Surf Forecasts:
How big are the waves at Aha Rivermouth today (18 Jun):
- Afternoon surf: Afternoon surf (18 Jun, local time) - 1ft (0.3m), 9s period with E swell.
- Evening surf: Evening surf (18 Jun, local time) - 1ft (0.3m), 9s period with E swell.
The current surf forecast for Aha Rivermouth at 9PM is: 0.3m 9s primary swell from a East direction and 0.2m 8s secondary swell from a East-northeast direction (forecast issued at 02:00pm June 18). An open ocean swell of 0.4m 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 (18 Jun) | - | - |
| Afternoon (18 Jun) | 1ft (0.3m) | 9s |
| Evening (18 Jun) | 1ft (0.3m) | 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 25°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Thu 18 | Friday 19 | Saturday 20 | Sun 21 | |||||||||||||||||||||
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) | NE 8 | E 9 | E 9 | E 9 | SE 10 | E 9 | E 9 | E 9 | E 9 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 9 | SE 9 | ESE 9 | SE 9 | SE 9 | SE 9 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 18 | 15 | 15 | 15 | 14 | 15 | 15 | 15 | 15 | 15 | 24 | 24 | 25 | 25 | 24 | 24 | 23 | 23 | 22 | 22 | 32 | 40 | 39 | 39 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | off | off | off |
High Tide | 9:42PM1.83m | 9:02AM1.90m | 10:26PM1.79m | 9:54AM1.77m | 11:12PM1.75m | |||||||||||||||||||
Low Tide | 3:04PM0.09m | 3:19AM0.87m | 3:49PM0.23m | 4:13AM0.87m | 4:35PM0.40m | 5:13AM0.87m | ||||||||||||||||||
 | |  |  |  | | | | | | | | | | | | | | | |  | | | | |
 | — | — | — | — | — | 5:33 | — | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — | — | 5:33 | — | — |
 | — | — | 7:22 | — | — | — | — | — | — | — | 7:22 | — | — | — | — | — | — | — | 7:22 | — | — | — | — | 7:22 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 27 | 27 | 26 | 26 | 25 | 25 | 26 | 26 | 27 | 26 | 25 | 25 | 25 | 25 | 26 | 27 | 28 | 27 | 26 | 25 | 25 | 25 | 26 |
Feels °C | 29 | 29 | 30 | 29 | 30 | 28 | 28 | 29 | 28 | 29 | 28 | 27 | 27 | 27 | 27 | 28 | 29 | 31 | 30 | 29 | 28 | 28 | 28 | 28 |
Swell 1 Height (m) Direction Period (s) | W 6 | WSW 6 | W 6 | WSW 6 | W 7 | E 9 | E 9 | W 6 | W 7 | WSW 6 | SE 10 | SE 10 | WSW 6 | W 6 | W 7 | W 7 | W 6 | W 7 | W 7 | WSW 8 | W 8 | WSW 8 | SE 9 | WSW 8 |
| kJ | 12 | 12 | 10 | 10 | 8 | 15 | 15 | 12 | 15 | 13 | 24 | 24 | 11 | 18 | 33 | 32 | 41 | 43 | 63 | 104 | 80 | 94 | 39 | 81 |
Swell 2 Height (m) Direction Period (s) | NE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | E 9 | E 9 | SE 10 | E 9 | E 9 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 9 | SE 9 | ESE 9 | SE 9 | E 8 | SE 9 |
| kJ | 18 | 14 | 14 | 7 | 7 | 7 | 8 | 15 | 15 | 15 | 15 | 14 | 25 | 25 | 24 | 24 | 23 | 23 | 22 | 22 | 32 | 40 | 5 | 39 |
Swell 3 Height (m) Direction Period (s) | E 10 | E 9 | E 9 | E 9 | SE 10 | SE 9 | ESE 9 | SE 9 | SE 9 | E 9 | ENE 10 | ENE 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 8 | E 8 | NE 9 | E 8 |
| kJ | 16 | 15 | 15 | 15 | 14 | 3 | 8 | 13 | 14 | 15 | 10 | 10 | 15 | 15 | 14 | 6 | 6 | 14 | 13 | 13 | 6 | 5 | 3 | 6 |
Wind waves Height (m) Direction Period (s) | SSW 6 | SSW 3 | SSW 6 | SSW 3 | SSW 3 | SW 6 | SW 6 | SSW 3 | S 3 | S 4 | SW 6 | SW 6 | S 3 | S 4 | S 4 | S 4 | S 4 | S 4 | SSW 4 | SSW 4 | SSW 3 | SSW 4 | WSW 7 | SSW 3 |
| kJ | 15 | 6 | 14 | 3 | 4 | 25 | 19 | 3 | 5 | 6 | 29 | 20 | 5 | 9 | 10 | 10 | 11 | 7 | 5 | 7 | 3 | 7 | 73 | 5 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 627 | 17 | 639 | 621 | 596 | 605 | 644 | 596 | 644 | 919 | 928 | 70 | 605 | 605 | 70 | 673 | 951 | 1235 | 12 | 70 | 12 | 12 | 12 | 12 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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