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Surf Forecasts:
Aha Rivermouth surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 2 am Tuesday 02 Jun 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
24.8° C
(Which is 1.2°C colder than average for this time of year)How big are the waves at Aha Rivermouth today (02 Jun):
- Afternoon surf: Afternoon surf (02 Jun, local time) - 1ft (0.3m), 11s period with ENE swell.
- Evening surf: Evening surf (02 Jun, local time) - 5ft (1.5m), 9s period with N swell.
The current surf forecast for Aha Rivermouth at 6AM is: 1.1m 9s primary swell from a East-southeast direction and 1.0m 9s secondary swell from a East direction (forecast issued at 02:00am June 02). An open ocean swell of 4.5m 9s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (02 Jun) | - | - |
| Afternoon (02 Jun) | 1ft (0.3m) | 11s |
| Evening (02 Jun) | 5ft (1.5m) | 9s |
Table - waves today at Aha Rivermouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 2mm), mostly falling on Tue morning. Warm (max 28°C on Thu afternoon, min 25°C on Tue night). Winds decreasing (near gales from the WSW on Tue morning, light winds from the WSW by Tue night). | ||||||||||||||||||||||||
Tuesday 2 | Wednesday 3 | Thursday 4 | ||||||||||||||||||||||
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 | 12 PM | 3 PM | 6 PM | 9 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
E 10 | E 10 | ESE 9 | W 9 | W 8 | ENE 11 | NNW 9 | N 9 | N 9 | N 9 | N 9 | N 9 | N 9 | N 8 | N 8 | N 8 | N 8 | N 7 | N 7 | N 7 | E 10 | E 10 | E 10 | E 10 | |
849 | 423 | 206 | 0 | 0 | 22 | 355 | 380 | 431 | 320 | 264 | 225 | 175 | 136 | 104 | 74 | 54 | 39 | 37 | 23 | 17 | 17 | 17 | 16 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | cross-off | off | cross-off | off | off | off | cross-off | off | off | off | off | off | off | |
High Tide | 6:50AM1.83m | 8:28PM1.65m | 7:21AM1.81m | 9:02PM1.64m | 7:54AM1.77m | |||||||||||||||||||
Low Tide | 1:09AM0.98m | 1:45PM0.18m | 1:41AM1.00m | 2:17PM0.21m | 2:16AM1.02m | 2:52PM0.26m | ||||||||||||||||||
 | |  | | |  | |  | | | | | | | | | |  | | |  | | | | |
 | — | 5:33 | — | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:16 | — |
5 | 3 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 26 | 26 | 26 | 26 | 26 | 27 | 26 | 26 | 25 | 25 | 25 | 26 | 27 | 27 | 27 | 26 | 25 | 26 | 26 | 26 | 27 | 28 | 27 | 26 |
19 | 17 | 19 | 21 | 22 | 25 | 26 | 29 | 28 | 28 | 28 | 29 | 30 | 30 | 30 | 29 | 28 | 29 | 28 | 27 | 28 | 29 | 28 | 28 | |
Swell 1 Height (m) Direction Period (s) | E 10 | E 10 | E 9 | SSE 10 | SSE 10 | SSE 9 | NNW 9 | N 9 | N 9 | N 9 | N 9 | N 9 | N 9 | N 8 | N 8 | N 8 | N 8 | N 7 | N 7 | N 7 | SSE 6 | N 6 | E 10 | E 10 |
 kJ | 849 | 423 | 180 | 867 | 528 | 351 | 355 | 380 | 431 | 320 | 264 | 225 | 175 | 136 | 104 | 74 | 54 | 39 | 37 | 23 | 22 | 13 | 17 | 16 |
Swell 2 Height (m) Direction Period (s) | — | — | ESE 9 | — | — | ENE 11 | SSE 8 | W 7 | SSE 8 | SSE 8 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 6 | SSE 6 | S 6 | SSE 6 | E 10 | N 7 | E 10 | N 6 | N 6 |
| kJ | — | — | 206 | — | — | 22 | 262 | 198 | 135 | 99 | 76 | 70 | 49 | 48 | 35 | 33 | 23 | 29 | 22 | 17 | 14 | 17 | 7 | 6 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | E 10 | SSE 8 | W 6 | W 6 | W 6 | E 10 | W 5 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | ESE 11 | E 10 | SE 11 | SE 11 | SE 11 |
| kJ | — | — | — | — | — | — | 18 | 206 | 84 | 47 | 16 | 17 | 5 | 17 | 17 | 17 | 17 | 17 | 17 | 12 | 17 | 5 | 5 | 4 |
Wind waves Height (m) Direction Period (s) | S 13 | S 12 | SW 9 | W 9 | W 8 | WNW 8 | W 8 | W 7 | — | WSW 6 | — | SW 3 | WSW 5 | — | WSW 5 | — | — | W 4 | SW 3 | S 6 | SW 4 | SSW 6 | SSW 6 | SW 6 |
| kJ | 15073 | 7711 | 3482 | 1996 | 1601 | 1125 | 319 | 109 | — | 22 | — | 1 | 6 | — | 2 | — | — | 1 | 2 | 38 | 16 | 52 | 51 | 51 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 664 | 664 | 673 | 673 | 673 | 746 | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 621 | 693 | 605 | 621 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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