Surf Forecasts:
How big are the waves at Aha Rivermouth today (20 Jun):
- Afternoon surf: Afternoon surf (20 Jun, local time) - 1.5ft (0.4m), 10s period with SE swell.
- Evening surf: Evening surf (20 Jun, local time) - 1.5ft (0.4m), 9s period with SE swell.
The current surf forecast for Aha Rivermouth at 7PM is: 0.4m 9s primary swell from a Southeast direction (forecast issued at 02:00pm June 20). An open ocean swell of 0.7m 6s is not directed at the surf break, a second 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 (20 Jun) | - | - |
| Afternoon (20 Jun) | 1.5ft (0.4m) | 10s |
| Evening (20 Jun) | 1.5ft (0.4m) | 9s |
Table - waves today at Aha Rivermouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 28°C on Sat afternoon, min 24°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sat 20 | Sunday 21 | Monday 22 | Tue 23 | |||||||||||||||||||||
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 |  |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SE 10 | SE 10 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | SE 12 | SE 11 | SE 11 | SE 10 | SE 10 | SE 11 | SE 11 | SE 11 | NE 10 | E 8 | E 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 23 | 23 | 22 | 22 | 29 | 40 | 39 | 39 | 52 | 50 | 50 | 50 | 50 | 73 | 189 | 179 | 216 | 240 | 187 | 363 | 389 | 4 | 6 | 12 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | off | cross-off | cross-off | off | off | off | cross-off | off | off | cross-off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 9:54AM1.77m | 11:12PM1.75m | 10:54AM1.63m | 00:01AM1.71m | 12:07PM1.49m | 00:54AM1.68m | ||||||||||||||||||
Low Tide | 4:35PM0.40m | 5:13AM0.87m | 5:25PM0.58m | 6:21AM0.84m | 6:19PM0.76m | 7:36AM0.79m | ||||||||||||||||||
 |  | |  |  | | | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | 5:33 | — | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — | — | 5:33 | — | — |
 | — | — | 7:22 | — | — | — | — | — | — | — | 7:22 | — | — | — | — | — | — | — | 7:22 | — | — | — | — | 7:22 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 28 | 27 | 25 | 25 | 25 | 25 | 26 | 27 | 27 | 27 | 26 | 25 | 25 | 24 | 26 | 27 | 27 | 27 | 26 | 25 | 26 | 26 | 27 |
Feels °C | 29 | 31 | 30 | 27 | 28 | 28 | 28 | 30 | 30 | 30 | 31 | 30 | 28 | 28 | 27 | 29 | 31 | 30 | 30 | 29 | 28 | 30 | 30 | 31 |
Swell 1 Height (m) Direction Period (s) | SE 10 | SE 10 | WSW 6 | W 7 | W 8 | W 8 | W 8 | W 7 | W 7 | W 7 | W 7 | W 7 | ESE 9 | ESE 9 | SE 11 | SE 11 | SE 10 | SE 10 | SE 11 | SE 11 | SE 11 | SE 12 | SE 11 | SSE 11 |
| kJ | 23 | 23 | 43 | 39 | 60 | 61 | 60 | 52 | 49 | 35 | 35 | 35 | 50 | 52 | 189 | 179 | 216 | 240 | 187 | 363 | 389 | 549 | 503 | 499 |
Swell 2 Height (m) Direction Period (s) | E 9 | E 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | W 7 | W 7 | W 7 | W 7 | W 7 | W 7 | SE 12 | W 6 | W 6 | WSW 6 | WSW 6 | WSW 6 |
| kJ | 14 | 14 | 22 | 22 | 29 | 40 | 39 | 39 | 52 | 50 | 50 | 50 | 36 | 34 | 22 | 22 | 23 | 14 | 124 | 12 | 12 | 8 | 7 | 7 |
Swell 3 Height (m) Direction Period (s) | ENE 10 | ENE 10 | E 9 | E 9 | E 8 | E 8 | E 8 | E 8 | NE 9 | NE 9 | SE 11 | ESE 14 | SE 13 | SE 12 | NE 9 | NE 9 | NE 10 | NE 10 | WSW 6 | NW 6 | NNW 6 | NE 10 | E 8 | E 8 |
| kJ | 9 | 9 | 14 | 13 | 6 | 5 | 5 | 6 | 3 | 3 | 5 | 18 | 44 | 73 | 3 | 3 | 4 | 4 | 14 | 2 | 4 | 4 | 6 | 12 |
Wind waves Height (m) Direction Period (s) | SW 6 | WSW 6 | SSW 3 | SSW 3 | SSW 3 | S 3 | — | SW 3 | SW 7 | SSW 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 42 | 35 | 3 | 3 | 3 | 2 | — | 3 | 8 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 914 | 17 | 12 | 70 | 12 | 17 | 12 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 17 | 17 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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