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Surf Forecasts:

Aha Rivermouth surfForecast / Okinawa / Japan

information circle48hr Weather and Surf, issued 2 pm Friday 16 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
22.2° 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 9PM is: 0.6m 8s primary swell from a East-southeast direction and 0.5m 9s secondary swell from a East direction, 0.2m 3s secondary swell from a East direction (forecast issued at 02:00pm January 16). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (16 Jan)--
Afternoon (16 Jan)2.5ft (0.7m)9s
Evening (16 Jan)2ft (0.6m)8s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Friday
16
Saturday
17
Sunday
18
Monday
19
12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM
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
ESE
0.7
ESE
0.8
ESE
0.6
ESE
0.6
ESE
0.8
ESE
0.7
ESE
0.7
E
0.7
E
0.8
ESE
0.9
ESE
0.9
ESE
0.8
ESE
0.8
ESE
0.9
ESE
1.2
ESE
1.3
ESE
1.3
ESE
1.3
ESE
1.3
ESE
1.3
ESE
1.3
ESE
1.3
ESE
1.3
ESE
Period(s) (?)998888999988996888888889
Wave
Graph
(?)Metric surfscale
Energy kJ (?)88887846457888798788103125888670190221216216221246246252258
Wind
(km/h)
20
ESE
15
ESE
15
ESE
15
E
20
E
15
E
15
E
20
E
20
ESE
15
E
20
E
25
E
25
E
20
E
25
E
25
E
20
E
20
E
20
E
20
E
20
E
20
ENE
20
ENE
20
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on
High Tide
/ height (m)
4:50PM
1.47
6:52AM
1.44
5:32PM
1.54
7:18AM
1.51
6:11PM
1.61
7:44AM
1.57
Low Tide
/ height (m)
11:24AM
0.96
11:57PM
0.14
12:05PM
0.89
12:30AM
0.05
12:39PM
0.82
1:02AM
-0.02
Friday
16
Saturday
17
Sunday
18
Monday
19
Sunrise-------7:16-------7:16-------7:16
Sunset-5:54-------5:55-------5:57------
clear
clear
clear
cloud
cloud
part cloud
part cloud
part cloud
cloud
clear
clear
part cloud
part cloud
clear
clear
clear
cloud
part cloud
clear
clear
part cloud
part cloud
clear
clear
Rain (mm)
------------------------
Temp. °C202020202020202020202020202020202021212120202020
Feels °C (?)161718171718181717171716161716161618181817171717
  • 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

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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.

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

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