Surf Forecasts:
How big are the waves at Aha Rivermouth today (28 Sep):
- Morning surf: Morning surf (28 Sep, local time) - 7ft (2.1m), 10s period with ENE swell.
- Afternoon surf: Afternoon surf (28 Sep, local time) - 4.5ft (1.4m), 9s period with ENE swell.
- Evening surf: Evening surf (28 Sep, local time) - 4ft (1.2m), 9s period with ENE swell.
The current surf forecast for Aha Rivermouth at 2AM is: 3.5m 10s primary swell from a East direction and 1.7m 6s secondary swell from a North direction (forecast issued at 08:00pm September 27). An open ocean swell of 0.5m 10s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Sep) | 7ft (2.1m) | 10s |
| Afternoon (28 Sep) | 4.5ft (1.4m) | 9s |
| Evening (28 Sep) | 4ft (1.2m) | 9s |
Table - waves today at Aha Rivermouth. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 40mm), heaviest during Sun night. Warm (max 28°C on Sun night, min 27°C on Sun night). Winds decreasing (gales from the NNE on Sun night, light winds from the NNW by Tue night). | ||||||||||||||||||
Sun 27 | Monday 28 | Tuesday 29 | ||||||||||||||||
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) | SSE 13 | SE 12 | ESE 10 | E 10 | E 10 | ENE 10 | ENE 10 | ENE 9 | ENE 10 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | NE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 |
Wave Graph  | ||||||||||||||||||
 kJ | 0 | 6026 | 2692 | 2095 | 1320 | 752 | 518 | 336 | 299 | 253 | 197 | 164 | 168 | 203 | 133 | 119 | 94 | 94 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross | cross | cross |
High Tide | 7:04PM2.03m | 7:32AM2.07m | 7:30PM2.05m | 8:10AM2.03m | 7:59PM2.05m | |||||||||||||
Low Tide | 1:16AM0.29m | 1:32PM0.51m | 1:50AM0.21m | 2:03PM0.62m | ||||||||||||||
 |  | | | | | |  |  |  | | | | | | | |  | |
 | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — |
 | 6:17 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:15 | — |
mm | 3 | 17 | 6 | 2 | 5 | 3 | 1 | — | — | — | — | — | — | — | 1 | 4 | — | — |
Temp °C | 27 | 27 | 28 | 28 | 27 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 27 | 27 |
Feels °C | 22 | 19 | 22 | 25 | 25 | 27 | 28 | 29 | 30 | 28 | 29 | 29 | 28 | 29 | 28 | 29 | 29 | 30 |
Swell 1 Height (m) Direction Period (s) | SSE 13 | SE 12 | ESE 10 | E 10 | E 10 | ENE 10 | ENE 10 | ENE 9 | ENE 10 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | NE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 |
| kJ | 7622 | 6026 | 2692 | 2095 | 1320 | 752 | 518 | 336 | 299 | 253 | 197 | 164 | 168 | 203 | 133 | 119 | 94 | 94 |
Swell 2 Height (m) Direction Period (s) | — | SE 11 | — | S 10 | S 10 | S 8 | SSE 7 | SSE 7 | S 6 | S 6 | SSE 6 | SSE 6 | SSE 6 | S 5 | SE 9 | SSE 9 | SE 9 | WNW 5 |
| kJ | — | 437 | — | 50 | 45 | 28 | 17 | 9 | 7 | 3 | 7 | 6 | 6 | 2 | 3 | 8 | 3 | 26 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | SSE 8 | — | — | SE 8 | SE 8 | SSE 8 | — | — | — | SE 9 | — | — | — | W 6 |
| kJ | — | — | — | — | 19 | — | — | 3 | 3 | 6 | — | — | — | 3 | — | — | — | 3 |
Wind waves Height (m) Direction Period (s) | SSE 13 | NNE 5 | NNE 6 | N 6 | NNW 6 | NNW 6 | NNW 5 | NNW 5 | NW 5 | NW 5 | NW 5 | NW 4 | NW 4 | WNW 3 | WNW 4 | WNW 4 | WNW 5 | — |
| kJ | 17921 | 36 | 318 | 191 | 143 | 115 | 93 | 61 | 45 | 38 | 26 | 16 | 9 | 3 | 15 | 33 | 33 | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 627 | 605 | 596 | 595 | 595 | 595 | 685 | 31 | 75 | 75 | 45 | 30 | 30 | 30 | 75 | 75 | 75 | 46 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
Header Global | ||||||||||||||||||
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