Surf Forecasts:
How big are the waves at Rock Island today (08 Jul):
- Afternoon surf: Afternoon surf (08 Jul, local time) - 5ft (1.5m), 16s period with SSE swell.
- Evening surf: Evening surf (08 Jul, local time) - 5ft (1.6m), 15s period with SSE swell.
The current surf forecast for Rock Island at 7PM is: 1.6m 15s primary swell from a South-southeast direction and 0.4m 8s secondary swell from a East-southeast direction (forecast issued at 02:00pm July 08). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (08 Jul) | - | - |
| Afternoon (08 Jul) | 5ft (1.5m) | 16s |
| Evening (08 Jul) | 5ft (1.6m) | 15s |
Table - waves today at Rock Island. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 25°C on Wed afternoon, min 23°C on Wed night). Winds increasing (light winds from the S on Wed night, fresh winds from the S by Fri afternoon). | ||||||||||||||||||||||||
Wed 8 | Thursday 9 | Friday 10 | Sat 11 | |||||||||||||||||||||
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) | SSE 16 | SSE 16 | SSE 15 | SSE 15 | SSE 14 | SSE 14 | SSE 13 | S 14 | SSE 14 | SSE 14 | SSE 13 | S 14 | S 15 | S 15 | S 14 | S 15 | S 16 | S 16 | S 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 17 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 1096 | 1055 | 1074 | 1045 | 980 | 953 | 454 | 912 | 811 | 788 | 507 | 780 | 1070 | 1212 | 902 | 1074 | 1928 | 2114 | 2294 | 2368 | 2424 | 2455 | 2616 | 2809 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | on | on | cross-on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on |
High Tide | 11:09AM1.11m | 11:00PM1.35m | 12:55PM1.10m | 11:41PM1.36m | 2:42PM1.15m | 00:30AM1.37m | ||||||||||||||||||
Low Tide | 4:34PM0.76m | 6:12AM0.50m | 5:31PM0.91m | 7:19AM0.39m | 6:45PM1.02m | 8:19AM0.28m | ||||||||||||||||||
 |  | |  | | | | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | 4:33 | — | — | — | — | — | — | — | 4:33 | — | — | — | — | — | — | — | 4:35 | — | — |
 | — | — | 6:59 | — | — | — | — | — | — | — | 6:59 | — | — | — | — | — | — | — | 6:59 | — | — | — | — | 6:58 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 25 | 23 | 23 | 23 | 23 | 23 | 24 | 25 | 25 | 24 | 24 | 23 | 23 | 24 | 25 | 25 | 25 | 24 | 24 | 23 | 23 | 24 |
Feels °C | 26 | 25 | 25 | 24 | 25 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 25 | 25 | 25 | 24 | 24 | 24 | 25 | 24 | 24 | 25 |
Swell 1 Height (m) Direction Period (s) | SSE 16 | SSE 16 | SSE 15 | SSE 15 | SSE 14 | SSE 14 | SSE 13 | S 14 | SSE 14 | SSE 14 | SSE 13 | S 14 | S 15 | S 15 | S 14 | S 15 | S 16 | S 16 | S 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 17 |
| kJ | 1096 | 1055 | 1074 | 1045 | 980 | 953 | 454 | 912 | 811 | 788 | 507 | 780 | 1070 | 1212 | 902 | 1074 | 1928 | 2114 | 2294 | 2368 | 2424 | 2455 | 2616 | 2809 |
Swell 2 Height (m) Direction Period (s) | — | S 18 | ESE 8 | ESE 8 | ESE 8 | — | S 15 | ESE 8 | S 18 | S 18 | S 15 | S 16 | ESE 8 | SSW 17 | SSW 18 | SSW 18 | — | — | SE 11 | SE 10 | SE 10 | — | — | — |
| kJ | — | 422 | 19 | 21 | 21 | — | 446 | 25 | 224 | 300 | 470 | 188 | 24 | 702 | 585 | 572 | — | — | 110 | 76 | 100 | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | ESE 8 | — | ESE 8 | — | ESE 8 | S 18 | — | ESE 8 | ESE 8 | ESE 9 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | 26 | — | 20 | — | 22 | 171 | — | 14 | 12 | 26 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 18 | 14 | 38 | 14 | 14 | 12 | 18 | 18 | 64 | 76 | 76 | 14 | 14 | 14 | 18 | 77 | 77 | 77 | 76 | 14 | 14 | 14 | 136 |
Best forecast wave conditions in Kanagawa | ||||||||||||||||||||||||
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)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Rock Island surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest