Surf Forecasts:
How big are the waves at Aha Rivermouth today (30 Aug):
- Morning surf: Morning surf (30 Aug, local time) - 4ft (1.2m), 7s period with ESE swell.
- Afternoon surf: Afternoon surf (30 Aug, local time) - 4ft (1.2m), 7s period with ESE swell.
- Evening surf: Evening surf (30 Aug, local time) - 3.5ft (1.1m), 7s period with ESE swell.
The current surf forecast for Aha Rivermouth at 12AM is: 1.3m 7s primary swell from a East-southeast direction and 0.4m 12s secondary swell from a East-northeast direction (forecast issued at 08:00pm August 29). An open ocean swell of 0.8m 8s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Aug) | 4ft (1.2m) | 7s |
| Afternoon (30 Aug) | 4ft (1.2m) | 7s |
| Evening (30 Aug) | 3.5ft (1.1m) | 7s |
Table - waves today at Aha Rivermouth. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 14mm), heaviest on Tue afternoon. Warm (max 28°C on Sat night, min 27°C on Sat night). Mainly strong winds. | ||||||||||||||||||
Sat 29 | Sunday 30 | Monday 31 | ||||||||||||||||
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 |  |  |  |  |  |  |  | |||||||||||
Wave Height (m) Direction Period (s) | SE 7 | SE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 9 | ESE 9 | ESE 9 |
Wave Graph  | ||||||||||||||||||
 kJ | 255 | 255 | 163 | 163 | 129 | 124 | 132 | 125 | 132 | 120 | 115 | 115 | 156 | 215 | 345 | 647 | 791 | 972 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 7:43PM2.00m | 7:43AM2.08m | 8:08PM2.03m | 8:20AM2.05m | 8:34PM2.03m | |||||||||||||
Low Tide | 1:40AM0.57m | 1:58PM0.39m | 2:12AM0.48m | 2:28PM0.49m | ||||||||||||||
 |  | | | | | | | |  | | | |  | | | |  | |
 | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — |
 | 6:51 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:47 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 |
Temp °C | 28 | 28 | 28 | 28 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 27 | 27 |
Feels °C | 29 | 29 | 30 | 30 | 28 | 30 | 29 | 29 | 28 | 28 | 27 | 28 | 27 | 26 | 28 | 28 | 26 | 26 |
Swell 1 Height (m) Direction Period (s) | E 13 | E 12 | S 8 | S 8 | SSW 9 | SSW 9 | SSW 9 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | S 8 | S 8 | SSW 9 | S 9 | S 8 | SSW 8 | SSW 8 |
| kJ | 81 | 78 | 82 | 88 | 132 | 123 | 99 | 103 | 73 | 73 | 53 | 49 | 50 | 45 | 54 | 36 | 24 | 24 |
Swell 2 Height (m) Direction Period (s) | SW 9 | SW 9 | ENE 12 | ENE 12 | E 12 | E 12 | E 12 | ENE 12 | ENE 12 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | SW 9 | SW 9 | SW 9 | SW 9 |
| kJ | 37 | 29 | 50 | 49 | 73 | 72 | 71 | 46 | 44 | 43 | 43 | 42 | 40 | 40 | 13 | 13 | 13 | 14 |
Swell 3 Height (m) Direction Period (s) | W 8 | W 8 | SW 9 | SW 9 | SW 8 | SE 10 | SE 10 | SE 10 | SE 10 | SW 8 | SW 9 | SW 9 | SW 10 | S 8 | — | — | — | — |
| kJ | 11 | 5 | 29 | 27 | 11 | 4 | 4 | 4 | 4 | 11 | 13 | 13 | 14 | 12 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SE 7 | SE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 9 | ESE 9 | ESE 9 |
| kJ | 255 | 255 | 163 | 163 | 129 | 124 | 132 | 125 | 132 | 120 | 115 | 115 | 156 | 215 | 345 | 647 | 791 | 972 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 70 | 84 | 639 | 605 | 12 | 12 | 70 | 70 | 70 | 70 | 70 | 70 | 68 | 644 | 66 | 935 | 926 | 595 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
Header Global | ||||||||||||||||||
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