Aha Rivermouth Surf Break

Aha Rivermouth Surf Forecast and Surf Report

Lat Long: 26.72° N 128.30° E

Issued: 2 am 14 Jun 2026 (local time)

Forecast update in  hr  min

Today's Aha Rivermouth sea temperature is
24.9° C

2.0°C colder than average for this time of year

Aha Rivermouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Surf Forecasts:

Aha Rivermouth surf forecast from 14 Jun 2026:

  • Best quality surf: Monday 15 Jun, 12PM (local time) - 2ft (0.6m), 8s period, NE swell with offshore winds.
  • Most powerful swell: Monday 15 Jun, 9PM (local time) - 2.5ft (0.7m), 8s period, NE swell with 72 kJ wave energy.
  • Next surfable swell (1★+): Monday 15 Jun, 12PM (local time) - 2ft (0.6m), 8s period with NE swell.

Best Forecast Surf Conditions for Aha Rivermouth this week:

The surf forecast for Aha Rivermouth over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Jun 15) at 12PM. The primary swell is predicted to be 0.6m and 8s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Aha Rivermouth in the next 16 days are 0.7m 8s and forecast to arrive on Monday (Jun 15) at 9PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 8s period and expected on Sunday (Jun 21) at 6AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+)12PM (Mon 15th Jun)2ft (0.6m) 8s
Best Surf12PM (Mon 15th Jun)2ft (0.6m) 8s
Most Powerful 9PM (Mon 15th Jun)2.5ft (0.7m) 8s

Table - best surf conditions forecast for Aha Rivermouth over the next 16 days.

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table

Short Range Forecast

Heavy rain (total 108mm), heaviest during Sun afternoon. Warm (max 27°C on Sun morning, min 24°C on Sun afternoon). Winds increasing (light winds from the SW on Sun night, strong winds from the SW by Tue morning).

Days 4-6 Weather Summary

Heavy rain (total 31mm), heaviest during Wed morning. Warm (max 27°C on Fri morning, min 23°C on Wed morning). Wind will be generally light.

Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1
ESE
6
0.6
E
6
0.4
E
6
0.6
NNE
8
0.6
NE
8
0.7
ENE
8
0.6
ENE
8
0.5
ENE
8
0.5
NE
9
0.5
NE
9
0.5
NE
9
0.4
NE
9
0.3
E
9
0.3
E
9
0.3
SE
10
0.3
E
9
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.4
SE
9
Wave Graph
Metric surfscale
Energy kJ
66
26
13
43
55
62
48
41
37
41
40
19
15
15
15
15
15
15
15
14
22
Wind (km/h)
25
S
30
WSW
15
SSE
20
SW
25
SW
25
SSW
20
SSW
25
SW
20
SSW
25
SSW
20
SSW
20
S
20
SW
15
SSW
20
SSW
20
SW
15
SSW
20
SSW
20
SSW
25
SSW
25
SSW
Wind State
cross-off
off
cross-off
off
off
cross-off
cross-off
off
cross-off
off
cross-off
cross-off
off
off
off
off
cross-off
off
off
off
cross-off
High Tide
6:49PM1.85m
5:59AM2.04m
7:34PM1.89m
6:43AM2.07m
8:17PM1.89m
7:28AM2.05m
8:59PM1.87m
8:14AM2.00m
9:42PM1.83m
9:02AM1.90m
10:26PM1.79m
9:54AM1.77m
11:12PM1.75m
Low Tide
12:07PM0.02m
00:15AM0.90m
12:51PM-0.05m
1:00AM0.89m
1:36PM-0.06m
1:44AM0.88m
2:20PM-0.02m
2:30AM0.88m
3:04PM0.09m
3:19AM0.87m
3:49PM0.23m
4:13AM0.87m
4:35PM0.40m
thunderstorm
thunderstorm
heavy rain
thunderstorm
mod rain
thunderstorm
thunderstorm
mod rain
light rain
light rain
light rain
rain showers
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:31
—
—
5:31
—
—
5:33
—
—
5:33
—
—
5:33
—
—
5:33
—
—
5:33
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
7:21
—
—
7:21
—
—
7:21
—
—
7:21
—
—
7:22
—
—
7:22
—
—
7:22
—
 mm
3
19
16
7
9
30
13
6
5
5
3
3
4
2
1
2
3
8
—
—
—
Temp °C
27
27
26
26
25
25
25
25
26
24
24
26
26
26
26
27
27
27
28
28
26
Feels °C
27
26
27
28
26
26
26
25
27
24
25
28
28
28
28
29
30
30
30
30
28
Swell 1
Height (m)
Direction
Period (s)
1
ESE
6
0.6
E
6
0.9
SSW
7
0.8
SSW
7
0.9
SSW
7
0.7
W
8
0.6
ENE
8
0.5
ENE
8
0.7
W
6
0.8
W
8
0.7
W
7
0.4
W
6
0.3
E
9
0.3
E
9
0.3
E
9
0.3
E
9
0.3
E
9
0.8
W
8
0.9
W
7
0.3
SE
10
1.2
W
8
Energy kJ
66
26
73
58
75
54
48
41
31
78
47
11
15
15
15
15
15
82
87
14
182
Swell 2
Height (m)
Direction
Period (s)
0.1
SE
10
0.1
SE
9
0.6
WNW
5
0.6
NNE
8
0.9
W
9
0.7
ENE
8
0.5
W
8
0.1
N
5
0.5
NE
9
0.5
NE
9
0.5
NE
9
0.4
NE
9
0.3
NE
8
0.2
ENE
8
0.3
SE
10
0.3
SE
9
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
E
9
0.4
SE
9
Energy kJ
4
3
17
43
129
62
31
1
37
41
40
19
11
7
14
13
14
15
15
14
22
Swell 3
Height (m)
Direction
Period (s)
0.1
SW
7
0.1
E
12
0.4
E
6
0.5
W
6
0.6
NE
8
0.2
N
5
0.2
N
5
0.1
SE
9
0.2
E
9
0.2
E
10
0.2
E
10
0.3
E
10
0.2
ESE
10
0.2
ESE
10
0.2
ENE
8
0.2
ENE
8
0.2
ENE
8
0.3
E
9
0.3
E
9
0.2
ENE
10
0.3
E
9
Energy kJ
2
3
13
20
55
2
2
3
7
8
8
16
9
9
7
7
7
15
14
9
13
Wind waves
Height (m)
Direction
Period (s)
0.1
S
6
1.2
SSW
5
—
1.1
SSW
6
0.3
WNW
6
1.3
SSW
6
1.1
S
6
1.2
SW
5
0.9
S
6
0.9
S
5
0.8
SSW
5
0.6
S
5
0.9
SSW
5
0.9
SSW
4
0.9
SSW
5
1
WSW
7
1.2
WSW
7
0.6
SSW
4
0.9
SSW
5
1.4
SW
7
1
SSW
5
Energy kJ
1
75
—
104
8
111
78
85
50
45
36
21
32
32
39
96
125
12
37
200
51
Nearest Offshore or Glassy
Fulung Beach
North
Sunrise
North
Rocky Point
Okinawa
Rocky Point
Okinawa
Aha Rivermouth
Okinawa
Nagata
Kyu Shu
Fulung Beach
North
Nagata
Kyu Shu
Nagata
Kyu Shu
Rocky Point
Okinawa
Steps
Okinawa
Nichinan
Kyu Shu
Cape Toi
Kyu Shu
Cape Toi
Kyu Shu
Cape Toi
Kyu Shu
Cape Toi
Kyu Shu
Dragons Leaf
Kyu Shu
Rocky Point
Okinawa
Rocky Point
Okinawa
Kojima
Kyu Shu
Golfcourse
Kyu Shu
Rating
(10 max)
1
1
1
1
1
3
1
3
1
1
1
2
1
1
1
1
1
1
1
1
1
Distance (km)
664
687
12
12
0
595
664
595
595
12
70
621
596
596
596
596
761
12
12
605
651
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Steps
Ko-Chan (Hedo Point)
Ko-Chan (Hedo Point)
Ko-Chan (Hedo Point)
Aja
Rocky Point
Rocky Point
Rating
(10 max)
1
1
1
1
1
1
1
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Rating
(10 max)
1
1
3
3
3
3
2
3
1
1
4
4
2
2
2
1
2
1
2
2
3
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Rating
(10 max)
5
5
5
9
5
5
5
5
5
4
4
5
7
9
8
8
9
5
5
5
4
  • Map Icons:
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
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  • Wind Speed (km/h)
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Information about the Aha Rivermouth Surf forecast

The above surf forecast table for Aha Rivermouth provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Aha Rivermouth can be found by selecting the local surf guide option on the grey menu. Our Aha Rivermouth surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Aha Rivermouth) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Aha Rivermouth may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Aha Rivermouth is 31 km (19 miles) from the city of Okinawa. If you plan a holiday in Okinawa, look for hotels and other accommodation in Okinawa. Okinawa has rooms for a wide range of budgets as well as car hire and transport links.

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