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Surf Forecasts:

Aha Rivermouth surfForecast / Okinawa / Japan

information circle48hr Weather and Surf, issued 2 am Wednesday 17 Dec 2025 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
24.1° C
 (Which is slightly warmer than usual)

How big are the waves at Aha Rivermouth today?

The current surf forecast for Aha Rivermouth at 7AM is: 0.6m 9s primary swell from a East direction and 0.3m 6s secondary swell from a North-northwest direction (forecast issued at 02:00am December 17). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (17 Dec)2ft (0.6m)9s
Afternoon (17 Dec)2ft (0.6m)9s
Evening (17 Dec)2ft (0.6m)9s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Wednesday
17
Thursday
18
Friday
19
0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 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
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.7
E
0.6
E
0.6
E
0.6
E
0.6
E
0.6
ESE
0.6
ESE
0.6
ESE
0.5
ESE
0.5
ESE
0.5
ESE
0.5
ESE
0.8
N
0.9
N
0.8
NNW
0.9
NNW
0.8
NNW
0.8
NNW
0.7
N
0.7
E
0.5
E
0.5
ESE
0.5
E
0.8
E
Period(s) (?)10109999999999667777789996
Wave
Graph
(?)Metric surfscale
Energy kJ (?)906764605962626245454545456060826562456940453944
Wind
(km/h)
10
E
10
ESE
5
ESE
5
E
5
NNE
15
N
20
N
20
N
20
N
20
N
20
N
20
NNE
20
NNE
20
NE
20
NE
15
ENE
15
E
20
E
20
E
25
E
20
E
20
E
20
E
20
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		onononcross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on
High Tide
/ height (m)
5:40AM
1.38
4:38PM
1.60
6:20AM
1.44
5:11PM
1.62
6:54AM
1.49
5:42PM
1.65
Low Tide
/ height (m)
11:01PM
0.32
10:49AM
0.89
11:37PM
0.23
11:29AM
0.90
12:09AM
0.15
12:05PM
0.90
Wednesday
17
Thursday
18
Friday
19
Sunrise---7:07-------7:07-------7:09----
Sunset-----5:36-------5:37-------5:37--
cloud
clear
clear
clear
clear
clear
clear
clear
clear
cloud
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
cloud
cloud
Rain (mm)
------------------------
Temp. °C202020202020202020192019192020202020202020212122
Feels °C (?)191920202018171717151615151617171717171617191921
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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.

View detailed surf forecast for Aha Rivermouth at:
surf-forecast.com

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