Aha Rivermouth Surf Break

Lat Long: 26.72° N 128.30° E

Aha Rivermouth 48 hour detailed Surf Forecast

Issued: 8 am 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):

  • Morning surf: Morning surf (20 Aug, local time) - 5ft (1.6m), 8s period with ESE swell.
  • Afternoon surf: Afternoon surf (20 Aug, local time) - 5ft (1.6m), 7s period with ESE swell.
  • Evening surf: Evening surf (20 Aug, local time) - 5.5ft (1.7m), 9s period with SE swell.

The current surf forecast for Aha Rivermouth at 11AM is: 1.7m 7s primary swell from a East-southeast direction (forecast issued at 08:00am August 20). An open ocean swell of 0.8m 10s 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)5ft (1.6m)8s
Afternoon (20 Aug)5ft (1.6m)7s
Evening (20 Aug)5.5ft (1.7m)9s

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


Short Range Forecast

Moderate rain (total 16mm), heaviest on Thu morning. Warm (max 28°C on Thu morning, min 27°C on Thu night). Mainly strong winds.

Thursday
20
Friday
21
Saturday
22
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
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
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.7
ESE
8
1.6
ESE
8
1.7
ESE
7
1.6
ESE
7
1.3
ESE
7
1.7
SE
9
2.2
SE
6
2.3
SE
7
0.2
ESE
10
1.9
SE
8
1.9
SE
6
2.5
SE
8
3
SE
8
0.3
ENE
8
2.5
SSE
9
3
SSE
9
0.1
NE
9
1.9
ESE
6
2
ESE
6
3
SSE
9
0.1
E
14
1.5
ESE
6
Wave Graph
Metric surfscale
Energy kJ
373
270
294
216
161
430
398
574
10
427
306
735
985
14
0
0
3
266
325
0
4
177
Wind (km/h)
30
SE
30
SE
30
SE
30
SE
25
ESE
30
ESE
40
SE
35
SE
35
SE
35
SE
45
SE
40
SE
45
SE
40
SE
40
SE
40
ESE
40
ESE
40
ESE
40
ESE
40
ESE
40
ESE
40
ESE
Wind State
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
High Tide
11:35AM1.41m
10:59PM1.71m
1:42PM1.30m
11:43PM1.60m
5:29PM1.41m
Low Tide
5:24AM0.74m
4:36PM1.10m
6:35AM0.81m
4:55PM1.26m
8:22AM0.83m
7:56PM1.39m
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
clear
clear
clear
clear
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:00
6:00
6:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:59
6:59
6:58
 mm
1
1
1
1
1
1
1
1
1
1
1
1
1
Temp °C
28
28
28
28
28
28
27
27
27
27
27
27
27
27
27
27
27
27
28
28
28
27
Feels °C
30
29
29
29
30
29
25
26
26
26
25
24
24
25
25
25
25
25
27
27
27
26
  • 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 

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