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Aha Rivermouth ratings
Quality on a good day: 2.0
Consistency of Surf: 3.0
Difficulty Level: 3.0
Crowds: 3.0

Overall: 3.0

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Aha Rivermouth Surf Forecast / Okinawa / Japan

7 Day Weather and Surf, issued 2 pm Thursday 25 Feb 2021 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 21.7 °C (Statistics for 25 Feb 1981-2005 - mean: 21.7 max: 23.4 min: 20.6 °C)
Icon breakBreak
Icon legend buoysLive Wave Height (m)
Icon legend windLive Wind Speed (km/h)
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 21.7 °C (Statistics for 25 Feb 1981-2005 - mean: 21.7 max: 23.4 min: 20.6 °C)

Eyeball surf reportRecent Eyeball Surf Reports for Okinawa

  1. weather stationWind Update Cross-shore wind at Aha Rivermouth have swung cross-off (light winds from the SE at Nago 37 km from Aha Rivermouth). 0.6m 8 s period swell from NE with an additional 0.5m 7 s period swell from NNW , plus 1.5m 7 s period wind swell from ESE

    Aha Rivermouth
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37 km away, 52 min ago

Light
13 km/h
SE
21.3
21.7
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 7 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Feb 26) at 12AM. The primary swell is predicted to be 1.6m and 7s period with a secondary swell of 0.1m and 8s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Aha Rivermouth in the next 7 days are 5.0m 12s and forecast to arrive on Sunday (Feb 28) at 12PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 6s period and expected on Friday (Feb 26) at 3PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+)12AM (Fri 26th Feb)5ft (1.6m) 7s
Best Surf 6PM (Sat 27th Feb)13ft (4.0m) 11s
Most Powerful12PM (Sun 28th Feb)16ft (5.0m) 12s

Table - best surf conditions forecast for Aha Rivermouth over the next 7 days.

Updates in  hr  min  s Update imminent
Rating
(10 max)
Swell
Height Map
Wave Height (m) & direction (?)
Period(s) (?)
Wave
Graph
(?)Metric surfscale
Energy (?)
Wind
(km/h)
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
High Tide
/ height (m)
Low Tide
/ height (m)
Summary
Rain (mm)
High °C
Low °C
Chill °C (?)
Sunrise
Sunset
Thu
25
Friday
26
Saturday
27
Sunday
28
Monday
01
Tuesday
02
Wednesday
03
Thursday
04
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
0233102000011115200000000
T japan.htsgw.metric.6.cc23
T japan.htsgw.metric.24.cc23
T japan.htsgw.metric.48.cc23
T japan.htsgw.metric.72.cc23
T japan.htsgw.metric.96.cc23
T japan.htsgw.metric.120.cc23
T japan.htsgw.metric.144.cc23
T japan.htsgw.metric.168.cc23
1.9
ESE
1.6
ESE
1.6
E
1.6
E
1.5
ESE
1.4
SE
2.5
ENE
4
ENE
4
ENE
4.5
ENE
4
ENE
3.5
ENE
3
ENE
2.4
ENE
1.8
E
1.5
E
1.3
E
1.2
E
1.1
E
1.7
E
1.7
E
1.5
E
1.4
E
778888910111212121111101010101010101010
32821932434929328111383063371654424880342922681291720486347288237555557467418
30
ESE
20
SSE
20
S
15
W
20
NNW
25
E
30
SE
50
E
30
E
45
E
35
E
5
SSE
5
SW
15
SW
30
WNW
45
NNW
35
N
30
NE
30
NE
25
E
30
E
25
E
20
ESE
crosscross-
off
cross-
off
cross-
off
crosscross-
on
crosscross-
on
cross-
on
cross-
on
cross-
on
cross-
off
offoffcross-
off
cross-
on
cross-
on
ononcross-
on
cross-
on
cross-
on
cross-
on
5:31PM
1.60
6:47AM
1.62
6:14PM
1.73
7:16AM
1.69
6:55PM
1.82
7:45AM
1.74
7:36PM
1.87
8:15AM
1.76
8:17PM
1.86
8:45AM
1.76
8:59PM
1.78
9:17AM
1.72
9:46PM
1.65
9:51AM
1.66
12:13AM
-0.01
12:27PM
0.57
12:49AM
-0.08
1:01PM
0.43
1:25AM
-0.09
1:36PM
0.31
2:00AM
-0.05
2:12PM
0.22
2:35AM
0.05
2:51PM
0.17
3:11AM
0.20
3:33PM
0.16
3:48AM
0.38
4:20PM
0.20

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

Thu
25
Friday
26
Saturday
27
Sunday
28
Monday
01
Tuesday
02
Wednesday
03
Thursday
04
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
rain showers
thunderstorm
rain showers
clear
partially cloudy
moderate rain
moderate rain
rain showers
rain showers
rain showers
partially cloudy
clear
clear
clear
clear
partially cloudy
partially cloudy
partially cloudy
rain showers
partially cloudy
partially cloudy
partially cloudy
clear
rain shwrsrisk thund- derrain shwrsclearsome cloudsmod. rainmod. rainrain shwrsrain shwrsrain shwrssome cloudsclearclearclearclearsome cloudssome cloudssome cloudsrain shwrssome cloudssome cloudssome cloudsclear
1329--87843--------1----
2121212220191920201920212120211616151617171717
2119202120191919201920202119181515151616171717
2121212220181819201819212120211414131416161616
--6:54--6:52--6:52--6:50--6:50--6:48--6:48--
6:23--6:24--6:25--6:25--6:27--6:27--6:28--6:29-

Short Range Forecast: Heavy rain (total 72mm), heaviest during Thu night. Warm air temperatures (max 22°C on Fri afternoon, min 19°C on Thu night). Winds increasing (light winds from the SE on Thu night, strong winds from the E by Sat night).

Long Range Forecast: Some drizzle, heaviest during Wed afternoon. Warm air temperatures (max 21°C on Mon morning, min 15°C on Tue afternoon). Winds increasing (light winds from the SSE on Mon morning, strong winds from the NNW by Tue afternoon).

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.


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 7 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.