Aha Rivermouth surfForecast / Okinawa / Japan

information circle48hr Weather and Surf, issued 8 am Friday 09 Jan 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
22.6° 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 11AM is: 1.7m 8s primary swell from a North direction and 0.3m 9s secondary swell from a East-southeast direction (forecast issued at 08:00am January 09). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (09 Jan)6ft (1.8m)8s
Afternoon (09 Jan)5ft (1.5m)8s
Evening (09 Jan)3.5ft (1.1m)8s

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

Updates in  hr  min  s Forecast update imminent
Friday
09
Saturday
10
Sunday
11
Mon
12
6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM
Rating
(10 max)
0
0
0
0
0
0
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
Swell
Height Map
Wave Height (m) & direction (?)
1.9
NNW
1.8
N
1.7
N
1.5
N
1.3
NNW
1.1
NNW
0.9
NNW
0.8
NNW
0.7
N
0.6
N
0.6
N
0.5
N
0.7
NNW
1.8
NNW
2
NNW
2.1
NNW
2.4
NNW
2.5
NNW
3
NNW
3
NNW
3.5
NNW
3
NNW
3
NNW
2.4
NNW
Period(s) (?)88888887777666777891010101010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)471461403309196147947351353322352633603856211024134419222164203415751210
Wind
(km/h)
25
N
25
NNE
15
NNE
10
NNE
10
NE
5
ENE
0
W
5
WNW
10
NW
10
NNW
10
NNW
15
NW
20
NNW
30
NNW
35
NNW
40
NNW
40
NNW
45
NNW
40
NNW
45
NNW
40
N
35
N
20
N
15
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
ononononglasscross-
off
cross-
off
crosscross-
on
crosscrosscross-
on
crosscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
High Tide
/ height (m)
10:45AM
1.58
10:44PM
1.37
11:24AM
1.53
11:44PM
1.22
12:06PM
1.47
1:09AM
1.10
Low Tide
/ height (m)
4:18AM
0.29
4:59PM
0.56
4:55AM
0.47
5:56PM
0.58
5:35AM
0.64
7:05PM
0.58
Friday
09
Saturday
10
Sunday
11
Mon
12
Sunrise-7:16-------7:16-------7:16------
Sunset---5:50-------5:51-------5:52----
rain showers
part cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
light rain
part cloud
cloud
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
Rain (mm)
1------------1----------
Temp. °C141415151616161616161717181717171615141414141415
Feels °C (?)89111213141514131415131311108754456811
  • 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

Latest Updates

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.


Nearest locationNearest
Nearest locationNearest
Nearest locationNearest