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Surf Forecasts:
Aha Rivermouth surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 2 pm Saturday 02 May 2026 JSTForecast 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
23.7° C
(Which is slightly cooler than normal)How big are the waves at Aha Rivermouth today?
The current surf forecast for Aha Rivermouth at 9PM is: 0.6m 10s primary swell from a East-southeast direction and 0.6m 7s secondary swell from a North direction (forecast issued at 02:00pm May 02). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (02 May) | - | - |
| Afternoon (02 May) | 2ft (0.6m) | 9s |
| Evening (02 May) | 2ft (0.6m) | 10s |
Table - waves today at Aha Rivermouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 25mm), heaviest during Mon morning. Warm (max 25°C on Sun morning, min 15°C on Mon night). Mainly fresh winds. | ||||||||||||||||||||||||
Sat 2 | Sunday 3 | Monday 4 | Tue 5 | |||||||||||||||||||||
12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
N 7 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | NNW 5 | ESE 9 | ESE 9 | N 5 | N 6 | N 6 | N 7 | NNW 8 | NNW 8 | NNW 7 | |
69 | 69 | 69 | 71 | 74 | 75 | 75 | 74 | 72 | 68 | 66 | 66 | 65 | 65 | 65 | 66 | 68 | 78 | 171 | 98 | 127 | 96 | 75 | 76 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | |
High Tide | 7:27PM1.67m | 6:51AM1.83m | 7:59PM1.63m | 7:14AM1.81m | 8:31PM1.58m | 7:39AM1.77m | ||||||||||||||||||
Low Tide | 1:03PM0.11m | 1:00AM0.70m | 1:31PM0.11m | 1:24AM0.77m | 1:59PM0.13m | 1:50AM0.84m | ||||||||||||||||||
 | | |  |  | |  |  | | | | |  |  |  |  | | | | | | | | | |
 | — | — | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:47 | — | — | — | — | — | — | — | 5:46 | — | — |
 | — | — | 6:59 | — | — | — | — | — | — | — | 6:59 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | 7:00 |
— | — | — | — | — | — | — | — | — | — | — | — | 1 | — | 1 | 6 | 2 | — | — | 2 | 3 | 2 | 5 | 2 | |
Temp °C | 20 | 20 | 21 | 21 | 21 | 22 | 22 | 23 | 25 | 25 | 25 | 25 | 22 | 20 | 19 | 19 | 21 | 20 | 19 | 18 | 17 | 17 | 15 | 15 |
18 | 18 | 19 | 19 | 19 | 21 | 21 | 22 | 23 | 24 | 25 | 25 | 21 | 16 | 14 | 18 | 16 | 14 | 13 | 14 | 15 | 14 | 12 | 11 | |
Swell 1 Height (m) Direction Period (s) | N 7 | N 7 | N 7 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | S 5 | W 7 | W 7 | ESE 9 | W 6 | W 7 | ESE 10 | N 6 | N 7 | NNW 8 | NNW 8 | NNW 7 |
 kJ | 59 | 47 | 47 | 71 | 74 | 75 | 75 | 74 | 72 | 68 | 66 | 66 | 31 | 62 | 44 | 66 | 38 | 34 | 71 | 98 | 127 | 96 | 75 | 76 |
Swell 2 Height (m) Direction Period (s) | ESE 9 | ESE 9 | ESE 9 | N 7 | N 7 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | N 6 | SSE 5 | ESE 9 | S 5 | ESE 9 | W 7 | ESE 9 | ESE 9 | W 7 | E 9 | ESE 9 | ESE 9 | ESE 9 | E 9 |
| kJ | 69 | 69 | 69 | 34 | 22 | 14 | 8 | 7 | 4 | 3 | 1 | 18 | 65 | 19 | 65 | 34 | 68 | 69 | 23 | 64 | 69 | 69 | 69 | 64 |
Swell 3 Height (m) Direction Period (s) | NE 9 | NE 9 | NE 8 | NE 8 | E 8 | — | NE 8 | — | SE 11 | SE 11 | SE 11 | N 6 | — | ESE 9 | SSE 5 | WNW 6 | N 7 | S 5 | E 11 | W 7 | W 7 | WNW 6 | NW 6 | W 6 |
| kJ | 3 | 3 | 3 | 3 | 1 | — | 3 | — | 5 | 5 | 5 | 1 | — | 65 | 8 | 15 | 4 | 2 | 2 | 15 | 8 | 17 | 11 | 1 |
Wind waves Height (m) Direction Period (s) | — | — | SE 2 | SSE 3 | SSE 4 | SSE 4 | S 4 | S 5 | S 5 | S 5 | SSW 5 | SW 5 | WSW 6 | NNW 4 | NNW 5 | NNW 5 | NNW 5 | N 5 | N 6 | N 6 | ENE 4 | ENE 4 | E 4 | E 3 |
| kJ | — | — | 1 | 4 | 10 | 16 | 28 | 41 | 53 | 70 | 70 | 69 | 68 | 19 | 64 | 45 | 49 | 78 | 171 | 71 | 10 | 4 | 4 | 6 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 12 | 12 | 12 | 605 | 605 | 605 | 639 | 664 | 664 | 664 | 0 | 627 | 46 | 639 | 627 | 639 | 681 | 681 | 605 | 40 | 12 | 12 | 40 | 68 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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