Aha Rivermouth surfForecast / Okinawa / Japan

information circle48hr Weather and Surf, issued 8 pm Tuesday 18 Nov 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
26.8° C
(Which is 1.6°C warmer than normal for this time of year)


How big are the waves at Aha Rivermouth today?

The current surf forecast for Aha Rivermouth at 3AM is: 2.3m 9s primary swell from a North direction and 0.4m 8s secondary swell from a East-southeast direction (forecast issued at 08:00pm November 18). An open ocean swell of 0.1m 9s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (19 Nov)7ft (2.1m)8s
Afternoon (19 Nov)6ft (1.9m)8s
Evening (19 Nov)5ft (1.6m)8s

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

Updates in  hr  min  s Forecast update imminent
Tue
18
Wednesday
19
Thursday
20
Friday
21
6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM
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
Wave Height (m) & direction (?)
2.5
N
2.5
N
2.5
N
2.3
N
2.2
N
2.1
N
1.9
N
1.9
N
1.7
NNW
1.6
NNW
1.6
NNW
1.4
NNW
1.4
NNW
1.6
N
1.5
N
1.4
N
1.3
N
0.9
NNW
1.1
NE
1.1
NE
1.3
NE
1.3
NE
1.3
ENE
1.5
E
Period(s) (?)999998888888877777555678
Wave
Graph
(?)Metric surfscale
Energy kJ (?)12631104101582272060148847637633331423722027723318915268726990128186265
Wind
(km/h)
40
N
40
NNE
35
NNE
35
N
35
N
30
N
30
N
30
N
30
N
25
N
25
N
25
N
25
N
25
NNE
25
NNE
20
NNE
20
NNE
25
NE
25
NE
25
NNE
25
NE
25
NNE
25
NE
30
NE
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
ononononononononon
High Tide
/ height (m)
5:19PM
1.76
6:23AM
1.62
5:44PM
1.78
6:56AM
1.63
6:08PM
1.80
7:27AM
1.63
Low Tide
/ height (m)
11:58PM
0.27
11:54AM
0.78
12:26AM
0.20
12:21PM
0.82
12:54AM
0.15
12:48PM
0.85
Tue
18
Wednesday
19
Thursday
20
Friday
21
Sunrise-----6:48-------6:48-------6:48--
Sunset-------5:35-------5:35-------5:34
light rain
light rain
light rain
light rain
light rain
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
Rain (mm)
11111-------------------
Temp. °C212019192020191919191920202020202121212121212121
Feels °C (?)141413131415141314141515151516161717171717171716
  • 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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