Surf Forecasts:
How big are the waves at Rock Island today (12 Nov):
- Afternoon surf: Afternoon surf (12 Nov, local time) - 1ft (0.3m), 9s period with SSE swell.
- Evening surf: Evening surf (12 Nov, local time) - 1ft (0.3m), 9s period with SSE swell.
The current surf forecast for Rock Island at 6PM is: 0.3m 9s primary swell from a South-southeast direction and 0.1m 8s secondary swell from a Southeast direction, 0.6m 4s secondary swell from a South-southwest direction (forecast issued at 02:00pm November 12). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Nov) | - | - |
| Afternoon (12 Nov) | 1ft (0.3m) | 9s |
| Evening (12 Nov) | 1ft (0.3m) | 9s |
Table - waves today at Rock Island. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Sun morning. Very mild (max 18°C on Thu afternoon, min 13°C on Sun morning). Wind will be generally light. | |||||||||||||||||||||||
Thu 12 | Friday 13 | Saturday 14 | Sun 15 | ||||||||||||||||||||
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 | |
Swell Height Map |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SSE 10 | SSE 9 | SSE 9 | SSE 9 | SW 4 | SSE 9 | SW 4 | SW 4 | SW 4 | E 10 | SSW 4 | SSW 4 | S 4 | S 5 | S 5 | S 5 | S 5 | S 5 | SE 11 | SE 11 | SE 9 | S 6 | S 6 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 19 | 17 | 16 | 16 | 8 | 8 | 15 | 10 | 5 | 3 | 3 | 3 | 3 | 5 | 5 | 4 | 4 | 4 | 5 | 5 | 3 | 12 | 29 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-off | off | cross-off | cross-off | glassy | glassy | off | off | off | glassy | glassy | glassy | glassy | off | off | glassy |
High Tide | 5:23PM1.53m | 7:57AM1.45m | 5:56PM1.51m | 8:46AM1.41m | 6:32PM1.47m | ||||||||||||||||||
Low Tide | 12:10PM1.01m | 00:40AM0.03m | 12:47PM1.05m | 1:21AM0.06m | 1:28PM1.08m | 2:05AM0.13m | |||||||||||||||||
 | |  | |  | | | | | | |  | | | |  |  | | | | | | | |
 | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:15 |
 | — | 4:37 | — | — | — | — | — | — | — | 4:37 | — | — | — | — | — | — | — | 4:36 | — | — | — | — | 4:36 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 18 | 18 | 17 | 17 | 16 | 16 | 14 | 16 | 17 | 18 | 18 | 17 | 16 | 16 | 16 | 17 | 17 | 18 | 18 | 17 | 17 | 17 |
Feels °C | 13 | 14 | 13 | 14 | 14 | 13 | 14 | 12 | 14 | 15 | 16 | 16 | 15 | 13 | 14 | 14 | 15 | 15 | 16 | 16 | 14 | 14 | 15 |
Swell 1 Height (m) Direction Period (s) | SSE 10 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SW 4 | SW 4 | SSW 4 | SSW 4 | SSW 4 | SSW 4 | S 4 | S 5 | S 5 | S 5 | S 5 | S 5 | S 5 | S 5 | S 4 | S 6 | S 6 |
| kJ | 19 | 17 | 16 | 16 | 8 | 8 | 4 | 4 | 2 | 2 | 2 | 2 | 1 | 4 | 4 | 4 | 4 | 2 | 2 | 2 | 2 | 12 | 29 |
Swell 2 Height (m) Direction Period (s) | SE 9 | SE 8 | SE 8 | E 8 | E 8 | E 8 | SSE 8 | SE 8 | SE 8 | SE 8 | SE 8 | — | SE 8 | E 8 | SE 12 | SE 11 | SE 11 | SE 10 | SE 11 | E 10 | SE 9 | E 11 | E 10 |
| kJ | 3 | 3 | 2 | 1 | 1 | 1 | 7 | 3 | 3 | 3 | 3 | — | 3 | 1 | 5 | 4 | 4 | 4 | 5 | 2 | 3 | 2 | 2 |
Swell 3 Height (m) Direction Period (s) | E 11 | E 11 | E 11 | E 11 | E 10 | E 11 | E 11 | E 11 | E 11 | E 10 | — | SE 8 | — | SE 12 | E 8 | — | E 8 | E 8 | — | SE 11 | S 6 | — | — |
| kJ | 2 | 2 | 2 | 2 | 2 | 3 | 2 | 2 | 2 | 2 | — | 3 | — | 5 | 1 | — | 1 | 1 | — | 5 | 1 | — | — |
Wind waves Height (m) Direction Period (s) | SSW 3 | SSW 3 | SSW 4 | SW 4 | SW 4 | SW 4 | SW 4 | SW 4 | SW 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 1 | 3 | 8 | 6 | 6 | 5 | 15 | 10 | 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 16 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 54 | 54 | 54 | 54 | 54 | 54 | 54 | 51 | 54 | 54 | 61 | 51 | 16 | 16 |
Best forecast wave conditions in Kanagawa | |||||||||||||||||||||||
Best forecast wave conditions in Japan | |||||||||||||||||||||||
Header Global | |||||||||||||||||||||||
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