Aha Rivermouth surfForecast / Okinawa / Japan

information circle48hr Weather and Surf, issued 8 am Tuesday 24 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
21.8° C
(Which is slightly cooler than normal)

How big are the waves at Aha Rivermouth today?

The current surf forecast for Aha Rivermouth at 5PM is: 0.3m 12s primary swell from a East-northeast direction and 0.4m 8s secondary swell from a East-southeast direction, 0.3m 5s secondary swell from a North direction (forecast issued at 08:00am March 24). An open ocean swell of 0.6m 3s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (JST) & DateWave HeightWave Period
Morning (24 Mar)1.5ft (0.4m)12s
Afternoon (24 Mar)1ft (0.3m)12s
Evening (24 Mar)1.5ft (0.4m)8s

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


Updates in  hr  min  s Forecast update imminent
Tuesday
24
Wednesday
25
Thursday
26
Fri
27
6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM
Rating
(10 max)
0
0
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.5
N
0.4
NE
0.3
ENE
0.3
ENE
0.3
ENE
0.4
ESE
0.4
ESE
0.4
ESE
0.4
ESE
0.4
ESE
0.4
ESE
1.1
NW
1.2
NNW
1.3
NNW
1.2
NNW
1.2
NNW
1.3
NNW
1.3
N
1.2
N
1.2
N
1.3
N
1.2
N
1.1
N
1
N
Period(s) (?)6121212128888884566788888887
Wave
Graph
(?)Metric surfscale
Energy kJ (?)16372827272323232323234577100103143207201168169208176137108
Wind
(km/h)
10
ESE
15
SSE
15
SSW
20
SSW
20
SSW
20
SSW
20
SW
20
SW
25
SW
20
WNW
30
WNW
35
NW
35
NW
30
NNW
30
NNW
25
NNW
25
NNW
25
N
25
N
20
N
20
N
15
N
20
N
15
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
off
cross-
off
offoffoffoffoffoffcross-
off
cross-
off
crosscrosscrosscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
High Tide
/ height (m)
9:29AM
1.68
11:05PM
1.35
10:11AM
1.56
12:44AM
1.22
11:15AM
1.42
Low Tide
/ height (m)
3:33AM
0.68
4:26PM
0.16
4:16AM
0.86
5:35PM
0.29
5:27AM
1.01
7:13PM
0.37
Tuesday
24
Wednesday
25
Thursday
26
Fri
27
Sunrise-6:26-------6:26-------6:24------
Sunset----6:38-------6:39-------6:39---
cloud
part cloud
rain showers
part cloud
part cloud
clear
cloud
rain showers
thunderstorm
rain showers
rain showers
part cloud
cloud
cloud
part cloud
cloud
part cloud
cloud
part cloud
clear
clear
clear
part cloud
cloud
Rain (mm)
--1----1131-------------
Temp. °C202122222221212121212120191918181818191819191919
Feels °C (?)212122212120212020201815141514141314151416171617
  • 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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