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Aha Rivermouth Surf Forecast / Okinawa / Japan

12 Day Weather and Surf, issued 8 am Friday 07 Oct 2022 JST
Forecast update in  hr  min  s 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 28.8 °C (Statistics for 07 Oct 1981-2005 - mean: 27.3 max: 28.8 min: 26.0 °C)
Icon breakBreak
Icon legend buoysLive Wave Height (m)
Icon legend windLive Wind Speed (km/h)
Aha rivermouth.12
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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 28.8 °C (Statistics for 07 Oct 1981-2005 - mean: 27.3 max: 28.8 min: 26.0 °C)

Eyeball surf reportRecent Eyeball Surf Reports for Okinawa

  1. weather stationWind Update The wind is still cross-on at Aha Rivermouth (moderate winds from the NNE at Nago 37 km from Aha Rivermouth).

    Aha Rivermouth
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37 km away, 39 min ago

Moderate
26 km/h
NNE
28.0
28.8
Air / Water (°C)
Please reload the page to see if there are any updates.


Best Forecast Surf Conditions for Aha Rivermouth this week:

The surf forecast for Aha Rivermouth over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Oct 09) at 9AM. The primary swell is predicted to be 0.7m and 9s period with a secondary swell of 0.7m and 7s. The wind is predicted to be onshore as the swell arrives.

The most powerful waves expected at Aha Rivermouth in the next 12 days are 2.2m 9s and forecast to arrive on Friday (Oct 14) at 9AM. Winds are predicted to be cross-onshore at the time the swell arrives.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 9AM (Sun 9th Oct)2.5ft (0.7m) 9s
Best Surf 9AM (Sun 9th Oct)2.5ft (0.7m) 9s
Most Powerful 9AM (Fri 14th Oct)7ft (2.2m) 9s

Table - best surf conditions forecast for Aha Rivermouth over the next 12 days.

Updates in  hr  min  s Update imminent
Friday
07
Saturday
08
Sunday
09
Monday
10
Tuesday
11
Wednesday
12
Thursday
13
Friday
14
Saturday
15
Sunday
16
Monday
17
Tuesday
18
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
000000100000000000000000000000000000
Swell
Height Map
T japan.htsgw.metric.12.cc23
T japan.htsgw.metric.33.cc23
T japan.htsgw.metric.57.cc23
T japan.htsgw.metric.81.cc23
T japan.htsgw.metric.105.cc23
T japan.htsgw.metric.129.cc23
T japan.htsgw.metric.153.cc23
T japan.htsgw.metric.177.cc23
T japan.htsgw.metric.201.cc23
T japan.htsgw.metric.225.cc23
T japan.htsgw.metric.249.cc23
T japan.htsgw.metric.273.cc23
Wave Height (m) & direction (?)
0.9
NNW
0.6
ENE
1.5
N
1.3
N
1.2
N
0.9
NNW
0.7
NE
0.8
NNW
1.1
NNW
1.6
NNW
2
N
2.1
N
1.8
N
1.7
N
2
NNE
1.8
NNE
2.1
NE
1.7
ENE
1.8
ENE
1.8
ENE
1.9
ENE
2.2
NE
1.8
E
1.7
E
1.5
E
1.6
E
1.7
E
1.7
E
1.9
E
1.9
NNW
3.5
N
4
N
3.5
N
3
NNE
3
NNE
2.5
NE
Period(s) (?)81177789856788887788899101110101010991010101099
Wave
Graph
(?)Metric surfscale
Energy (?)908719818115099837559205366623439390451333440345434445566736703657458500541563627646263332722482181213801052
Wind
(km/h)
15
NNE
30
N
30
NNE
25
NNE
25
NNE
15
NE
10
NE
15
N
30
N
35
N
35
N
30
N
30
NNE
35
NNE
30
NE
30
NE
30
NE
40
ENE
30
NE
35
NE
30
NE
35
NNE
40
NNE
30
NNE
25
NNE
30
NE
25
NE
25
ENE
20
NE
25
NNE
55
N
50
N
55
NNE
50
NNE
45
NNE
40
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncross-
on
cross-
on
ononononcross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
onononononononcross-
on
cross-
on
cross-
on
ononononononcross-
on
cross-
on
cross-
on
cross-
on
cross-
on
on
High Tide
/ height (m)
5:32PM
1.85
5:27AM
1.91
6:01PM
1.93
6:09AM
2.00
6:28PM
1.99
6:48AM
2.03
6:55PM
2.03
7:24AM
2.01
7:20PM
2.04
7:59AM
1.95
7:46PM
2.01
8:34AM
1.85
8:11PM
1.96
9:09AM
1.73
8:35PM
1.88
9:47AM
1.59
9:00PM
1.77
10:35AM
1.46
9:25PM
1.65
11:50AM
1.36
9:54PM
1.51
2:41PM
1.36
10:52PM
1.36
Low Tide
/ height (m)
11:05AM
0.40
11:28PM
0.66
11:46AM
0.37
12:04AM
0.49
12:21PM
0.38
12:38AM
0.35
12:53PM
0.43
1:10AM
0.25
1:22PM
0.51
1:42AM
0.21
1:50PM
0.61
2:14AM
0.23
2:16PM
0.72
2:46AM
0.28
2:41PM
0.84
3:20AM
0.37
3:06PM
0.97
3:57AM
0.49
3:32PM
1.10
4:44AM
0.61
4:09PM
1.22
5:56AM
0.72
6:52PM
1.31

Note: the tide data above is for Ada, Okinawa, Japan which is 3 km away. Surf properties and timing are calculated for Aha Rivermouth.New forecast is published every 6 hours at www.surf-forecast.com. See detailed tide info and graph
Offshore winds at Aha Rivermouth blow from the SW

Friday
07
Saturday
08
Sunday
09
Monday
10
Tuesday
11
Wednesday
12
Thursday
13
Friday
14
Saturday
15
Sunday
16
Monday
17
Tuesday
18
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
rain showersrain showerspart cloudpart cloudpart cloudpart cloudpart cloudpart cloudpart cloudpart cloudpart cloudcloudpart cloudpart cloudcloudpart cloudpart cloudpart cloudrain showerspart cloudrain showersrain showerspart cloudthunderstorm thunderstorm thunderstorm thunderstorm thunderstorm thunderstorm thunderstorm light rainpart cloudpart cloudclearclearclear
Summaryrain shwrsrain shwrssome cloudssome cloudssome cloudssome cloudssome cloudssome cloudssome cloudssome cloudssome cloudscloudysome cloudssome cloudscloudysome cloudssome cloudssome cloudsrain shwrssome cloudsrain shwrsrain shwrssome cloudsrisk thund- derrisk thund- derrisk thund- derrisk thund- derrisk thund- derrisk thund- derrisk thund- derlight rainsome cloudssome cloudsclearclearclear
Rain (mm)
12----------------1-21-3571866131-----
Temp. °C262625252525262626252423232324242526262627272727272727272727232423232323
Low °C262624242525262625242423232323242425262626262727272727272725232323232322
Feels °C (?)282522232324292826222017181718202122232226242425272726272828161714141515
Sunrise6:20--6:22--6:22--6:22--6:22--6:24--6:24--6:24--6:24--6:26--6:26--6:26--
Sunset-6:07--6:06--6:05--6:04--6:02--6:01--6:00--6:00--5:59--5:58--5:57--5:55-

Short Range Forecast: Light rain (total 3mm), mostly falling on Fri morning. Warm (max 26°C on Fri morning, min 24°C on Fri night). Winds decreasing (fresh winds from the NNE on Fri night, light winds from the NNE by Sun morning).

Days 3-6 Weather Summary Mostly dry. Warm (max 26°C on Wed night, min 23°C on Mon night). Mainly strong winds.

Days 6-9 Weather Summary Heavy rain (total 37mm), heaviest during Sat night. Warm (max 27°C on Thu night, min 26°C on Thu morning). Mainly strong winds.

Long Range Forecast: Heavy rain (total 26mm), heaviest during Sun night. Warm (max 27°C on Sun morning, min 22°C on Tue night). Winds increasing (moderate winds from the ENE on Sun morning, near gales from the N by Mon afternoon).

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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.


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 12 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.