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Surf Forecasts:

Aha Rivermouth surfForecast / Okinawa / Japan

information circle48hr Weather and Surf, issued 2 am Thursday 20 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 1.7°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 4AM is: 1.7m 8s primary swell from a North-northwest direction and 0.6m 9s secondary swell from a East direction, 0.3m 8s secondary swell from a Southeast direction (forecast issued at 02:00am November 20). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (20 Nov)5ft (1.5m)7s
Afternoon (20 Nov)4.5ft (1.3m)7s
Evening (20 Nov)3.5ft (1.1m)7s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Thursday
20
Friday
21
Saturday
22
0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM
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 (?)
1.7
NNW
1.7
NNW
1.6
NNW
1.5
NNW
1.4
NNW
1.3
NNW
1.2
N
1.1
NNW
0.9
E
1.1
ENE
1.2
ENE
1.1
ENE
1.5
NE
1.3
N
1.6
NNE
1.7
NNE
1.7
NNE
1.5
NNE
1.4
NE
1.4
NE
1.7
NE
1.5
NE
1.6
NE
1.5
NE
Period(s) (?)888777779988766666666776
Wave
Graph
(?)Metric surfscale
Energy kJ (?)376353276228214181138105125172183155195114178218216164135147240198208177
Wind
(km/h)
30
N
30
NNW
30
N
25
N
25
N
25
NNE
25
NNE
25
NNE
20
NNE
25
NNE
25
NNE
20
NE
25
NNE
30
NNE
30
NNE
30
NNE
30
NE
25
NE
30
NE
25
NE
30
NE
30
NE
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		ononcross-
on		cross-
on		onononcross-
on		cross-
on		ononononononononon
High Tide
/ height (m)
6:56AM
1.63
6:08PM
1.80
7:27AM
1.63
6:33PM
1.80
7:59AM
1.62
6:59PM
1.79
Low Tide
/ height (m)
12:26AM
0.20
12:21PM
0.82
12:54AM
0.15
12:48PM
0.85
1:22AM
0.12
1:16PM
0.89
Thursday
20
Friday
21
Saturday
22
Sunrise---6:48-------6:48-------6:50----
Sunset-----5:35-------5:34-------5:34--
part cloud
cloud
cloud
part cloud
clear
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
part cloud
clear
part cloud
Rain (mm)
------------------------
Temp. °C202020202020212121212121212121212122212121212121
Feels °C (?)151414151515161717171717171616161517161616161616
  • 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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View detailed surf forecast for Aha Rivermouth at:
surf-forecast.com

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