h)
10
NE
10
ENE
15
ENE
10
NE
15
ENE
15
NE
10
ENE
10
ENE
10
ENE
10
ENE
15
ENE
15
ENE
10
NE
10
NE
10
ENE
15
NE
15
NE
20
NE
15
NE
Wind State
off
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
4:42PM0.59m
4:51AM0.34m
5:12PM0.53m
5:42AM0.37m
5:39PM0.46m
Low Tide
11:24PM0.09m
10:32AM0.05m
11:48PM0.08m
11:20AM0.12m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:15
6:16
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:10
7:09
7:08
 mm
Temp °C
27
26
25
25
25
26
27
28
28
26
25
25
25
26
27
28
28
27
26
Feels °C
29
29
26
26
26
27
28
29
29
27
25
26
27
28
28
29
29
28
27
  • 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
How to use the Wavefinder 

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.


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