
Surf Forecasts:
How big are the waves at Aha Rivermouth today (30 Oct):
- Evening surf: Evening surf (30 Oct, local time) - 4.5ft (1.4m), 8s period with E swell.
The current surf forecast for Aha Rivermouth at 12AM is: 1.4m 8s primary swell from a East-southeast direction and 0.5m 7s secondary swell from a North-northwest direction, 0.2m 15s secondary swell from a East direction (forecast issued at 08:00pm October 29). The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Oct) | - | - |
| Afternoon (30 Oct) | - | - |
| Evening (30 Oct) | 4.5ft (1.4m) | 8s |
Table - waves today at Aha Rivermouth. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 13mm), heaviest on Thu night. Warm (max 26°C on Fri morning, min 23°C on Sat morning). Winds increasing (calm on Fri morning, fresh winds from the NNE by Sat morning). | ||||||||||||||||||
Thu 29 | Friday 30 | Saturday 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) | E 7 | E 8 | ESE 8 | ESE 7 | ESE 7 | E 9 | ESE 7 | E 9 | E 9 | ESE 9 | E 9 | E 12 | E 12 | ESE 12 | ESE 12 | E 20 | E 19 | E 18 |
Wave Graph | ||||||||||||||||||
124 | 251 | 257 | 188 | 121 | 88 | 139 | 194 | 169 | 132 | 113 | 294 | 262 | 176 | 189 | 284 | 361 | 653 | |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross | cross-off | cross-off | glassy | glassy | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on | on |
High Tide | 8:06PM1.97m | 9:38AM1.72m | 8:46PM1.87m | 10:37AM1.60m | ||||||||||||||
Low Tide | 2:58AM0.07m | 3:01PM0.93m | 3:48AM0.19m | 3:53PM1.03m | ||||||||||||||
— | — | — | — | 6:33 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | |
— | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — | |
mm | 2 | 2 | 4 | 4 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 23 |
Feels °C | 25 | 24 | 25 | 26 | 27 | 29 | 30 | 25 | 24 | 23 | 22 | 23 | 23 | 21 | 20 | 20 | 20 | 20 |
Swell 1 Height (m) Direction Period (s) | NNW 8 | NNW 7 | NNW 7 | NNW 7 | ESE 7 | ESE 6 | ESE 7 | E 9 | E 9 | ESE 9 | E 9 | E 12 | E 12 | ESE 12 | ESE 12 | ESE 13 | E 19 | E 18 |
58 | 42 | 30 | 30 | 121 | 88 | 139 | 194 | 169 | 132 | 99 | 294 | 262 | 176 | 189 | 165 | 361 | 653 | |
Swell 2 Height (m) Direction Period (s) | E 9 | E 15 | E 15 | E 14 | E 9 | E 9 | ESE 13 | E 13 | E 13 | E 12 | E 12 | E 22 | E 22 | E 15 | ENE 11 | E 20 | E 10 | E 10 |
54 | 17 | 17 | 36 | 59 | 78 | 60 | 85 | 82 | 113 | 113 | 9 | 37 | 38 | 38 | 284 | 100 | 98 | |
Swell 3 Height (m) Direction Period (s) | E 15 | ESE 15 | N 11 | N 10 | NNW 7 | NNW 7 | NNW 7 | NE 10 | NE 9 | NE 9 | ENE 8 | E 22 | E 18 | ESE 23 | ESE 21 | E 10 | E 14 | E 14 |
17 | 21 | 2 | 2 | 17 | 16 | 9 | 4 | 3 | 3 | 7 | 9 | 6 | 101 | 150 | 74 | 134 | 132 | |
Wind waves Height (m) Direction Period (s) | E 7 | E 8 | ESE 8 | ESE 7 | — | — | — | NNW 7 | N 4 | N 5 | N 5 | N 5 | NNE 5 | NNE 5 | NNE 5 | NNE 6 | NE 6 | NE 6 |
124 | 251 | 257 | 188 | — | — | — | 15 | 40 | 74 | 64 | 52 | 47 | 90 | 97 | 111 | 118 | 119 | |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 12 | 12 | 44 | 12 | 0 | 0 | 0 | 605 | 605 | 596 | 596 | 596 | 40 | 596 | 596 | 596 | 40 | 40 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
Header Global | ||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)










