Aha Rivermouth Surf Break

Lat Long: 26.72° N 128.30° E

Japan Surf

Issued: 8 pm 16 Jul 2026 (local time)

Forecast update in  hr  min

Today's Aha Rivermouth sea temperature is
25.8° C
0.3° 

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

Detailed Japan surf forecast maps and the latest eyeball surf report from local surfers in the region. Near-shore swell is shown on the map together with the surf forecast rating for spots in Japan. Find the best places to surf in offshore conditions by selecting the wind option on the forecast map. Windsurfers and kite surfers can also use this option to find more favorable cross-shore conditions in Japan. Our local Wavefinder indicates where some of the best conditions are likely to be found in Japan over the next 7 days. Surf photos from Japan and reviews of the best spots and surfing conditions have been provided by local surfers.

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Japan Wavefinder

Friday
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Best forecast wave conditions in
Rating
(10 max)
2
1
1
1
1
1
1
2
2
2
2
2
2
3
3
2
2
1
2
Wave
Height (m)
Direction
Period (s)
1
ESE
9
0.8
E
8
0.5
E
9
0.5
E
10
0.6
E
9
0.9
ESE
9
1
E
9
1.1
ESE
9
1.2
ESE
9
1.1
E
9
1.1
E
9
1
E
9
1.2
E
10
1.5
ENE
11
1.6
ENE
11
1.1
E
10
1
E
10
0.9
E
10
1
E
10
Energy kJ
162
92
42
45
58
135
180
211
248
194
190
150
277
494
561
242
196
159
200
Wind (km/h)
5
SW
15
SSE
5
SE
5
WNW
5
SE
15
SSE
10
S
10
SSE
15
SSE
5
SSW
5
ESE
20
SSW
15
SW
10
WSW
15
WSW
15
SSW
5
SSW
15
SSW
5
WSW
Wind State
glassy
cross-off
glassy
glassy
glassy
cross-off
cross-off
cross-off
off
cross-off
glassy
off
cross-off
cross-off
cross-off
cross-off
glassy
cross-off
glassy
High Tide
5:07AM1.50m
8:29PM2.09m
7:52AM2.04m
7:29PM1.42m
6:57AM1.28m
7:54PM1.41m
9:00AM1.35m
8:19PM1.40m
10:04AM1.24m
8:46PM1.39m
10:25AM1.01m
9:46PM1.34m
Low Tide
00:17AM0.85m
1:56PM0.22m
2:12AM0.92m
12:55PM0.23m
1:16AM0.71m
1:26PM0.39m
2:06AM0.64m
3:09AM0.80m
1:54PM0.56m
3:00AM0.58m
4:08AM0.77m
3:29PM0.90m
4:00AM0.54m
2:39PM0.87m
part cloud
thunderstorm
cloud
thunderstorm
clear
part cloud
part cloud
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
rain showers
thunderstorm
thunderstorm
 mm
2
2
2
2
1
Max °C
27
27
29
28
29
27
25
27
26
25
26
27
26
27
27
27
29
29
27
Min °C
26
27
28
27
28
26
25
26
26
24
25
26
25
26
27
26
28
28
25
Chill °C
27
27
29
28
29
27
25
27
26
25
26
27
26
27
27
27
29
29
27
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:35
5:20
4:37
4:45
4:45
4:39
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:19
6:52
6:51
6:51
6:46
6:50
Nearest locationNearest