Aha Rivermouth Surf Forecast
/ Okinawa (32 surf breaks) / Japan (128 surf breaks) / Lat Long: (26.72° N 128.30° E)
Aha Rivermouth Surf Forecast / Okinawa / Japan
37 km away, 52 min ago

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 Type | Time (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 Powerful | 12PM (Sun 28th Feb) | 16ft (5.0m) 12s |
Table - best surf conditions forecast for Aha Rivermouth over the next 7 days.
Rating (10 max) |
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Swell Height Map |
Wave Height (m) & direction (?) |
Period(s) (?) |
Wave (?)Graph ![]() |
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 | |||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night |
![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
ESE | ESE | E | E | ESE | SE | ENE | ENE | ENE | ENE | ENE | ENE | ENE | ENE | E | E | E | E | E | E | E | E | E |
7 | 7 | 8 | 8 | 8 | 8 | 9 | 10 | 11 | 12 | 12 | 12 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
328 | 219 | 324 | 349 | 293 | 281 | 1138 | 3063 | 3716 | 5442 | 4880 | 3429 | 2268 | 1291 | 720 | 486 | 347 | 288 | 237 | 555 | 557 | 467 | 418 |
ESE | SSE | S | W | NNW | E | SE | E | E | E | E | SSE | SW | SW | WNW | NNW | N | NE | NE | E | E | E | ESE |
cross | cross- off | cross- off | cross- off | cross | cross- on | cross | cross- on | cross- on | cross- on | cross- on | cross- off | off | off | cross- off | cross- on | cross- on | on | on | cross- 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 | ||||||||||||||||||||||
Thu 25 | Friday 26 | Saturday 27 | Sunday 28 | Monday 01 | Tuesday 02 | Wednesday 03 | Thursday 04 | |||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night |
rain shwrs | risk thund- der | rain shwrs | clear | some clouds | mod. rain | mod. rain | rain shwrs | rain shwrs | rain shwrs | some clouds | clear | clear | clear | clear | some clouds | some clouds | some clouds | rain shwrs | some clouds | some clouds | some clouds | clear |
1 | 32 | 9 | - | - | 8 | 7 | 8 | 4 | 3 | - | - | - | - | - | - | - | - | 1 | - | - | - | - |
21 | 21 | 21 | 22 | 20 | 19 | 19 | 20 | 20 | 19 | 20 | 21 | 21 | 20 | 21 | 16 | 16 | 15 | 16 | 17 | 17 | 17 | 17 |
21 | 19 | 20 | 21 | 20 | 19 | 19 | 19 | 20 | 19 | 20 | 20 | 21 | 19 | 18 | 15 | 15 | 15 | 16 | 16 | 17 | 17 | 17 |
21 | 21 | 21 | 22 | 20 | 18 | 18 | 19 | 20 | 18 | 19 | 21 | 21 | 20 | 21 | 14 | 14 | 13 | 14 | 16 | 16 | 16 | 16 |
- | - | 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). |
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View detailed surf forecast for Aha Rivermouth at:
surf-forecast.com
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.