Surf Forecasts:
How big are the waves at Aha Rivermouth today (30 Aug):
- Morning surf: Morning surf (30 Aug, local time) - 3.5ft (1.1m), 7s period with ESE swell.
- Afternoon surf: Afternoon surf (30 Aug, local time) - 3.5ft (1.1m), 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 3PM is: 1.1m 7s primary swell from a East-southeast direction and 0.4m 12s secondary swell from a East-northeast direction (forecast issued at 08:00am August 30). 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) | 3.5ft (1.1m) | 7s |
| Afternoon (30 Aug) | 3.5ft (1.1m) | 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 18mm), heaviest on Tue morning. Warm (max 28°C on Sun morning, min 27°C on Sun afternoon). Winds decreasing (fresh winds from the E on Mon night, light winds from the SSE by Tue afternoon). | ||||||||||||||||||||||
Sunday 30 | Monday 31 | Tuesday 1 | ||||||||||||||||||||
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 | 12 PM | 3 PM | 6 PM | 9 PM | |
Swell Height Map |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | 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 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 9 | E 9 | E 9 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 132 | 105 | 108 | 111 | 99 | 118 | 118 | 115 | 128 | 158 | 245 | 477 | 589 | 662 | 824 | 931 | 931 | 953 | 1003 | 888 | 759 | 715 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross-off | cross-off |
High Tide | 7:43AM2.08m | 8:08PM2.03m | 8:20AM2.05m | 8:34PM2.03m | 9:00AM1.97m | |||||||||||||||||
Low Tide | 1:58PM0.39m | 2:12AM0.48m | 2:28PM0.49m | 2:48AM0.43m | 2:59PM0.63m | |||||||||||||||||
 |  | | |  | | | |  | | | | | |  | | |  | | | | | |
 | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — |
 | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:46 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 2 | 3 | 3 | 2 | 1 | 1 |
Temp °C | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 |
Feels °C | 29 | 30 | 29 | 30 | 28 | 28 | 27 | 28 | 27 | 26 | 26 | 28 | 27 | 26 | 26 | 26 | 26 | 27 | 28 | 30 | 32 | 31 |
Swell 1 Height (m) Direction Period (s) | SSW 9 | SSW 9 | SSW 9 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | S 8 | S 8 | SSW 9 | S 8 | S 8 | S 8 | SSW 8 | SSW 8 | SW 9 | SSW 8 | SSW 8 | SSW 8 | SW 12 | SSW 12 | E 9 |
| kJ | 132 | 123 | 99 | 96 | 94 | 73 | 53 | 50 | 50 | 45 | 52 | 51 | 37 | 24 | 14 | 12 | 13 | 14 | 23 | 114 | 255 | 715 |
Swell 2 Height (m) Direction Period (s) | E 12 | E 12 | E 12 | ENE 12 | ENE 12 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | SW 9 | WSW 9 | SW 9 | SW 10 | SW 9 | S 8 | SW 10 | SW 10 | SW 10 | S 8 | S 8 | SSW 12 |
| kJ | 73 | 72 | 71 | 46 | 44 | 43 | 43 | 42 | 40 | 40 | 13 | 8 | 13 | 14 | 13 | 5 | 14 | 14 | 16 | 21 | 19 | 336 |
Swell 3 Height (m) Direction Period (s) | SW 8 | SE 10 | SE 10 | SE 10 | SE 10 | SW 8 | SW 9 | SW 9 | SW 10 | S 8 | — | — | — | — | S 8 | SSW 8 | S 8 | E 15 | E 15 | E 15 | E 14 | E 14 |
| kJ | 11 | 4 | 4 | 4 | 4 | 11 | 13 | 13 | 14 | 12 | — | — | — | — | 5 | 7 | 5 | 18 | 18 | 17 | 37 | 35 |
Wind waves Height (m) Direction Period (s) | 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 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 9 | E 9 | — |
| kJ | 132 | 105 | 108 | 111 | 99 | 118 | 118 | 115 | 128 | 158 | 245 | 477 | 589 | 662 | 824 | 931 | 931 | 953 | 1003 | 888 | 759 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 12 | 12 | 12 | 70 | 70 | 70 | 70 | 70 | 68 | 70 | 66 | 68 | 595 | 681 | 681 | 681 | 706 | 801 | 68 | 46 | 0 | 0 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||
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