Surf Forecasts:
How big are the waves at Mainside today (15 Jul):
- Morning surf: Morning surf (15 Jul, local time) - 2ft (0.6m), 5s period with SW swell.
- Afternoon surf: Afternoon surf (15 Jul, local time) - 2ft (0.6m), 5s period with WSW swell.
- Evening surf: Evening surf (15 Jul, local time) - 2.5ft (0.7m), 5s period with WSW swell.
The current surf forecast for Mainside at 4PM is: 0.6m 5s primary swell from a West-southwest direction (forecast issued at 08:00am July 15). An open ocean swell of 0.6m 10s is not directed at the surf break, a second open ocean swell of 0.3m 11s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Jul) | 2ft (0.6m) | 5s |
| Afternoon (15 Jul) | 2ft (0.6m) | 5s |
| Evening (15 Jul) | 2.5ft (0.7m) | 5s |
Table - waves today at Mainside. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Thu morning, min 27°C on Wed morning). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 15 | Thursday 16 | Friday 17 | Sat 18 | |||||||||||||||||||||
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 | 12 AM | 3 AM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SW 4 | SW 5 | E 9 | WSW 5 | E 9 | WSW 5 | WSW 5 | E 9 | WSW 5 | WSW 5 | WSW 5 | WSW 5 | WSW 5 | WSW 5 | WSW 9 | E 10 | WSW 5 | WSW 5 | E 10 | E 10 | E 10 | W 6 | E 10 | W 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 14 | 19 | 6 | 19 | 7 | 21 | 17 | 6 | 24 | 27 | 28 | 26 | 20 | 20 | 0 | 7 | 44 | 39 | 8 | 8 | 8 | 27 | 8 | 22 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-on | cross-on | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross-on | cross | cross-on | cross-on | cross | cross | cross-on | cross-on |
High Tide | 7:16AM2.21m | 8:39PM2.07m | 8:02AM2.23m | 9:14PM2.08m | 8:47AM2.19m | 9:49PM2.07m | ||||||||||||||||||
Low Tide | 2:05PM0.03m | 2:17AM0.87m | 2:46PM0.08m | 2:59AM0.79m | 3:25PM0.18m | |||||||||||||||||||
 | | |  | |  |  | | | | | | | | | | | | | | | | | | |
 | 5:45 | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — | — | 5:46 |
 | — | — | — | — | 7:23 | — | — | — | — | — | — | — | 7:23 | — | — | — | — | — | — | — | 7:22 | — | — | 7:22 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 27 | 28 |
Feels °C | 28 | 29 | 29 | 29 | 30 | 30 | 30 | 30 | 30 | 30 | 32 | 32 | 31 | 30 | 29 | 29 | 29 | 29 | 30 | 31 | 31 | 29 | 29 | 30 |
Swell 1 Height (m) Direction Period (s) | SW 10 | SW 10 | S 7 | SW 10 | S 7 | SW 10 | SW 10 | S 7 | SW 10 | SW 10 | SW 10 | SW 9 | SW 9 | SW 9 | ESE 10 | E 10 | E 10 | SW 9 | E 10 | E 10 | E 10 | W 6 | W 6 | W 8 |
| kJ | 80 | 79 | 9 | 77 | 10 | 59 | 60 | 4 | 58 | 58 | 44 | 42 | 29 | 29 | 19 | 7 | 7 | 38 | 8 | 8 | 8 | 27 | 7 | 22 |
Swell 2 Height (m) Direction Period (s) | S 8 | S 7 | E 9 | ESE 11 | E 9 | S 7 | E 9 | E 9 | E 10 | E 9 | E 10 | E 10 | E 10 | E 10 | S 9 | SE 10 | W 8 | W 8 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | ESE 9 |
| kJ | 10 | 4 | 6 | 22 | 7 | 4 | 7 | 6 | 7 | 7 | 8 | 7 | 7 | 7 | 2 | 4 | 5 | 10 | 3 | 3 | 3 | 3 | 3 | 8 |
Swell 3 Height (m) Direction Period (s) | E 9 | E 9 | SE 11 | S 7 | SE 11 | E 10 | S 8 | SSW 10 | S 7 | S 7 | S 7 | S 7 | S 7 | SE 10 | S 7 | SW 9 | SE 10 | E 10 | S 7 | S 7 | S 7 | E 10 | E 10 | E 10 |
| kJ | 6 | 7 | 4 | 10 | 5 | 7 | 4 | 10 | 4 | 4 | 4 | 4 | 1 | 4 | 1 | 3 | 4 | 8 | 1 | 1 | 1 | 8 | 8 | 8 |
Wind waves Height (m) Direction Period (s) | SW 4 | SW 5 | SW 10 | WSW 5 | SW 10 | WSW 5 | WSW 5 | WSW 10 | WSW 5 | WSW 5 | WSW 5 | WSW 5 | WSW 5 | WSW 5 | WSW 9 | WSW 9 | WSW 5 | WSW 5 | WSW 7 | WSW 6 | WSW 6 | SW 8 | WSW 8 | SW 8 |
| kJ | 14 | 19 | 160 | 19 | 137 | 21 | 17 | 164 | 24 | 27 | 28 | 26 | 20 | 20 | 124 | 135 | 44 | 39 | 91 | 75 | 73 | 82 | 133 | 143 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 600 | 600 | 608 | 608 | 683 | 73 | 600 | 600 | 73 | 73 | 683 | 694 | 760 | 73 | 608 | 608 | 608 | 600 | 608 | 660 | 652 | 652 | 600 | 600 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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