Aha Rivermouth surfForecast / Okinawa / Japan

information circle48hr Weather and Surf, issued 2 am Wednesday 22 Apr 2026 JST
Forecast update in hr  min  s Forecast update imminent
Aha Rivermouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Aha Rivermouth sea temperature is
24.2° C
(Which is normal for this time of year)

How big are the waves at Aha Rivermouth today?

The current surf forecast for Aha Rivermouth at 8AM is: 0.9m 11s primary swell from a East-northeast direction and 0.7m 7s secondary swell from a North direction (forecast issued at 02:00am April 22). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (22 Apr)3ft (0.9m)11s
Afternoon (22 Apr)2.5ft (0.8m)11s
Evening (22 Apr)2.5ft (0.8m)10s

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


Updates in  hr  min  s Forecast update imminent
Wednesday
22
Thursday
23
Friday
24
0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM
Rating
(10 max)
1
1
1
1
1
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1
E
1
E
0.9
ENE
0.9
ENE
0.9
ENE
0.8
ENE
0.8
ENE
0.8
ENE
0.7
ENE
0.7
ENE
0.7
ENE
0.6
ENE
0.6
ENE
0.6
ENE
0.5
E
0.5
E
0.5
E
0.5
E
0.9
NNW
1
N
0.9
N
0.9
N
1
N
1.1
N
Period(s) (?)111111111111101010101010101010101010888888
Wave
Graph
(?)Metric surfscale
Energy kJ (?)26024420219819415314413910610610478787851525353921219395124165
Wind
(km/h)
10
ESE
15
SSE
20
S
20
S
25
S
25
SSW
20
SSW
20
SSW
25
SSW
30
SSW
30
SSW
30
SSW
35
SW
25
WNW
25
WNW
20
NW
15
NW
20
NW
15
NNW
15
NNW
10
NNW
15
N
15
N
15
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offoffcross-
off
offoffoffoffcross-
off
cross-
off
crosscrosscrosscross-
on
cross-
on
crosscross-
on
cross-
on
cross-
on
High Tide
/ height (m)
10:01PM
1.57
9:09AM
1.73
11:05PM
1.44
9:58AM
1.58
12:34AM
1.37
11:13AM
1.43
Low Tide
/ height (m)
3:22AM
0.84
4:14PM
0.15
4:17AM
0.97
5:21PM
0.31
5:47AM
1.04
6:48PM
0.43
Wednesday
22
Thursday
23
Friday
24
Sunrise--5:56-------5:56-------5:54-----
Sunset------6:53-------6:53-------6:54-
rain showers
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
cloud
part cloud
cloud
thunderstorm
heavy rain
rain showers
cloud
cloud
cloud
cloud
light rain
light rain
light rain
cloud
cloud
Rain (mm)
1-----------1113----421--
Temp. °C232222232323232222232324252222212121201920202121
Feels °C (?)242120212020222120212122232120202120201921192019
  • 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

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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