Aha Rivermouth surfForecast / Okinawa / Japan

information circle48hr Weather and Surf, issued 8 pm Friday 13 Mar 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
21.3° C
(Which is slightly cooler than normal)

How big are the waves at Aha Rivermouth today?

The current surf forecast for Aha Rivermouth at 5AM is: 3.0m 10s primary swell from a North-northeast direction and 0.9m 14s secondary swell from a East-northeast direction, 0.2m 9s secondary swell from a East-southeast direction (forecast issued at 08:00pm March 13). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (14 Mar)10ft (3.0m)10s
Afternoon (14 Mar)6ft (1.9m)13s
Evening (14 Mar)7ft (2.1m)14s

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


Updates in  hr  min  s Forecast update imminent
Fri
13
Saturday
14
Sunday
15
Monday
16
6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
1
2
1
2
2
1
Swell
Height Map
Wave Height (m) & direction (?)
3.5
N
3.5
N
3.5
N
3.5
NNE
3
NNE
3
NNE
3
NNE
1.9
ENE
2.1
ENE
2.1
ENE
2.3
ENE
2.5
ENE
2.5
ENE
2.5
ENE
2.5
ENE
2.5
ENE
2.3
ENE
2.2
ENE
2.2
ENE
2.1
ENE
1.7
ENE
1.6
ENE
1.6
ENE
1.6
ENE
Period(s) (?)99991010101313141616161515151414141313131313
Wave
Graph
(?)Metric surfscale
Energy kJ (?)19601976183418201814156315591170157519002549318232113049259825982230184917441474953852878892
Wind
(km/h)
50
N
50
N
50
N
50
N
45
NNE
40
NNE
40
NNE
40
NNE
30
NNE
30
NNE
30
NNE
25
NNE
25
NE
20
NE
20
NNE
25
N
25
NNE
25
NNE
20
NNE
15
NNE
20
N
15
NNE
15
N
15
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
oncross-
on
cross-
on
ononononononcross-
on
cross-
on
cross-
on
oncross-
on
cross-
on
cross-
on
cross-
on
cross-
on
High Tide
/ height (m)
5:11AM
1.28
3:23PM
1.24
5:29AM
1.40
4:29PM
1.39
5:49AM
1.51
Low Tide
/ height (m)
9:27PM
0.48
10:28AM
1.00
10:27PM
0.36
11:04AM
0.84
11:09PM
0.25
11:33AM
0.67
Fri
13
Saturday
14
Sunday
15
Monday
16
Sunrise-----6:37-------6:37-------6:35--
Sunset6:32-------6:34-------6:35-------
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
------------------------
Temp. °C161616161515151616161717171718181818181717181817
Feels °C (?)5555566810101112121314131313141413151514
  • 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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