Aha Rivermouth surfForecast / Okinawa / Japan

information circle48hr Weather and Surf, issued 8 pm Monday 12 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
22.4° 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 12AM is: 1.1m 9s primary swell from a North-northwest direction and 0.2m 10s secondary swell from a East direction (forecast issued at 08:00pm January 12). The wind direction is predicted to be offshore.

Time (JST) & DateWave HeightWave Period
Morning (13 Jan)--
Afternoon (13 Jan)--
Evening (13 Jan)4.5ft (1.3m)9s

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

Updates in  hr  min  s Forecast update imminent
Mon
12
Tuesday
13
Wednesday
14
Thursday
15
6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM
Rating
(10 max)
2
2
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
Swell
Height Map
Wave Height (m) & direction (?)
1.4
NNW
1.3
NNW
1.1
NNW
1
NNW
0.9
NNW
0.7
NNW
1
NW
1.2
NW
1.2
NNW
1.2
NNW
1.1
NNW
1.1
NNW
0.9
NNW
0.8
N
0.7
N
0.6
N
0.6
N
0.8
NNW
0.7
NNW
0.7
N
0.6
N
0.6
N
0.5
N
0.5
N
Period(s) (?)999888766777766666877777
Wave
Graph
(?)Metric surfscale
Energy kJ (?)3152621721289265102116113116107110775237282653584835352423
Wind
(km/h)
5
NW
10
WSW
15
SW
15
WSW
15
SW
15
WSW
25
WNW
25
NW
25
NNW
25
NNW
20
NNW
20
N
15
NNE
15
NE
20
ENE
20
ENE
25
ENE
20
E
25
ESE
20
SE
15
SE
15
SSE
15
S
5
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glasscross-
off
offoffoffoffcross-
off
crosscrosscross-
on
cross-
on
cross-
on
cross-
on
onononcross-
on
cross-
on
crosscrosscrosscross-
off
cross-
off
glass
High Tide
/ height (m)
3:12AM
1.08
1:58PM
1.39
4:52AM
1.15
3:04PM
1.39
5:47AM
1.26
Low Tide
/ height (m)
8:24PM
0.54
7:33AM
0.93
9:38PM
0.46
9:08AM
0.99
10:36PM
0.35
10:29AM
0.99
Mon
12
Tuesday
13
Wednesday
14
Thursday
15
Sunrise-----7:16-------7:16-------7:16--
Sunset-------5:52-------5:53-------5:54
part cloud
cloud
part cloud
part cloud
clear
clear
light rain
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
Rain (mm)
------1-----------------
Temp. °C161616161618181919181817161718181818191919191919
Feels °C (?)141413131315131414131313131314141313141516151718
  • 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.


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