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Surf Forecasts:

Aha Rivermouth surfForecast / Okinawa / Japan

information circle48hr Weather and Surf, issued 8 am Wednesday 21 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
22.1° 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 12PM is: 3.0m 10s primary swell from a North-northwest direction and 0.7m 9s secondary swell from a East-southeast direction, 0.2m 14s secondary swell from a East-northeast direction (forecast issued at 08:00am January 21). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (21 Jan)8ft (2.5m)10s
Afternoon (21 Jan)10ft (3.0m)10s
Evening (21 Jan)10ft (3.0m)10s

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
21
Thursday
22
Friday
23
Sat
24
6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 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 (?)
2.5
NNW
2.5
NNW
3
NNW
3
NNW
3
NNW
3
NNW
3
NNW
3
NNW
3
N
2.5
N
2.4
NNW
2.2
NNW
2.1
N
2.1
N
2.1
N
1.7
NNW
1.6
NNW
1.5
NNW
1.3
NNW
1.2
NNW
1.1
NNW
1.1
N
1
N
0.9
NNW
Period(s) (?)10101010910101010101010999998888888
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1271131013401467163018911941172015551418104384474773170747440429324020216715312194
Wind
(km/h)
40
N
40
N
40
N
40
N
45
N
45
N
40
N
40
N
40
N
35
N
30
N
30
N
35
N
30
N
25
NNE
20
NNE
20
NNE
15
NNE
15
NNE
20
N
20
N
20
N
15
N
10
N
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		cross-
on		cross-
on		cross-
on		oncross-
on		cross-
on		oncross-
on		cross-
on		cross-
on		cross-
on		cross-
on
High Tide
/ height (m)
8:38AM
1.64
8:07PM
1.72
9:07AM
1.64
8:49PM
1.69
9:38AM
1.63
9:34PM
1.60
Low Tide
/ height (m)
2:18PM
0.56
2:41AM
0.01
2:56PM
0.49
3:16AM
0.11
3:37PM
0.44
Wednesday
21
Thursday
22
Friday
23
Sat
24
Sunrise-7:16-------7:15-------7:15------
Sunset---5:59--------6:00-------6:00---
cloud
cloud
cloud
cloud
light rain
cloud
cloud
clear
light rain
rain showers
light rain
light rain
light rain
part cloud
cloud
clear
rain showers
clear
part cloud
clear
clear
part cloud
clear
clear
Rain (mm)
----1---11111---1-------
Temp. °C161515141413131312121312131313131314141415141514
Feels °C (?)867643343465667881010910101111
  • 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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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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