Aha Rivermouth Surf Break

Lat Long: 26.72° N 128.30° E

Aha Rivermouth 48 hour detailed Surf Forecast

Issued: 8 pm 20 Aug 2026 (local time)

Forecast update in  hr  min

Today's Aha Rivermouth sea temperature is
28.5° C
0.2° 

Aha 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 Aha Rivermouth today (20 Aug):

  • Evening surf: Evening surf (20 Aug, local time) - 5ft (1.5m), 7s period with ESE swell.

The current surf forecast for Aha Rivermouth at 11PM is: 2.0m 7s primary swell from a Southeast direction (forecast issued at 08:00pm August 20). An open ocean swell of 0.1m 9s is not directed at the surf break, a second open ocean swell of 0.1m 9s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (JST) & DateWave HeightWave Period
Morning (20 Aug)--
Afternoon (20 Aug)--
Evening (20 Aug)5ft (1.5m)7s

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


Short Range Forecast

Moderate rain (total 12mm), heaviest on Thu night. Warm (max 28°C on Thu night, min 27°C on Thu night). Mainly strong winds.

Thu
20
Friday
21
Saturday
22
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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
ESE
7
1.5
ESE
7
2
SE
7
2
SE
7
2
SE
7
1.7
ESE
6
0.4
ENE
8
3
SSE
8
0.3
ENE
9
0.3
ENE
9
0.3
ENE
9
0.3
ENE
9
2.5
SSE
9
0.3
ENE
9
0.1
NE
9
0.2
ENE
9
0.2
E
9
0.3
ESE
10
Wave Graph
Metric surfscale
Energy kJ
157
189
335
347
342
213
22
0
16
16
16
16
0
16
3
8
6
20
Wind (km/h)
30
ESE
30
SE
35
SE
35
SE
40
ESE
45
SE
45
SE
45
SE
45
SE
40
SE
40
SE
40
SE
40
ESE
40
ESE
40
ESE
40
SE
35
SE
35
SE
Wind State
cross
cross
cross
cross
cross
cross
cross-off
cross-off
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
High Tide
10:59PM1.71m
1:42PM1.30m
11:43PM1.60m
5:29PM1.41m
Low Tide
4:36PM1.10m
6:35AM0.81m
4:55PM1.26m
8:22AM0.83m
7:56PM1.39m
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
part cloud
thunderstorm
clear
clear
clear
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:00
6:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:59
6:59
6:58
 mm
2
1
1
1
1
1
1
1
1
1
Temp °C
28
28
28
28
27
27
27
27
27
27
28
27
27
28
28
28
28
28
Feels °C
29
29
28
28
25
24
24
24
24
25
27
25
25
27
27
27
28
28
  • 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 Aha 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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