Surf Forecasts:
How big are the waves at Aha Rivermouth today (10 Jul):
- Afternoon surf: Afternoon surf (10 Jul, local time) - 25ft (7.5m), 17s period with SE swell.
- Evening surf: Evening surf (10 Jul, local time) - 28ft (8.5m), 17s period with SE swell.
The current surf forecast for Aha Rivermouth at 8PM is: 8.0m 17s primary swell from a Southeast direction (forecast issued at 02:00pm July 10). The wind direction is predicted to be cross-onshore and the swell rating is 11.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Jul) | - | - |
| Afternoon (10 Jul) | 25ft (7.5m) | 17s |
| Evening (10 Jul) | 28ft (8.5m) | 17s |
Table - waves today at Aha Rivermouth. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 25mm), heaviest during Fri afternoon. Warm (max 29°C on Fri night, min 28°C on Fri afternoon). Winds decreasing (severe gales from the ESE on Fri night, moderate winds from the SSE by Mon morning). | ||||||||||||||||||||||||
Fri 10 | Saturday 11 | Sunday 12 | Mon 13 | |||||||||||||||||||||
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) | SE 17 | SE 17 | SE 17 | SE 17 | SE 17 | SE 17 | SSE 17 | SSE 17 | SSE 16 | SSE 16 | SSE 14 | SSE 13 | SSE 13 | S 12 | SSE 12 | SSE 12 | SSE 11 | SE 14 | E 10 | SE 13 | SE 13 | E 10 | E 10 | E 9 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 26719 | 31730 | 34694 | 41149 | 46507 | 53455 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 8 | 7 | 7 | 16 | 16 | 16 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 4:01PM1.54m | 3:01AM1.80m | 5:12PM1.66m | 4:05AM1.88m | 6:04PM1.77m | 5:02AM1.97m | ||||||||||||||||||
Low Tide | 9:07AM0.54m | 9:04PM1.12m | 10:14AM0.38m | 10:19PM1.12m | 11:11AM0.23m | 11:20PM1.07m | ||||||||||||||||||
 | | |  | | | | | | | |  |  | | | |  | | | | |  |  | | |
 | — | — | — | — | — | 5:39 | — | — | — | — | — | — | — | 5:41 | — | — | — | — | — | — | — | 5:41 | — | — |
 | — | — | 7:22 | — | — | — | — | — | — | — | 7:22 | — | — | — | — | — | — | — | 7:22 | — | — | — | — | 7:22 |
mm | 2 | 3 | 2 | 2 | 2 | 1 | 2 | 3 | 2 | 2 | 1 | — | — | — | 1 | 2 | — | 1 | — | — | 1 | — | — | — |
Temp °C | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 29 | 28 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 29 |
Feels °C | 23 | 22 | 21 | 20 | 20 | 19 | 20 | 20 | 22 | 22 | 24 | 25 | 27 | 28 | 28 | 27 | 29 | 29 | 30 | 30 | 29 | 29 | 29 | 31 |
Swell 1 Height (m) Direction Period (s) | SE 17 | SSE 17 | — | — | — | SW 24 | — | — | — | — | SSW 15 | SSW 14 | SSW 14 | SSW 13 | SW 14 | SW 13 | SW 13 | SW 12 | SW 12 | W 11 | W 11 | W 10 | W 10 | W 12 |
| kJ | 26719 | 46690 | — | — | — | 87 | — | — | — | — | 11757 | 6099 | 2033 | 156 | 1167 | 1083 | 591 | 358 | 287 | 198 | 191 | 133 | 100 | 134 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | WSW 12 | WSW 12 | WSW 12 | W 12 | W 12 | SW 12 | WSW 11 | SW 11 | SW 10 | SW 10 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 186 | 29 | 232 | 224 | 220 | 152 | 81 | 58 | 50 | 25 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SE 14 | E 10 | SE 13 | SE 13 | E 10 | E 10 | E 9 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 8 | 8 | 7 | 7 | 16 | 16 | 16 |
Wind waves Height (m) Direction Period (s) | — | SE 17 | SE 17 | SE 17 | SE 17 | SE 17 | SSE 17 | SSE 17 | SSE 16 | SSE 16 | SSE 14 | SSE 13 | SSE 13 | S 12 | SSE 12 | SSE 12 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 10 | SSE 10 | SSE 10 | SSE 10 |
| kJ | — | 31730 | 34694 | 41149 | 46507 | 53455 | 56078 | 55001 | 40837 | 28048 | 18280 | 12059 | 8709 | 6146 | 3998 | 3246 | 2329 | 1941 | 1512 | 1245 | 1040 | 896 | 800 | 710 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 955 | 931 | 693 | 693 | 690 | 693 | 693 | 693 | 801 | 935 | 935 | 595 | 595 | 595 | 595 | 673 | 673 | 685 | 683 | 627 | 627 | 605 | 605 | 595 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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